Lead Transportation Engineer, Drainage

Join Our Team. Build Communities. Improve Lives.

At HR Green
, our mission is simple yet powerful:
BUILDING COMMUNITIES. IMPROVING LIVES. For more than 100 years
, we’ve delivered on that promise—partnering with our colleagues, clients, and communities to create thoughtful, lasting solutions. Every day, our teams collaborate to solve complex challenges, inspire one another, and exceed client expectations.

We’re proud to be recognized as No. 168 on Engineering News-Record’s Top 500 Design Firms list (2025)—a reflection of our people, our culture, and our commitment to excellence.

HR Green is seeking a Lead Drainage Engineer who is eager to make a lasting impact—both technically and organizationally.

This role offers a clear pathway for professional growth, leadership development, and advancement into management while playing a critical role in expanding our transportation drainage practice.

You’ll lead complex drainage efforts, mentor and grow a high-performing team, and partner with leadership to help shape the future of our business.

As a Lead Drainage Engineer, you will:

• Lead and manage drainage-related engineering tasks involving hydraulics, hydrology, and technical reporting across multiple transportation projects.
• Serve as a technical authority, applying professional judgment to independently develop and direct engineering designs.
• Collaborate closely with Project Managers—or serve as Project Manager on select projects—to assign work, set schedules, and guide multidisciplinary teams.
• Provide technical oversight, quality control, and mentorship
  , helping develop engineers at all levels and strengthening our internal expertise.
• Play an active role in growing and shaping the drainage team
  , including identifying staffing needs, supporting hiring efforts, and fostering a collaborative team culture.
• Make design decisions that meet client needs and align with project goals and long-term infrastructure performance.
• Proactively identify and resolve technical, schedule, and financial challenges in partnership with project leadership and clients.
• Communicate directly with clients, prepare project addenda, and recommend and develop change orders when necessary.
• Support proposal development and business planning efforts, including scope definition, cost estimating, and schedule development.
• Sign and seal engineering documents as an authorized representative of HR Green.
• Contribute to firm-wide standards, best practices, and innovation initiatives within your technical discipline.
• Represent HR Green through professional organizations, technical presentations, and industry engagement.
• Partner with leadership in business development efforts
  , leveraging technical expertise and client relationships to expand existing accounts and pursue new opportunities.

This role is ideal for a senior engineer who is ready to take the next step in their career. At HR Green, we intentionally invest in our leaders by offering:

• A clear path toward expanded leadership and management responsibilities
  , including opportunities to grow into Group Leader or regional leadership roles.
• The ability to build and lead a team
  , influence staffing strategies, and shape technical direction.
• Hands‑on involvement in strategic planning, business development, and client growth
  .
• Mentorship from experienced firm leaders and exposure to decision‑making that impacts the broader organization.
• The opportunity to leave a lasting legacy by helping define standards, processes, and future talent within the drainage discipline.

• Bachelor’s or Master’s degree in Engineering
• 10+ years of progressive engineering design experience
  , with demonstrated authority to sign and seal engineering documents
• Active Professional Engineer (P.E.) license
  , with the ability to obtain licensure in additional states as needed
• Experience with drainage and hydraulic modeling tools such as:
  • Open Roads Designer
  • Micro Station
  • HEC-RAS
  • HEC-HMS
  • XP-SWMM (preferred)

• At HR Green, you’ll find more than a job—you’ll find a career with purpose and momentum
  . You’ll have the opportunity to lead meaningful projects,…