Water Resource Recovery (Wastewater) Process Engineer

Water At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.

Your impact

We challenge what is currently accepted, so we can shape innovative and lasting solutions for tomorrow. If you’re interested in a long and rewarding career working with the #1 globally ranked wastewater treatment engineering firm, and with the industry’s best and most innovative engineers, then Jacobs is where you belong. We are looking for a driven and curious client-focused Water Resource Recovery (Wastewater) Process Engineer in Southern California to support our regional teams.  

As a Water Resource Recovery Engineer in our Irvine, CA office, we'll expect you to:   

• Working understanding of conventional and advanced processes within the water resource recovery . This includes experience with liquids (preliminary treatment, primary treatment, biological nutrient removal, etc.) and residuals management (e.g., biosolids processing, digestion, sidestream treatment, etc.).
• Have experience with process modeling, hydraulic modeling, and cost estimating.
• Contribute and lead multi-disciplinary teams to deliver world class projects including preliminary engineering studies, detailed design, and process optimization.
• Work with our global water resource recovery team on cutting-edge research, optimization, and design projects.
• Desire to grow within the California and build strong client relationships to assist with business development.
• Work directly with clients on the projects and tasks that you are leading, developing long-term client relationships.

Here's what you'll need

• Bachelor of Science in Civil, Environmental, or Chemical Engineering or related engineering field
• A minimum of 3 years of experience in the evaluation, design, and optimization of water resource recovery facilities and related construction activities.

Ideally, you'll also have:

• Master’s degree or PhD in Environmental or Chemical Engineering or other related engineering discipline 
• Professional Engineering (PE) license in California

Posted Salary Range: Minimum

97,700.00

Posted Salary Range: Upper

185,000.00

Our health and welfare benefits are designed to invest in you, and in the things you care about. Your health. Your well-being. Your security. Your future. Employees have access to medical, dental, vision, and basic life insurance, a 401(k) plan, and the ability to purchase company stock at a discount. Eligible employees may also enroll in a deferred compensation plan or the Executive Deferral Plan. Jacobs has an unlimited U.S. Personalized Paid Time Off (PPTO) policy for full-time salaried/exempt employees, seven paid holidays, and caregiver leave. And certain roles may be eligible for additional rewards, including merit increases, performance discretionary bonus, and stock.

The base salary range for this position is $97,700.00 to $185,000.00. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. Job posted on June 30, 2026. This position will be open for at least 3 days.

We value collaboration and believe that in-person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.

Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support .

Locations

City State Country
Irvine	California	United States