Mechanical Commissioning Associate - Liquid Cooling Systems

Senior Mechanical Commissioning Engineer – Liquid Cooling Systems – Atlanta, GA
This opportunity is with a Leader in Critical Facilities Assessment and Commissioning Services in the U.S., supporting complex mechanical infrastructure for Enterprise, Colocation, and Hyperscale Data Centers. This firm delivers commissioning, consulting, and project management services with a focus on reliability, energy efficiency, and sustainability. This role is ideal for candidates seeking a career-growth-minded position with cutting-edge technology, high-impact projects, and competitive compensation and benefits.

We are seeking a Senior Mechanical Commissioning Engineer with specialized experience in liquid cooling systems, process piping, and water treatment technologies. This position will play a critical role in the commissioning and validation of mechanical systems within mission-critical facilities, ensuring these environments perform to the highest standards in uptime and efficiency.

Responsibilities:

• Execute Level 1–5 commissioning for mission-critical environments, ensuring thorough testing, verification, and documentation
• Commission advanced liquid cooling systems, including chillers, CRAC/CRAH units, water-cooled technologies, and process piping systems
• Apply a deep understanding of cooling technologies, water treatment, and HVAC systems in data centers or similar high-stakes environments
• Conduct equipment pre-start-up and start-up procedures, develop SOPs and MOPs, and complete comprehensive commissioning documentation
• Prepare and execute commissioning test procedures and functional tests for all major MEP systems
• Develop and maintain commissioning logs, equipment checklists, and issue tracking tools
• Write detailed commissioning reports, including operational recommendations, functional testing checklists, and deficiency lists
• Review project documents including design drawings, submittals, and specifications, providing feedback to ensure design intent is met
• Interface with clients, vendors, contractors, and project stakeholders, acting as the commissioning lead on-site
• Assist with field troubleshooting, confirm results of test reports, and work with QA/QC teams to meet project goals
• Support integrated system testing and load bank testing
• Attend and contribute to commissioning meetings, construction coordination sessions, and interface with all facets of the company

Qualifications:

• 8–13 years of experience in mechanical/HVAC commissioning, with a strong emphasis on liquid cooling systems and process piping
• Proven commissioning experience in mission-critical industries such as data centers, pharmaceuticals, semiconductors, or other industrial environments
• Bachelor's degree in Mechanical Engineering preferred
• PE or EIT license a strong plus
• LEED Accreditation is a plus
• Experience with ASHRAE standards, especially ASHRAE T.C. 9.9, is highly desirable
• Advanced understanding of water-cooled systems, chilled water loops, water treatment processes, and thermal system dynamics
• Strong technical writing and communication skills—must be able to generate thorough, professional documentation
• Familiarity with Microsoft Office Suite, including Word, Excel, and Project
• Willingness to travel to project sites as needed
• Previous experience in the military or veteran status a huge plus! Ideal candidates include those with mechanical or electrical backgrounds in the Navy (EMN, ETN, MMNs, Seabees), Army (Power Generation), Air Force (Power Production), Generator Techs, Maritime, Coast Guard, or National Guard

Submittal Instructions:
Please apply directly by clicking the link below, alternatively you can forward your resume directly to: [email protected]

After applying, if you have further questions, you may call 973-895-5200 and ask for Iggy. You can also submit via our career portal and take a look at other Critical Facility openings we are working on at,

If this job is not for you, feel free to forward this along. WE PAY FOR REFERRALS!!

Company offers competitive salaries and benefits package including medical insurance, a 401(k) plan
EOE/AA Employer M/F/D/V
Pkaza LLC is a third-party employment firm. All fees assessed by Pkaza LLC will be paid by our employer that we represent and not by the candidate