Core provides independent data centre consultancy and technical advisory services that help clients navigate complexity, reduce risk and deliver mission-critical infrastructure with confidence. Supporting projects from early design through construction, commissioning and operational readiness, Core brings together regional expertise and global capability to provide independent insight, assurance and technical support throughout the infrastructure lifecycle.
Role Overview
The Mechanical Engineer is responsible for planning, coordinating, and delivering L2–L5 commissioning activities for assigned systems or areas, ensuring technical compliance, quality, and readiness for acceptance.
The role balances technical delivery, documentation, and stakeholder coordination.
Key Responsibilities
L2 – Installation Verification
- Lead verification of installation readiness.
- Review and approve installation checklists, ITPs, and Method Statements.
- Ensure installations meet commissioning entry criteria.
L3 – Individual Element
- Commissioning Plan and witness commissioning of individual items of plant and equipment.
- Verify correct operation, settings, controls, and protections.
- Confirm stability before progression to system testing.
L4 – System Functional Testing
- Coordinate and witness system functional tests.
- Verify sequences of operation and system responses.
- Confirm compliance with design intent and operational requirements.
L5 – Integrated Systems Testing
- Support Integrated Systems Testing activities.
- Validate resilience and recovery outcomes for assigned systems.
- Assist in client demonstrations and acceptance activities.
Authority & Decision-Making
- Can approve progression between commissioning stages within defined scope.
- Recommends acceptance or rejection of test results.
Technical Skills & Experience
- 5–8 years commissioning experience in mission-critical or complex facilities.
- MUST have proven Data Centre or critical infrastructure exposure.
- Strong technical documentation and coordination skills.
Performance Measures
- Technical accuracy and robustness of testing
- Timely issue resolution and close-out
- Quality and completeness of documentation
We are committed to equal opportunities and welcome applications from all sections of the community.
Skills Required
- 5-8 years commissioning experience in mission-critical or complex facilities
- Proven data centre or critical infrastructure exposure
- Strong technical documentation and coordination skills
What We Do
Global Commissioning is a specialist firm providing independent commissioning management, certification, and verification services for data center projects. They operate across the UK, Europe, and South Africa, focusing on ensuring that complex data center systems are safe, compliant, and ready for operation. Their team of technical authorities applies rigorous standards to project delivery, supporting clients throughout the lifecycle of their infrastructure projects to ensure performance and reliability.
