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Parsons has filed 5 layoff notices in the last twelve months, covering 94 workers, most recently October 2026. These are public filings with state labor departments, and an open role can sit alongside them. See the filings

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About the job

In a world of possibilities, pursue one with endless opportunities. Imagine Next!

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:

Ready to put your civil engineering and drainage design skills to work on marquee road and highway design projects that will change the urban fabric of our community? Would you enjoy being involved on a wide variety of civil engineering tasks on small to large scale, transportation projects? Parsons is now hiring a Senior Drainage Engineer for design-build and design-bid-build projects located in Southern California to support various road and highway projects and rail projects in Southern California. This role will be in San Diego and allows for a hybrid work situation (meaning ability to work from home 1-2 days per week).

Parsons extensive experience in this field, combined with your engineering knowledge, will propel your career forward with opportunity for advancement with top performance. We need our engineers to be versatile, enthusiastic to work in highly flexible, team-oriented environment and who have exceptional communication, analytical and management skills.

In this role, you will be engaged in engineering drainage and stormwater treatment designs, hydraulic systems modeling, and drainage calculations. You will be responsible for review and preparation of construction details, as well as construction specifications and estimates. Perform quantity calculations and produce/check engineering analytical data and related information to assure the design and any technical reports are accurate. Delivering critical design components regarding project scope, and experience with CALTRANS experience is highly desirable.

Responsibilities :

Develops and/or supervises the creation of engineering products that meet customer quality requirements. This includes defining the problem, establishing the work scope, preparing the budget and schedule, planning the work, providing technical direction, and reporting the work status.

Typical products may include detailed calculations, drawings, procurement documents, design and installation packages, proposal evaluations, technical reports, and detailed analyses.

Provides support for other engineering activities as required. May supervise one or more subordinates and provide input regarding performance.

May be assigned to a project or organizational team, or as a lead engineer for a specific discipline on a small to intermediate-size project.

Provides input and technical guidance to CAD Designer/Drafters, Designers, and lower-level Engineers working on the same project.

Qualifications :

4-year degree in Civil Engineering (or a related field) is required.

8+ years of related work experience with road & highway drainage design , preferably with state DOT projects

PE ( Professional Engineer) license is required

Proficiency in utilizing CAD and other PC software packages typically associated with engineering is required.

Experience with Caltrans projects in California is highly desirable . Experience obtaining canal and storm water permits is a plus

Combination of Experience with hydraulic modeling programs of HEC-RAS, HEC-HMS, HY-8, Bentley InRoads Storm &Sanitary, AutoCAD Civil 3D Drainage Networks, Bentley StormCAD, Aquaveo Watershed Modeling System (WMS), NRCS WinTR-55, Bentley FlowMaster, FHWA Hydraulic Toolbox, Aquaveo SMS SRH 2D Hydraulic Modeling, and EPA Storm Water Management Model (SWMM) is essential.

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!

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!

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

Security Clearance Requirement: None

This position is part of our Critical Infrastructure team.

Salary Range: $103,500.00 - $181,100.00

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.

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/ .