Hydrology & Hydraulics Design Engineer
Hydrology & Hydraulics (H&H) Design Engineer
Location: Orange, California
Employment Type: Full-Time
Seniority: Mid-Senior Level (PE Preferred)
About the Role
We are seeking a Hydrology & Hydraulics (H&H) Design Engineer to support stormwater, drainage, and water resources projects in Southern California. Responsibilities include hydrologic and hydraulic modeling, stormwater system design, culvert and channel improvements, and floodplain assessments.
Key Responsibilities
- Conduct hydrologic and hydraulic modeling using HEC‑RAS, HEC‑HMS, HY‑8, SRH‑2D, and related tools.
- Design stormwater systems, detention basins, culverts, channels, and erosion control features.
- Prepare drainage reports, design calculations, modeling summaries, and construction plan sets.
- Support floodplain analysis, FEMA documentation, and permitting requirements.
- Collaborate with multidisciplinary teams to ensure integrated design across project components.
- If licensed, perform PE review and stamping and mentor junior engineers.
Qualifications
- Bachelor's degree in Civil, Environmental, or Water Resources Engineering (Master's preferred).
- California PE license preferred
- Minimum three years of experience in hydrology, hydraulics, stormwater design, or water resources work.
- Proficiency with modeling tools such as HEC‑RAS, HEC‑HMS, HY‑8, Civil 3D, MicroStation, and/or GIS.
- Strong written and verbal communication skills.
- Familiarity with FEMA, Caltrans, or USACE design standards.
Compensation
Salary: $110,000 - $160,000
Why Join Us
- Opportunity to support critical water infrastructure and flood mitigation projects across Southern California.
- Collaborative, growth-focused team environment.
- Exposure to a diverse portfolio of hydrologic and hydraulic design work.
FAQs
Congratulations, we understand that taking the time to apply is a big step. When you apply, your details go directly to the consultant who is sourcing talent. Due to demand, we may not get back to all applicants that have applied. However, we always keep your CV and details on file so when we see similar roles or see skillsets that drive growth in organisations, we will always reach out to discuss opportunities.
Yes. Even if this role isn’t a perfect match, applying allows us to understand your expertise and ambitions, ensuring you're on our radar for the right opportunity when it arises.
We also work in several ways, firstly we advertise our roles available on our site, however, often due to confidentiality we may not post all. We also work with clients who are more focused on skills and understanding what is required to future-proof their business.
That's why we recommend registering your CV so you can be considered for roles that have yet to be created.
Yes, we help with CV and interview preparation. From customised support on how to optimise your CV to interview preparation and compensation negotiations, we advocate for you throughout your next career move.