Drainage Engineer II

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

Parsons is looking for a talented Drainage Engineer to help design the critical transportation and stormwater infrastructure that connects and protects communities across the country. As a key member of our multidisciplinary design team, you’ll work on high‑visibility projects, mentor junior engineers, and take ownership of your designs from concept through construction.

You’ll be supported by a collaborative team, industry‑leading tools, and a culture that truly invests in your growth—while enjoying the flexibility, benefits, and stability of a global engineering firm.

Why This Role is Different • Meaningful impact: Design stormwater and drainage systems that improve safety, mobility, sustainability, and resilience for entire communities. • Career growth & mentorship: Lead segments of complex projects, guide junior engineers, and work closely with senior drainage experts who are invested in helping you grow into a Technical Lead / Project Manager. • Variety of projects: Contribute to local and national transportation projects, including highways, interchanges, corridors, and alternative project delivery (design‑build, CM/GC) work. • Flexible, people‑first culture: Benefit from flexible work schedules, best‑in‑class benefits, and an Employee Stock Ownership Plan (ESOP)—allowing you to share in the company’s success.

What You’ll Be Doing You will be a key contributor in the planning and design of drainage and stormwater systems for transportation infrastructure projects, with responsibilities including: • Project & technical design• Perform hydraulic and hydrologic analysis for storm drains, detention/retention facilities, culverts, and water quality (BMP/LID) features. • Develop storm drain plans, profiles, details, and specifications in collaboration with senior drainage engineers. • Apply current DOT/FHWA drainage, hydraulic, and hydrology standards and practices in design. • Prepare technical calculations, exhibits, and drainage reports that clearly communicate your design approach.