Senior Drainage Design Manager

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We are seeking a Senior Drainage Design Manager to lead teams on fast-paced transportation projects with subject matter expertise in hydrology, hydraulics, and stormwater management. The successful candidate will produce high-quality drainage deliverables on projects and pursuits and guide teams to achieve HNTB’s 4 for 4 performance goals: delivering quality work on time, on budget, and to the client’s satisfaction on every project.

What You'll Do

• Responsible for development of the project scope and fee quotation and assists in the preparation of technical proposals and contracts in accordance with HNTB\'s Sophisticated Contracting Approach (SCA).
• Serve as the primary client liaison and manage the project team to deliver scope, schedule, and budgets to completion and client satisfaction. Lead client contract scoping and negotiations.
• Perform technical discipline tasks including analysis, reports, design, specification, and production for assigned projects.
• Implement the firm’s project delivery plan using HNTB\'s Sophisticated Delivery Approach (SDA). Lead development and execution of the project management plan. Supervise and mentor the team toward project objectives.
• Oversee project staffing, including recruitment, development, retention, succession planning, and performance reviews.
• Partner with Client Service Leaders and pursuit teams to assist with business development, client relationships, and pursuit efforts for mega and super mega projects. Prepare proposal and presentation materials; lead proposal development and presentations for strategic projects.
• May recruit, hire, develop, and retain staff and support staff reporting and compensation reviews.
• Performs other duties as assigned.

What You'll Need

• Bachelor’s degree in Engineering and 12 years of relevant experience
• 4 years of successful management of engineering projects

What You'll Bring

• Experience leading a drainage team for delivery of design plans on complex transportation infrastructure projects
• Lead project teams in development of design modeling, calculations, plans, specs, and quality control
• Collaborate with other disciplines to ensure a fully integrated design
• Work with project management and contracting partners to ensure an efficient, constructible design
• Provide engineering to develop cost estimates and identify risks for job pursuits
• Develop scopes, fees, and work plans to execute projects on aggressive schedules
• Assign tasks and direct design to meet quality and schedule requirements
• Act as a subject matter expert and provide senior review of designs, proposals, fee estimates, and scopes of work for projects nationwide
• Hydrology and hydraulics design of surface water runoff collection and conveyance systems, stormwater management design, open channel modeling, scour analysis, and mitigation measures
• Proficient with standard industry software (MicroStation, InRoads Drainage, GEOPAK Drainage, OpenRoads, AutoCAD, Civil 3D, StormCAD, HEC-RAS 1D & 2D, SWMM, PondPack, Culvert Master, Flow Master, etc.)

What We Prefer

• Master’s degree in Engineering
• 15+ years of relevant experience in hydrology, hydraulics, and stormwater management on fast-paced transportation projects, including progression to task and project management
• Professional Engineer (PE) certification, and ability to obtain PE in multiple states
• Excellent communication skills
• Familiarity with construction methods and ability to optimize designs accordingly
• Familiarity with permitting at federal, state, and local levels
• CA PE preferred

Additional Information

Visa sponsorship is not available for this position. Related notices: HNTB Total Rewards; Equal Opportunity Employer/Disability/Veteran. The anticipated last day to apply is 01/01/2026. The job posting may be unposted earlier if filled or if no longer needed.

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