Trilon Group

Senior Drainage Engineer

Trilon Group  •  Manassas, VA (Onsite)  •  4 hours ago
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Job Description

Senior Drainage Engineer

Department: Transportation

Employment Type: Full Time

Location: Manassas, VA

Rinker Design Associates (RDA) is seeking a talented Drainage Engineer with 7–12 years of experience to join our Transportation team. In this role, you'll contribute to the analysis and design of drainage and stormwater systems for a variety of roadway and infrastructure projects. You'll work closely with project managers and multidisciplinary teams to deliver high-quality solutions that enhance safety, mobility, and environmental stewardship.

If you are looking for the opportunity to take ownership of technical work, mentor junior staff, and grow your career while working on meaningful projects, we'd love to hear from you.

💥$10,000 sign-on bonus!💥

What You'll Do:

  • Perform hydrologic and hydraulic analyses and design for transportation and infrastructure projects.
  • Prepare drainage reports, stormwater management calculations, and supporting technical documentation.
  • Design storm sewer systems, culverts, channels, and erosion and sediment control measures.
  • Develop plans and models using HEC-RAS, HEC-HMS, SWMM, MicroStation, and OpenRoads Designer.
  • Coordinate with project managers, clients, and regulatory agencies to support project delivery.
  • Ensure designs comply with VDOT, DEQ, FEMA, and applicable local and federal regulations.
  • Participate in field investigations and provide construction support as needed.
  • Collaborate with roadway, traffic, and environmental teams to deliver integrated project solutions.
  • Assist with proposal preparation and provide technical guidance to junior engineering staff.

What You'll Need:

  • Bachelor's degree in Civil Engineering or a related field.
  • 7–12 years of experience in drainage, stormwater, or water resources engineering.
  • Professional Engineer (PE) license required or ability to obtain Virginia licensure through reciprocity.
  • Experience with VDOT transportation projects and familiarity with the VDOT Drainage Manual.
  • Knowledge of FEMA, DEQ, and AASHTO standards and regulations.
  • Strong analytical, communication, and organizational skills.
  • Ability to manage multiple assignments and work effectively in a collaborative environment.
  • Proficiency with industry software tools, including:
    • HEC-RAS (1D & 2D)
    • HEC-HMS
    • SWMM / InfoSWMM
    • MicroStation / OpenRoads Designer
    • GIS (ArcGIS) and other drainage design tools

Why Join RDA?

We offer a comprehensive benefits package which includes:
  • Medical, dental, and vision insurance
  • 401K Retirement Plan; Roth Contributions
  • Health Savings Account (HSA)
  • Flexible Spending Accounts (FSA)
  • Life, AD&D, short-term and long-term disability
  • Paid time off, including 8 federal holidays + 1 floating holiday
  • Parental leave
  • Professional/career development tracks
  • Positive work/life balance.
RDA is an Equal Opportunity Employer and maintains a drug-free workplace.

Applicants that require an employment visa sponsorship now or in the future will not be considered.
Trilon Group

About Trilon Group

Infrastructure is the backbone of the communities where we live, work, and play. Done well, infrastructure changes lives for the better – promoting opportunity, equity, sustainability, and safety.

Trilon is bringing together a family of the nation’s best infrastructure consulting firms. We invest in talent, technology, and targeted M&A to ensure we are the firm of choice for our clients and our people to deliver sustainable infrastructure solutions.

Trilon helps our communities plan, design, and deliver critical infrastructure more quickly, affordably, and impactfully.

Industry
Construction & Skilled Trades
Company Size
51-200 employees
Headquarters
Denver
Year Founded
2021
Website
trilongroup.com
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