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Job Description:
Senior Engineering Manager – Hydrology & Drainage – Transportation Infrastructure
Our Parsons Seattle office is seeking to hire a highly experienced Senior Engineering Manager to oversee and lead our hydrology and drainage practice supporting transportation projects in the Pacific Northwest and also some US National projects. In this role you will lead Drainage designs for road/highway/rail/transit projects primarily in the US West.
In this role you will act as the primary interface with internal design teams and take the lead for all Drainage aspects of the project with the client and our JV partners on both conventional and design/build projects. You will be a key management member of our Road/Highway Practice for California, reporting into Senior Management. Our projects include new urban highway design, highway rehabilitation, railroad grade separation, construction of new bypass lanes and auxiliary lanes, widening of lanes, and reconfiguration of local street interchanges, and rail and transit.
We expect you to be able to manage and oversee design of all drainage elements relating to road and highway projects, including hydrologic analysis, inlet design, storm sewer design, ditch and channel design, cross drain design, retention/detention basin design, water quality analysis, adequate outfall design and design of on and off site drainage facilities. As a leader, you must be able to demonstrate prior experience in the preparation plan documents and reports, such as of storm-water plans and permit applications for highway projects, drainage criteria documentation, drainage design reports, and pond siting reports.
Responsibilities :
- Functions as Engineering Drainage Design Manager on small, medium and large projects, assuming responsibility for the work of the group.
- Leads other Engineers and design personnel in technical excellence and growth in the Quality Improvement Process.
- Provides technical consultations for interdisciplinary analytical studies and analyses.
- Ensures compliance of design with all applicable codes and regulations, providing the seal and signature of the professional engineer when required by statute or contract.
- Helps determine budget estimates and staffing requirements for the defined scope and schedule. May assist with other administrative and technical duties.
Additional Responsibilities :
- A strong background with WSDOT design build work
- Qualifications for Drainage Design Engineer of Record for WSDOT design build work
- A vision for developing a premier group of drainage design engineers
- A willingness to mentor and teach younger drainage engineers
Requirements:
- 4-year degree in Civil Engineering (or a related field)
- 15-20 years or more of related work experience in water resources engineering design (drainage design, hydrologic studies/evaluations, especially for transportation projects
- Professional Engineer ( PE) registration is required.
- WSDOT projects experience is essential for this role
- Ability to perform in a lead capacity and provide constant oversight to design engineering process
Security Clearance Requirement:
NoneThis position is part of our Critical Infrastructure team.For more than 80 years, our experts have designed and delivered the critical infrastructure that connects and protects communities around the world. We work in collaborative teams, both within the company and with our partners and customers, to plan, design, build, and modernize infrastructure. We take special pride in projects and solutions that improve communities as well as people’s quality of life by promoting economic growth, enhancing mobility, and increasing sustainability and resiliency. Powered by our people, we provide the imagination necessary to support our customers’ visions—and to help them see what's next!Salary Range: $144,800.00 - $260,600.00We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, Employee Stock Ownership Plan (ESOP), 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest—APPLY TODAY!Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.
Skills Required
- 4-year degree in Civil Engineering or related field
- 15-20+ years of water resources engineering design experience (drainage design, hydrologic studies)
- Professional Engineer (PE) registration
- Experience with WSDOT projects and WSDOT design-build work
- Qualifications to serve as Drainage Design Engineer of Record for WSDOT design-build work
- Ability to lead and provide oversight to design engineering processes and teams
- Willingness to mentor and develop junior drainage engineers
Parsons Corporation Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Parsons Corporation and has not been reviewed or approved by Parsons Corporation.
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Retirement Support — Retirement programs are framed as a major value driver, with an ESOP alongside a 401(k) match and additional stock-purchase options contributing meaningfully to total rewards. This structure is positioned as especially attractive for employees who value long-term wealth-building over immediate cash.
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Healthcare Strength — Health coverage is described as broad and choice-rich, with multiple plan types (PPO, HDHP, and some HMO networks) plus dental, vision, EAP, and wellness resources. The availability of different plan designs and national-carrier coverage supports varied employee needs.
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Leave & Time Off Breadth — Time-off offerings are portrayed as competitive, including PTO, holidays, flexible schedules such as a 9/80 option for eligible roles, and floating holidays in the U.S. Paid parental leave of 160 hours is also highlighted as a meaningful component of the overall package.
Parsons Corporation Insights
What We Do
Parsons is a digitally enabled solutions provider with a focus on making the world safer, smarter, healthier, more sustainable, and more connected. Founded in 1944, Parsons primarily serves the defense, security, and infrastructure markets. Uniquely qualified to deliver cyber/converged security, technology-based intellectual property, and other innovative services, the corporation delivers state-of-the-art solutions to federal, regional, and local government agencies as well as to private industrial customers worldwide. Parsons has a reputation for inclusion and diversity and has been named to the Ethisphere Institute’s list of World’s Most Ethical Companies for 10 consecutive years. Parsons facilitates a culture of innovation by encouraging collaboration among its employees and providing opportunities for career growth. With offices around the globe, people of varied talents and backgrounds, and a wide range of exciting projects, the possibilities at Parsons are endless. For more about Parsons, visit www.parsons.com. Mission: Delivering innovative infrastructure, defense, and security solutions to enable a more sustainable, safer, smarter, and more connected world.






