• Hydraulics Engineer

    Adecco US, Inc. (Waipahu, HI)


    Hydraulics Engineer – FEMA / HEC‑RAS / Floodplain Management

     

    Salary Range: **$90,000 – $140,000 DOE**

     

    Build Hawaiʻi’s Future with an Award-Winning Leader

     

    My client is a #1-ranked, 100% employee-owned AEC firm shaping the state’s most iconic projects.

     

    Join a team where your work powers airports, renewable energy, and infrastructure that defines tomorrow.

    Job Description

    As a Hydraulics Engineer, you will lead the planning, analysis, and design of stormwater management systems, floodplain studies, and drainage infrastructure. You’ll collaborate with civil engineers, environmental specialists, and planners to design solutions that protect communities and infrastructure from flooding and extreme weather events. Your expertise will support permitting processes, FEMA compliance, and resilience strategies across Hawaiʻi’s most complex public and private projects.

    Key Responsibilities

    + Perform advanced hydrologic and hydraulic modeling (HEC‑RAS, HEC‑HMS) for flood risk studies, channel analysis, and drainage design.

    + Prepare Flood Insurance Rate Map (FIRM) updates, floodplain delineations, and FEMA submissions.

    + Lead the design of stormwater infrastructure, detention basins, and erosion control systems.

    + Conduct field inspections and assessments to validate hydraulic models.

    + Write and review technical reports, calculations, and environmental documentation.

    + Provide guidance to junior engineers and coordinate with cross-functional project teams.

    Requirements

    + Degree: BS in Civil, Environmental, or Water Resources Engineering (MS preferred).

    + Experience: 5–8 years of experience in hydrology, floodplain engineering, or water resources.

    + Licensure: PE in Hawaiʻi or ability to obtain within 12 months.

    + Technical Skills: HEC‑RAS, HEC‑HMS, SWMM, AutoCAD Civil 3D, FEMA floodplain regulations, and drainage design.

    + Strong technical writing, problem-solving, and project management skills.

    Why Top Talent Joins This Team

    + Impactful Work: Protect communities with cutting-edge water resource solutions.

    + Employee-Owned Culture: Directly share in the success of projects.

    + Career Growth: Access to leadership roles, mentorship programs, and continuing education.

     

    Named #1 Best Place to Work in Hawaiʻi (2025) for outstanding workplace culture

     

    Ready to take your career to the next level? Join a team that combines award-winning culture, employee ownership, and high-profile projects that make a real difference across Hawaiʻi. If you’re passionate about innovation, collaboration, and building a legacy, we’d love to hear from you.

     

    Apply today and shape the future with us!

     

    **Pay Details:** $90,000.00 to $140,000.00 per year

     

    Equal Opportunity Employer/Veterans/Disabled

     

    To read our Candidate Privacy Information Statement, which explains how we will use your information, please navigate to https://www.adecco.com/en-us/candidate-privacy

    The Company will consider qualified applicants with arrest and conviction records in accordance with federal, state, and local laws and/or security clearance requirements, including, as applicable:

    + The California Fair Chance Act

    + Los Angeles City Fair Chance Ordinance

    + Los Angeles County Fair Chance Ordinance for Employers

    + San Francisco Fair Chance Ordinance