Senior Drainage Manager

Mannik Smith Group; Glen Allen (VA); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401K Retirement Plan

Paid time off including holidays

Parental leave

Professional development tracks

Job summary

Mannik Smith Group is looking for a Senior Drainage Manager in Glen Allen, Virginia. This role involves leading hydrology and hydraulic design for various transportation projects and ensuring compliance with state regulations. The ideal candidate must hold an active Professional Engineer license and have over 12 years of experience in the field.

The position offers a $10,000 sign-on bonus and a comprehensive benefits package including medical, dental, and 401K. Join RDA for a balanced work life, along with opportunities for professional development.

Qualifications

• Active Virginia Professional Engineer (P.E.) license required.
• 12+ years of progressive experience in hydrology and hydraulics design.
• Experience on VDOT roadway and bridge design projects required.

Responsibilities

• Lead and manage hydrologic and hydraulic design for transportation projects.
• Prepare and seal drainage design packages, ensuring compliance with standards.
• Provide technical leadership and mentoring to junior engineers.

Skills

Hydrology and hydraulics design

Project management

Technical communication

Software proficiency (HEC-RAS, GIS)

Education

Active Virginia Professional Engineer (P.E.) license

12+ years of experience in hydrology and hydraulics design

Tools

HEC-RAS (1D & 2D)

MicroStation / OpenRoads Designer

GIS (ArcGIS)

Job description

Senior Drainage Manager

Department: Transportation

Employment Type: Full Time

Location: Glen Allen, Virginia

Description

Rinker Design Associates, LLC (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!

What You'll Do:

• 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.

What You'll Need:

• 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.

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.