Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Drinking Water Process Engineer

$97k - $194k

Kennedy Jenks

Founded in 1919, KJ has always looked to the future. With a talented team of professionals and a culture of continuous improvement, we deliver exceptional engineering, environmental consulting, and construction management services, with a focus on innovation and sustainability. Using advanced analytics, technology, and tools, KJ improves designs, reduces risk, and finds better ways to deliver projects from planning through construction. KJ is at the forefront of developing sustainable solutions for clients, including green infrastructure design, strategies to reduce energy use and environmental impacts, award-winning water reuse projects, and efficient construction management practices that ensure quality, safety, and on-time delivery. We are known for our dedication to industry-leading client service and tailored solutions.

Kennedy Jenks is seeking a Drinking Water Process Engineer in California to support treatment, reuse, and advanced purification projects for clients across local and national markets.

In this role, you will apply technical knowledge to complex water challenges, support project delivery, and collaborate with experienced engineers and multidisciplinary teams.

You'll help evaluate treatment approaches, prepare technical deliverables, support facility planning, and advance sustainable water solutions for Kennedy Jenks clients.

What You'll Do

As a Drinking Water Process Engineer , you'll support technical analysis, project delivery, client coordination, and process improvement.

  • Evaluate treatment approaches: Assess municipal drinking water treatment, water reuse, and advanced purification processes, including evaluation, selection, engineering studies, and operations optimization.
  • Support pursuits and delivery: Partner with project teams and client service managers during pursuits, interviews, technical discussions, and project execution, including contributions to treatment process innovations, technical approaches, and scope development.
  • Advance planning, studies, and research: Contribute to feasibility studies, facility planning, pilot testing, and related technical evaluations, and collaborate with the Applied Research Group on water quality and treatment research.
  • Support municipal and industrial treatment work: Collaborate with municipal and private sector water treatment staff on projects related to water quality, industrial water treatment, and treatment process improvement.
  • Prepare technical deliverables: Develop basis of design reports, preliminary and detailed engineering drawings, specifications, process flow diagrams, and process instrumentation diagrams.
  • Improve facility performance: Identify opportunities to enhance treatment operations, efficiency, and reliability at existing facilities.
  • Collaborate and mentor: Work with senior engineers on technical solutions and provide guidance to less experienced staff.


What Makes This Role Different
  • Meaningful impact: Contribute to projects that help communities deliver safe, reliable, and sustainable water solutions.
  • Varied experience: Work on local and national projects that expose you to a range of treatment challenges, client needs, and technical solutions.
  • Opportunities to grow: Build your technical depth, take on increasing responsibility, and collaborate with experienced engineers who support your development.


What You Bring
  • Relevant experience : Background in drinking water treatment engineering, including process design, system optimization, or operational evaluation.
  • Functional expertise : Knowledge of municipal treatment, reuse, advanced purification, process evaluation, and engineering studies.
  • Stakeholder communication : Ability to communicate clearly with clients, project managers, client service managers, and multidisciplinary teams.
  • Industry engagement : Active participation in water-focused professional organizations, with the ability to submit abstracts and confidently present technical material at regional and national conferences.
  • Analytical thinking and problem-solving : Ability to evaluate alternatives and develop practical engineering recommendations.
  • Technical documentation : Experience preparing basis of design reports, engineering drawings, specifications, process flow diagrams, and process instrumentation diagrams.
  • Writing and collaboration : Strong writing, analytical thinking, and cross-functional collaboration skills.
  • Work style : Collaborative, curious, and growth-oriented, with a willingness to mentor others.


Qualifications
  • Education : BS or MS in Civil, Environmental, Chemical Engineering, or a related discipline.
  • Experience : 5+ years of experience in drinking water treatment engineering.
  • Certifications or licenses : Engineer-in-Training (EIT) or Professional Engineer (PE) license in California; PE preferred or ability to obtain.


Kennedy Jenks supports a healthy work-life balance and utilizes a hybrid model of home and office work, with a minimum of two days per week in the office. This approach empowers our people to thrive, collaborate, and do their best work.

Salary range for this position is expected to be between $97,000 and $194,000, and may vary based upon education, experience, qualifications, licensure/certifications, and geographic location.

Benefits summary: Medical, dental, vision, life and disability insurance; a health savings account; a 401(k); bonus programs; tuition reimbursement; employee ownership opportunity; professional registration support; business travel assistance; competitive paid time off and holidays; an employee assistance program; and additional programs that support your wellbeing and professional growth.

#LI-Hybrid

Kennedy Jenks is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, sex, pregnancy and pregnancy-related conditions, sexual orientation, gender identity, national origin, age, marital status, disability, citizenship status, genetics, protected veteran status, or any other characteristics protected by applicable law.
Vacancy posted 4 days ago
Similar jobs that could be interesting for youBased on the Drinking Water Process Engineer in Walnut Creek, CA vacancy
  • $120k - $210k

    A leading engineering firm is seeking a Drinking Water Process Engineer to join the team in California. This role involves contributing to drinking water treatment projects, evaluating treatment processes, and supporting project teams. Ideal candidates should have a BS... 
    Suggested

    Kennedy Jenks

    Walnut Creek, CA
    5 days ago
  • Kennedy Jenks Consultants in California is seeking a Drinking Water Process Engineer to support treatment, reuse, and advanced purification projects for local and national clients. You will apply technical knowledge to water challenges, support project delivery, and collaborate... 
    Suggested
    Local area

    Kennedy Jenks Consultants

    Walnut Creek, CA
    5 days ago
  •  ...Job Description Job Description Hazen and Sawyer is seeking a Drinking Water Project Engineer for our Sacramento, California office. As part of our design and process teams, you will be working on all phases of drinking water / reuse projects. Why Hazen and Sawyer... 
    Suggested
    Temporary work
    Immediate start
    Flexible hours

    Hazen and Sawyer

    Concord, CA
    26 days ago
  • $114.5k - $166.1k

    Communities everywhere share the need for clean water. And as they work to meet that need, they’re facing new, more complex challenges...  ...s growing Water practice is seeking a highly motivated Civil/Process Engineer to join our highly successful water team in Walnut Creek,... 
    Suggested
    Full time
    Contract work
    Temporary work
    Part time
    For contractors
    Casual work
    Local area
    Flexible hours

    Stantec Consulting International Ltd.

    Walnut Creek, CA
    5 days ago
  • Stantec's Walnut Creek office is seeking a Civil/Process Engineer to work on water, wastewater, and reuse projects. You will perform calculations, draft designs, and contribute to reports, drawings, and specifications while supporting business development and project delivery... 
    Suggested
    Full time
    Work at office

    Stantec

    Walnut Creek, CA
    1 day ago
  • Stantec Consulting International Ltd. in Walnut Creek, California invites a Civil/Process Engineer to join a growing water practice. You will work independently on smaller projects and with teams on larger water/wastewater projects, performing calculations, design sketches... 

    Stantec Consulting International Ltd.

    Walnut Creek, CA
    5 days ago
  • $190.5k - $295.3k

    Communities everywhere share the need for clean water. And as they work to meet that need, they’re facing new, more complex challenges...  ...'s Water practice is seeking a highly motivated Senior Process Engineer to join our highly successful water team working on iconic projects... 
    Full time
    Temporary work
    Part time
    For contractors
    For subcontractor
    Casual work
    Work at office
    Local area
    Flexible hours

    Stantec

    Walnut Creek, CA
    a month ago
  • Brown and Caldwell is seeking a Process Mechanical Engineer to join our Design Services National Mechanical Discipline team. This role focuses on process mechanical design for water and wastewater treatment, piping, aeration, pumping, hydraulics, and pipe supports across... 

    Ultipro

    Walnut Creek, CA
    1 day ago
  • $95k - $129k

    Brown and Caldwell (BC) is seeking a Water Reuse Engineer to join our growing Reuse practice and...  ...of the reuse permitting and compliance process to gain regulatory approval, and the development...  ...work experience in the wastewater, drinking water, and/or reuse industry,... 
    Temporary work
    Work experience placement

    Brown and Caldwell

    Walnut Creek, CA
    5 days ago
  •  ...Client: ~ THE most reputable Water/Wastewater Infrastructure and Treatment Civil Consulting firm in the US & Canada ~100%...  ...and Annual Performance Bonus Responsibilities: Perform engineering work in water and wastewater treatment plants Work on engineering... 
    Local area
    Relocation package

    HireOTS

    Alamo, CA
    4 days ago
  • Black & Veatch is seeking a Civil Engineer Intern for the Water division (Northwest Region). The Summer Intern program offers exposure to diverse water and wastewater projects across multiple locations, including Walnut Creek, CA. No experience is required beyond current... 
    Full time
    Summer work
    Internship
    Summer internship
    Relocation

    Black & Veatch

    Walnut Creek, CA
    2 days ago
  •  ...in Walnut Creek, CA is seeking ambitious achievers for our 2027 Kickstart Internship Program. You will support project teams solving water resources, water quality, wastewater, and water treatment challenges across the United States, with opportunities for field work and... 
    Internship

    Kennedy Jenks

    Walnut Creek, CA
    1 day ago
  • HDR Engineering Inc seeks a Water/Wastewater Engineer in Walnut Creek, CA. Education and Experience Requirements:Master's in Civil or Environmental...  ...projects; water quality analysis; biological treatment processes & systems; physical & chemical treatment processes &... 
    Work at office

    Wilder Wealthy & Wise

    Walnut Creek, CA
    2 days ago
  • Stantec's growing Water practice in Walnut Creek, California is seeking a highly motivated Civil/Process Engineer to join our water team. The role covers independent work on smaller projects and collaboration on larger water, wastewater, and reuse projects with project... 

    Stantec

    Walnut Creek, CA
    2 days ago
  • $21 - $26 per hour

     ...and a culture of continuous improvement, we deliver exceptional engineering, environmental consulting, and construction management services...  ...to reduce energy use and environmental impacts, award-winning water reuse projects, and efficient construction management practices... 
    Hourly pay
    Internship
    Work at office
    Work from home
    2 days per week

    Kennedy Jenks Consultants

    Walnut Creek, CA
    5 days ago
  • $21 - $26 per hour

    Kennedy Jenks Consultants in Walnut Creek, CA invites aspiring engineers to join its 2027 Kickstart Internship Program. You will support project teams across water resources, water quality, wastewater and water treatment, helping with fieldwork, calculations, and design... 
    Weekly pay
    Internship
    Work at office

    Kennedy Jenks Consultants

    Walnut Creek, CA
    5 days ago
  • HDR Engineering Inc seeks a Water/Wastewater Engineer in Walnut Creek, CA. The role involves design and project management for water infrastructure...  ..., with emphasis on water quality analysis and treatment processes. A PE license is required and background checks may apply... 
    Work at office

    Wilder Wealthy & Wise

    Walnut Creek, CA
    2 days ago
  • Your Opportunity Stantec's growing Water practice is seeking a highly motivated Civil/Process Engineer to join our highly successful water team in Walnut Creek, California. The role of a Civil/Process Engineer is to work independently on smaller projects and as a team... 
    Contract work
    For contractors

    Stantec

    Walnut Creek, CA
    2 days ago
  • $115k - $130k

     ...by designing, implementing, optimizing, and continuously improving manufacturing processes What You'll Be Doing: We are looking for a highly detail-oriented Sr. Process Engineer to assist in development, control, and documentation of food manufacturing process... 
    Work at office
    Remote work
    Weekend work

    Kinders

    Walnut Creek, CA
    2 days ago
  • $120k

     ...What You'll Be Doing Job Scope: Generally responsible for performing complete design of less complex process engineering assignments. Assists in the design of larger and more complex chemical/process engineering assignments. This work will be performed under close... 

    Hargrove Engineers and Constructors

    Concord, CA
    4 days ago
  •  ...Description Job Description Client: ~ THE most reputable Water/Wastewater Infrastructure and Treatment Civil Consulting firm in...  ...Bonus Responsibilities: Plans, schedules, and executes engineering tasks across a range of project sizes Manages project... 
    Contract work
    Relocation package

    HireOTS

    Alamo, CA
    a month ago
  • $104.2k - $170.7k

     ...Overview Carollo Engineers is a leading engineering firm dedicated exclusively to water. For over 90 years, we've specialized in the planning, design, and construction of water, wastewater, stormwater, and reuse facilities, bringing innovative and sustainable solutions... 
    Part time
    Flexible hours

    Carollo Engineers

    Walnut Creek, CA
    3 days ago
  • $78k - $106k

     ...Caldwell (BC), a leading, employee-owned environmental engineering firm, is currently seeking a Process Mechanical Engineer to join our Design Services...  ...strength in process mechanical engineering design of water and wastewater treatment processes, process piping systems... 
    Contract work
    Temporary work
    For contractors

    Brown and Caldwell

    Walnut Creek, CA
    5 hours ago
  • Brown and Caldwell, headquarted in Walnut Creek, CA, seeks a Water Reuse Engineer to join our growing Reuse practice. You will collaborate...  ...with clients to plan water reuse systems, navigate permitting processes, and develop innovative treatment solutions for reuse... 

    Brown and Caldwell

    Walnut Creek, CA
    5 days ago
  •  ...Environmental Engineering Role The Environmental Engineering role provides technical expertise while providing advanced leadership in...  ...environmental protection, mitigation, and sustainability across water, wastewater, stormwater, solid and hazardous waste management,... 
    Temporary work
    Work experience placement

    Brown and Caldwell

    Walnut Creek, CA
    4 days ago
  • Brown and Caldwell, based in Walnut Creek, CA, seeks an Environmental Engineering leader with deep technical expertise to guide complex projects across water, waste, and regulatory domains. This role shapes strategies, standards, and best practices with autonomy. The candidate... 

    Miningamigos

    Walnut Creek, CA
    2 days ago
  •  ...Company Description CRB is a leading provider of sustainable engineering, architecture, construction and consulting solutions to the...  ..., creativity and execution. Job Description The Process Engineer IV serves as a senior technical leader within the Process... 
    Local area

    CRB

    Emeryville, CA
    3 days ago
  •  ...Company Description CRB is a leading provider of sustainable engineering, architecture, construction and consulting solutions to the...  ..., creativity and execution. Job Description The Process Engineer III is responsible for leading the design for a defined... 

    CRB

    Emeryville, CA
    1 day ago
  • $90k - $150k

     ...Process Engineer Berkeley and Menlo Park AttoTude is at the forefront of revolutionizing data centers through advanced interconnect technology based on wired THz transceivers. By adapting the fiber from photonics and advancing today's ASICs to THz, our innovative... 

    Attotude

    Berkeley, CA
    1 day ago
  •  ...Details: PTS Advance is looking for a Process/Chemical engineer for 3+ month contract assignment in Martinez, CA. This position will assist in planning and executing turnarounds, including scope development and post-event evaluations. Process... 
    Daily paid
    Contract work
    Local area
    Immediate start

    Jobs - PTS Advance

    Martinez, CA
    3 hours ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Drinking Water Process Engineer. Be the first to apply!