Mechanical Commissioning Engineer – Hybrid

Decima International

. Review mechanical designs, specifications, and submittals against owner’s project requirements .

Posted 11/3/2026full-timeAllen • Texas • United StatesSeniorLeadWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive experience in commissioning mechanical systems, particularly in data center projects, with a strong focus on chilled water systems, air handling, and compliance with design requirements. Capable of developing test procedures, leading inspections, and mentoring technicians while ensuring adherence to safety and reporting standards.

Highest-signal resume keywords

Commissioning ExperienceData Center ProjectsMechanical Engineering DegreeTest Procedure DevelopmentProfessional Certification (PE, CxA, CPMP)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Chilled Water SystemsHeat Rejection SystemsAir Handling SystemsPumping SystemsTest Script DevelopmentMechanical Drawings InterpretationP&IDs AnalysisIntegrated Systems TestingFunctional Performance TestingTechnical Dispute Resolution

Soft Skills

Strong Written CommunicationStrong Verbal CommunicationMentoringCollaborationProblem-Solving

Certifications & Qualifications

Professional Engineer (PE)Certified Commissioning Authority (CxA)Certified Commissioning Process Management Professional (CPMP)

Industry Keywords

ASHRAE Guidelines 0ASHRAE Guidelines 1.1Uptime Institute PracticesCooling DesignFactory Acceptance TestsSite InspectionsSafety ProceduresConflict-of-Interest PolicyFluid QualityHigh-Density AI Deployments

About the role

Key responsibilities & impact

Review mechanical designs, specifications, and submittals against owner’s project requirements
Develop commissioning plans, test procedures, and acceptance criteria for mechanical cooling systems
Witness factory acceptance tests and lead site inspections, pre-functional checks, and Level 4 functional performance testing
Lead the mechanical scope of Integrated Systems Testing, including cooling failure scenarios, restart sequences, and thermal ride-through under load
Review sequences of operation and controls integration with the controls engineer
Analyze test data, resolve technical disputes, and determine compliance with design requirements and acceptance criteria
Track deficiencies through closure, report commissioning progress, and prepare test reports
Lead and mentor commissioning technicians and coordinate with contractors, designers, and operators
Follow site safety procedures and applicable testing and permit requirements
Maintain independent reporting in accordance with Decima’s conflict-of-interest and independence policy

Requirements

What you’ll need

7 to 10 years of commissioning experience on mechanical systems
At least 5 years of experience on data center projects, including participation in at least one Integrated Systems Test
Bachelor’s degree in mechanical engineering or a related field, or equivalent experience
Strong knowledge of chilled water, heat rejection, air handling, pumping systems, and data center cooling design
Ability to develop test scripts and procedures and interpret mechanical drawings, P&IDs, and sequences of operation
Strong written and verbal communication skills, including the ability to report technical findings clearly and objectively
Authorization to work in the United States
Ability to pass a background check and drug screen
Ability to travel 50–75% and work extended site assignments
Ability to lift 50 lbs and wear required PPE
Preferred: experience with liquid cooling and high-density AI deployments, including CDUs, facility water loops, and fluid quality
Preferred: professional certification or license such as PE, CxA, or CPMP
Preferred: familiarity with ASHRAE Guidelines 0 and 1.1 and Uptime Institute practices
Preferred: experience supporting multiple owner programs or international projects

Benefits

Comp & perks

Travel, lodging, and per diem are provided per company policy
Professional development opportunities
Growth opportunities
Equal opportunity employment