Lead Engineer, Transportation

At HR Green, our mission is simple: Building Communities. Improving Lives. For more than 110 years, we've partnered with municipalities, utilities, and public agencies to deliver infrastructure solutions that strengthen communities and improve quality of life. Today, we're proud to be recognized as one of the nation's leading engineering firms, consistently ranked on Engineering News-Record's Top 500 Design Firms list , while also earning recognition as a Great Place to Work .

We're 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 you're 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—we'd love to talk with you. What You’ll Do As a Lead Transportation Engineer, you'll 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 You're 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 Bachelor’s 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

Experience with SDDOT transportation projects and design requirements. Micro. Station and Open. Roads 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, you'll join an employee-owned firm where your contributions directly impact our success—and your future. You'll 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/ 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