Drainage Engineer II

Parsons•Denver, CO

1d•Hybrid

About The Position

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.

Requirements

Bachelor’s Degree in Civil Engineering (or related field).
Typically 6+ years of related civil engineering experience, with a focus on drainage, stormwater, and/or hydrology.
Fundamentals of Engineering (FE/EIT) certification and ability to obtain a Professional Engineer (PE) license.
Experience in storm drain and water quality design on transportation projects (highways, roads, bridges, or related infrastructure).
Proficiency with MicroStation, OpenRoads Designer, and/or Civil 3D in a production design environment.
Strong verbal and written communication skills, including the ability to clearly document analyses and present findings to internal and external stakeholders.
Ability to work both independently and as part of a collaborative team, taking ownership of assigned tasks and deliverables.
Ability to work in the Denver office a minimum of two to three days per week.

Nice To Haves

Professional Engineer (PE) license (or ability to obtain in the near term).
Experience with CAD and related design software used in transportation projects (Bentley and/or Autodesk). [2]
Working knowledge of standard DOT/FHWA drainage, hydraulic, and hydrology standards and practices.
Experience with hydraulic/hydrologic modeling tools such as: SWMM Modeling (EPA‑SWMM, XP‑SWMM, InfraWorks, PC‑SWMM) StormCAD HEC‑RAS HEC‑HMS ArcMap / GIS
Experience writing drainage reports for transportation projects.
Experience leading drainage design on complex or multi‑discipline projects.
Experience on Alternative Project Delivery (APD) projects (design‑build, CM/GC).

Responsibilities

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.
Manage and delegate daily tasks to junior engineers, providing mentorship and guidance on standard engineering practices and use of CAD drainage modeling software.
Coordinate with roadway, structural, utilities, environmental, and other disciplines to deliver integrated project designs.
Lead the drainage design effort for local projects as well as segments of larger alternative project delivery projects (design‑build, CM/GC).
Implement and champion QA/QC standard practices to ensure high‑quality, buildable designs.
Interface directly with clients to address review comments, resolve design issues or constraints, and present technical findings.
Support proposal efforts and business development activities by contributing technical write‑ups, level‑of‑effort estimates, and innovative design approaches.