Senior Stormwater Project Engineer – Water + Environment Market

About Us

At Gresham Smith, we call it Genuine Ingenuity. Our culture is the cornerstone of who we are, and our people are at the heart of everything we do. United by our Core Purpose—to plan, design, and consult to create healthy and thriving communities—we deliver innovative solutions for life’s essential infrastructure and institutions. What sets us apart is our dedication to care for our people, our clients, and the places we call home. We are more than a team of professionals—we’re a community built on commitment, integrity, respect, and teamwork.

Why Gresham Smith? When you join Gresham Smith, you’re joining a place where you can connect and thrive. Our employees consistently recognize us as a Best Place to Work because we go above and beyond to ensure that you feel valued, supported, and empowered.

About You

• A bachelor’s or Master’s degree in Civil, Environmental, Chemical Engineering, or other related field is required.
• 15+ years of experience in Civil Engineering, focused on stormwater design and modeling.
• P.E. license is required.
• Proficiency in AutoCAD and Civil 3D.
• Engineering Software Experience: HEC-RAS (1D and 2D), HEC-HMS, EPA/XP/PC SWMM, InfoWorks, Autodesk SSA, Hydraflow, ArcGIS Pro.
• Active membership in professional societies is a plus.

About The Role

We’re looking for someone who has:

• Perform hydrologic and hydraulic modeling tasks for a variety of stormwater projects, including watershed and floodplain studies, closed stormwater systems, and green infrastructure projects for state, municipal, and private clients.
• Lead the design and preparation of engineering plans, specifications, and cost estimates.
• Lead the preparation of reports and other technical documentation.
• Assist in the preparation of EPSC plans and development of SWPPPs.
• Assist in the preparation of permit applications and regulatory submissions.
• Conduct fieldwork, including site assessments, data collection, and construction observation, as required.
• Support QA/QC of designs, reports, and calculations to ensure accuracy and completeness.
• Effectively convey project work, schedules, and results verbally and in writing.
• Present project information at client and community meetings.
• Cook up design development and provide technical direction to junior staff.
• Mentor and train junior staff.

Benefits

• Professional Growth: In-house Learning, Tuition Reimbursement, Licensure Support, Professional Organization Engagement.
• Culture that Cares: 93% of employees say they feel cared for, and 96% are confident in our future success.
• Competitive Benefits: Flexible Schedules & Generous PTO, Healthcare (Medical, Dental, Vision, Wellness Programs), 401(k) with Company Match, Short- & Long-term Disability, Paid Life & AD&D, Supplemental, Critical Care, Pet, Legal & ID Theft Insurance, Family Planning and Parental Leave, Mass/Public Transit Program, Telemedicine and Employee Assistance Program.