New

Senior Hydraulics Engineer

Apex Companies, LLC

401(k)

United States, Idaho, Boise

Nov 12, 2025

Are you highly motivated, hard-working, and seeking to join a growth-focused consulting & engineering firm? Are you looking for a company that will invest in your development and grow your professional skills? If so, consider a career with Apex!

Powered by record sales, extraordinary client retention, strategic acquisitions, and an entrepreneurial spirit, Apex Companies is one of the fastest growing engineering and environmental consulting firms in the US.We were recently recognized by the Zweig Group as one of the fastest growing firms in the AEC industry.We take pride in providing our clients with exceptional service and have earned numerous awards for project excellence. We continue to grow, andwe want you to grow with us.

When you join Forsgren Associates, a newly acquired Apex Company, you won't just be 'going to work'. You'll be helping grow a longstanding business while receiving the recognition and support your commitment to professional growth deserves.

Your Responsibilities as a Sr Hydraulic Engineer:

Lead Hydraulics Engineer for Forsgren's Boise Office
Technical leadership, staff development, workload management, and supervision of less experienced engineers
Project management including scope, schedule, budget coordination, and client relations
1D and 2D Hydraulic and surface water modeling for bridge openings, culverts, and floodplains; bridge scour evaluation and mitigation design; floodplain analysis and permitting; drainage, gravity, and irrigation system modeling and design; and stormwater management analysis considering control of water quantity and quality
Coordination with design team, environmental staff, and regulatory agencies to support the design and permitting process for various projects

What we're looking for:

B.S. in Civil Engineering (or related field)
Professional Engineer (PE) registration in Idaho (or ability to obtain within 6 months)
10+ years of Civil Engineering experience with a focus in hydraulic modeling and design
A strong understanding of hydraulics and hydrology in engineering design, including runoff calculations, open-channel hydraulics including application to bridge hydraulic and scour analysis, culvert design, and detention structure/BMP design principles
Experience in hydraulic modeling using 1D/2D HEC-RAS and SMS SRH-2D
Familiarity with HEC-18, HEC-20, and HEC-23
Experience in HY-8
Experience with FEMA floodplain management, modeling, and permitting (LOMR/CLOMR)
Experience with Aquatic Organism Passage (AOP) desirable

Why you'll love working for us:

Flexible Schedule
Competitive Pay
Medical, Vision, Dental, and HSA
Generous PTO
401K Plan including employer contribution

Apex Job Title: Sr Engineer

Req ID: 10895

We believe in equality for all and celebrate the diversity and differences of our employees, customers, and communities. We do not discriminate based on gender, race or color, ethnicity or national origin, age, disability, religion, sexual orientation, gender identity or expression, veteran status, or any other applicable characteristics protected by law. Apex aims to make apexcos.com accessible to all users. If you have a disability or special need that requires accommodation to navigate our website or complete the application process, please contact Talent@apexcos.com or (301) 417-0200. Likewise, feel free to reach out to us if you would like to view or discuss Apex policy related to equal employment opportunity or have any related concerns. EO/AA/VEV/Disabled Employer

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