Demo

Principal Controls Engineer

Ecolab
Garyville, LA Full Time
POSTED ON 8/1/2026
AVAILABLE BEFORE 9/27/2026
The Principal Controls Engineer applies engineering skills to solve complex problems, using knowledge of Ecolab's customers and markets. He or she schedules and helps to coordinate innovative, complex projects to meet cost and time objectives, complying with design criteria and standards.

What’s In It For You

  • Thrive in a company that values a culture of safety to include top-notch safety training and personal protection equipment
  • Comprehensive benefits package starting day 1 of employment- medical, dental, vision, matching 401k, company paid pension, stock purchase plan, tuition reimbursement and more!

What You Will Do

  • Functions as sites’ primary engineering / technical support to manufacturing and maintenance operations in the troubleshooting, rebuilding/ repair and development of site DCS (Valmet D3)
  • Primary custodian of DCS historian (Aveva PI)
  • Troubleshoots networking and server issues.
  • Create and maintain current documentation of DCS equipment and systems.
  • Develop the DCS architecture, including logic programming, graphics and HMI development.
  • Aid in project scope development including automation specifications, sequence of operation, schematic drawings needs and control narrative development.
  • DCS logic programming (some limited PLC development and troubleshooting), graphics and HMI development, onsite commissioning for new soft infrastructure and validation of the system design.
  • Participate as a team member of the process engineering team, utilizing TPM concepts to increase productivity through efficiency improvements.
  • Provide training to operations and reliability technicians for new or updated automation projects
  • Mentor process engineers in technical development in the field of automation and controls
  • Support capital projects with instrumentation and control system needs.
  • Incorporates DCS/HMI programming enhancements to the production process that improves safety, provide reliable production operation, and increase site productivity.

Minimum Qualifications

  • Bachelor’s degree in electrical engineering, computer science or chemical engineering or Extensive 5 yrs experience in the preferred field of Engineering, Capital Projects may be considered in lieu of a degree
  • 4 years of experience in a chemical manufacturing environment
  • 4 years of experience DCS maintenance, development and improvement
  • 4 years of experience in HMI and graphics development
  • No immigration sponsorship available for this position

Preferred Qualifications

  • 5 years of experience with programing, interfacing with Valmet D3 architect, including device management, SABL code improvements and state-based control programming – batch/sequential and continuous control
  • Sherrill-Lubinski graphics maintenance and development
  • 10 years of experience in a chemical manufacturing environment
  • 10 years of experience DCS maintenance, development and improvement
  • 10 years of experience in HMI and graphics development

Annual Or Hourly Compensation Range

The pay range for this position is $101,400.00 - $152,100.00. 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 strives to provide comprehensive and market-competitive benefits to meet the needs of our associates and their families. Click here to see our benefits.

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.

Our Commitment to a Culture of Inclusion & Belonging

At Ecolab, we believe the best teams are inclusive. We are on a journey to create a workplace where every associate can grow and achieve their best. We are committed to fair and equal treatment of associates and applicants and recruit, hire, promote, transfer and provide opportunities for advancement based on individual qualifications and job performance. In all matters affecting employment, compensation, benefits, working conditions, and opportunities for advancement, we will not discriminate against any associate or applicant for employment because of race, religion, color, creed, national origin, citizenship status, sex, sexual orientation, gender identity and expressions, genetic information, marital status, age, disability, or status as a covered veteran.

In addition, we are committed to furthering the principles of Equal Employment Opportunity (EEO) through Affirmative Action (AA).

We will consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance, the San Francisco Fair Chance Ordinance, and the New York City Fair Chance Act.

Salary : $101,400 - $152,100

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