Operation & Maintenance Engineer

Ecolab

Last Updated: 3/10/2026 2:31:23 AM

Position Closed

Live Market Data for this Exact Role

These metrics reveal the true, unfiltered history of this specific position. We track the exact number of days the requisition has been active and monitor real salary range fluctuations over time, helping you verify compensation trends before applying.

Current Days Open
15
Reqs Seen
3
Current Min Salary
$80,000.00 (Yearly)
Current Max Salary
$125,000.00 (Yearly)
Historical Time to Fill
20
First Seen
2/6/2026
Lowest Min Salary Seen
$80,000.00 (Yearly)
3/10/2026
Highest Max Salary Seen
$125,000.00 (Yearly)
4/6/2026

Full Job Description

At OVIVO Ultra Pure Water+ by Ecolab, we offer you the opportunity to expand your skills and professional experience while collaborating with worldwide experts in water treatment. We are seeking motivated individuals to join our Operation & Maintenance (O&M) team for our state-of-the-art Ultra-Pure Water (UPW) system. Joining OVIVO Ultra Pure Water+ by Ecolab means being part of a global team of innovative and passionate professionals who are committed to preserving water, our planet's most critical resource. It also means combining our efforts and talents towards a more sustainable future - together. As an O&M Engineer, you will undergo intensive training to operate and optimize UPW systems. You will lead and guide operators, work with a digital twin monitoring software for simulation and diagnostics and later engage for quality modelling and system optimization. What You Will Do Learn and operate UPW systems, from basic maintenance tasks to advanced troubleshooting of critical failures. Lead and support a team of operators in daily operations. Have a clear understanding of process design documents (mass balance, P&ID, SOO, etc). Use the digital twin for system simulation, diagnostics, and predictive maintenance. Be trained and operate complex process quality analyzers with good understanding in analytical chemistry to calibrate, maintain and troubleshoot the analyzers in terms of hardware, software, collection and analysis. Collaborate with our internal tools for quality modelling and performance analysis. Maintain detailed documentation of procedures, incidents, and improvements. Equipment includes (but not limited to) filtration, activated carbon, ion exchange, reverse osmosis, gas transfer membrane, electro-deionization, ultrafiltration, UV treatment, etc. Always follow Health & Safety regulations and safe working requirements. Position Details The role is based at our clients facility in Chandler, AZ. Typical work week is from Monday to Friday. On-call period of 7 days every 5-6 weeks. Minimum Qualifications Technical graduate education (Bachelor Science degree or equivalent) in Chemistry, Chemical Engineering, Mechanical Engineering, or related fields. Good knowledge in continuous process (gas, water, or similar fields). A first experience in commissioning, start-up, operation, maintenance, service, or similar. Ability to troubleshoot complex systems and good problem-solving skills. Ability to prioritize a busy workload and flexibility to adjust to rapid changes in work conditions. Strong interpersonal & intercultural skills and ability to work well with others. Capacity to take decisions and proactivity. Willingness to learn and apply hands-on skills Good communication skills: you will be the image of the company on site and in front of the customer. Careers Advancing Ovivo by Ecolabs Water Technology Solutions Help shape the future of water and technology by joining a team that drives innovation in ultrapure water solutions critical to industries powering global progress. These careers offer the chance to make an impact that matters solving complex challenges, collaborating across borders, and creating solutions that protect vital resources. If youre passionate about water circularity, sustainability and technology, explore opportunities where your expertise fuels advancement and your growth is supported. Annual or Hourly Compensation Range: The pay range for this position is $80,000-$125,000 Many factors are taken into consideration when determining compensation, such as experience, education, training, geography, etc. We comply with all minimum wage and overtime laws. Benefits Ecolab provides the following benefits: medical, dental, vision, life insurance, accident insurance, critical illness insurance, hospital indemnity insurance, auto insurance, home insurance, pet insurance, identity theft protection, short-term and long-term disability, 401k, pension plans, retirement health care benefits, short-term incentives, vacation (12 days), holidays, parental leave, employee stock purchase plans (Full-Time Associates), discount on day care services and caregiver services, adoption assistance, group legal services, employee assistance program, employee discount program, and education assistance program, on-Site childcare and fitness facilities may be available at select Ecolab locations. Click herefor additional benefits information.If you are viewing this posting on a site other than our Ecolab Career website, view our benefits at jobs.ecolab.com/working-here. Potential Customer Requirements Notice To meet customer requirements and comply with local or state regulations, applicants for certain customer-facing roles may need to: - Undergo additional background screens and/or drug/alcohol testing for customer credentialing. - Be fully vaccinated for COVID-19, including a booster if eligible, unless a religious or medical accommodation is requested by the applicant and approved by Ecolab. Americans with Disabilities Act (ADA) Ecolab will provide reasonable accommodation (such as a qualified sign language interpreter or other personal assistance) with our application process upon request as required to comply with applicable laws. If you have a disability and require accommodation assistance in this application process, please visit the Recruiting Support link in the footer of each page of our career website. A trusted partner at nearly three million customer locations, Ecolab (NYSE:ECL) is a global sustainability leader offering water, hygiene and infection prevention solutions and services that protect people and the resources vital to life. Building on a century of innovation, with an annual sales of $15 billion and more than 48,000 associates, Ecolab delivers comprehensive science-based solutions, data-driven insights and world-class service to advance food safety, maintain clean and safe environments, and optimize water and energy use, and improve operational efficiencies and sustainability for customers in the food, healthcare, life sciences, hospitality and industrial markets in more than 170 countries around the world. When you come to work at Ecolab, you get to take on some of the worlds most meaningful challenges and have the opportunity to learn and grow, shape your career, make an impact and quickly see the importance of your work. For more Ecolab news and information, visit www.ecolab.com.

Similarity vs. Compensation Matrix

How to read this chart:

This interactive scatter plot benchmarks the compensation for this position against the broader market. The vertical Golden Line represents the midpoint salary for the current requisition, while the Blue Dots map competing open roles based on their semantic match and pay scale.

Click any dot to investigate a competitor. For the best leverage, target roles in the top-right quadrant—these are highly relevant positions offering above-average compensation.

Lower Match, Higher Pay Higher Match, Higher Pay
Lower Match, Lower Pay Higher Match, Lower Pay

Similar Open Roles & Salary Benchmarks

Don't limit your search to a single application. Below is a curated list of active openings across the market. To ensure high-quality leads, we enforce a strict 70% similarity threshold—meaning these aren't just superficial keyword matches, but genuinely viable career alternatives. Use these competing benchmarks to confidently negotiate your salary expectations or apply directly to higher-paying offers.