Senior Commissioning Engineer-Mechanical

About the CompanyKhazna is at the forefront of data center technology, pioneering solutions that combine innovation, resiliency, and sustainability. We empower governments, businesses, and societies to thrive in the AI age with data centers that are designed to handle the high-density computing requirements essential for the next-generation applications powering the future economy.Khazna’s expanding network of data centers safeguard data, provide trusted turnkey solutions, empower ICT strategies, and enable digital transformation for world-class organizations. Khazna offers highly secure, efficient, reliable, and scalable data center spaces, designed to meet the ever-growing demands placed on businesses today.Our mission is to build and orchestrate a comprehensive ecosystem through state-of-the-art data centers that safeguard data, provide trusted turnkey solutions, empower ICT strategies, and enable digital transformation for world-class organizations through highly secure, efficient, reliable, and scalable facilities.Job PurposeLead the planning, coordination and technical oversight of mechanical commissioning activities across assigned data center projects. Verify that mechanical systems meet approved design requirements, contractual specifications, safety standards and operational performance criteria through structured testing, issue resolution and documented acceptance.Coordinate with engineering, construction, commissioning providers and Operations to achieve safe, timely commissioning and a complete handover of reliable, maintainable systems.KEY ACCOUNTABILITIES: Commissioning Planning & Technical ReviewDevelop and maintain mechanical commissioning scope, schedules, resource requirements and testing dependencies within the overall project commissioning plan.Review designs, specifications, sequences of operation and technical submissions for compliance with project requirements, commissioning readiness and maintainability.Review mechanical commissioning plans, method statements, test scripts and acceptance criteria; recommend approval or approve within delegated authority.Identify commissioning risks, constraints and interface requirements early and coordinate mitigation actions.Mechanical Systems Testing & VerificationOversee and witness factory and site acceptance testing, installation verification, pre-commissioning, start-up and functional performance testing, as required by the project scope.Verify the performance of cooling and ventilation systems, including chillers, pumps, heat rejection equipment, air-handling equipment, chilled-water networks and associated systems, as applicable.Verify completion and acceptance of pressure testing, flushing, water treatment, testing and balancing, and equipment checks before subsequent testing stages.Validate system capacity, environmental conditions, control sequences, alarms and performance against approved acceptance criteria.Integrated Systems & Resilience TestingCoordinate mechanical interfaces with electrical systems, Building Management Systems (BMS) and other monitoring and control platforms.Develop and validate mechanical elements of integrated systems testing, including simulated load, failure, recovery and redundancy scenarios.Review temporary load arrangements and test configurations with relevant disciplines, contractors and Operations.Verify that testing demonstrates the required cooling resilience and recovery performance without introducing unacceptable operational risk.Defect Resolution & Technical AssuranceMaintain commissioning issue and defect logs, assigning actions and tracking resolution against agreed priorities and deadlines.Lead technical investigations and root cause analysis of mechanical commissioning failures and coordinate corrective actions.Verify corrective work and retesting, ensuring evidence supports closure of defects and non-conformances.Escalate unresolved technical risks, failed acceptance criteria and matters affecting safety, reliability or project milestones.Project Coordination & Provider PerformanceCoordinate commissioning activities with Engineering, Construction, Operations, Procurement, contractors, equipment manufacturers and commissioning providers.Define technical scopes and support the evaluation of commissioning provider proposals with Procurement and the Director – Commissioning.Monitor provider deliverables, technical quality, resource adequacy and progress against agreed requirements.Identify schedule conflicts, resource gaps and changes affecting commissioning scope, cost or delivery; recommend corrective actions.Operational Readiness & HandoverVerify the completeness and accuracy of test records, commissioning reports, operating and maintenance manuals, as-built information and relevant equipment records.Coordinate Operations involvement in testing, system familiarisation and training.Confirm that outstanding defects, operating restrictions and residual risks are documented and escalated before handover.Recommend mechanical system acceptance and readiness for handover based on verified results and agreed acceptance criteria.Coordinate deferred or seasonal testing and post-handover defect resolution, where applicable.Financial & Performance OversightTechnical evaluations of commissioning agent’s proposals and performance.Oversee multiple projects timelines and optimize commissioning resources allocations.Reporting, Insights & Executive EngagementProvide clear reports on commissioning progress, test results, outstanding defects, risks and readiness for upcoming milestones.Maintain accurate commissioning records and dashboards using approved systems and templates.Capture lessons learned and recommended improvements to testing methods, standard documentation and commissioning practices.Policies, Systems, Processes & ProceduresFollow all relevant departmental policies, processes, standard operating procedures, and instructions so that work is carried out in a controlled and consistent manner.Continuous ImprovementContributes to the identification of opportunities for improvement, simplification and optimization considering standards, productivity and cost reduction.Quality, Health, Safety & EnvironmentEnsure commissioning activities follow approved risk assessments, method statements, permit-to-work requirements and applicable isolation procedures.Verify testing readiness, including safe access, system boundaries, calibrated instruments and emergency arrangements.Intervene and escalate unsafe activities in accordance with company procedures.Comply with applicable quality, health, safety and environmental requirements.Related AssignmentsThe job holder may be required to undertake additional duties, which may be reasonably expected and forms part of the function of the job. QUALIFICATIONS, EXPERIENCE, & SKILLSMinimum QualificationsBachelor’s degree in mechanical engineering or a related engineering discipline.A recognized commissioning or building services certification is an advantage.Minimum ExperienceMinimum six years of relevant mechanical engineering and commissioning experience, including substantial hands-on experience in data center or comparable mission-critical projects.Demonstrated experience in mechanical functional testing, integrated systems testing, troubleshooting and operational handover.Experience coordinating contractors, commissioning providers and equipment manufacturers.Job-Specific Skills Strong knowledge of data center cooling systems, mechanical plant and associated controls.Ability to interpret engineering drawings, specifications, schematics and sequences of operation.Proficiency in commissioning planning, test procedures, performance verification and acceptance criteria.Knowledge of mechanical installation checks, water systems preparation, testing and balancing, and equipment start-up.Understanding of resilience, redundancy, failure scenarios and mechanical–electrical system interfaces.Strong troubleshooting, root cause analysis and defect management skills.Knowledge of applicable engineering standards, manufacturer requirements and safe testing practices.Proficiency in commissioning platforms, reporting tools and MS Office.Clear technical writing, stakeholder coordination and communication skills.