Mechanical Commissioning Engineer - (Data Center)
Veolia Environnement SA · New York, NY, United States · Posted Jun 30, 2026
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Position Purpose:
Project Engineer – Performs commissioning of mechanical systems. Must be a selfmotivated & energetic professional. Must have understanding of building mechanical systems design, construction & operation. Must have experience with commissioning process of mechanical systems ranging in size, rating and complexity. The ideal candidate shall possess theoretical and practical knowledge in the commissioning, testing and troubleshooting of mechanical systems and related controls. Candidate will be responsible for reviewing project information; executing daily field activities; maintaining project documentation; assisting the Senior Project Engineer; and providing guidance to associate project engineers. This role requires the candidate to have technical competency, organizational skills and is expected to work well in a team environment.
Primary Duties/Responsibilities:
Commission mechanical, plumbing & fire alarm and suppression equipment and related controls, primarily in data center environments.
Review system designs for compliance with client facility goals.
Assist with preparing plans and procedures for execution of the commissioning process.
Conduct commissioning activities from the design phase through the occupation phase, in accordance with client requirements and industry commissioning process best practices.
Attend factory testing of equipment and document procedures and results.
Conduct functional testing of equipment and measure results using test instrumentation.
Fully document all field procedures including results, issues and observations either via company provided templates or online applications.
Report on system performance and make technical recommendations on issues.
Work with project teams to coordinate and execute field activities.
Review and provide input on commissioning project documentation and schedules.
Assist with submitting and maintaining daily commissioning reports.
Assist in the training of Associate Project Engineers.
Respond to project team and client inquiries in a professional and timely manner.
Comply with company, client, and project safety requirements.
Be knowledgeable with Mechanical, Plumbing & FLS building systems & equipment, including, but not limited to: Air Cooled Chiller
Water Cooled Chiller
Cooling Tower
Direct Evaporative Cooling System
Air Handling Unit
Computer Room Air Conditioning Unit
Process Water Plants
Boilers
Fuel Systems
Backup generators
Gas turbines
Reciprocating engines
Steam turbines
Selective catalytic reduction systems
Fan Coil Unit
DX Split System
Fan Array
Chemical Injection System
Variable Frequency Drive
Variable Refrigerant Volume System
Rooftop Unit
Variable Air Volume Unit
Makeup Air Unit
Hydronic Pump
Leak Detection
Heat Trace
DDC & PLC Controls
Fire Pumps & Controller
Pre-Action Fire Suppression System
Fire Alarm Control Panel
VESDA System
Domestic Water Pumps & Heaters
Work Environment:
Travel nationwide 50% - 75% if not assigned locally; may have periods of higher travel expectation
Education/Experience/Background:
BSc/MSc in Mechanical Engineering with 2 or more years with mission critical project experience, or relevant and applicable industry mechanical and/or controls experience or a minimum of 4 or more years of experience in commissioning with mission critical project experience, or relevant and applicable industry mechanical and/or controls experience.
Experience in Mission Critical facility commissioning essential.
Control and programming experience is a plus.
Knowledge/Skills/Abilities:
Organized, detail-oriented, analytical, proactive, problem solver.
Good communication and relationship skills.
Effective written and verbal communication skills.
Ability to manage multiple tasks simultaneously and work with limited supervision.
Knowledge & experience with ASHRAE or BCxA commissioning guidelines preferred.
Reasonable understanding of building management systems (BMS) and/or electrical power monitoring system (EPMS).
Deep understanding and application of test instrumentation.
Team player and a “client-first” mentality.
Required Certification/Licenses/Training:
Professional Engineers (PE) License and/or a commissioning certification a plus but not required.
Physical Requirements:
Ability to walk up to 5 miles per day.
Carry up to 50 lbs.
Ability to wear required PPE daily.
Benefits: Veolia’s comprehensive benefits package includes paid time off policies, as well as health, dental, vision, life insurance, savings accounts, tuition reimbursement, paid volunteering and more. In addition, employees are also entitled to participate in an employer sponsored 401(k) plan, to save for retirement.
We are an Equal Opportunity Employer! All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.
Disclaimer: The salary, other compensation, and benefits information is accur…