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Commission Reverse Osmosis Engineer Jobs in California

Parsons

Wastewater Treatment Process Engineer

Pasadena, CA · On-site +1

$74K - $130K/yr

... reverse osmosis desalination and brackish water treatment, UV, Ozone and other advanced water and wastewater treatment processes. * Primary responsibility will be providing process engineering ...

Avecia Pharma

ENG Staff Facilities, HY

Oceanside, CA · On-site

$127 - $150/hr

We offer complete membrane solutions like reverse osmosis, nanofiltration, ultrafiltration and ... Under general supervision, plan, develop, and execute major ($500k+) complex engineering ...

Diality Inc

Director, Software Engineering

Irvine, CA · On-site

$223K - $260K/yr

... fully integrated reverse osmosis (RO) water filtration system to provide a broad range of ... engineer contractors. * Familiarity with cloud-connected medical device systems, mobile ...

Nitto Denko Corp.

ENG Staff Facilities, HY

Oceanside, CA · On-site

$127K - $150K/yr

We offer complete membrane solutions like reverse osmosis, nanofiltration, ultrafiltration and ... Under general supervision, plan, develop, and execute major ($500k+) complex engineering ...

Diality Inc

Clinical Validation Engineer

Irvine, CA · On-site

$95K - $112K/yr

... fully integrated reverse osmosis (RO) water filtration system to provide a broad range of ... The Clinical Validation Engineer will play a critical role in ensuring that our products are ...

Diality

Director, Software Engineering

Irvine, CA · Hybrid

$223K - $260K/yr

... fully integrated reverse osmosis (RO) water filtration system to provide a broad range of ... engineer contractors. * Familiarity with cloud-connected medical device systems, mobile ...

Nitto Denko Corp.

$127K - $150K/yr

We offer complete membrane solutions like reverse osmosis, nanofiltration, ultrafiltration and ... Under general supervision, plan, develop, and execute major ($500k+) complex engineering ...

Diality

Clinical Validation Engineer

Irvine, CA

$95K - $112K/yr

... fully integrated reverse osmosis (RO) water filtration system to provide a broad range of ... The Clinical Validation Engineer will play a critical role in ensuring that our products are ...

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All JobsReverse Osmosis Engineer JobsCommission Reverse Osmosis Engineer JobsCommission Reverse Osmosis Engineer Jobs in California

Commission Reverse Osmosis Engineer information

What is the difference between Commission Reverse Osmosis Engineer vs Commission Water Treatment Plant Operator?

AspectCommission Reverse Osmosis EngineerCommission Water Treatment Plant Operator
CredentialsEngineering degree, certifications in water treatment and RO systemsHigh school diploma or equivalent, water treatment certifications
Work EnvironmentDesign, installation, and commissioning of RO systems in industrial or municipal settingsOperation and maintenance of water treatment plants on-site
Industry UsageUsed in industries requiring high-purity water, such as pharmaceuticals and food processingUsed in municipal water supply and industrial water treatment facilities

The Commission Reverse Osmosis Engineer focuses on designing, installing, and commissioning RO systems, requiring engineering expertise and specialized certifications. In contrast, the Commission Water Treatment Plant Operator manages daily operations and maintenance of water treatment facilities. Both roles are essential in water treatment but differ in responsibilities, skills, and work environments.

What are the most commonly searched types of Reverse Osmosis Engineer jobs in California?

The most popular types of Reverse Osmosis Engineer jobs in California are:

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For Commission Reverse Osmosis Engineer jobs in California, the most frequently searched job titles are:

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Cities in California with the most Commission Reverse Osmosis Engineer job openings:

Commission Reverse Osmosis Engineer jobs near you
Infographic showing various Commission Reverse Osmosis Engineer job openings in California as of June 2026, with employment types broken down into 15% As Needed, 15% Full Time, 15% Part Time, and 55% Contract. Highlights an 93% Physical, 1% Hybrid, and 6% Remote job distribution.

Wastewater Treatment Process Engineer

Parsons

Pasadena, CA • On-site, Remote

$74K - $130K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 2 days ago

Parsons rating

7.7

Company rating: 7.7 out of 10

Based on 46 frontline employees who took The Breakroom Quiz

262nd of 449 rated engineering

Job description

In a world of possibilities, pursue one with endless opportunities. Imagine Next!At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what's possible.

Job Description:

Parsons is looking for an amazingly talented Wastewater Treatment Process Engineer to join our team! In this role you will get to work with a core group of engineers on studies, designs, and field assignments for clients. This role is based in our Pasadena office but allows for hybrid remote working options in the general Los Angeles area.

RESPONSIBILITIES:

  • Working effectively on water and wastewater engineering capital project teams,as well as other project-related cross-functional teams with representatives from divisions throughout the organization on wastewater projects inclidng conventional wastewater treatment processes, membrane bioreactors (MBR), reverse osmosis desalination and brackish water treatment, UV, Ozone and other advanced water and wastewater treatment processes.
  • Primary responsibility will be providing process engineering services to clients with projects mainly in Southern California but may involve travel to other parts of the State as well. Working with other members of our team, you'll evaluate and select the best treatment approach to solve a client's challenges and design treatment systems and plant improvements.
  • Planning and executing projects, including project approach and resource needs, options analysis, computer modeling, process and equipment design, engineering document development, and system ownership through the project delivery phases of plan, design, procure, construct, and commissioning.
  • Strong technical leadership, collaboration, and sound business value based prioritization and problem solving skills.
  • Travel may be required to meet business needs.

REQUIREMENTS:

  • B.S. in Civil, Environmental Engineering or a related Degree with 5+ years of related work experience in the water and wastewater industry of which involved process design, process performance analysis, or process engineering services for wastewater treatment projects.
  • M.S in Civil or Environmental Engineering is desirable.
  • Professional Engineer (PE) registration is desirable.
  • Experience with municipal wastewater systems is essential
  • A solid knowledge of and experience in wastewater process modeling (e.g., BioWin, etc.) is desirable.
  • Excellent written and oral communications skills, and a familiarity with state-of-the art industry practices and regulations.

Security Clearance Requirement:

NoneThis position is part of our Critical Infrastructure team.For more than 80 years, our experts have designed and delivered the critical infrastructure that connects and protects communities around the world. We work in collaborative teams, both within the company and with our partners and customers, to plan, design, build, and modernize infrastructure. We take special pride in projects and solutions that improve communities as well as people's quality of life by promoting economic growth, enhancing mobility, and increasing sustainability and resiliency. Powered by our people, we provide the imagination necessary to support our customers' visions-and to help them see what's next!Salary Range: $74,800.00 - $130,900.00We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, Employee Stock Ownership Plan (ESOP), 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.We truly invest and care about our employee's wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest-APPLY TODAY!

Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer tohttps://www.parsons.com/fraudulent-recruitment/.

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