Trilon Group

Infrastructure consulting for transportation and water

Water Resources Manager

Water Resources EngineeringUpdated on Nov 13

Full-timeGlen Allen, VA, USAIn-person

About the Job

Requirements

An active Virginia Professional Engineer (P.E.) license is required.
At least 12 years of progressive experience in hydrology and hydraulics design for transportation or civil infrastructure projects.
Demonstrated experience working on VDOT roadway and bridge design projects, including familiarity with VDOT processes, plan development requirements, and digital delivery standards.
Proficiency with HEC-RAS (1D and 2D), HEC-HMS, SWMM or InfoSWMM, MicroStation or OpenRoads Designer, GIS (ArcGIS), and other drainage design tools.
Strong verbal and written communication skills to convey complex technical concepts to internal teams, clients, and regulatory agencies.
Ability to lead engineering teams, manage multiple concurrent deadlines, and maintain high standards of technical accuracy and quality.

Responsibilities

Lead and manage hydrologic and hydraulic design for transportation projects, including roadway corridors, bridge replacements, culvert designs, stream crossings, and interchange improvements.
Prepare, review, and seal drainage design packages, including storm sewer systems, ditches, channels, cross-drainage, stormwater best management practices, and erosion and sediment control plans.
Ensure designs comply with the VDOT Drainage Manual, VDOT Road and Bridge Standards, Virginia Stormwater Management Regulations, AASHTO Green Book, and applicable FEMA National Flood Insurance Program requirements.
Provide technical leadership, mentoring, and quality assurance for junior and mid-level engineers by reviewing calculations, design approaches, reports, and plan sets.
Coordinate with VDOT district staff, local governments, environmental agencies, and multidisciplinary design teams from project scoping through final design and construction.
Participate in public meetings, stakeholder coordination sessions, and technical presentations as needed.
Support proposal development by preparing technical scopes, level-of-effort estimates, and project schedules related to hydrology and hydraulics tasks.

Rinker Design Associates, a DRMP company, Powered by Trilon (RDA) is seeking a highly experienced Professional Engineer (P.E.) to serve as the technical lead for hydrology and hydraulics (H&H) design and review efforts on transportation infrastructure projects throughout the Commonwealth of Virginia. The ideal candidate will demonstrate advanced technical proficiency in roadway and bridge drainage design, stormwater management, floodplain analysis, and hydraulic modeling. This position requires substantial experience delivering projects in accordance with VDOT, Virginia DEQ, FEMA, and AASHTO requirements, as well as the ability to coordinate effectively with state and local agencies.

💥$10,000 sign-on bonus!💥

Lead and manage hydrologic and hydraulic design for a wide range of transportation projects, including roadway corridors, bridge replacements, culvert designs, stream crossings, and interchange improvements.
Prepare, review, and seal detailed drainage design packages, including storm sewer systems, ditches, channels, cross-drainage, stormwater BMPs, and erosion and sediment control plans.
Ensure all designs comply with relevant standards and guidance, including the VDOT Drainage Manual, VDOT Road & Bridge Standards, Virginia Stormwater Management Regulations, AASHTO Green Book, and applicable FEMA NFIP requirements.
Provide technical leadership, mentoring, and quality assurance for junior and mid-level engineers by reviewing calculations, design approaches, reports, and plan sets.
Coordinate closely with VDOT district staff, local governments, environmental agencies, and multidisciplinary design teams to support project development from scoping through final design and construction.
Participate in public meetings, stakeholder coordination sessions, and technical presentations as needed.
Support proposal development by preparing technical scopes, level-of-effort estimates, and project schedules related to H&H tasks.

Active Virginia Professional Engineer (P.E.) license required.
Minimum 12 years of progressive experience in hydrology and hydraulics design for transportation or civil infrastructure projects.
Demonstrated experience working on VDOT roadway and bridge design projects, including familiarity with VDOT processes, plan development requirements, and digital delivery standards.
Proficiency with industry software tools, including:
- HEC-RAS (1D & 2D)
- HEC-HMS
- SWMM / InfoSWMM
- MicroStation / OpenRoads Designer
- GIS (ArcGIS) and other drainage design tools
Strong verbal and written communication skills, with the ability to convey complex technical concepts to internal teams, clients, and regulatory agencies.
Proven ability to lead engineering teams, manage multiple concurrent deadlines, and maintain high standards of technical accuracy and quality.

About the Company

Trilon Group

Infrastructure consulting for transportation and water

Trilon Group provides infrastructure consulting in transportation, water, and municipal systems in the Mid-Atlantic region. It works by partnering with local governments, municipalities, and private clients to deliver planning, design support, and project management through fee-based engagements, expanding capabilities through alliances with firms like Rinker Design Associates and Wilson Engineers. The company differentiates itself with a platform-style growth approach backed by private equity and a People First culture focused on talent development. Its goal is to expand service offerings and market presence in the Mid-Atlantic by building scalable partnerships and using capital to support growth.

Company size: 51-200
Company stage: Growth Equity (Non-Venture Capital)
Total funding: $200M
Headquarters: Denver, CO
Founded: 2021

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