Operation and Maintenance Engineer
Confirmed on the employer's own hiring board on Nov 8, 2026. First seen by Alion on Jun 9, 2026. Ecolab scores B on the Alion truth index.
We are seeking an Operations and Maintenance Engineer to support the safe, reliable, and efficient operation of Ultrapure Water, Wastewater, and Reclamation systems. In this role, you will play a critical part in maintaining system performance, minimizing downtime, and driving continuous improvement across operations and maintenance activities while supporting uninterrupted service at the client site.
What You Will Do
- Monitor daily operations of Ultrapure Water, Wastewater, and Reclamation systems to ensure reliable performance
- Ensure equipment and systems meet operational targets and efficiency standards
- Analyze system performance data and recommend operational or maintenance improvements
- Coordinate with engineering and operations teams to support uninterrupted production and service
- Plan and execute preventive and predictive maintenance activities
- Perform inspections, diagnostics, and oversee equipment repairs
- Maintain accurate maintenance logs, reports, and technical documentation
- Identify equipment faults, perform root cause analysis, and implement corrective and preventive actions
- Support equipment upgrades, installations, and commissioning activities
- Recommend process optimizations, cost-reduction initiatives, and energy-saving projects
- Perform other duties as assigned by the Service Center Manager
Position Details
- Work is performed at client facilities in Sherman, Texas
- Travel is required to and from the client’s facilities
- Minimal travel may be required for training purposes
Minimum Qualifications
- Bachelor’s degree in Engineering (Mechanical, Chemical, or related field) with 3-5 years of experience in operations and maintenance OR Greater than 10 years of experience in semiconductor-related water treatment system operations, maintenance, expansions, and improvements
- Equipment troubleshooting and diagnostics experience
- Preventive and predictive maintenance knowledge
- Data analysis and performance monitoring skills
- Ability to create and maintain technical documentation and reports
- Strong communication, teamwork, time management, and multitasking skills
- Knowledge of maintenance systems (CMMS), tools, and techniques
- Strong analytical and problem-solving abilities
- Ability to read, analyze, and interpret complex, industry-related documents
- Understanding of applicable safety standards and regulations
- Proficiency with MS Office and Navisworks
- No Immigration Sponsorship provided for this role
Careers Advancing Ovivo by Ecolab’s 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 you’re 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 role is $90,000-$105,000 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 here for 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.
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.