Demo

Senior Mechanical Commissioning Engineer - with travel

FST Technical Services
Chicago, IL Full Time
POSTED ON 3/31/2026
AVAILABLE BEFORE 4/29/2026

FST Technical Services – Commissioning (Cx) Division


We’re excited to connect with candidates in Chicago; however, this role is based in Atlanta, GA or San Jose, CA. The position offers opportunities for travel and relocation, and we’re seeking candidates who are open to this flexibility. Please note that the role is not based in Chicago. Monthly per diem and mobilization is on offer.


FST Technical Services’ Commissioning (Cx) division is one of the leading commissioning firms in the country. We partner with clients to deliver quality assurance throughout the design, construction, and post-acceptance phases of building projects. Our team ensures that mechanical, electrical, plumbing, and associated systems are properly designed, installed, and rigorously tested to meet client requirements and overall design intent, with a strong focus on mission-critical data center environments.


About the Role:

A Commissioning Senior Project Engineer reports to a Team Leader and is responsible for the delivery and execution of commissioning services for complex equipment and systems. This role involves working extensively on large-scale, mission-critical data center projects, ensuring all systems are fully operational, reliable, and meet the highest standards of performance and efficiency.


Responsibilities:

  • Primary activities include completing office assignments, time and expense management, in-field installation validation, field observation reports and meeting notes, functional performance testing, on-site and factory witness testing, writing of reports and meeting notes, submittal reviews, and design documentation evaluation.
  • Additional activities include executing target billable hours, managing tasks within time budgeted, leading Cx meetings, assisting the construction team with identifying/solving technical issues when they arise, and interpreting contract documents to predict scope gaps, maximize opportunities to provide value for clients, and reduce risk.
  • Administrative activities include supporting the team leader in coordinating weekly staff scheduling, training/mentoring team members on proper documentation, field procedures, and equipment usage, participating in and leading sessions of the company-wide developmental safety and training programs, and supporting revenue targets and quality assurance goals by expanding relationships with existing clients.
  • Candidate must be able to travel to and from various job sites within the assigned region.


Requirements:

  • Completed a Bachelors degree in HVACR, mechanical or electrical engineering, construction management or an associates degree in engineering technology or related trade school, construction, maintenance, or engineering controls experience
  • 7 years employment in a staff or intern position related to maintenance, construction, or engineering controls or 3 years in the Cx industry
  • At least 2 years of Data Center industry experience
  • 5 years of experience managing the interconnectivity of building equipment including pumps, fans, motors, air ventilation, chillers, boilers, steam distribution, heat absorption, building automation systems, optimization techniques, electrical distribution, fire alarm, variable refrigerant flow, and waste-water systems.
  • Knowledge of construction drawings, specifications, bid process, and ancillary industry documents
  • Aptitude to solve problems independently and in a team environment
  • Effective verbal and written communication skills
  • Public speaking and presentation skills
  • Adaptability to varying indoor and outdoor working conditions
  • Physical fitness, capability to lift at least 30 pounds, and ability to climb ladders
  • Proficiency in Microsoft Office


Preferred Qualifications:

  • Trade association involvement
  • EIT, ACP. CEM or similar certification from experience
  • OSHA 30 or other safe workplace certifications
  • Familiarity with building information modeling

Salary.com Estimation for Senior Mechanical Commissioning Engineer - with travel in Chicago, IL
$180,606 to $217,532
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