Data Center Commissioning Manager – Onsite, KSA (UK/US citizens only)

About the role

Decima International is seeking an experienced Commissioning Manager to lead commissioning activities for mission‑critical data centre projects in Saudi Arabia. The role will own the Commissioning Management Plan, oversee L1‑L5 testing, and coordinate all parties through final testing, turnover and acceptance.

Key responsibilities

• Develop, implement and maintain the Project Commissioning Management Plan.
• Lead commissioning planning, readiness assessments, stage‑gate reviews and execution.
• Monitor progress against milestones, review and sign‑off L1‑L5 test results and turnover packages.
• Oversee Functional Performance Testing and Integrated Systems Testing.
• Coordinate contractors, consultants, vendors and the Owner to resolve commissioning issues.
• Identify risks, manage corrective actions and ensure compliance with specifications and industry standards.

Required profile

• Bachelor’s degree in Mechanical, Electrical, Electromechanical Engineering or related field.
• Certified Commissioning Authority (CxA) certification.
• Significant experience managing commissioning on mission‑critical or data‑centre projects.
• Strong knowledge of mechanical, electrical, controls and other MEP systems.

Required skills

• Certified Commissioning Authority (CxA) credential.
• Experience with L1‑L5 commissioning processes.
• Functional Performance Testing and Integrated Systems Testing.
• Development and implementation of Commissioning Management Plans.
• Use of electronic commissioning management and document control platforms.