Accident Analysis Group

Civil engineering technicians help civil engineers plan and design the construction of highways, bridges, utilities, and other major infrastructure projects. They also help with commercial, residential, and land development.

Civil engineering technicians typically do the following:

• Read and review project blueprints to determine dimensions of structures
• Confer with their supervisors about preparing plans and evaluating field conditions
• Inspect project sites and evaluate contractors' work to detect problems with a design
• Help to ensure that projects conform to design specifications and applicable codes
• Develop plans and estimate costs for installing systems and operating facilities
• Prepare reports and document project activities and data

Civil engineering technicians must work under the direction of a licensed civil engineer. For more information, see the profile on civil engineers.

Civil engineering technicians generally help civil engineers, often doing many of the same tasks as the engineers. However, because they are not licensed, civil engineering technicians cannot approve designs or supervise the overall project.

These technicians sometimes estimate construction costs and specify the materials to be used. Other times, they prepare drawings or survey land. Civil engineering technicians may also set up and monitor various instruments for studies of traffic conditions.

Mechanical engineering is one of the broadest engineering disciplines. Mechanical engineers research, design, develop, build, and test mechanical devices, including tools, engines, and machines.

Mechanical engineers typically do the following:

• Analyze problems to see how a mechanical device might help solve the problem
• Design or redesign mechanical devices, creating blueprints so the device can be built
• Develop a prototype of the device and test the prototype
• Analyze the test results and change the design as needed
• Oversee the manufacturing process for the device

Mechanical engineers use many types of tools, engines, and machines. Examples include the following:

• Power-producing machines such as electric generators, internal combustion engines, and steam and gas turbines
• Power-using machines, such as refrigeration and air-conditioning
• Industrial production equipment, including robots used in manufacturing
• Other machines inside buildings, such as elevators and escalators
• Machine tools and tools for other engineers
• Material-handling systems, such as conveyor systems and automated transfer stations

Like other engineers, mechanical engineers use computers extensively. Computers help mechanical engineers to do the following:

• Produce and analyze designs
• Simulate and test how a machine is likely to work
• Generate specifications for parts
• Monitor the quality of products
• Control manufacturing and production

Industrial engineers find ways to eliminate wastefulness in production processes. They devise efficient ways to use workers, machines, materials, information, and energy to make a product or provide a service.

Industrial engineers typically do the following:

• Review production schedules, engineering specifications, process flows, and other information to understand manufacturing and service methods and activities
• Figure out how to manufacture parts or products or deliver services with maximum efficiency
• Develop management control systems to make financial planning and cost analysis more efficient
• Enact quality control procedures to resolve production problems or minimize costs
• Work with customers and management to develop standards for design and production
• Design control systems to coordinate activities and production planning to ensure that products meet quality standards
• Confer with clients about product specifications, vendors about purchases, management personnel about manufacturing capabilities, and staff about the status of projects

Industrial engineers apply their skills to many different situations from manufacturing to business administration. For example, they design systems for

• moving heavy parts within manufacturing plants
• getting goods from a company to customers, including finding the most profitable places to locate manufacturing or processing plants
• evaluating how well people do their jobs
• paying workers

In all these different projects, industrial engineers focus on how get the work done most efficiently, balancing many factors--such as time, number of workers needed, actions workers need to take, achieving the end with no errors, technology that is available, workers' safety, environmental concerns, and cost.

To find ways to reduce waste and improve performance, industrial engineers first study product requirements carefully. Then they use mathematical methods and models to design manufacturing and information systems to meet those requirements most efficiently.

Electrical engineers design, develop, test, and supervise the manufacturing of electrical equipment such as electric motors, radar and navigation systems, communications systems, or power generation equipment. Electrical engineers also design the electrical systems of automobiles and aircraft.

Electronics engineers design and develop electronic equipment such as broadcast and communications systems, from portable music players to global positioning systems (GPS). Many also work in areas closely related to computer hardware.

Electrical engineers typically do the following:

• Design new ways to use electrical power to develop or improve products
• Do detailed calculations to compute manufacturing, construction, and installation standards and specifications
• Direct manufacturing, installing, and testing to ensure that the product as built meets specifications and codes
• Investigate complaints from customers or the public, evaluate problems, and recommend solutions
• Work with project managers on production efforts to ensure projects are completed satisfactorily, on time, and within budget

Electronics engineers typically do the following:

• Design electronic components, software, products, or systems for commercial, industrial, medical, military, or scientific applications
• Analyze electrical system requirements, capacity, cost, and customer needs and then develop a system plan
• Develop maintenance and testing procedures for electronic components and equipment
• Evaluate systems and recommend repair or design modifications
• Inspect electronic equipment, instruments, and systems to make sure they meet safety standards and applicable regulations
• Plan and develop applications and modifications for electronic properties used in parts and systems to improve technical performance

Electronics engineers who work for the federal government research, develop, and evaluate electronic devices used in diverse technologies, such as aviation, computing, transportation, and manufacturing. They work on federal electronic devices and systems, including satellites, flight systems, radar and sonar systems, and communications systems.

The work of electrical engineers and electronics engineers is often similar. Both use engineering and design software and equipment to do engineering tasks. Both types of engineers must also work with other engineers to discuss existing products and possibilities for engineering projects.

Engineers whose work is related exclusively to computer hardware are considered computer hardware engineers. For more information about this occupation, see the profile on computer hardware engineers.

Materials engineers develop, process, and test materials used to create a range of products, from computer chips and aircraft wings to golf clubs and snow skis. They work with metals, ceramics, semiconductors, plastics, composites, and other substances to create new materials that meet certain mechanical, electrical, and chemical requirements. They also develop new ways to use materials.

Materials engineers typically do the following:

• Monitor how materials perform and evaluate how they deteriorate
• Determine causes of product failure and develop solutions
• Supervise the work of technologists, technicians, and other engineers and scientists
• Design and direct the testing of processing procedures
• Evaluate technical specifications and economic factors relating to the design objectives of processes or products
• Prepare proposals and budgets, analyze labor costs, write reports, and do other managerial tasks
• Plan and evaluate new projects, consulting with others as necessary

Materials engineers create and study materials at an atomic level. They use computers to replicate the characteristics of materials and their components. They solve problems in a number of engineering fields, such as mechanical, chemical, electrical, civil, nuclear, and aerospace engineering.

Materials engineers may specialize in understanding specific types of materials. The following are types of materials engineers:

Ceramic engineers develop ceramic materials and the processes for making them into useful products, from high-temperature rocket nozzles to glass for LCD flat-panel displays.

Composites engineers work in developing materials with special, engineered properties for applications in aircraft, automobiles, and related products.

Metallurgical engineers specialize in metals, such as steel and aluminum, usually in alloyed form with additions of other elements to provide specific properties.

Plastics engineers work in developing and testing new plastics, known as polymers, for new applications.

Semiconductor processing engineers apply materials science and engineering principles to develop new microelectronic materials for computing and related applications.