Mechanical Commissioning Technician

decimainternational; Allen (TX); On-site; USD 85,000 - 125,000; Full time

Job summary

Decima International is seeking a Mechanical Commissioning Technician to join our on-site teams across the United States. You will inspect mechanical equipment, perform pre-functional checks, and support start-up and testing of systems in data centers.

The role requires 5+ years in mechanical commissioning, 2–3 years in data centers, ability to read P&IDs, and willingness to travel up to 75%. You will document results, follow safety protocols, and work in active construction and data center

Qualifications

• 5+ years of commissioning experience on mechanical systems.
• 2–3 years on data center projects.
• Ability to read mechanical drawings and P&IDs.
• Experience with test instruments (flow meters, pressure gauges, thermal imagers, data loggers).
• Clear written and verbal communication; maintain field documentation.
• OSHA 10 or OSHA 30 training, or the ability to obtain it.
• Valid driver's license.
• Authorization to work in the United States; pass background check and drug screen.
• Ability to travel 50–75%, lift 50 lbs, and wear PPE.

Responsibilities

• Inspect delivered and installed mechanical equipment against approved drawings and submittals.
• Perform and witness pre-functional and static checks, including equipment alignment, rotation, valve positions, piping flushing, pressure testing, and sensor verification.
• Support equipment start-up and Level 4 functional performance testing, recording readings and results.
• Support Integrated Systems Testing, including failure scenarios, load testing, and shift coverage.
• Document deficiencies with photographs and clear descriptions and track corrective actions through closure with contractors.
• Complete checklists, test scripts, and daily reports in the commissioning platform.
• Follow site safety procedures, lockout/tagout requirements, and applicable permit requirements.
• Maintain independent reporting in accordance with policy.

Skills

Commissioning experience

Data center projects

P&IDs reading

Test instruments

Field documentation

OSHA trained

Driver's license

Travel 50-75%

Job description

Mechanical Commissioning Technician

Decima International is a professional services company, providing project management and controls services to clients in the United States and the Middle East. Our mission is to become the premier professional services provider across all industry sectors we are engaged in. To accomplish this, Decima International's founders established a simple yet powerful formula: Approach each client engagement as a partnership, create an environment that attracts the most talented professionals and allows them to flourish, and regulate growth to maintain excellence in our service standards. If you are interested in a long and rewarding career working with high-profile clients on some of the most challenging projects in the world, then Decima is where you belong. At Decima, you will be able to explore incredible growth and professional development opportunities.

RESPONSIBILITIES

• Inspect delivered and installed mechanical equipment, including chillers, heat rejection equipment, pumps, air handlers, computer room air handling (CRAH) units, coolant distribution units (CDUs), and piping against approved drawings and submittals.
• Perform and witness pre-functional and static checks, including equipment alignment, rotation, valve positions, piping flushing, pressure testing, and sensor and instrument verification.
• Support equipment start-up and Level 4 functional performance testing, accurately recording readings, setpoints, and results.
• Support Integrated Systems Testing, including failure scenarios, load testing, and shift coverage.
• Document deficiencies with photographs and clear descriptions and track corrective actions through closure with contractors.
• Complete checklists, test scripts, and daily reports in the commissioning platform.
• Follow site safety procedures, lockout/tagout requirements, and applicable permit requirements.
• Maintain accurate and independent reporting in accordance with Decima's conflict-of-interest and independence policy, without influence from contractors or equipment suppliers.

Required Qualifications

• 5+ years of commissioning experience on mechanical systems.
• 2 to 3 years of experience on data center projects.
• Working knowledge of chilled water, air handling, and heat rejection systems.
• Ability to read and interpret mechanical drawings and piping and instrumentation diagrams (P&IDs).
• Experience using test instruments such as flow meters, pressure gauges, thermal imagers, and data loggers.
• Clear written and verbal communication skills and the ability to maintain accurate field documentation.
• OSHA 10 or OSHA 30 training, or the ability to obtain it.
• Valid driver's license.
• Authorization to work in the United States and ability to pass a background check and drug screen.
• Ability to travel 50-75%, work extended site assignments, lift 50 lbs, and wear required personal protective equipment (PPE).

Preferred Qualifications

• Experience with liquid cooling systems, including CDUs, secondary loops, and fluid flushing and filtration.
• Familiarity with building management systems and commissioning tracking platforms.
• Trade or technical certification, such as HVAC/R, pipefitting, or controls technician certification.
• Experience supporting Integrated Systems Testing in a live-load or high-density data center.

POSITION DETAILS

• Primary Location (On-site): Project sites across the United States.
• Position: Mechanical Commissioning Technician.
• Travel: 50-75%, including extended assignments of three weeks or more. Travel, lodging, and per diem are provided per company policy.
• Site Rotation: Planned before each project; typically, two to three weeks on site and one week off site, subject to project requirements and delays.
• Working Conditions: Active construction and data center environments, including work at heights, in mechanical and electrical rooms, and in hot or noisy areas.

Decima International is an Equal Opportunity Employer that is committed to the safety and well-being of all. All qualified applicants will receive consideration for employment without regard to race, religion, creed, color, national origin, ancestry, sex (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, medical condition, marital or domestic partner status, sexual orientation, gender, gender identity, gender expression and tran