Post Job Free
Sign in

Commissioning Manager

Company:
Vallum Associates
Location:
Ashburn, VA
Posted:
September 21, 2026
Apply

Description:

Mechanical Commissioning Manager – Data Centers

Location: Ashburn, Virginia

Employment: Full-time On-site

Vallum Associates is supporting a rapidly expanding data-center developer with the appointment of a Mechanical Commissioning Manager for its Northern Virginia portfolio.

This client-side position will ensure critical mechanical infrastructure is correctly installed, tested and prepared for operational handover. You will work across construction, commissioning and operations teams on large-scale, mission-critical developments.

The Role

You will manage the mechanical commissioning process from design and installation reviews through functional testing, integrated systems testing and final acceptance.

Responsibilities will include:

• Developing commissioning plans, programs and testing strategies

• Reviewing mechanical designs, equipment selections and sequences of operation

• Inspecting installations and confirming systems are ready for testing

• Overseeing functional performance and integrated commissioning activities

• Recording deficiencies and driving corrective actions through to closure

• Coordinating commissioning milestones with construction schedules

• Supporting Factory Acceptance Tests and equipment witness testing

• Managing contractors, consultants and third-party commissioning agents

• Conducting readiness reviews ahead of start-up and building acceptance

• Reviewing test records, commissioning reports and handover documentation

• Ensuring operations teams receive appropriate system training

Systems may include chillers, cooling towers, pumps, hydronic systems, air-handling equipment, computer-room cooling, coolant distribution units, controls, ventilation and fire-protection systems.

Candidate Profile

• Seven or more years of mechanical commissioning experience

• Data-center critical-facilities or comparable mission-critical experience

• Strong knowledge of HVAC, cooling and mechanical plant systems

• Experience reviewing designs and commissioning procedures

• Understanding of construction sequencing, system start-up and handover

• Familiarity with ASHRAE, NFPA and relevant industry standards

• Strong contractor, stakeholder and program-management capabilities

This is an on-site position based in Ashburn. Some travel and additional hours may be required during critical testing and handover periods.

Applicants must be authorized to work in the United States. US citizenship is required.

To apply or arrange a confidential conversation, contact:

Stephen Stuart

VP, Engineering & Mission Critical

Vallum Associates

Full Time

Apply