Principal Engineer – Water Treatment

West Yost is hiring a Principal Engineer – Water Treatment in Irvine, Orange County, US. Lead design and delivery of innovative water treatment projects for public agencies, leveraging over 30 years of industry expertise.

Key Responsibilities

• Lead the planning, design, and implementation of water treatment facilities, ensuring compliance with regulatory standards.
• Manage multidisciplinary project teams, mentor junior engineers, and coordinate with clients, contractors, and regulatory bodies.
• Develop technical specifications, cost estimates, and construction documents for treatment processes such as filtration, disinfection, and advanced oxidation.
• Perform feasibility studies, hydraulic modeling, and performance testing to optimize system efficiency.
• Oversee project schedules, budgets, and quality control to deliver on time and within scope.
• Stay current with emerging water treatment technologies and integrate sustainable practices.

Required Qualifications

• Bachelor’s degree in Civil, Environmental, or Chemical Engineering (Master’s preferred).
• Professional Engineer (PE) license in California.
• Minimum 10 years of progressive experience in water treatment design and project management.
• Proven track record delivering large‑scale water or wastewater treatment projects for municipalities or utilities.
• Strong knowledge of EPA, State Water Resources Control Board, and local regulations.
• Excellent communication, client‑facing, and leadership skills.

What We Offer

• Competitive salary: $121,912.47 annually.
• Comprehensive benefits package including health, dental, vision, and retirement plans.
• Opportunities for professional growth within a 260‑person engineering firm.
• Collaborative environment focused on sustainable water solutions.

Frequently Asked Questions

What experience is needed for the Principal Engineer – Water Treatment position?

At least 10 years of water treatment design and project management experience, a PE license in California, and a relevant engineering degree.

What is the salary for this role?

The position offers a fixed annual salary of $121,912.47.

Where is the job located?

The role is based in Irvine, Orange County, California, USA.