Posted Sep 21, 2026

Principal Drainage Project Engineer

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At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible.

 

Job Description:

Parsons is seeking a highly experienced Principal Drainage Project Engineer to help establish and grow a dedicated drainage practice supporting the Tennessee Department of Transportation (TDOT) and transportation infrastructure clients throughout Tennessee and North America.

This is a high-impact opportunity for a technical leader who can combine advanced drainage and hydraulic engineering expertise with client development, project delivery, and team leadership. The successful candidate will play a central role in building Parsons’ Tennessee drainage capabilities and will be positioned for advancement into a regional drainage practice lead role as the business continues to grow.

In this role, you will serve as a technical leader for drainage design and hydraulic and hydrologic modeling on roadway and highway projects supporting TDOT and other transportation clients. You will contribute to the development of next-generation drainage design software, digital workflows, and technical standards within Parsons’ engineering community.

You will be responsible for engineering drainage designs, hydraulic and hydrologic systems modeling, plan production, construction details, erosion and sedimentation control drawings, quantity calculations, and technical documentation. You will also review and validate engineering analyses, calculations, plans, specifications, and reports to ensure technical accuracy, quality, and compliance with project requirements.

As Parsons builds its Tennessee drainage practice, you will help define service offerings, establish client relationships, identify project opportunities, support pursuits, mentor staff, and develop the technical and operational foundation for a growing regional practice.

This role will require the selected candidate to be located in Tennessee and available to report to a Tennessee Parsons office as needed.

What You’ll Be Doing

What Required Skills You’ll Bring

Desired Qualifications:

Security Clearance Requirement:

None

This 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: $125,100.00 - $225,200.00

We 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!

This position will be posted for a minimum of 3 days and will continue to be posted for an average of 30 days until a qualified applicant is selected or the position has been cancelled.

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/.

Competitive Benefit Offerings

COMPETITIVE BENEFIT OFFERINGS

Financial Wellness

We care about your financial wellbeing. Parsons offers competitive pay and retirement plans to help you build wealth for the future while giving you the flexibility to diversify your investments.

Work Life Harmony

Balance in life is important and time away from the office is imperative to allow you to refresh and focus your attention on the things that matter to you. Parsons supports your time away by providing paid time off and paid flexible holidays.

Career Development

We are committed to fostering the personal and professional growth of our employees. Develop and advance yourself though our comprehensive training, educational and mentorship programs.

Veteran Support

We provide Industry leading benefits to support veterans and active-duty members to provide security for you and your family by offering robust leave and benefits; including paid active-duty military leave and paid time off when transitioning back to civilian life.

Mind & Body

At Parsons we inspire healthier habits, heathier minds, and a healthier you through our wellness program. Participate in our weekly Meditation Mondays and Wellness Wednesdays. Wellness, at Parsons, is more than just your annual checkup.

Health

Health is not a one size fits all. At Parsons, we offer a robust Employee Assistance Program as well as comprehensive medical, dental and vision plans through large, national carriers with the choice of regional PPO, HDHP, or HMO networks.

Want to learn more about the benefits eligible for the Parsons’ location you are interested in? Click below to find out more!

Bachelor's in civil engineering; 15+ years progressive drainage design experience; Professional Engineer registration; TDOT experience preferred; proficiency in CAD and hydraulic software; must be located in Tennessee.

Key Responsibilities

Skills & Tools

HEC-RAS, HEC-HMS, HY-8, Bentley OpenRoads Designer, Bentley InRoads, Bentley StormCAD, Bentley FlowMaster, Bentley InRoads Storm & Sanitary, Aquaveo Watershed Modeling System, NRCS WinTR-55, FHWA Hydraulic Toolbox, EPA Storm Water Management Model, Esri ArcGIS, CAD

Job Details

Benefits

About Parsons Corporation

A global engineering and construction firm delivering critical infrastructure projects. — Industry: Construction