Hydrologic & Hydraulic (H&H) Engineer

Zephyr U A S • Orange, CA

18h

About The Position

As a Hydrologic and Hydraulic (H&H) Engineer, you will be key to our design team, leading drainage design, water resources engineering, and hydraulic modeling for complex rail projects, especially for Class I railroads, commuter rail, and transit authorities. You'll create engineering solutions, prepare technical reports, support permitting, and collaborate across teams. Your duties include technical analyses, developing drainage solutions, producing detailed reports, designing stormwater systems, and ensuring project compliance with regulations.

Requirements

• Bachelor’s degree in civil or environmental engineering (or a related field).
• A minimum of 5 years of H&H experience, with at least 7 years in Class I railroads (such as UPRR, BNSF, NS, and CSX), commuter rail, or light rail transit projects.
• A California Engineer-in-Training (EIT) is mandatory, and having a California Professional Engineer (P.E.) license is highly preferred.
• Proficiency with H&H modeling tools and familiarity with MicroStation and/or AutoCAD.
• Working knowledge of railroad drainage standards, FEMA guidelines, and relevant permitting processes.
• Authorized to work in the U.S.

Nice To Haves

• A California Professional Engineer (P.E.) license is highly preferred.

Responsibilities

• Perform hydrologic and hydraulic analyses using tools such as HEC-RAS (1D/2D), HEC-HMS, HY-8, and CivilStorm.
• Design stormwater systems, culverts, channel improvements, and erosion control measures for rail infrastructure.
• Conduct floodplain assessments and support FEMA submittals and USACE Section 404 permit applications.
• Prepare drainage reports, technical memoranda, and plan sets in coordination with project teams.
• Support QA/QC efforts and mentor junior staff as needed.
• Interface with clients, Class I railroads, public agencies, and municipalities.

Benefits

• Medical, Dental, and Vision Insurance - 100% employer-paid for employees; 50% for dependents.
• Retirement - 401K with employer match
• Paid Vacation
• Paid Holidays
• Paid Sick Time

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level