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Senior Lab Tech - Microbiology

Job in Naperville, DuPage County, Illinois, 60563, USA
Listing for: Ecolab
Full Time position
Listed on 2026-07-20
Job specializations:
  • Pharmaceutical
    Medical Technologist & Lab Technician
Job Description & How to Apply Below

Senior Lab Technician

Join Ecolab's team and help create a world in which we all thrive.

Ecolab is seeking a Senior Lab Technician to join our team in Naperville, IL. As a Senior Lab Technician, you'll support a critical role in Legionella laboratory operations—from performing ISO test methods to maintaining equipment and mentoring new team members. You'll collaborate closely with scientists and technicians to ensure accurate testing, troubleshoot challenges, and contribute to a safe, organized, and high-performing lab environment.

How You'll Make an Impact:

  • Follow all safety procedures and risk assessments.
  • Safely handle known and unknown biological materials up to Biosafety Level 2.
  • Perform a variety of routine lab operations including culture-based testing of water samples according to ISO 11731 international standards for detection of Legionella.
  • File management of laboratory documents, records, and reports.
  • Record and analyze testing results consistently and accurately in Laboratory Information Management System (LIMS).
  • Train new members of the team in lab techniques after gaining expertise in those areas.
  • Maintain equipment in operating condition and order supplies and services as needed.
  • Prepare and stock supplies for daily lab work.
  • Routine laboratory cleaning.

Position Details:

  • Site

    Location:

    Naperville, IL
  • Work Week & Shift: Monday - Friday, 8AM - 5PM

What is Unique

About This Role:

  • The support of an organization that believes it is vital to include and engage diverse people, perspectives and ideas to achieve our best
  • Be part of a company that values a culture of safety that includes top-notch safety training and personal protective equipment

Minimum Qualifications:

  • Associate degree with relevant coursework (e.g. college coursework in science, technology, engineering or mathematics) may substitute for experience.
  • 1+ year of laboratory technician or related experience.
  • Ability to multi-task in a fast-paced environment.
  • Immigration sponsorship is not offered for this role
Preferred Qualifications
  • Bachelor's degree in Biology or Microbiology.
  • Proficiency and expertise in utilizing, calibrating, and maintaining technical laboratory equipment
  • Experience with statistical methods for data analysis and trending
  • Strong interpersonal communication skills, including excellent oral and technical writing capabilities
  • Experience multi-tasking and managing numerous projects simultaneously
  • Experience using Microsoft Office Suite (Word, Excel, Outlook, and PowerPoint)
  • Excellent communication and inter-personal skills.
  • Ability to work as part of a team and complete tasks independently.
  • Ability to maintain attention to detail in a fast-paced environment.
  • Understanding of and practice in aseptic technique.
  • Track record of safe work practices.
  • Flexibility to work overtime.

What's in it For You:

  • Starting on Day 1:
    Access to our comprehensive benefits package including medical, dental, vision, matching 401K, company-paid pension, stock purchase plan, paid parental leave, select discounted childcare resources, and more!
  • The opportunity to take on some of the world's most meaningful challenges, helping customers achieve clean water, safe food, and healthy environments
  • The ability to make an impact and shape your career with a company that is passionate about growth
  • The support of an organization that believes it is vital to include and engage diverse people, perspectives, and ideas to achieve our best.

About Ecolab:

At Ecolab, we prioritize our talent-first philosophy by creating the most capable and diverse team to excel at our nearly three million customer sites. Building on a century of innovation, our 48,000 associates help deliver 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.

Our solutions not only enhance operational efficiency but also contribute to sustainability and public health, making a positive impact on the world.…

Position Requirements
10+ Years work experience
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