We9re currently seeking a Lead Transportation Engineer to join our Transportation team in Sioux Falls. This is an opportunity for an experienced roadway and highway engineer to serve as a senior technical leader, take ownership of complex design decisions, mentor developing engineers, and help shape the technical standards and quality of transportation work across the practice.

If you9re looking for a role where you can stay close to the engineering while expanding your influence across projects, teams, and clients-and where your technical expertise can make a visible impact-we9d love to talk with you.

What You9ll Do

As a Lead Transportation Engineer, you9ll provide technical leadership across roadway and highway projects, serving as a trusted resource for complex design challenges and helping teams deliver high-quality work from planning and design through construction.

Technical Leadership & Project Delivery

• Lead and independently complete complex roadway and highway engineering designs, using professional judgment to make significant technical and design decisions.
• Serve as a technical expert on assigned projects and provide specialized transportation expertise across teams and offices when needed.
• Provide formal and informal QA/QC of engineering work to ensure technically sound deliverables that meet client expectations, company standards, schedules, and budgets.
• Proactively identify technical, scope, schedule, or financial issues and work with project managers and clients to resolve them.
• Sign and seal engineering documents as an authorized representative of HR Green.
• Support bidding and construction activities, including contractor questions, addenda, change orders, and field coordination as appropriate.

Team Leadership & Mentorship

• Provide technical and project leadership to engineers and technical staff by assigning work, answering questions, monitoring progress, and helping teams stay on track.
• Mentor less-experienced engineers and connect them with assignments and resources that expand their technical capabilities and support career development.
• Help create, improve, and champion transportation design standards, tools, processes, and best practices across the organization.
• Foster a collaborative environment focused on technical excellence, accountability, knowledge-sharing, and continuous improvement.

Client Partnership & Practice Growth

• Communicate directly with clients on technical matters and help translate complex engineering challenges into practical solutions.
• Act as Project Manager on smaller or specialty transportation projects as assigned, with responsibility for scope, schedule, budget, resources, and client expectations.
• Contribute technical expertise to proposals, project pursuits, client presentations, and business development efforts.
• Represent HR Green through professional associations, technical organizations, and other industry or community outreach opportunities.

What You Bring

You9re an experienced transportation engineer with deep technical knowledge, sound judgment, and a reputation for solving complex problems. You enjoy staying engaged in the technical work while mentoring others, partnering with clients, and influencing how projects are delivered.

Required Qualifications

• Bachelor9s degree in Engineering.
• Current Professional Engineer (PE) license, with the ability to sign and seal engineering documents.
• 7+ years of design/engineering experience, including significant highway and/or roadway design experience.
• Demonstrated specialized transportation engineering expertise and the ability to independently lead technically complex work.
• Strong analytical, problem-solving, verbal communication, and technical writing skills.
• Experience providing technical guidance, QA/QC, and mentorship to engineers and technical staff.
• Working knowledge of Microsoft Office and transportation engineering/design software.

Preferred Qualifications

Highly desirable candidates will bring:

• Experience with SDDOT transportation projects and design requirements.
• MicroStation and OpenRoads Designer experience.
• Project management experience, including scope, schedule, budget, resource coordination, and client communication.
• Experience supporting proposals, client presentations, business development, or professional/technical associations.
• Additional transportation-related certifications, specialty expertise, and/or advanced education.

Why HR Green?

At HR Green, you9ll join an employee-owned firm where your contributions directly impact our success-and your future.

You9ll have the opportunity to:

• Be a visible technical leader on transportation projects that directly impact communities.
• Stay hands-on with engineering while expanding your influence across projects, teams, and technical standards.
• Mentor developing engineers and help shape how transportation work is delivered.
• Work directly with clients and experienced leaders while building your own technical and project leadership path.

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.

• Employee ownership opportunities
• Performance-based bonus program
• Traditional and Roth 401(k) plans with immediate employer-match vesting
• Medical, dental, and vision coverage
• Tuition reimbursement and professional development support
• Paid parental leave
• Two paid volunteer days each year
• Flexible career paths and advancement opportunities
• A collaborative culture that values innovation, teamwork, and professional growth
• Visit our website for detailed total rewards information.

https://www.hrgreen.com/careers/total-rewards/