Mechanical QA/QC Lead

John Sisk & Son Ltd; Region Midtjylland; On-site; DKK 800,000 - 1,000,000; Full time

Job summary

Sensori seeks a Mechanical QA/QC Lead to own quality assurance for mechanical installations from FAT to client handover. You will develop quality plans, manage FATs/SATs, lead audits, and drive NCR closures across HVAC, piping and related plant.

Travel to project sites will be required. Strong knowledge of data centre cooling infrastructure and quality systems is essential for success in this role.

Qualifications

• Mechanical trade qualification or degree in Mechanical Engineering or Building Services Engineering.
• Proven QA/QC experience on large-scale mechanical projects involving HVAC systems, chilled water systems, piping installations, pumps, heat exchangers and associated mechanical plant.
• Thorough knowledge of mechanical codes, standards and industry best practice, including inspection and test plan methodology and quality management processes.
• Hands-on experience reviewing and witnessing pressure testing, flushing, chemical cleaning, leak testing, balancing (TAB), equipment alignment and commissioning activities.
• Strong understanding of data centre mechanical infrastructure including cooling systems, chilled water networks, CRAH/CRAC units, AHUs, pipework systems and BMS integration.
• Skilled in leading audits, presenting findings and influencing multidisciplinary teams, subcontractors and clients.
• Experience reviewing mechanical test packs, commissioning documentation, red-line drawings, as-built records and turnover packages.
• Proficient in Excel, Word and PowerPoint, with experience of quality management systems, databases and document control platforms.
• Methodical, decisive and resilient, with excellent attention to detail and strong written and verbal communication skills.
• Ability to work independently while managing multiple stakeholders across fast-paced project environments.
• Willing to travel between project sites as project and programme requirements dictate.

Responsibilities

• Develop and maintain the project quality plan, mechanical inspection and test plans (ITPs), commissioning checklists and technical quality documentation aligned to client specifications.
• Plan and manage factory acceptance tests (FATs) and site acceptance tests (SATs) for mechanical equipment, scheduling witness and hold points and ensuring all results are recorded within Sensori's quality management system.
• Lead internal and external audits of mechanical installations including HVAC systems, chilled water and condenser water pipework, pumps, valves, CRAH/CRAC units, heat exchangers and associated plant; liaise with certification bodies and close out findings promptly.
• Carry out walkdowns, system inspections, pressure testing reviews, flushing verification, cleanliness inspections and punch‑list verification ahead of commissioning and client handover.
• Raise, investigate and close non‑conformance reports (NCRs); capture lessons learned and update procedures to prevent recurrence across current and future projects.
• Act as the client's primary mechanical quality contact, presenting quality performance reports, inspection results and responses to audit requests.
• Review and approve subcontractor method statements, testing procedures, commissioning documentation and workmanship standards; ensure third‑party inspectors and specialist contractors operate to Sensori quality requirements.
• Maintain the mechanical quality portal and document control systems, ensuring as‑built drawings, test records, flushing reports, pressure test certificates, TAB reports and commissioning documentation remain current and complete.
• Record defects, installation issues and delays, provide substantiated quality evidence for commercial claims or disputes and advise project teams on mitigation measures.
• Coach site supervisors, mechanical trades and subcontractors on inspection requirements, quality expectations and right‑first‑time installation practices.
• Support commissioning and integrated systems testing activities to ensure mechanical installations are delivered safely, efficiently and in accordance with project requirements.
• Travel to project sites as required for inspections, audits, witness testing and handover activities.

Skills

QA/QC experience

HVAC systems knowledge

Data centre familiarity

Audits & inspections

Documentation control

Excel/Word/PowerPoint

Strong communication

Education

Mechanical engineering degree

Building Services Engineering degree

HNC/HND in Mechanical Engineering

Mechanical trade apprenticeship

Tools

Excel

Word

PowerPoint

Quality management system software

Document control software

Job description

The senior site authority for mechanical quality, from factory acceptance to defensible client handover.

Role Overview

The Mechanical QA/QC Lead owns quality assurance and control for all mechanical installations on Sensori projects. The role establishes the project quality plan and inspection and test plans, oversees factory and site acceptance programmes, leads audits of HVAC, chilled water, piping and associated mechanical systems, and drives non-conformances to closure. Working alongside project managers, site teams, subcontractors and clients, the Mechanical QA/QC Lead ensures installations meet applicable industry standards, client specifications and regulatory requirements, and that every handover package is complete, accurate and stands up to scrutiny.

Principal Duties and Responsibilities

• Develop and maintain the project quality plan, mechanical inspection and test plans (ITPs), commissioning checklists and technical quality documentation aligned to client specifications.
• Plan and manage factory acceptance tests (FATs) and site acceptance tests (SATs) for mechanical equipment, scheduling witness and hold points and ensuring all results are recorded within Sensori's quality management system.
• Lead internal and external audits of mechanical installations including HVAC systems, chilled water and condenser water pipework, pumps, valves, CRAH/CRAC units, heat exchangers and associated plant; liaise with certification bodies and close out findings promptly.
• Carry out walkdowns, system inspections, pressure testing reviews, flushing verification, cleanliness inspections and punch‑list verification ahead of commissioning and client handover.
• Raise, investigate and close non‑conformance reports (NCRs); capture lessons learned and update procedures to prevent recurrence across current and future projects.
• Act as the client's primary mechanical quality contact, presenting quality performance reports, inspection results and responses to audit requests.
• Review and approve subcontractor method statements, testing procedures, commissioning documentation and workmanship standards; ensure third‑party inspectors and specialist contractors operate to Sensori quality requirements.
• Maintain the mechanical quality portal and document control systems, ensuring as‑built drawings, test records, flushing reports, pressure test certificates, TAB reports and commissioning documentation remain current and complete.
• Record defects, installation issues and delays, provide substantiated quality evidence for commercial claims or disputes and advise project teams on mitigation measures.
• Coach site supervisors, mechanical trades and subcontractors on inspection requirements, quality expectations and right‑first‑time installation practices.
• Support commissioning and integrated systems testing activities to ensure mechanical installations are delivered safely, efficiently and in accordance with project requirements.
• Travel to project sites as required for inspections, audits, witness testing and handover activities.

Selection Criteria / Person Specification

• Mechanical trade qualification, apprenticeship, HNC/HND, or degree in Mechanical Engineering or Building Services Engineering.
• Proven QA/QC experience on large‑scale mechanical projects involving HVAC systems, chilled water systems, piping installations, pumps, heat exchangers and associated mechanical plant. Data centre, pharmaceutical, industrial or mission‑critical facility experience is essential.
• Thorough knowledge of mechanical codes, standards and industry best practice, including inspection and test plan methodology and quality management processes.
• Hands‑on experience reviewing and witnessing pressure testing, flushing, chemical cleaning, leak testing, balancing (TAB), equipment alignment and commissioning activities.
• Strong understanding of data centre mechanical infrastructure including cooling systems, chilled water networks, CRAH/CRAC units, AHUs, pipework systems and BMS integration.
• Skilled in leading audits, presenting findings and influencing multidisciplinary teams, subcontractors and clients.
• Experience reviewing mechanical test packs, commissioning documentation, red‑line drawings, as‑built records and turnover packages.
• Proficient in Excel, Word and PowerPoint, with experience of quality management systems, databases and document control platforms.
• Methodical, decisive and resilient, with excellent attention to detail and strong written and verbal communication skills.
• Ability to work independently while managing multiple stakeholders across fast‑paced project environments.
• Willing to travel between project sites as project and programme requirements dictate.