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Senior Traffic Engineer

ISG — Architecture and engineering firm

Sioux Falls, South Dakota Senior+ $70,000 - $135,000 / year Posted Aug 2, 2026
Go

About the role

Founded in 1973, ISG is a nationally recognized, multi-disciplinary firm delivering full-service architecture, engineering, environmental, and planning solutions. We’re excited to grow our Transportation team with the addition of a Senior Traffic Engineer . This position can be based in any ISG office location. We believe we are better together, and this role is designed as an in-office position to support collaboration, mentorship, and team connection across our offices.
In this role, you will work closely with Will Kratt , PE, PTOE, Transportation Business Unit Leader, and Barrett Hubbard , PE, PTOE, Transportation Engineer to lead traffic engineering projects to serve state departments of transportation, city, and private sector clients. This includes evaluating travel demand management and how traffic challenges may be manageable through actions such as thoughtfully planned land use strategies.
We’re proud to support clients across the country with creative, forward-thinking solutions. ISG employee owners are motivated by a shared goal to stretch the limits of great design and go above and beyond to positively influence each other, our clients, and the communities we serve. If this sounds like a mission and culture you want to invest in, explore your career potential within our Transportation team.

Collect traffic data, perform intersection evaluations, complete traffic and corridor studies, and conduct analyses using simulation and modeling software
Lead projects in traffic related design including traffic signal and roundabout plans, roadway lighting plans, signing and striping plans, construction staging and traffic control plans
Prepare preliminary and final designs and develop construction plans, specifications, and cost estimates
Build and strengthen client relationships by actively listening and understanding their goals, priorities, and expectations
Act as a technical resource within the organization, providing expertise and guidance on transportation projects
Serve as a mentor and leader for local internal ISGers that demonstrates a high degree of professionalism
Support additional initiatives and responsibilities as assigned to contribute to team and organizational success

We’ve listed a compensation range that reflects our expectations for this role, including both direct and indirect components. We understand that your experience and value may fall outside of this range. If you feel you're a strong fit but your compensation needs differ, we’re open to a conversation—let’s talk.

Minimum of 5 years of relevant professional experience in civil engineering or related fields
Bachelor’s degree in Civil Engineering or a closely related discipline
PE licensed, required
PTOE certification, preferred

What the index says about this role

  • First seen by JobLarper — Aug 2, 2026, 6 days ago. Older postings collect hundreds of applicants — a tailored résumé matters more the longer a role has been live.
  • What Software Engineer roles ask for — across 10,230 indexed openings: REST/APIs (46%), Backend (42%), Cloud (38%), Python (38%), Go (25%). This posting names Go.
  • ISG is hiring actively — 67 open roles indexed.

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