Staff Engineer - Transportation
HR Green
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St. Louis, MO · Posted July 23, 2026
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Where St. Louis, MO ranks
Where St. Louis, MO placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #9Best all-round cities for new graduates in the Midwest52 / 100 · of 20
- #9Cities hosting the most business conferences in the Midwest8 conferences · of 12
- #9Cities hosting the most legal services conferences4 conferences · of 17
- #11Best cities for government pay after cost of living$123k · of 18
- #11Best cities for entry-level jobs that want AI skills in the Midwest4% · of 52
- #12Best all-round cities for remote workers in the Midwest42 / 100 · of 20
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
AI use among civil engineers is little observed so far. Measured exposure for civil engineers: 1% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
What if your next role offered you the opportunity to help design the infrastructure that keeps communities moving?
At HR Green, our Transportation teams deliver roadway and drainage solutions that improve safety, mobility, and quality of life. As a Staff Engineer II, you'll work alongside experienced engineers on a wide variety of transportation projects while gaining hands-on experience and exposure to the full project lifecycle.
About the Role
In this role, you will support the planning, design, and delivery of roadway and transportation projects that serve local communities and clients across the country.
You'll work closely with experienced engineers and collaborate across disciplines including Water Resources, Structural, Municipal Services, and Construction. Because we're a close-knit team, you'll receive direct mentorship, meaningful project responsibilities, and opportunities to continue growing your technical expertise.
What You Will Be Doing
Support the planning, design, and delivery of roadway, highway, and intersection improvement projects
Assist in preparing roadway plans, specifications, and technical reports
Support storm sewer, culvert, and drainage infrastructure design for transportation projects
Perform hydrologic and hydraulic analyses to evaluate drainage systems and develop infrastructure solutions
Assist with environmental permitting and regulatory compliance activities
Conduct field investigations and support construction-phase activities
Communicate with project teams, clients, contractors, and regulatory agencies
Collaborate with engineers across multiple disciplines to deliver successful projects
You Might Be a Great Fit If
You are eager to continue developing your technical skills and expanding your project experience
You enjoy solving problems and seeing how your work impacts communities
You value mentorship and learning from experienced engineers
You enjoy collaborating with multidisciplinary teams
You are looking for a company that offers long-term career growth and leadership opportunities
What You Bring
Bachelor's or Master's degree in Civil Engineering from an accredited university
Engineer-in-Training (EIT) certification or the ability to obtain within six months
4 years of civil engineering experience with roadway or drainage experience preferred
Experience with Civil 3D, ArcGIS, OpenRoads Designer, or related engineering software is a plus
Strong communication and collaboration skills
A desire to learn, grow, and take on increasing responsibilities
Why HR Green
For more than 110 years, HR Green has partnered with clients and communities to deliver infrastructure solutions that improve lives. We are proud to be recognized as both a top design firm and a great place to work.
Here, you'll have the opportunity to work on meaningful projects, receive direct mentorship, and build a career with a company known for investing in its people. Our culture emphasizes collaboration, work-life balance, and long-term professional growth.
If you're looking for a place where you can learn, contribute, and grow your engineering career, this could be worth a conversation.
Benefits
Not only does HR Green provide you with a place to grow, thrive, and enjoy your work, but we are also dedicated to delivering a comprehensive and multi-faceted benefits package.
Visit our website for detailed total rewards information.
https://www.hrgreen.com/careers/total-rewards/
HR Green is proud to be an affirmative action/ equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or other classification protected by applicable federal, state or local law.