Start Up and Commissioning Engineer
Confirmed on the employer's own hiring board on Oct 2, 2026. First seen by Alion on Aug 14, 2026. Ecolab scores B on the Alion truth index.
As a Startup & Commissioning Engineer within the Engineering team, you will travel to customer sites to provide startup and commissioning services for Ultrapure Water (UPW), Wastewater Treatment (WWT), and Reclaim/Recycle systems. Working under the direction of the Senior Project Manager, you will support system performance, customer training, troubleshooting, and commissioning activities while ensuring quality and safety standards are met.
What’s in it For You
- Opportunity to work on complex water and wastewater treatment systems within customer facilities
- Exposure to startup, commissioning, troubleshooting, and customer training activities
- Opportunity to mentor and support junior engineers
- Collaboration with project, process, and automation engineering teams
What You Will Do
- Develop commissioning plans for water and wastewater treatment systems
- Perform startup and commissioning of equipment and systems in accordance with established plans and procedures
- Troubleshoot onsite issues with support from project, process, and automation engineering teams
- Train customer personnel on the operation and maintenance of equipment
- Document commissioning activities, inspections, tests, measurements, and corrective actions
- Adhere to customer safety requirements and site health and safety conditions
- Evaluate equipment performance in the field and recommend improvements to Engineering
- Liaise with customers to ensure work is completed to their satisfaction and company expectations
- Conduct QA/QC inspections of equipment at manufacturers’ facilities
- Participate in customer meetings as required
- Perform all work in accordance with established safety procedures
- Complete additional duties as assigned
Position Details
- Based out of the Plano office
- Travel requirement: Up to 99% travel to customer sites
Minimum Qualifications
- Bachelor’s degree in Mechanical Engineering, Chemical Engineering, or a related discipline from an accredited university, or equivalent education or experience
- Minimum of five (5) years of directly related experience, or equivalent combination of education and experience
- Knowledge of semiconductor water and wastewater chemistry and typical semiconductor waste streams
- Knowledge of water treatment technologies including filtration, membrane treatment, ion exchange treatment, clarification, and reclaim water treatment
- Ability to read, write, understand, and converse in English
- Ability to read and understand P&IDs, PFDs, and process logic documents
- Ability to develop and write clear and concise SOPs and SOOs
- Ability to negotiate and resolve differences of opinion in design or detailing
- Ability to make decisions using multiple variables in non-standard situations
- Ability to read and interpret process and instrumentation diagrams, mechanical and structural drawings, and specifications
- Ability to work effectively and safely with tools, instruments, analyzers, chemicals, and various materials required for field service work
- Proficiency in Microsoft Office
- Experience in the water treatment industry
- Experience in a Semiconductor Wafer Fab environment with Ultrapure Water (UPW) and Wastewater Treatment (WWT) systems
- Experience mentoring and training junior engineers
- No immigration sponsorship is available 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 by 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 for this role is $80,000-$120,000 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.