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Jr. Commissioning Engineer

3 days ago Chicago, IL

Junior Commissioning Engineer – Chicago, IL Metro Area

What this job involves

JLL is seeking a motivated Junior Commissioning Engineer to join our Data Center / Mission Critical Commissioning team. This position will be home based in the Chicago metro area.

This entry-level position provides an excellent opportunity to learn and grow within the commissioning field under the guidance of experienced professionals.

The successful candidate will assist senior team members in delivering quality commissioning services while developing technical expertise in data center electrical, mechanical and controls systems and commissioning processes.

Your day-to-day tasks will include:

  • Supporting on-site the commissioning activities under the supervision of senior engineers
  • Assisting with field inspections of mechanical, electrical, control and monitoringsystems
  • Documenting test results and maintaining commissioning records
  • Participating in commissioning meetings and recording meeting notes
  • Helping prepare commissioning deliverables such as checklists and test procedures
  • Learning and applying commissioning standards (ASHRAE, CSA)
  • Conducting basic testing and verification activities with guidance
  • Supporting the development and maintenance of project documentation
  • Contributing to issue tracking and resolution processes

Desired experience and technical skills

Requirements:

  • Bachelor's degree in Mechanical, Electrical Engineering or related technical field
  • 0-3 years of experience in data center systems, construction, or related field
  • Basic understanding of HVAC, plumbing, and electrical systems
  • Proficiency in Microsoft Office applications (Word, Excel, PowerPoint)
  • Strong attention to detail and organizational skills
  • Excellent written and verbal communication abilities
  • Willingness to learn and apply technical concepts
  • Ability to work both independently and as part of a team
  • Ability to travel regularly to local project sites and up to 30% to other locations outside the Chicago metro area
  • Desire to grow professionally in the commissioning field

Preferred:

  • Internship or co-op experience
  • Basic knowledge of testing equipment and procedures
  • Experience reading and interpreting construction documents and drawings
  • Basic knowledge of building automation systems
  • Interest in green building practices
  • Basic knowledge of energy efficiency concepts
  • Experience with data collection and analysis
  • Eagerness to pursue professional certifications in the future
  • Familiarity with project management concepts

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Client-provided location(s): Chicago, IL
Job ID: 21661_REQ446240
Employment Type: FULL_TIME
Posted: 2025-09-08T00:00:00

Perks and Benefits

  • Health and Wellness

    • Parental Benefits

      • Work Flexibility

        • Office Life and Perks

          • Vacation and Time Off

            • Financial and Retirement

              • Professional Development

                • Diversity and Inclusion