Electrical engineering

Understand electrical engineering, a field of engineering that deals with the study and application of electricity, electronics, and electromagnetism.

fundamentals of electrical engineering
application of electricity
field of electrical engineering
application of electronics
scope of electrical engineering
application of electromagnetism
principles of electrical engineering

knowledge

cross-sector

Electrical engineering is an essential knowledge of the following occupations:

Aircraft engine specialist: Aircraft engine specialists advise on maintaining procedures to engines of aircrafts and helicopters. They perform operability tests to components and parts of aircrafts to diagnose suitability for usage and possible operations to improve performance. They interpret and provide support to understand the technical specifications given by manufacturers for application at the airport’s premises.
Renewable energy engineer: Renewable energy engineers research alternative sources of energy in order to design systems for renewable energy production. They strive to optimise energy production from renewable sources, and reduce production expenses and environmental strain. They design systems which focus on energy sustainability and efficiency.
Refurbishing technician: Refurbishing technicians overhaul and refurbish inner parts of vehicles, such as engine parts and diesel pumps.
Electrical equipment inspector: Electrical equipment inspectors check finished electrical products for physical defects and faulty electrical connections. They record inspection results and send faulty assemblies back to production.
Electromechanical drafter: Electromechanical drafters draw and create blueprints together with electromechanical engineers. They interpret the specifications and requirements made by the engineer and design electromechanical equipment and components.
Electromagnetic engineer: Electromagnetic engineers design and develop electromagnetic systems, devices, and components, such as electromagnets in loudspeakers, electromagnetic locks, conducting magnets in MRI’s, and magnets in electric motors.
Electrical drafter: Electrical drafters support engineers in the design and conceptualisation of electrical equipment. They draft, with the support of specialised software, the specifications of a varied number of electrical systems such as voltage transformers, power plants, or energy supply in buildings.
Food production engineer: Food production engineers oversee the electrical and mechanical needs of the equipment and machinery required in the process of manufacturing food or beverages. They strive to maximise plant productivity by engaging in preventive actions in reference to health and safety, good manufacturing practices (GMP), hygiene compliance, and performance of routine maintenance of machines and equipment.
Solar energy engineer: Solar energy engineers design systems which generate electrical energy from sunlight, such as photovoltaic systems. They design and construct systems which optimise the energy output from solar power, and the sustainability of the production process of solar systems.
Rolling stock inspector: Rolling stock inspectors inspect wagons and carriages to asses their technical condition while grouped together and before they are used for transportation activities. They check technical devices, ensure complete and correct operation of the rolling stock, and prepare required technical documents and/or checklists. Depending on work organisation they are also responsible for limited ad-hoc maintenance or exchange work and the performance of brake tests.
Automation engineering technician: Automation engineering technicians collaborate with automation engineers in the development of applications and systems for the automation of the production process. Automation engineering technicians build, test, monitor, and maintain the computer-controlled systems used in automated production systems.
Electric power generation engineer: Electric power generation engineers design and develop systems which generate electrical power, and develop strategies for the improvement of existing electricity generation systems. They strive to conciliate sustainable solutions with efficient and affordable solutions. They engage in projects where supply of electrical energy is required.
Electromechanical engineer: Electromechanical engineers design and develop equipment and machinery that use both electrical and mechanical technology. They make draughts and prepare documents detailing the material requisitions, the assembly process and other technical specifications. Electromechanical engineers also test and evaluate the prototypes. They oversee the manufacturing process.
Robotics engineering technician: Robotics engineering technicians collaborate with engineers in the development of robotic devices and applications through a combination of mechanical engineering, electronic engineering, and computer engineering. Robotics engineering technicians build, test, install and calibrate robotic equipment.
Microsystem engineer: Microsystem engineers research, design, develop, and supervise the production of microelectromechanical systems (MEMS), which can be integrated in mechanical, optical, acoustic, and electronic products.
Aircraft maintenance engineer: Aircraft maintenance engineers make preflight and postflight inspections, adjustments, and minor repairs to ensure safe and sound performance of aircrafts. They inspect aircraft prior to takeoff to detect malfunctions such as oil leaks, electrical or hydraulic problems. They verify passenger and cargo distribution and amount of fuel to ensure that weight and balance specifications are met.
Ground lighting officer: Ground lighting officers carry out the inspection and maintenance of airports’ lighting systems. They record their findings and formulate the actions to be followed.
Aircraft maintenance technician: Aircraft maintenance technicians perform preventive maintenance to aircrafts, aircrafts components, engines and assemblies, such as airframes and hydraulic and pneumatic systems. They perform inspections following strict protocols and aviation laws.
Electrical engineering technician: Electrical engineering technicians work together with electrical engineers in electrical engineering research. They perform technical tasks and aid in the designing, testing, manufacturing and operation of electrical devices and facilities.

Audio and video equipment specialised seller: Audio and video equipment specialised sellers sell audio and video equipment such as radio and television, CD, DVD etc. players and recorders in specialised shops.
Mechatronics engineer: Mechatronics engineers design and develop intelligent systems, such as robotic devices, smart home appliances, and aeroplanes, through combining technologies from mechanical, electronic, computer, and control engineering. They create blueprints or design documents for parts, assemblies or finished products using software programs, and also oversee and manage projects.
Power distribution engineer: Power distribution engineers design and operate facilities which distribute power from the distribution facility to the consumers. They research methods for the optimisation of power distribution, and ensure the consumers’ needs are met. They also ensure compliance to safety regulations by monitoring the automated processes in plants and directing workflow.
Electrical equipment production supervisor: Electrical equipment production supervisors coordinate, plan and direct the production process of electrical equipment. They manage labourers working on the production line, oversee the quality of the assembled goods, and perform cost and resource management.
Avionics inspector: Avionics inspectors inspect instruments, electrical, mechanical and electronic systems of aircrafts to ensure their compliance with the performance and safety standards. They also examine maintenance, repair and overhaul work and review any modification to check its conformity to standards and procedures. They provide detailed inspection, certification and repair records.
Automation engineer: Automation engineers research, design, and develop applications and systems for the automation of the production process. They implement technology and reduce, whenever applicable, human input to reach the full potential of industrial robotics. Automation engineers oversee the process and ensure all systems run safely and smoothly.
Avionics technician: Avionics technicians install, test, inspect and adjust electrical and electronic equipment such as navigation, communication and flight control systems in aircraft and spacecraft. They carry out maintenance and repair work. They perform functional tests, diagnose problems and take corrective action.
Mine electrical engineer: Mine electrical engineers supervise the procurement, installation and maintenance of mining electrical equipment, using their knowledge of electrical and electronic principles. They organise the replacement and repair of electrical equipment and components.
Engineering lecturer: Engineering lecturers are subject professors, teachers, or lecturers who instruct students who have obtained an upper secondary education diploma in their own specialised field of study, engineering, which is predominantly academic in nature. They work with their university research assistants and university teaching assistants for the preparation of lectures and of exams, for leading laboratory practices, grading papers and exams and for leading review and feedback sessions for the students. They also conduct academic research in their field of engineering, publish their findings and liaise with other university colleagues.
Mechatronics engineering technician: Mechatronics engineering technicians collaborate with engineers in the development of mechatronic devices and applications through a combination of mechanical engineering, electronic engineering, and computer engineering. They build, test, install, and calibrate mechatronics and solve technical problems.
Substation engineer: Substation engineers design medium and high voltage substations used for the transmission, distribution, and generation of electrical energy. They develop methods for the efficient operation of the energy process, and ensure compliance to safety and environmental standards.

Electrical engineering is optional for these occupations. This means knowing this knowledge may be an asset for career advancement if you are in one of these occupations.

Precision device inspector: Precision device inspectors make sure precision devices, such as micrometers and gauges, operate according to design specifications. They may adjust the precision devices and their components in case of any faults.
Air traffic safety technician: Air traffic safety technicians provide technical support regarding the safety of air traffic control and navigation systems. They design, maintain, install and operate these systems both in the airport and on board the aeroplane according to regulations.
Oil and gas production manager: Oil and gas production managers coordinate and implement short and medium term oil and gas production schedules and plans, such as drilling, extraction operations and waste management. They steer one or more units and oversee the implementation of technical and human means, within the framework of objectives of volume, quality and planning. Oil and gas production managers design and ensure that the production plans and schedules are met.
Medical device engineer: Medical device engineers design and develop medical-technical systems, installations, and equipment such as pacemakers, MRI scanners, and X-ray machines. They monitor the whole manufacturing process from concept design to product implementation. activities undertaken include, among others, designing product improvements, developing methods and techniques to evaluate design suitability, coordinating initial production, developing test procedures, and designing manufacturing diagrams.
Microelectronics engineering technician: Microelectronics engineering technicians collaborate with microelectronics engineers in the development of small electronic devices and components such as micro-processors, memory chips, and integrated circuits for machine and motor controls. Microelectronics engineering technicians are responsible for building, testing, and maintaining the microelectronic systems and devices.
Civil engineering technician: Civil engineering technicians help design and execute construction plans and take on organisational tasks, for example in the planning and monitoring, and in bidding and invoicing of construction work. They also calculate material requirements, and help with the purchasing and organising, and ensure the quality of the construction materials. Civil engineering technicians may perform technical tasks in civil engineering and develop and advise on policy implementing strategies for road works, traffic lights, sewerage and water management systems.
Mine manager: Mine managers control, direct, plan and coordinate mining production activities. They have statutory responsibility for safety and are also responsible for environmental impact. They oversee the acquisition, installation, maintenance and storage of mining plant and equipment. They lead and manage according to the organisation’s code of conduct.
Plasma cutting machine operator: Plasma cutting machine operators set up and operate plasma cutting machines designed to cut and shape excess material from a metal workpiece using a plasma torch at a temperature hot enough to melt and cut the metal by burning it and works at a speed that blows away the molten metal from the clear cut.
Dental instrument assembler: Dental instrument assemblers assemble various dental instruments, such as drills, lasers, probes, mirrors, and dental imaging devices. They use various machinery, hand tools, chemicals, adhesives and epoxies to assemble the dental instruments. They use precision tools and work in cleanroom environments.
Engraving machine operator: Engraving machine operators set up, programme, and tend engraving machines designed to precisely carve a design in the surface of a metal workpiece by a diamond stylus on the mechanical cutting machine that creates small, separate printing dots existing from cut cells. They read engraving machine blueprints and tooling instructions, perform regular machine maintenance, and make adjustments to the precise engraving controls, such as the depth of the incisions and the engraving speed.
Spark erosion machine operator: Spark erosion machine operators set up and tend spark erosion machines designed to cut excess material from a metal workpiece by the use of electrical discharges, or sparks, caused by electric voltage and separated by a dielectric liquid, which removes pieces of metal from the electrodes These applications can involve transmission and optical microscopy.
Equipment engineer: Equipment engineers design and maintain the machinery and equipment in manufacturing facilities. They design machinery that adjusts to the manufacturing requirements and processes. Moreover, they envision the maintenance of the machines and equipment for uninterrupted functioning.

Grinding machine operator: Grinding machine operators set up, program and control grinding machines, designed to apply abrasive processes in order to remove small amounts of excess material and smoothen metal workpieces by using an abrasive wheel with diamond teeth as a cutting device for very precise and light cuts. They read grinding machine blueprints and tooling instructions, perform regular machine maintenance, and make adjustments to the grinding controls, such as the depth of cuts and the rotation speed.
Water jet cutter operator: Water jet cutter operators set up and operate a water jet cutter, designed to cut excess material from a metal workpiece by using a high-pressure jet of water, or an abrasive substance mixed with water.
Component engineer: Component engineers design and envision the engineering development of different small parts composing a bigger project, machine, or process. They ensure that parts are not conflicting from an engineering perspective.
Heating, ventilation, air conditioning engineer: Heating, ventilation, air conditioning engineers design and develop heating, ventilation, air conditioning and possibly refrigeration systems for usage in residences, manufacturing sites, offices, commercial buildings, etc. They strive for solutions that serve the needs of clients and respond to architectural restrictions of sites.
Medical device assembler: Medical device assemblers manufacture instruments, machines and appliances that can be used to prevent, diagnose or treat medical conditions. Medical devices can be non-electrical, such as tubes, needles, drainage sets and sterile pipettes, as well as electrical, such as pacemakers, MRI machines, and X-ray devices. Some may also work in the production of medical furniture such as hospital beds and operation tables.
Electronics engineering technician: Electronics engineering technicians work closely with electronics engineers in the development of electronic equipment and devices. Electronics engineering technicians are responsible for building, testing, and maintaining electronic devices.
Instrumentation engineering technician: Instrumentation engineering technicians assist instrumentation engineers in the development of control equipment, such as valves, relays, and regulators, which can be used to monitor and control processes. Instrumentation engineering technicians are responsible for building, testing, monitoring, and maintaining of equipment. They use wrenches, beam cutters, grind saws, and overhead cranes to build and repair equipment.
Medical device engineering technician: Medical device engineering technicians collaborate with medical device engineers in the design, development and production of medical-technical systems, installations, and equipment such as pacemakers, MRI machines, and X-ray devices. They build, install, inspect, modify, repair, calibrate, and maintain medical-technical equipment and support systems. Medical device engineering technicians  are responsible for the operational readiness, safe use, economic operation and the appropriate procurement of medical equipment and facilities in hospitals.
Computer hardware engineering technician: Computer hardware engineering technicians collaborate with computer hardware engineers in the development of computer hardware, such as motherboards, routers, and microprocessors. Computer hardware engineering technicians are responsible for building, testing, monitoring, and maintaining the developed computer technology.
Metal sawing machine operator: Metal sawing machine operators set up and operate metal sawing machines designed to cut excess metal from a metal workpiece by the use of a (or several) large toothed-edges blade(s). They also trim clean finished shapes out of metal using tin snips, metal shears or wire cutters.  They also smoothen and trim sharp or rough edges using various tools.
Electrical equipment assembler: Electrical equipment assemblers are responsible for the assembly of electrical equipment. They assemble product components and wiring according to the blueprints.
Optical instrument production supervisor: Optical instrument production supervisors coordinate, plan and direct the optical instrument production process. They make sure the optical glass is processed properly and optical equipment is assembled according to specifications. They manage labourers working on the production line, oversee the quality of the assembled goods, and perform cost and resource management.
Battery test technician: Battery test technicians use positive and negative wired plugs to test battery’s resistance capacity. They also test rejected batteries to determine their flaws.
Automotive engineering technician: Automotive engineering technicians work with automotive engineers to operate, repair, maintain and test equipment used in motor vehicles. In some environments, such as an airport they are responsible for keeping equipment and vehicles serviceable. They review blueprints and designs to determine test specifications and procedures. Automotive engineering technicians use software to make sure that parts of a motor vehicle are functioning properly. They record test procedures and results, and make recommendations for changes.
Sensor engineer: Sensor engineers design and develop sensors, sensor systems and products that are equipped with sensors. They plan and monitor the manufacture of these products.
Electromechanical engineering technician: Electromechanical engineering technicians collaborate with electromechanical engineers in the development of electromechanical equipment. Electromechanical engineering technicians are responsible for building, installing, testing, monitoring, and maintaining the electromechanical equipment, circuits and systems. They test this by the use of test instruments such as oscilloscopes and voltmeters. Electromechanical engineering technicians also use soldering equipment and hand tools to repair electromechanical equipment.
Industrial engineer: Industrial engineers design a vast array of production systems aiming to present efficient and effective solutions. They integrate a varied number of variables such as workers, technology, ergonomics, production flows, and product specifications for the design and implementation of production systems. They can specify and design for microsystems as well.
Specialised seller: Specialised sellers sell goods in specialised shops.
Robotics engineer: Robotics engineers design and develop robotic devices and applications in combination with mechanical engineering principles. They use pre-established designs and current developments for improving or inventing systems, machinery and equipment. They combine several knowledge fields such as computing, engineering, and electronics in the development of new engineering applications.
Military engineer: Military engineers perform technical and scientific functions in the military, such as the development of concepts for military technical equipment, support of the manufacturing of military equipment, and technical research, maintenance, and quality assurance.
Mechanical engineer: Mechanical engineers research, plan and design mechanical products and systems and supervise the fabrication, operation, application, installation and repair of systems and products. They research and analyse data.
Shunter: Shunters move shunting units with or without wagons or groups of wagons in order to build trains. They manage the driving of locomotives and are involved in switching wagons, making or splitting up trains in shunting yards or sidings. They operate according to the technical features, such as controlling movement via a remote control device.
Computer numerical control machine operator: Computer numerical control machine operators set-up, maintain and control a computer numerical control machine in order to execute the product orders. They are responsible for programming the machines, ensuring the required parameters and measurements are met while maintaining the quality and safety standards.
Oxy fuel burning machine operator: Oxy fuel burning machine operators set up and tend machines designed to cut, or rather burn off, excess material from the metal workpiece using a torch that heats the metal workpiece to its kindling temperature and subsequently burns it into a metal oxide upon its reaction with an emitted stream of oxygen, flowing out of the workpiece’s created kerf as slag.
Flight test engineer: Flight test engineers work with other systems engineers to plan the tests in detail and to make sure that the recording systems are installed for the required data parameters. They analyse the data collected during test flights and produce reports for individual test phases and for the final flight test. They are also responsible for the safety of the test operations.
Lathe and turning machine operator: Lathe and turning machine operators set up, program and tend lathe and turning machines designed to cut excess metal from a metal workpiece using a hardened cutting tool moved by computer-controlled motors. They read lathe and turning machine blueprints and tooling instructions, perform regular machine maintenance, and make adjustments to the lathe controls, such as the depth of cuts and the rotation speed.
Sensor engineering technician: Sensor engineering technicians collaborate with sensor engineers in the development of sensors, sensor systems, and products that are equipped with sensors. Their role is to build, test, maintain, and repair the sensor equipment.
Numerical tool and process control programmer: Numerical tool and process control programmers develop computer programs to control automatic machines and equipment involved in manufacturing processes. They analyse blueprints and job orders, conduct computer simulations and trial runs.
Battery assembler: Battery assemblers are welding and assembling the battery components such as electronics parts, wiring, and casing around the cells.
Rolling stock engineer: Rolling stock engineers design and oversee the manufacturing process and installation of rail vehicles, including locomotives, carriages, wagons and multiple units. They design new trains and electrical or mechanical parts, supervise modifications and resolve technical problems. They also perform routine maintenance duties to ensure that trains are in good condition and meet quality and safety standards.
Electronics production supervisor: Electronics production supervisors coordinate, plan and direct the electronics production process. They manage labourers working on the production line, oversee the quality of the assembled goods, and perform cost and resource management.
Electrical engineer: Electrical engineers design and develop electrical systems, electrical equipment, components, motors, and equipment with the feature of energy transmission. They engage in large scale projects such as the design and maintenance of power stations, and the distribution of power to smaller applications such as household appliances.
Printed circuit board designer: Printed circuit board designers diagram and design the construction of circuit boards. They envision the logical placing of conductive tracks, coppers, and pin pads in the board. They use computer programmes and specialised software for the designs.
Computer hardware engineer: Computer hardware engineers design and develop computer hardware systems and components, such as circuit boards, modems, and printers. They draught blueprints and assembly drawings, develop and test the prototypes, and supervise the production process.
Nanoengineer: Nanoengineers combine the scientific knowledge of atomic and molecular particles with engineering principles for applications in a varied array of fields. They apply findings in chemistry, biology, and materials engineering, etc. They use technological knowledge for the improvement of existing applications or the creation of micro objects.
Precision engineer: Precision engineers design processes, machines, fixtures and other equipment that have exceptionally low engineering tolerances, are repeatable and stable over time. They ensure prototypes are built and tested and make sure the designs meet system specifications and operational requirements.
Milling machine operator: Milling machine operators set up, program and control milling machines, designed to cut excess material from metal workpieces using a computer-controlled rotary-cutting, milling cutter. They read milling machine blueprints and tooling instructions, perform regular machine maintenance, and make adjustments to the milling controls, such as the depth of cuts or the rotation speed.
Drafter: Drafters prepare and create technical drawings using a special software or manual techniques, to show how something is built or works.
Photographic equipment assembler: Photographic equipment assemblers build photographic products such as cameras, film cameras, and projectors. They collect the different optical, electronic, and mechanical camera components, such as the battery, mirrors, image processor, and lenses, and piece together cameras according to specifications using hand tools or machinery.
Geophysicist: Geophysicists study the physical characteristics of the earth and apply physical measurements to geological situations. Geophysicists use the principles of gravity, seismicity and electromagnetics to identify the structure and composition of the earth.
Compliance engineer: Compliance engineers strive to keep the highest compliance of systems with engineering specifications. They can exert compliance in a varied array of engineering fields including mechanical, electrical, electronical systems. They ensure the engineering complies with regulations, safety measures, and internal directives.
Acoustical engineer: Acoustical engineers study and apply the science of sound to various applications. They work in a wide range of areas including the consultation of the acoustics and elements affecting the transmission of sound in spaces for performances or recording activities. They can also consult on the levels of noise contamination for those activities that require compliance with standards on that matter.
Energy engineer: Energy engineers design new, efficient and clean ways to produce, transform, and distribute energy to improve environmental sustainability and energy efficiency. They extract energy through natural resources, such as oil or gas, or renewable and sustainable sources, such as wind or solar power. 
Material stress analyst: Material stress analysts plan and use software to perform structural analyses including static, stability and fatigue analyses on a variety of machines. They develop analysis of primary and secondary structures. They prepare technical reports to document their analysis results, participate in design reviews and recommend process improvements. They also assist in the development of structural test plans.
Laser cutting machine operator: Laser cutting machine operators set up, program and tend laser cutting machines, designed to cut, or rather burn off and melt, excess material from a metal workpiece by directing a computer-motion-controlled powerful laser beam through laser optics. They read laser cutting machine blueprints and tooling instructions, perform regular machine maintenance, and make adjustments to the milling controls, such as the intensity of the laser beam and its positioning.
Mining electrician: Mining electricians install, maintain and repair specialised electrical mining equipment using their knowledge of electrical principles.  They also monitor mine electricity supply.
Marine engineer: Marine engineers design, build, maintain and repair the hull, mechanical, electronic equipment and auxiliary systems such as engines, pumps, heating, ventilation, generator sets. They work on all types of boats from pleasure crafts to naval vessels, including submarines.
Control panel assembler: Control panel assemblers read schematic drawings to assemble control panel units for electrical equipment. They put together wiring, switches, control and measuring apparatus and cables with hand operated tools.
Product development engineering drafter: Product development engineering drafters design and draw blueprints to bring new concepts and products to life. They draft and draw detailed plans on how to manufacture a product.
Test engineer: Test engineers plan and perform detailed quality tests during various phases of the design process to make sure that the systems are properly installed and function correctly. They analyse the data collected during tests and produce reports. They are also responsible for the safety of the test operations.
Wire harness assembler: Wire harness assemblers bind wires or cables to form wire harnesses used in electronic and electrical systems and equipment. They read electrical wiring plans and tie the wire together according to specifications, using cable ties, cable lacing, electrical conduit, and sleeves.
Mine health and safety engineer: Mine health and safety engineers develop and implement systems and procedures to prevent employee injury and sickness, improve mine working conditions, reduce health and safety risks and prevent damage to equipment and property.
Civil engineer: Civil engineers design, plan, and develop technical and engineering specifications for infrastructure and construction projects. They apply engineering knowledge in a vast array of projects, from the construction of infrastructure for transportation, housing projects, and luxury buildings, to the construction of natural sites. They design plans that seek to optimise materials and integrate specifications and resource allocation within the time constraints.
Electronics drafter: Electronics drafters support electronic engineers in the design and conceptualisation of electronic equipment. They draft blueprints and assembly diagrams of electronic systems and components using technical drawing software.
Surface engineer: Surface engineers research and develop technologies for manufacturing processes that assist in altering the properties of the surface of bulk material, such as metal, in order to reduce degradation by corrosion or wear. They explore and design how to protect surfaces of (metal) workpieces and products utilising sustainable materials and testing with a minimum of waste.
Mine production manager: Mine production managers coordinate and implement short and medium term mine production schedules and plans, such as drilling, blasting, ore and mineral extraction, and waste management.
Drilling machine operator: Drilling machine operators set up, program and control drilling machines, designed to drill holes in workpieces using a computer-controlled, rotary-cutting, multipointed cutting tool, inserted into the workpiece axially. They read drilling machine blueprints and tooling instructions, perform regular machine maintenance, and make adjustments to the drilling controls, such as the depth of drills or the rotation speed.
Chemical engineer: Chemical engineers design and develop large-scale chemical and physical production processes and are involved in the entire industrial process required for transforming raw materials into products.
Electrical cable assembler: Electrical cable assembler manipulate cables and wires made of steel, copper, or aluminium so they can be used to conduct electricity in a variety of appliances.
Integrated circuit design engineer: Integrated circuit design engineers design the layout for integrated circuits according to electronics engineering principles. They use software to create design schematics and diagrams.
Punch press operator: Punch press operators set up and tend punch presses designed to cut workpieces into their desired shape by propelling a hydraulic ram to punch holes into them with a single die set that pushes through the top dead centre, through the surface, and to the bottom dead centre of the workpiece.
Application engineer: Application engineers deal with the technical requirements, management, and design for the development of various engineering applications, such as systems, new product designs, or the improvements of processes. They are responsible for the implementation of a design or process improvement, they offer technical support for products, answer questions about the technical functionality and assist the sales team.

References

1. Electrical engineering – ESCO