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Weekend Reverse Osmosis Engineer Jobs (NOW HIRING)

The Application Engineer (AE) supports CECO Environmental's Industrial Water (IW) platform and ... Create and Develop RO (Reverse Osmosis), instrumentation and control designs according to specified ...

The Application Engineer (AE) supports CECO Environmental's Industrial Water (IW) platform and ... Create and Develop RO (Reverse Osmosis), instrumentation and control designs according to specified ...

The Application Engineer (AE) supports CECO Environmental's Industrial Water (IW) platform and ... Create and Develop RO (Reverse Osmosis), instrumentation and control designs according to specified ...

The Application Engineer (AE) supports CECO Environmental's Industrial Water (IW) platform and ... Create and Develop RO (Reverse Osmosis), instrumentation and control designs according to specified ...

Power Plant - Oper Eng I

Rahway, NJ · On-site

$39.72 - $49.90/hr

... Reverse Osmosis (RO) water for proper chemistry • Under the supervision of the Watch Engineer observes and operates 900#, 135# steam boilers, steam turbines and their auxiliaries. • Must have a ...

... Reverse Osmosis (RO) water for proper chemistry- Under the supervision of the Watch Engineer observes and operates 900#, 135# steam boilers, steam turbines and their auxiliaries.- Must have a ...

... Reverse Osmosis (RO) water for proper chemistry Under the supervision of the Watch Engineer observes and operates 900#, 135# steam boilers, steam turbines and their auxiliaries. Must have a thorough ...

... Reverse Osmosis (RO) water for proper chemistry Under the supervision of the Watch Engineer observes and operates 900#, 135# steam boilers, steam turbines and their auxiliaries. Must have a thorough ...

... Reverse Osmosis (RO) water for proper chemistry- Under the supervision of the Watch Engineer observes and operates 900#, 135# steam boilers, steam turbines and their auxiliaries.- Must have a ...

Technical Sales

Valencia, CA · On-site

$93.90K - $121.50K/yr

... engineering experience * Bachelor's degree (Mechanical, Chemical, Environmental preferred) or 5+ years in Water/Wastewater * Knowledge of adsorption, filtration, ion exchange, reverse osmosis

Technical Sales

Valencia, CA

$93.90K - $121.50K/yr

... engineering experience * Bachelor's degree (Mechanical, Chemical, Environmental preferred) or 5+ years in Water/Wastewater * Knowledge of adsorption, filtration, ion exchange, reverse osmosis

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Weekend Reverse Osmosis Engineer information

See salary details

$82K

$136.3K

$195K

How much do weekend reverse osmosis engineer jobs pay per year?

As of May 30, 2026, the average yearly pay for weekend reverse osmosis engineer in the United States is $136,286.00, according to ZipRecruiter salary data. Most workers in this role earn between $89,000.00 and $178,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Weekend Reverse Osmosis Engineer, and why are they important?

To thrive as a Weekend Reverse Osmosis Engineer, you need a solid understanding of water treatment processes, mechanical systems, and a degree or certification in chemical, environmental, or mechanical engineering. Familiarity with SCADA systems, water quality testing equipment, and maintenance management software is typically required. Strong problem-solving abilities, attention to detail, and effective communication skills set top performers apart in this role. These skills are crucial for ensuring the safe, efficient, and reliable operation of reverse osmosis systems during critical weekend shifts.

What does a typical weekend shift look like for a Reverse Osmosis Engineer, and how does it differ from weekday operations?

As a Weekend Reverse Osmosis Engineer, your shifts usually involve monitoring the water treatment systems, conducting routine maintenance, and troubleshooting any issues that arise to ensure continuous operation. Weekend shifts often require greater autonomy, as staffing levels may be lower than during the week, making strong problem-solving skills essential. You may also be responsible for documenting system performance and coordinating with remote support teams if complex issues occur. This hands-on role provides an excellent opportunity to develop technical expertise and gain leadership experience in a critical operations environment.

What is a Weekend Reverse Osmosis Engineer?

A Weekend Reverse Osmosis Engineer is a specialized technician or engineer responsible for monitoring, maintaining, and troubleshooting reverse osmosis (RO) water filtration systems during weekend shifts. Their work ensures continuous operation and water quality compliance, often in industrial, municipal, or commercial facilities. Duties typically include conducting system checks, performing routine maintenance, adjusting system parameters, repairing equipment, and documenting performance data. Weekend shifts are essential for facilities that require 24/7 water treatment, minimizing downtime and addressing issues promptly outside regular hours.

What is the difference between Weekend Reverse Osmosis Engineer vs Weekend Water Treatment Technician?

AspectWeekend Reverse Osmosis EngineerWeekend Water Treatment Technician
CertificationsOSHA safety training, technical certifications in RO systemsOSHA safety training, general water treatment certifications
Work EnvironmentIndustrial facilities, water treatment plantsMunicipal water plants, industrial sites
Job ResponsibilitiesMaintaining, repairing, and optimizing reverse osmosis systemsOperating, monitoring, and maintaining water treatment equipment

The Weekend Reverse Osmosis Engineer specializes in maintaining and repairing reverse osmosis systems, requiring specific technical certifications. In contrast, the Weekend Water Treatment Technician handles broader water treatment equipment, often in municipal settings. Both roles involve safety training and work in water industry environments, but the engineer's focus is more technical and system-specific.

More about Weekend Reverse Osmosis Engineer jobs
What cities are hiring for Weekend Reverse Osmosis Engineer jobs? Cities with the most Weekend Reverse Osmosis Engineer job openings:
What are the most commonly searched types of Reverse Osmosis Engineer jobs? The most popular types of Reverse Osmosis Engineer jobs are:
What states have the most Weekend Reverse Osmosis Engineer jobs? States with the most job openings for Weekend Reverse Osmosis Engineer jobs include:
What job categories do people searching Weekend Reverse Osmosis Engineer jobs look for? The top searched job categories for Weekend Reverse Osmosis Engineer jobs are:
Infographic showing various Weekend Reverse Osmosis Engineer job openings in the United States as of May 2026, with employment types broken down into 14% Locum Tenens, 29% Full Time, 43% Contract, and 14% Nights. Highlights an 97% Physical, and 3% Hybrid job distribution, with an average salary of $136,286 per year, or $65.5 per hour.

AIC - Chemical Engineer Wastewater Treatment

Aquatech International LLC

Canonsburg, PA

Full-time

Posted 17 days ago


Job description

Summary:

Aquatech is a global leader in water purification systems technology for both industrial and infrastructure markets located in the United States and internationally. We support our clients with sustainable water purification systems and technologies that are solving the worlds water scarcity challenges.

Currently, Aquatech has an immediate need for a fulltime Applications Engineer I to work in our Canonsburg, PA office. The hours are Monday - Friday 8:00am to 5:00pm.The Applications Engineer I will report to the Director of Wastewater Treatment Applications and will perform the duties described in the job description below and will be considered an Exempt employee.

The ideal candidate will review and prepare Request For Proposals (RFPs) for water treatment and wastewater recycle treatment systems.

Job Description:

  • Review RFPs for wastewater treatment/recycle systems. 
  • Prepare appropriate responses in the form of proposal to RFPs, including developing Process Flow Diagrams (PFDs), Hydraulic Flow diagram (HFD), Piping & Instrumentation Diagrams (P&IDs) and General Arrangement (GA) drawings.
  • Coordinate with draftsperson in preparing above mentioned drawings.
  • Perform process calculations to properly size treatment processes and equipment.
  • Prepare technical clarifications and deviations to the RFP specifications both process and mechanical.
  • Develop inquiries and solicit quotations for sub-vendor(s) equipment and components to assemble the proposal with technical and cost details of a complete integrated system.
  • Develop cost estimate and budget for the proposed system.
  • Compile sections of the proposal comprising specific technical data and descriptions, performance guarantees, warranty and technical clarifications.
  • Assist sales manager in responding to customers’ technical queries.
  • Prepare a Turn Over Package for each successful proposal.
  • Develop and improve process calculations spreadsheets and technical documentation required for proposal preparation and subsequently for project execution.
  • Provide Process support during system commissioning/start-up to commissioning engineer and support troubleshooting technical issues.
  • Working in close collaboration with Applied Testing Laboratory at the office premises to develop and verify treatment process and performance guarantees, which may require benchtop testing and/or lab piloting.

Skill Requirements:

  • Prior experience in the preparation of proposals involving oil-water separation equipment, bar screens and grit chamber, conventional and advanced biological treatment processes (aerobic/anoxic/anaerobic activated sludge, fixed film, Moving Bed, Sequencing Batch reactor, Membrane Bioreactor) and sludge conditioning/dewatering equipment is required. Experience of designing wastewater recycle treatment systems comprising membrane filtration and reverse osmosis unit is desirable.  Knowledge and experience in wastewater treatment design for municipal, Hydrocarbon Processing Industry (HPI), steel, semiconductor & electronics, renewable fuels and other chemical industrial applications is required.
  • The candidate will be able to communicate effectively internally and with customers and maintain positive attitude and good organizational skills, plan and manage multiple tasks or projects, and apply common sense to carry out instructions furnished in written, oral or diagram form. Ability to use personal computer (MS office products) and internet at a high level of proficiency is MUST. Knowledge of proprietary software e.g. BioWin or equivalent for biological treatment process design, membrane filtration and reverse osmosis membrane is required.

Essential Functions:

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed above and below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Physical Job Demands:

Exerting up to 10 pounds of force occasionally and/or negligible amount of force frequently or constantly to life, carry, push, pull or otherwise move objects, including the human body. Sedentary work involves sitting most of the time, limited walking and standing.

Minimum Qualifications / Experience:  


Bachelors in Chemical/Environmental Engineering. 5 - 10 year experience in a similar job with duties defined above in industrial and infrstructure projects.