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Job Description:
Parsons is looking for an amazingly talented Senior Drainage Engineer to join our growing Stormwater Team for the East-Central United States area and to support critical infrastructure projects across the nation. In this role, you’ll work in a flexible, team-oriented environment, performing drainage and stormwater design on high‑impact transportation projects, mentor junior engineers, and collaborate with a multidisciplinary team that is shaping the future of mobility, safety, and resilience in our communities.
You’ll be backed by the resources of a global firm and a culture that values technical excellence, ownership, and growth—while enjoying flexibility, strong benefits, and opportunities to advance your career as a technical lead and project leader.
Why This Role is Different
High impact & visibility: Take ownership of complex drainage and stormwater designs that directly improve safety, mobility, and sustainability on major transportation projects.
Technical leadership: Serve as a go‑to drainage expert, leading design efforts and guiding junior staff in best practices and modern tools.
Collaboration & variety: Work closely with roadway, environmental, structural, utilities, and other disciplines on a diverse mix of projects, including alternative project delivery (design‑build, CM/GC) work.
Career growth: Build your profile with client interaction, proposal and business development support, and opportunities to grow into broader leadership roles.
What You’ll Be Doing
You will work with the East-Central Stormwater Team in the planning and design of drainage systems with an emphasis on stormwater quantity and stormwater quality systems for major infrastructure projects, with responsibilities that may include:
Technical design & analysis
Prepare hydraulic and hydrologic calculations for storm drains, detention facilities, culverts, water quality (BMP/LID) features, and other related items.
Develop storm drain plans, profiles, details, and specifications.
Prepare erosion & sediment control plans, calculations for storage facilities, including temporary sediment basins, and other related items.
Prepare stormwater pollution prevention plan (SWPPP) reports for project permitting.
Apply standard DOT and/or local agency regulations for drainage, hydraulic, and hydrology standards and practices in your designs.
Leadership & coordination
Work in a multi-disciplinary team environment to help deliver infrastructure design projects within the East-Central area and major infrastructure projects nationally.
Work as part of the East-Central area Stormwater Team or lead design efforts for local projects as well as segments of larger alternative project delivery projects.
Coordinate with counterparts in other design disciplines (roadway, structural, utilities, etc.) to develop comprehensive, integrated project designs.
Provide mentorship and guidance to junior staff in standard engineering practices and methodologies, including CAD modeling software for drainage and stormwater engineering.
Quality, client interface & business support
Implement quality assurance and quality control (QA/QC) standard practices to ensure accurate, constructible designs.
Interface with clients to address review comments, design issues, and constraints, acting as a trusted technical resource.
Support and participate in proposal and business development activities, bringing forward innovative drainage and stormwater solutions.
What You’ll Bring (Required)
Bachelor’s Degree in Civil Engineering (or related field) and typically 8+ years of related work experience.
Fundamentals of Engineering (FE/EIT) Certification and ability to obtain a PE license.
Experience in structural and non-structural stormwater quantity and stormwater quality design directly related to transportation projects.
Experience with MicroStation, OpenRoads Designer, and/or Civil 3D.
Desired / Preferred Qualifications
Professional Engineer (PE) license strongly preferred.
Experience with hydraulic/hydrologic modeling tools, including (but not limited to):
Bentley PondPack
Bentley OpenFlows Flowmaster
HydroCAD
HEC-HMS
SWMM Modeling (e.g., EPA‑SWMM, PC‑SWMM)
WinTR-55, Hydraulic Toolbox, among others
Strong communication skills, including the ability to clearly convey technical concepts to both technical and non‑technical audiences.
Experience writing drainage reports for transportation projects.
Demonstrated experience leading drainage design
Experience working on Alternative Project Delivery (design‑build, CM/GC) projects.
Ability to work independently and assume responsibility for technical quality, schedule, and coordination.
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: $88,400.00 - $154,700.00We 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!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/.
Skills Required
- Bachelor's Degree in Civil Engineering or related field
- Typically 8+ years of related work experience
- Fundamentals of Engineering (FE/EIT) certification and ability to obtain a PE license
- Experience in structural and non-structural stormwater quantity and stormwater quality design for transportation projects
- Experience with MicroStation, OpenRoads Designer, and/or Civil 3D
- Professional Engineer (PE) license
- Experience with hydraulic/hydrologic modeling tools (Bentley PondPack, Bentley OpenFlows Flowmaster, HydroCAD, HEC-HMS, EPA-SWMM/PC-SWMM, WinTR-55, Hydraulic Toolbox)
- Strong communication skills for technical and non-technical audiences
- Experience writing drainage reports for transportation projects
- Demonstrated experience leading drainage design
- Experience working on Alternative Project Delivery (design-build, CM/GC) projects
- Ability to work independently and assume responsibility for technical quality, schedule, and coordination
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.
