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Weekend Reverse Osmosis Engineer Jobs (NOW HIRING)

Utility Techn.-Stationary Engi

West Point, PA

$19.50 - $26.50/hr

Stationary engineers will perform maintenance on any equipment or facility which their skills ... Operates distilled water, deionized water, reverse osmosis, water softener, water pretreatment, and ...

Power Plant - Oper Eng I

Concord, NC · 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 thorough ...

Lead Operating Engineer

Redmond, WA · On-site

$114K - $151K/yr

Monitor operation, adjust, and maintain refrigeration, chilled water, reverse osmosis system, air ... Operating Engineer (BOC) or other applicable licenses is a plus with Universal CFC (EPA608) license ...

Lead Operating Engineer

Redmond, WA · On-site

$114K - $151K/yr

Monitor operation, adjust, and maintain refrigeration, chilled water, reverse osmosis system, air ... Operating Engineer (BOC) or other applicable licenses is a plus with Universal CFC (EPA608) license ...

Utility Techn.-Stationary Engi

West Point, PA · On-site

$19.50 - $26.50/hr

Stationary engineers will perform maintenance on any equipment or facility which their skills ... Operates distilled water, deionized water, reverse osmosis, water softener, water pretreatment, and ...

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 thorough ...

Mechanical Engineer

Lockhart, TX · On-site

$130K - $170K/yr

... our Reverse Osmosis Centrifuge; a safety-critical, high-RPM system operating under significant ... You will work closely with our engineering team throughout the pilot phase and into commercial ...

Apply Early

Electrical Engineer

Lockhart, TX · On-site

$120K - $155K/yr

... our Reverse Osmosis Centrifuge. This is a hands-on role requiring competent experience with ... controls engineering * Hands-on experience with PCB design (schematic capture and layout)

Apply Early

Mechanical / Process Technical Lead

Corpus Christi, TX · On-site

$71K - $93K/yr

Proven experience in mechanical/process engineering for water, wastewater, or desalination facilities. * Demonstrated experience with seawater reverse osmosis (SWRO) desalination plants or advanced ...

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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 Jul 1, 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 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.

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 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.
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 June 2026, with employment types broken down into 59% As Needed, 11% Full Time, 21% Temporary, and 9% Nights. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $136,286 per year, or $65.5 per hour.
Utility Techn.-Stationary Engi

Utility Techn.-Stationary Engi

MSD

West Point, PA

$19.50 - $26.50/hr

Full-time

Posted 6 days ago


Job description

Job Description

Are you looking for an exciting opportunity with a rapidly growing pharmaceutical manufacturer? If so, then this is the opportunity for you!

Under the supervision of the Maintenance and Utilities Supervisor and direction of the maintenance team leader, operates, monitors, maintains, and responds to alarms of building utility systems including water chillers, cooling towers, condenser water, high purity water treatment (softeners, de-ionizing and reverse osmosis units and stills), clean steam, building steam and condensate, compressed air and vacuum systems.

Maintains logs, necessary paperwork, and completes documentation in a cGMP compliant fashion. Documents work activities completely through work orders and daily labor record.Stationary engineers will perform maintenance on any equipment or facility which their skills support in a compliant quality manner. Stationary engineers are part of the Utilities Technician work group and will primarily share work assignments within their job grouping with no inherent or "system imposed" limits. Based on business needs, Utilities Technicians will perform maintenance activities including crossing between job groupings where skills are common. Work assignments, buildings and equipment are not exclusive to any craft, job grouping, or employee. Position may include some responsibility for maintaining significant business systems (e.g. CMMS data, planning, procurement, and scheduling) including the authority to assign, coordinate, and maintain work for others.

Equipment: Including but not limited to

  • Compressors, pumps, electric generators, package boilers, distilled water stills, water cooling towers, deionized water units, reverse osmosis units, water softeners, clean steam generators, condensate, equipment, vacuum pumps, heating equipment, water chillers, chemical treatment and testing equipment, computer-aided control/management systems catalytic oxidizers, and all other equipment necessary for the operation of building utility systems.

Duties: Including but not limited to

  • Maintains proper pressures and temperature in the operation of heating and cooling equipment, including chillers, cooling towers, perimeter heat, reheat, etc. systems to meet variable load conditions. Maintains appropriate oil, glycol and cooling water parameters as required by utility systems. Chemically cleans heat exchangers and circulating systems, adhering to department safety requirements.

  • Operates distilled water, deionized water, reverse osmosis, water softener, water pretreatment, and reheat systems.

  • Troubleshoots and routinely maintains, regenerates, acid cleans, adds or changes resin, and disinfects these systems as necessary. Monitors capacity, adequacy of utility services, and quality to insure proper operation of this equipment.

  • Adheres to cGMP requirements applicable to these systems.

  • Maintains operation of high purity water systems to provide pressure, quantity, and quality in accordance with production and cGMP requirements.

  • Insures proper operation of gauges/instrumentation (temperature, flow, conductivity, resistivity, pH, pressure, etc.) and changes recorder charts as necessary.

  • Conducts daily tours of utility equipment and reports problems concerning instrumentation and control. Maintains records of operating details, including daily shift reports and logs, to provide shift-to-shift communications between both supervisory and stationary engineer personnel. Works with supervisory, engineering, and customer personnel to assure proper operation, maintenance and repair of utility equipment.

  • Prepares utility equipment and systems for modifications and/or tie-ins performing necessary shutdowns and isolation of valves following safe hazardous energy control procedures. Returns systems to normal operation.

  • Performs routine testing of water systems, cooling tower water, closed loop cooling and heating systems. Maintains necessary chemical treatment at specified parameters, e.g. level, pH, conductivity, etc. Performs necessary operation and maintenance checks to insure that building utility related systems are operating as efficiently (energy consumption, water use, etc.) as possible, with minimum losses and optimum applied capacity.

  • Maintains utility equipment in good operating condition as it applies to oily, packing, cleaning, adjustments, and safety conditions.

  • Performs preventive and corrective maintenance and emergency repairs as required by the equipment and systems for which responsible to provide continued utility system operation.

  • Insures the proper housekeeping conditions are maintained in mechanical rooms via proper storage of equipment and supplies. Performs miscellaneous clean up as necessary.

  • Operates two-way radio communications for normal, alarm, and emergency dispatch in a professional manner. Responds to WPMS alarms as required in a timely and professional manner.

  • Operates computer workstations for monitoring and operational status of equipment and systems where applicable.

  • Provides guidance to General Workers and Maintenance personnel when working jointly on assignments.

  • Performs all duties necessary to insure that the quality and quantity of service is maintained via proper operating conditions throughout the Building Utility area.

  • Completes department training requirements, e.g., orientation, SOP, safety, etc. as direct by supervision.

  • Attends and actively participates in HAZOPS, waste walkthroughs, Kaizen events, or any other operations, lean six-sigma, quality, safety or environmental training/initiative as required.

  • Prepares and assists technicians, supervisors and planners in preparing labor and material estimates.

  • Assists supervising with the assigning, scheduling and prioritization of work order requests using maintenance management system.

  • Makes recommendations and prepares orders for spare parts, additional stock room items, tools, etc.

  • Consults with Supervision and other mechanics on problem resolution/troubleshooting. Keeps Supervision informed of problem issues.

  • Write, execute, and complete safety permits.

Education:

Required

  • High School Diploma or Equivalent (GED)

and

  • State Stationary Engineer Seal or equivalent certification

and

1. Graduation from a recognized/accredited trade school, community college, or equivalent programs with at least six (6) months full-time emphasis (5 hours/day x 5 days/week) in industrial power plant and refrigeration equipment operations (Power plant operation or HVAC)

or

2. Verified Military training equivalent to a recognized/accredited trade school program

Desirable

  • Courses in high purity water, cooling towers, water treatment, reverse osmosis, steam utilization.

Experience:

Required

  • Three years recent (within last 7 years) full-time experience (6,000 hours) operating industrial power plant equipment and controls (examples include: chillers, cooling towers, air compressors, and water treatment equipment). A basic understanding of chemical and water treatment and computer use is required.

or

  • Three years recent (within the last 7 years) full-time military experience operating power plant equipment and controls.

or

  • Held the position of Stationary Engineer at our company, West Point location, within the last seven years.

Desirable

  • Recent experience operating:

  • Centrifugal chillers (electrical and turbine driven) greater than 600 tons

  • Air compressors and desiccant air dryers greater than 250 cfm

  • High purity (WFI and USP grade) water system equipment including reverse osmosis, deionization, vapor compression and multi-effect distillation units.

  • Operational experience in the emergency/building electrical generators and hands-on experience with hazardous energy control (Lockout/Tagout) procedures.

Equipment or Machinery Operated:

  • Air compressors, refrigerated and desiccant air dryers, package boilers, water softeners, deionizers or demineralizers, reverse osmosis and installation equipment, clean steam generators, electrical and turbine driven centrifugal chillers, absorption chillers, water cooling towers, condensate equipment, vacuum pumps, catalytic oxidizers, closed-loop building water systems and chemical treatment and testing equipment, and all other equipment necessary for the operation of building utilities systems.

Special Skills or Abilities:

  • Ability to analyze equipment and take appropriate corrective measures. Ability to read blueprints, control drawings, P&IDs, etc. Familiarization with valve, mechanical equipment, maintenance, and instrumentation and control procedures.

Special Job Features:

  • Heavy lifting, use and handling of solvents, acid and bases and heat transfer media, work in hot and cold, dust and dirt environments, subject to immunization, safety shoes and glasses, subject to emergency call-in, working in confined spaces and at heights, possible work in areas of potentially infectious agents, and available at all times during work shift to answer emergencies.

Remarks:

  • Required to take immunizations as prescribed by the our company Health Services Department.

  • Must wear Company issued uniform per our company's SOP.

  • Position is subject to a probationary period.

VETJOBS

SKILLEDLABORUS

MSJR

Required Skills:

Business Systems, Cooling Systems, Cooling Towers, Energy Consumption, GMP Compliance, Lockout Tagout, Power Plant Operations, Prioritization, Project Procurement Management, Strategic Procurement, Two-Way Radios, Water Purification

Preferred Skills:

Current Employees apply HERE

Current Contingent Workers apply HERE

US and Puerto Rico Residents Only:

Our company is committed to inclusion, ensuring that candidates can engage in a hiring process that exhibits their true capabilities. Please click here if you need an accommodation during the application or hiring process.

As an Equal Employment Opportunity Employer, we provide equal opportunities to all employees and applicants for employment and prohibit discrimination on the basis of race, color, age, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability status, or other applicable legally protected characteristics.As a federal contractor, we comply with all affirmative action requirements for protected veterans and individuals with disabilities. For more information about personal rights under the U.S. Equal Opportunity Employment laws, visit:

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We are proud to be a company that embraces the value of bringing together, talented, and committed people with diverse experiences, perspectives, skills and backgrounds. The fastest way to breakthrough innovation is when people with diverse ideas, broad experiences, backgrounds, and skills come together in an inclusive environment. We encourage our colleagues to respectfully challenge one another's thinking and approach problems collectively.

Learn more about your rights, including under California, Colorado and other US State Acts

San Francisco Residents Only:We will consider qualified applicants with arrest and conviction records for employment in compliance with the San Francisco Fair Chance Ordinance

Los Angeles Residents Only:We will consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance

Search Firm Representatives Please Read Carefully
Merck & Co., Inc., Rahway, NJ, USA, also known as Merck Sharp & Dohme LLC, Rahway, NJ, USA, does not accept unsolicited assistance from search firms for employment opportunities. All CVs / resumes submitted by search firms to any employee at our company without a valid written search agreement in place for this position will be deemed the sole property of our company. No fee will be paid in the event a candidate is hired by our company as a result of an agency referral where no pre-existing agreement is in place. Where agency agreements are in place, introductions are position specific. Please, no phone calls or emails.

Employee Status:

Regular

Relocation:

No relocation

VISA Sponsorship:

No

Travel Requirements:

No Travel Required

Flexible Work Arrangements:

Not Applicable

Shift:

1st - Day, 2nd - Evening, 3rd - Night

Valid Driving License:

No

Hazardous Material(s):

n/a

Job Posting End Date:

07/31/2026

*A job posting is effective until 11:59:59PM on the day BEFOREthe listed job posting end date. Please ensure you apply to a job posting no later than the day BEFORE the job posting end date.