Water Reuse Engineer
Brown and Caldwell
Brown and Caldwell (BC) is seeking a Water Reuse Engineer to join our growing Reuse practice and to help our clients increase their environmental sustainability and the resilience of their water supplies. This position is open to a wide range of skill sets, including collaboration with clients to plan their water reuse systems, navigation of the reuse permitting and compliance process to gain regulatory approval, and the development of innovative treatment solutions for the design and implementation of reuse facilities across the West. The ability to conduct analyses, modeling and designs and to produce engineering deliverables like reports, plans, specifications, and recommendations with minimal supervision is critical to the success of this role. You will collaborate with and be mentored by industry leaders who are working on some of the most influential water reuse projects in the world. While the focus will be on water reuse projects, the skill set of the engineer could lead to supporting multiple practice areas including water and wastewater treatment and conveyance, stormwater management, solid and hazardous waste management, and related disciplines. Responsibilities Independently perform technical analyses and evaluate sustainable environmental engineering solutions. Prepare, review, and finalize technical reports, calculations, and design documentation. Design environmental protection systems and infrastructure in accordance with regulatory and project requirements. Develop facility, watershed, or resource management plans with defined scopes and objectives. Analyze complex data sets and ensure technical accuracy and regulatory compliance of deliverables. Provide technical support for permitting, regulatory approvals, and coordination with vendors and stakeholders. Support project execution through collaboration with multidisciplinary teams. Flexibility to adapt and execute various additional assignments based on evolving needs. Additional Project Examples (Aligned with Role Scope): Work closely with clients and project delivery teams in the western US to execute water reuse projects, programs, and studies. Develop into a technical leader on water reuse projects. Assist in developing and preparing process design drawings, specifications, calculations, plans, models, and other technical deliverables for a variety of water reuse projects. Coordinate, advise, and conduct testing of equipment, including established and novel treatment technologies related to water reuse. Collaborate with BC research and innovation on applicable technologies and projects. Read, summarize, and prepare technical reports regarding water quality and regulatory requirements. Evaluate treatment approaches for water quality parameters, including constituents of emerging concern. Prepare and deliver presentations to clients and for internal professional meetings. Provide technical expertise to support business development pursuits and demonstrate a willingness to learn how to lead these types of pursuits. Participate in professional organizations. Mentorship May provide mentorship, guidance, support, and knowledge-sharing to help less experienced team members develop their skills and grow within their roles. Skills and Competencies Proficient knowledge of environmental engineering principles, methods, and regulatory frameworks. Strong analytical and problem-solving capabilities Ability to manage assigned tasks independently and meet project deadlines. Clear and effective communication skills for technical and nontechnical audiences. Experience Typically, a minimum of 5 years of related work experience in Environmental Engineering or related field. Experience in preparation of plans and permit applications for environmental projects. Prior experience in guidance and development of less experienced colleagues. Typically certified in the SMS Framework, and progressing through the SMS competencies. Preferred Experience 7+ years of progressively responsible work experience in the wastewater, drinking water, and/or reuse industry, including familiarity with the following: Water reuse system planning.Water reuse regulations and permitting. Feasibility and conceptual studies of water reuse systems.Facility master planning, modeling, advanced data analysis.Advanced water treatment design.Experience with at least one of the following: Full-scale or pilot plants, including some advanced treatment unit processes such as MBR, MF, RO, UV, ozone, GAC, BAC, or IX. Permitting of water reuse facilities and systems. Development of water reuse planning documents. Experience working and communicating directly with clients. Education A bachelor’s degree in environmental engineering or related field is required. Has achieved or is working towards achieving professional license. Preferred Education A master’s degree in environmental engineering or related field. A Professional Engineer license.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: $95,000 - $129,000Location B: $104,000 - $142,000Location C: $114,000 - $155,000You 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 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.#ACE26Job SummaryRequisition Number: WATER006681Job Category: Engineering \& ArchitectureSchedule: Full-Time
$95k - $129k
Brown and Caldwell (BC) is seeking a Water Reuse Engineer to join our growing Reuse practice and to help our clients increase their environmental sustainability and the resilience of their water supplies. This position is open to a wide range of skill sets, including collaboration...SuggestedTemporary workWork experience placement- 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 facilities...Suggested
- 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... ...on larger water, wastewater, and reuse projects with project managers. You will perform...Suggested
$21 - $26 per hour
...a culture of continuous improvement, we deliver exceptional engineering, environmental consulting, and construction management services... ...reduce energy use and environmental impacts, award-winning water reuse projects, and efficient construction management practices that...SuggestedHourly payInternshipWork at officeWork from home2 days per week- 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...SuggestedLocal area
$114.5k - $166.1k
Communities everywhere share the need for clean water. And as they work to meet that need, they... ...day, we’re helping communities improve, reuse, and protect our world’s most precious... ...seeking a highly motivated Civil/Process Engineer to join our highly successful water team...Full timeContract workTemporary workPart timeFor contractorsCasual workLocal areaFlexible hours$120k - $210k
Drinking Water Process Engineer 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...Work at officeLocal areaWork from home2 days per week$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 timeFlexible hours- ...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 areaRelocation package
- ...Job Description Hazen and Sawyer is seeking a Drinking Water Project Engineer for our Sacramento, California office. As part of our design... ...teams, you will be working on all phases of drinking water / reuse projects. Why Hazen and Sawyer: Founded in 1951 by the...Temporary workImmediate startFlexible hours
$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 payInternshipWork at office$80k - $190k
OverviewCarollo 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...Full timeContract workFor contractorsLocal areaFlexible hours$190.5k - $295.3k
Communities everywhere share the need for clean water. And as they work to meet that need, they... ...day, we’re helping communities improve, reuse, and protect our world’s most precious... ...motivated Principal Water/Wastewater Engineer to join our successful water team in our...Full timeTemporary workPart timeFor contractorsCasual workWork at officeLocal areaFlexible hours$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...- ...Job Title THE most reputable Water/Wastewater Infrastructure and Treatment Civil Consulting firm in the US & Canada 100% employee... ...Bonus Responsibilities Plans, schedules, and executes engineering tasks across a range of project sizes Manages project...Contract workRelocation package
$160k - $175k
...and your professional development. We are looking to add new talent to our growing team! We are currently seeking a Senior Water Resources Engineer or Scientist who is a technical expert in Stormwater Compliance to work in a technical support role with highly skilled...Full timeWork experience placementWork at officeRemote work- ...Haley & Aldrich in California seeks a Senior Water Resources Engineer or Environmental Scientist to lead stormwater compliance projects for municipal and utility clients. The role offers growth within a multidisciplinary team and the chance to shape regulatory strategies...
$120k - $210k
...a culture of continuous improvement, we deliver exceptional engineering, environmental consulting, and construction management services... ...reduce energy use and environmental impacts, award‑winning water reuse projects, and efficient construction management practices that...Work at officeWork from home2 days per week$120k - $210k
...a culture of continuous improvement, we deliver exceptional engineering, environmental consulting, and construction management services... ...reduce energy use and environmental impacts, award‑winning water reuse projects, and efficient construction management practices that...Work at officeWork from home2 days per week$144k - $196k
...Description Job Summary The Environmental Engineering role provides technical expertise while providing advanced leadership in the development... ...protection, mitigation, and sustainability across water, wastewater, stormwater, solid and hazardous waste management,...Temporary workWork experience placement- 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...
- 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... ...a team member on larger water, wastewater, and reuse projects in collaboration with project managers....Contract workFor contractors
- Haley & Aldrich seeks a Senior Water Resources Engineer or Scientist with deep stormwater compliance expertise to join our Oakland/Walnut Creek team. You’ll lead projects for municipal and utility clients, navigating MS4 programs, NPDES permits, and California Water Board...Remote jobFull timeWork at office
- b aysystemsinc seeks a Mechanical Engineer - Water Systems in Berkeley, CA to lead the design, operation, maintenance, reliability, and continuous improvement of cooling water infrastructure for ALS-U and ALS operations. This role requires close coordination with engineering...
- Our client, Lawrence Berkeley National Laboratory, is seeking a Water Systems Engineer to lead the design, operation, reliability, and continuous improvement of critical cooling water and utility systems supporting the Advanced Light Source Upgrade (ALS-U), a major modernization...Full timeFor contractors
- Preferred Qualifications: Bachelor's degree in Mechanical Engineering or closely related discipline. Minimum 5 years of experience designing and/or maintaining industrial or facility water systems. Specific knowledge of the design, operation, and maintenance of Low Conductivity...For contractors
- Bay Systems Consulting Inc. seeks a Mechanical Engineer - Water Systems in Berkeley, CA to lead the design, operation, and upgrade of cooling water systems for ALS-U and ALS facilities. You will develop P&IDs, flow diagrams, hydraulic calculations, and equipment specs...
- Bay Systems Consulting, Inc. (BSC) seeks a senior engineer to lead the design, operation, and maintenance of complex water systems for the ALS-U project and ongoing operations. You will ensure reliability and safety through engineering analysis, procurement oversight,...
- ...reliability, and continuous improvement of industrial and facility water systems, including cooling water, low-conductivity/deionized... ...calculations, equipment specifications, process designs, and engineering documentation . Design and specify pumps, heat exchangers, filtration...For contractors
- 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...
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