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Principal Engineer – Treatment

Job in Sacramento, Sacramento County, California, 95828, USA
Listing for: West Yost
Full Time position
Listed on 2026-09-10
Job specializations:
  • Engineering
    Environmental Engineer, Water Management, Water Engineer, Civil Engineering
Salary/Wage Range or Industry Benchmark: 140300 - 180915 USD Yearly USD 140300.00 180915.00 YEAR
Job Description & How to Apply Below

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.

We are proud to be certified as a Great Place to Work®, and to be recognized among Fortune’s® Best Workplaces in Consulting and Professional Services from 2023 to 2025, as well as a top-ranked firm in the AEC Advisors Diversity Index. At West Yost, we are committed to being the water firm of choice for our clients and our team, advancing water resources for future generations through strong partnerships, practical solutions, and a shared commitment to quality.

Compensation

Range: $140,300 - $180,915. Based on our Lake Oswego, OR office location.

(West Yost uses geographic salary differentials that would apply for candidates in other regions).

Status:
Full-time, Exempt

Location:

Can sit in our Lake Oswego, OR, Sacramento, CA, or Concord, CA office locations. () This is a Hybrid role with 3 days in the office and 2 days remote. Principal Engineer – Treatment

The Principal Engineer in Treatment Group is responsible for engaging with clients and staff on technical issues associated with the planning and design of water and/or wastewater treatment and recycled water system projects. This includes business development and proposal writing along with managing and engaging in project work from project planning stages, preliminary design, design, and support services during construction.

The candidate we are seeking will have the desire to drive our capabilities to new heights by working directly with clients and team members. This leader would have strong experience in capturing and delivering projects, developing and/or nurturing client relationships, and mentoring and managing staff. This position will provide valuable support to the Treatment Business Sector Manager.

Other duties include:
  • Lead engineering designs, preparing reports, construction drawings, specifications, and calculations for various projects. Review project designs and drawings for compliance with engineering principles, firm standards, regulatory compliance, customer contract requirements, and related specifications.
  • Establish and foster client relations and develops proposals and budgets. Meet with clients to determine recommended project scope and estimate staffing requirements and fee.
  • Develop and maintain client contact before, during, and after project completion. Cultivate client relationships through organizational involvement and by direct contact.
  • Use technical knowledge to develop technical studies/reports and designs for water and/or wastewater treatment and recycled water systems.
  • Maintain four-month workload projections for all projects under personal management. Work closely with other engineers and managers to balance workload demands amongst current staff.
  • Make recommendations to senior management as to additional staff and resource needs. Assign staff and other resources, working with other managers to balance overall company workload and best utilize personnel.
  • Prepare and conduct technical review of staff, reports, correspondence,…
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