Senior - Principal Engineer - Water Systems & Water Supply Planning
Listed on 2026-07-07
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Engineering
Environmental Engineer, Water Engineer, Water Management
Who We Are:
West Yost is a water resource management and engineering firm focused exclusively on water. Since our founding in 1990, we have partnered with public agencies including cities, counties, utilities, and water districts to plan, design, and deliver water, wastewater, and stormwater solutions that support safe, reliable, and resilient communities.
Our team of more than 260 professionals brings together expertise in groundwater, water supply, treatment, infrastructure, recycled water, stormwater, construction management, and operations technology. We support projects from early planning and permitting through design and construction and complement our engineering services with program management and public outreach to help clients move work forward and engage their communities.
Compensation range: $119,040 to $192,420. Based on our Irvine, CA office location. (West Yost uses geographic salary differentials that would apply for candidates in other regions).
LOCATION(s):
We will consider any of our CA or OR office locations. ()
- Principal Engineer
- Water Systems & Water Supply Planning
The Senior
- Principal Engineer role will contribute to the development of the firm’s Water Business Sector (which encompasses water system, water resource, stormwater, recycled water, and collection system planning). Previous experience with Water System Planning/Hydraulic Modeling is required. Candidates with a desire to develop their career toward technical leadership, client service management, and/or regional/sector management are ideal.
- Serving as a technical leader in water distribution system hydraulic evaluations utilizing a variety of commercial hydraulic modeling software programs (e.g., Info Water Pro, Open Flows WaterGEMS, Aquanuity, etc.).
- Working as part of teams on projects throughout California and Oregon with an emphasis on Southern California-based projects and clients.
- Analyzing water use, population, water quality, and facilities condition data.
- Evaluating water supply availability.
- Developing water supply and water system capital improvement programs.
- Preparing technical reports and master plans.
- Serving as a project manager directing the hydraulic modeling and master planning work of senior level, as well as other staff engineers.
- Providing QA/QC review on the work of others in the water planning team.
- Interacting directly with clients and providing excellent client service.
- Assisting with marketing activities and proposal development when needed.
- Bachelor’s degree in Civil/Environmental Engineering.
- 10+ years of experience with Water System Planning and Hydraulic Modeling.
- Excellent verbal and written communication skills.
- Experience with CAD, GIS, and hydraulic modeling software (e.g., Info Water Pro).
- PE licensure in the State of California. PE licensure in other states in which the firm is actively practicing may also be considered.
- Master’s degree in Civil/Environmental Engineering.
- Proven ability to manage multiple priorities and deadlines.
- Ability to process accurate engineering calculations unaided and prepare reports.
- Proven ability to summarize technical information using appropriate grammar, punctuation and spelling for concise reader-friendliness and clarity.
- Experience with direct client interaction and proposal writing.
- High proficiency with Info Water PRO; experience with Aquanuity software.
- Maintaining professional competency may require attending education classes and seminars, reading professional publications, and attending professional society meetings.
- This position may require out-of-office travel with occasional evening and overnight assignments.
- Professional Engineer.
This position may require travel to other offices and/or client offices.
Standard BenefitsWe provide a comprehensive array of valuable benefits to protect your health, your family, and your way of life. Benefits include medical, dental, vision, flexible spending accounts, health saving accounts (with West Yost contribution), paid vacation, paid sick leave and holidays, two employee assistance programs, travel…
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