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Weekend Reverse Osmosis Engineer Jobs (NOW HIRING)

Long Island Clean Water Service, Inc.

Apprentice

Janesville, WI · On-site

$15.25 - $19.50/hr

  • Retirement

We provide various water conditioning products, including reverse osmosis drinking systems, iron ... up, programming, and testing of water treatment equipment. • Maintain a clean, and healthy ...

Xylem

Application Engineer III

Houston, TX · On-site

The Application Engineer III will focus on complex wastewater and process water solutions across ... reverse osmosis, Clean-In-Place (CIP) systems, regenerable Ion Exchange (IX), and Continuous ...

WSP

Manager, Management Consultancy

Indianapolis, IN · On-site

$110 - $170/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... to engineers, investment bankers, financial analysts, legal counsel, and internal-client ... D.) Familiarity with cutting-edge Reverse Osmosis treatment processes and related membrane ...

WSP

Manager, Management Consultancy

Indianapolis, IN · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... to engineers, investment bankers, financial analysts, legal counsel, and internal-client ... Demonstrated expertise in Reverse Osmosis treatment processes and membrane performance modeling

Xylem

Application Engineer III

Colorado Springs, CO

The Application Engineer III will focus on complex wastewater and process water solutions across ... reverse osmosis, Clean-In-Place (CIP) systems, regenerable Ion Exchange (IX), and Continuous ...

Xylem

Application Engineer III

Morton Grove, IL · On-site

The Application Engineer III will focus on complex wastewater and process water solutions across ... reverse osmosis, Clean-In-Place (CIP) systems, regenerable Ion Exchange (IX), and Continuous ...

Xylem

Application Engineer III

Pittsburgh, PA · On-site

The Application Engineer III will focus on complex wastewater and process water solutions across ... reverse osmosis, Clean-In-Place (CIP) systems, regenerable Ion Exchange (IX), and Continuous ...

National Constitution

Building Engineer

Philadelphia, PA · On-site

$38.96/hr

... ionizing and reverse osmosis units and stills), clean steam, building steam and condensate ... Required to work weekends, evening hours, and holidays as assigned Physical Demands * Frequent ...

Xylem

Application Engineer III

Charlotte, NC · On-site

The Application Engineer III will focus on complex wastewater and process water solutions across ... reverse osmosis, Clean-In-Place (CIP) systems, regenerable Ion Exchange (IX), and Continuous ...

CECO Environmental

Engineer, Applications

Tustin, CA · On-site

$90K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

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 ...

JLL

Lead Operating Engineer

Redmond, WA · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

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 ...

WSP

Manager, Management Consultancy

Indianapolis, IN

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... to engineers, investment bankers, financial analysts, legal counsel, and internal-client ... Demonstrated expertise in Reverse Osmosis treatment processes and membrane performance modeling

CECO Environmental

Engineer, Applications

Tustin, CA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

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 ...

CECO Environmental

Engineer, Applications

Tustin, CA

  • Medical

  • Dental

  • Vision

  • Retirement

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 ...

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All JobsReverse Osmosis Engineer JobsWeekend Reverse Osmosis Engineer Jobs

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 Aug 15, 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 skills and qualifications are needed to thrive as a weekend reverse osmosis engineer?

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 weekend reverse osmosis engineer do?

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.
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Weekend Reverse Osmosis Engineer jobs near you
Infographic showing various Weekend Reverse Osmosis Engineer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 68% Full Time, 26% Part Time, 4% Contract, and 1% Nights. Highlights an 95% Physical, 1% Hybrid, and 4% Remote job distribution, with an average salary of $136,286 per year, or $65.5 per hour.

Apprentice

Long Island Clean Water Service, Inc.

Janesville, WI • On-site

$15.25 - $19.50/hr

Full-time

Retirement

Posted 9 days ago

Job description

Description
Company: Addie Water Systems Inc.
About us
Addie Water Systems, Inc. is a small business in Janesville, WI. We are professional, fast-paced and demanding. Residentially, we serve homes and businesses in the Rock, Dane, and Walworth, WI area, and serve our wholesale customers all over the U.S. Since 1978, customers have relied on Addie Water Systems with revolutionary water treatment services. We provide various water conditioning products, including reverse osmosis drinking systems, iron removal systems, water softeners, water heaters, and a variety of different water filtration systems. After 44+ years in business with Addie Water Systems, you'll be backed by family-driven support that big water treatment dealers cannot provide. In other words, you will not be just a "number," like how a lot of manufacturing jobs treat their employees. We try to make our business feel more like a home and not a big business/ big corporation feel!
Our work environment includes:
• Casual work attire
• On-the-job training
• Full benefits package including 401K w/ employer match
• Family-like support from the owners.
• Flexible working hours
• Safe work environment
• Relaxed atmosphere
• Bonus
• Friday Breakfast!
We are seeking an Apprentice to join our team. The successful candidate will be responsible for providing support on installations and servicing equipment for both residential and commercial water softeners, water heaters, reverse osmosis drinking water systems, whole house filtration systems, UV systems, and much more. The ideal candidate will have experience in the water treatment or plumbing industry, a strong understanding of water treatment systems (Fleck and Clack), and the ability to make quick decisions.
Responsibilities:
• Maintain healthy inventory levels on the plumbing trucks.
• Manage tickets daily and make sure equipment is accounted for days in advance.
• Provide exceptional support to customers.
• Assist in the set up, programming, and testing of water treatment equipment.
• Maintain a clean, and healthy service vehicle.
• Ability to lift objects between 50-100lbs.
• Ability to operate a forklift (bonus)
• A GOOD ATTITUDE
• GOOD PEOPLE SKILLS

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