Traction Power Systems Engineer III

HNTB Job Title
Engineer III
Position Type
Regular Full-Time

Why Choose HNTB?

For more than a century, HNTB has helped deliver infrastructure solutions that best meet the unique needs of our clients. With client relationships spanning decades, we understand infrastructure life cycles and have the perspective to solve technical challenges with clarity and imagination. We are far more than a design firm. We see and help address far-reaching issues of financing, legislation, design, construction, community outreach and ongoing operations. As employee-owners committed to the highest levels of performance, we enable clients to achieve their goals and inspiring visions.

At HNTB, we’re encouraged to go beyond discovering mere solutions that will impact our very landscape. We are encouraged to ask, “What if?” Our HNTB family fosters an inventive and resourceful commitment to finding unique answers to complex problems. We believe that the act of wondering sparks creativity. We will work to foster your creativity, career and personal growth. Come join HNTB and unleash your spark of imagination.

For you, “together” can mean the chance to put together an exciting career. At HNTB “together” also means collaborating across geographies and disciplines within the firm. And “together” means that we are partners with our clients. Our goals are linked, and their success is our success. “Together” means that we are engaged in the communities we serve — we live there — and are committed to their growth and development.


The time is right to join HNTB!  We are seeking candidates for the position of Traction Power Engineer III in our Atlanta, Georgia office.

Job Summary

Within a given discipline, is fully competent to complete engineering-related tasks including research, development, calculations, design and delivery with minimal direction. On tasks basis, is responsible for preparation and completion of discipline engineering efforts that are responsive to project needs.  Coordinates preparation of design details, plans, and drawings within assigned task areas.

Essential Responsibility

  • Responsible for completion of discipline engineering project elements such as reports, designs, specifications and plans.
  • Responsible for coordination and productivity of subordinates. Provides technical guidance to less experienced engineers.
  • Works closely with other disciplines and multi-discipline projects.
  • Performs other duties as assigned.

Additional Responsibilities

- AC and DC power distribution systems and AC and DC traction power substation, including 600/750 volt DC rail transit traction power substations and 25KV rail transit traction power substations.
- Design auxiliary power and switchgear systems in a transit environment.
- Perform traction power system analysis and simulations.
- Generate traction power specifications and design drawings.
- Perform design services during construction for traction power projects.
- Be lead technical resource for transit traction power projects.
- Assistance with power system studies DC electrified railway systems.
- Assists in the preparation of computer simulations and studies including DC load flow, short-circuit availability, motor-starting, and protective relay coordination studies.
- Performs site investigations in substations and along railroad tracks.
- Work closely with other disciplines on multi-discipline projects.

Basic Qualification

Bachelor's degree in Engineering
5 years relevant experience

Preferred Qualification/Skills

- Third rail characteristics and railway operations understanding.
- Circuit Breakers, Switchgear, Transformers, Rectifiers, including SCADA and PLC Protection Systems.
- Experience working on electrical projects (Power Distribution, Medium voltage, Emergency Generators etc.), Knowledge and understanding of the following: load requirements, electrical gear physical layout and electrical clearances; control schematics and wiring diagrams.
- Knowledge of relevant codes and including ANSI, IEE, NEC, NEMA, and NESC.
- Heavy rail transit AC and DC Traction Power systems.
- Transit Auxiliary Power and Switchgear Operation.
- Industry standards knowledge associated with transit design and operation.
- Insulation coordination, grounding, and ampacity studies.
- Traction Power SCADA System operation.
- Utility system operation and design.
- Heavy rail transit vehicles operating characteristics and design.
- Energy storage and regenerative braking technology.
- Professional Engineer licensed in GA.

General Work Conditions

Combination Office and Field Environment: Most work is performed in an office environment in which there is only minimal exposure to potentially unpleasant working conditions. Incumbent must have the ability to stand and sit frequently and reach horizontally as well as vertically for overhead use. Work may infrequently be performed at client’s job site, construction trailer, and in the field. Work may sometimes require working in inclement weather, working in a construction site, being exposed to heavy construction equipment and doing extensive walking. Adherence to applicable safety protocol is required.

HNTB Corporation is an Affirmative Action and Equal Opportunity Employer, Minority/Female/Disabled/Veteran. 

The HNTB Companies are an equal opportunity employer and does not discriminate on the basis of race, color, religion, creed, sex, national origin, age, disability, pregnancy status, sexual orientation, gender identity, veteran status, marital status, genetic information, citizenship status, or other status protected by law.  In compliance with the Immigration Reform and Control Act of 1986, we will hire only U.S. citizens and aliens lawfully authorized to work in the United States (if the position is or will be one which is subject to U.S. law). We will provide reasonable accommodation for qualified individual with a disability where appropriate.


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