Posted Nov 2, 2026

Wastewater Process and AI Engineer

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Brown and Caldwell (BC), a leading environmental engineering firm, is seeking a Wastewater Process and AI Engineer to help advance innovation and digital transformation in wastewater treatment. This unique role combines wastewater process engineering expertise with hands-on application of artificial intelligence (AI), machine learning (ML), advanced process modeling, digital twins, and process optimization to solve real-world treatment challenges. Working closely with the Director of Technical Delivery, Innovation and Transformation, the successful candidate will help develop, test, and implement innovative solutions that improve treatment performance, operational efficiency, reliability, and decision-making. The role is intended for an engineer who is equally comfortable understanding treatment processes and data, developing new technical solutions, and working with project teams and utility clients to move those solutions from concept into practical application.

Responsibilities

Mentorship

Skills and Competencies

Experience

Preferred Experience

Education

Preferred Education

Salary Range: The anticipated starting pay range for this position is based on the employee’s primary work location and may be more or less depending upon skills, experience, and education.  These ranges may be modified in the future.  

Location A: $78,000 - $106,000
Location B: $85,000 - $116,000
Location C: $93,000 - $127,000

You can view which BC location applies to you here. If you have any questions, please speak with your Recruiter. 

Benefits and Other Compensation:  We provide a comprehensive benefits package that promotes employee health, performance, and success which includes medical, dental, vision, short and long-term disability, life insurance, an employee assistance program, paid time off and parental leave, paid holidays, 401(k) retirement savings plan with employer match, performance-based bonus eligibility, employee referral bonuses, tuition reimbursement, pet insurance and long-term care insurance. Click here to see our full list of benefits. 

About Brown and Caldwell  

Headquartered in Walnut Creek, California, Brown and Caldwell is a full-service environmental engineering and construction services firm with 50 offices and over 2,100 professionals across North America and the Pacific. For more than 75 years, we have created leading-edge environmental solutions for municipalities, private industry, and government agencies. We strive to be the company of choice—to our clients, who benefit from our passion for delivering exceptional quality, and to our employees, present and future, who share our commitment to client service, collaboration, and innovation. Join us, and you will find a home where you can do your best work, reach new levels of expertise, and enjoy exceptional development opportunities. For more information, visit www.brownandcaldwell.com 

Learn more about our work:

Climate Change and Resilience - Brown and Caldwell

Data Center Water - Brown and Caldwell

Emerging Contaminants and PFAS - Brown and Caldwell

Digital Solutions - Brown and Caldwell

News - Brown and Caldwell

Projects - Brown and Caldwell

Industrial Water - Brown and Caldwell

This position is subject to a pre-employment background check and a pre-employment drug test.  

Notice to Third Party Agencies: Brown and Caldwell does not accept unsolicited resumes from recruiters or employment agencies. In the event a recruiter or agency submits a resume or candidate without a previously signed agreement and approved engagement request with Brown and Caldwell, Brown and Caldwell reserves the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency.   

Brown and Caldwell is proud to be an EEO/AAP Employer. Brown and Caldwell encourages protected veterans, individuals with disabilities, and applicants from all backgrounds to apply. Brown and Caldwell ensures nondiscrimination in all programs and activities in accordance with Title VI of the Civil Rights Act.

Bachelor's degree in environmental, civil, chemical, mechanical, or biological engineering or equivalent; 2+ years process engineering experience; proficiency in data analysis tools; Python programming for AI/ML; process modeling platforms.

Key Responsibilities

Skills & Tools

Python, BioWin, GPS-X, SUMO, WEST

Job Details

Benefits

About Brown and Caldwell

A full-service environmental engineering and construction services firm with 50 offices across North America and the Pacific. — Industry: Consulting Services