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Weekend Reverse Osmosis Engineer Jobs in Chicago, IL

Xylem

Application Engineer III

Morton Grove, IL

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 IV

Morton Grove, IL

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

Culligan International Company

Be Seen First

Manufacturing Test Engineer I

Libertyville, IL · On-site

$65K - $85K/yr

Manufacturing Test Engineer I or Industrial Water Equipment Quality Control (QC) Tester is ... including reverse osmosis units, filtration systems, and softeners- to verify performance and ...

Culligan

Manufacturing Test Engineer I

Libertyville, IL · On-site

$65K - $85K/yr

Manufacturing Test Engineer I or Industrial Water Equipment Quality Control (QC) Tester is ... including reverse osmosis units, filtration systems, and softeners- to verify performance and ...

APEC Water Systems

Customer Service Lead

Rosemont, IL

$110K - $130K/yr

APEC Water is our flagship brand, widely trusted by professionals and discerning consumers alike for its uncompromising performance, rigorous engineering, and industry-leading reverse osmosis systems.

Culligan

Customer Service Lead

Rosemont, IL

$110K - $130K/yr

APEC Water is our flagship brand, widely trusted by professionals and discerning consumers alike for its uncompromising performance, rigorous engineering, and industry-leading reverse osmosis systems.

APEC Water Systems

SIOP Analyst

Rosemont, IL · On-site

$80K - $100K/yr

APEC Water is our flagship brand, widely trusted by professionals and discerning consumers alike for its uncompromising performance, rigorous engineering, and industry-leading reverse osmosis systems.

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All JobsReverse Osmosis Engineer JobsWeekend Reverse Osmosis Engineer JobsWeekend Reverse Osmosis Engineer Jobs in Chicago, IL

Weekend Reverse Osmosis Engineer information

See Chicago, IL salary details

$84.5K

$140.4K

$200.9K

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

As of Jul 27, 2026, the average yearly pay for weekend reverse osmosis engineer in Chicago, IL is $140,394.00, according to ZipRecruiter salary data. Most workers in this role earn between $91,700.00 and $183,400.00 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.
What are the most commonly searched types of Reverse Osmosis Engineer jobs in Chicago, IL? The most popular types of Reverse Osmosis Engineer jobs in Chicago, IL are:
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Weekend Reverse Osmosis Engineer jobs near you
Application Engineer III

Application Engineer III

Xylem

Morton Grove, IL

Full-time

Posted 18 days ago

Xylem rating

7.4

Company rating: 7.4 out of 10

Based on 91 frontline employees who took The Breakroom Quiz

292nd of 535 rated manufacturers

Job description

Xylem is a Fortune 500 global water solutions company dedicated to advancing sustainable impact and empowering the people who make water work every day. As a leading water technology company with 23,000 employees operating in over 150 countries, Xylem is at the forefront of addressing the world's most critical water challenges. We invite passionate individuals to join our team, dedicated to exceeding customer expectations through innovative and sustainable solutions.

The Application Engineer III will focus on complex wastewater and process water solutions across markets such as microelectronics, food & beverage, mining, power, pulp & paper, and chemical processing. The wastewater systems typically consist of equalization, pH neutralization, chemical precipitation, clarification, Dissolved Air Floatation (DAF), media filtration, ultra filtration, reverse osmosis, sludge thickening and dewatering. The process water systems typically consist of media filtration, softening, carbon filtration, ultra filtration, reverse osmosis, Clean-In-Place (CIP) systems, regenerable Ion Exchange (IX), and Continuous Electrodeionization (CEDI).

Operates in a mostly independent capacity, with support from Application Engineer IVs and supervisor, determining proper design and approach for solving customer requirements. May support developing engineers in a mentor capacity when needed.

CORE RESPONSIBILITIES AND TASKS

Live our culture and exemplify our Growth Enabling Behaviors to be inspired to innovate, empowered to lead, and accountable to deliver.

Work primarily with the direct sales team

Review RFQs and technical specifications

Perform process design calculations

Develop Process Flow Diagrams (PFDs) and Process & Instrument Diagrams (P&IDs)

Prepare mass balances and water balances

Perform hydraulic calculations and pump sizing

Equipment selection and material selection which can be used for costing

Identify technical and commercial risks

Develop conceptual, budgetary and firm proposals

Present technical solutions to customers

Support bid/no-bid and go/no-go decisions

Train and mentor other engineers

POSITION REQUIREMENTS

1. FORMAL EDUCATION:

Requires BS/BA degree in Chemical Engineering; Master's degree preferred

4+ yrs of experience

Ability to conduct and understand water quality projections.

Advanced competency in multiple standard equipment platforms and their employment. Thorough understanding of common components and their application.

Able to execute complex tasks with limited guidance.

Effectively collaborates with other disciplines in a team environment.

Solid understanding of the sales process and how organizational role influences outcome.

Solid understanding of financial principles related to proposals, costing, business outcome and risk mitigation.

Solid understanding of contractual terms and conditions.

Advanced ability to develop execution strategy while mitigating business risk.

Possesses excellent communications skills and can effectively present technical information in a customer setting.

#LI-NP1

Join the global Xylem team to be a part of innovative technology solutions transforming water usage, conservation, and re-use. Our products impact public utilities, industrial sectors, residential areas, and commercial buildings, with a commitment to providing smart metering, network technologies, and advanced analytics for water, electric, and gas utilities. Partner with us in creating a world where water challenges are met with ingenuity and dedication; where we recognize the power of inclusion and belonging in driving innovation and allowing us to compete more effectively around the world.

At Xylem, you'll not only contribute to solving water issues but also have the chance to make a difference through our paid Volunteer Program, Xylem Watermark. We prioritize our employees' well-being through inclusion and belonging as well as our Employee Resource Groups (ERG). Proud to be an Equal Employment Opportunity (including disability and veterans) and Affirmative Action workplace, Xylem fosters an inclusive environment free from discrimination or harassment.

Please note that the information in this job description outlines the general nature of the position and is not an exhaustive list of duties. Xylem is dedicated to providing reasonable accommodations to enable all employees to perform their essential job functions. We reserve the right to modify this job description and assign additional duties as needed. Embrace the opportunity to be part of Xylem's transformative journey in shaping the future of water technology! #XylemCareers #GlobalImpact #WaterInnovation

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