Location: Dublin, IrelandReports To: Head of QualityType: Full-TimeAbout CTS GroupCTS Group is a fast-growing international design and build company specialising in data centre development across Europe, the Middle East, and Africa (EMEA). We combine engineering excellence, innovation, and digital transformation to deliver high-performance, sustainable, and future-ready data centre solutions.With over 40 nationalities represented across our teams, CTS fosters a collaborative, inclusive, and high-performance culture where innovation and technical precision drive every project. Beyond construction, CTS develops digital systems and standardised modular data centre units to meet the evolving needs of hyperscalers, colocation providers, and enterprise clients.Our proven track record and strong partnerships have established CTS as a trusted industry leader delivering large-scale, complex data centre facilities with speed, efficiency, and excellence.Role OverviewProvide functional QA leadership for the mechanical scope across multiple data centre projects. This is not a single-site delivery role; it is a governance and assurance position focused on driving consistent standards, verifying implementation through audits, and ensuring actions are closed effectively. The role partners with site teams, package leads, subcontractors and commissioning stakeholders to reduce rework, protect safety and quality, and deliver audit-ready evidence for handover.ScopeApplies to all mechanical systems, inspections and evidence across the portfolio (new build and fit-out).Set and maintain QA governance: audit programme, standards, templates, acceptance criteria and evidence rules.Assurance focus: verify site teams are executing QA/QC correctly; intervene early where drift or repeat issues appear.Closeout focus: ensure audit findings and NCRs are converted into actions, owners, dates, and verified closeout.Pipework fabrication/installation, pressure testing, flushing/chemical cleaning, strainers/filters, and cleanliness control.TAB readiness, air/water balancing evidence, plant installation checks (chillers, CRAHs/AHUs, pumps, valves).Insulation/vapour barrier, labelling/identification, access/maintainability compliance.Controls/BMS interfaces and readiness evidence aligned to commissioning gatesKey AccountabilitiesOwn the portfolio audit plan for the discipline: schedule, risk-based targeting, and minimum cadence per projectPerform regular site audits and surveillance (planned and unannounced where appropriate); issue concise audit reportsCoach site QA/QC and package teams on standards, evidence expectations, and first-time-right behavioursIdentify repeat defects and systemic failures; drive root cause and preventive actions across projects (not just fixes)Escalate high-risk non-conformities early; recommend stop-work triggers for critical quality/safety breaches per governance protocolVerify test packs and handover packs meet contract requirements and are audit-ready in ACC/BIM 360Interface with Commissioning/Client QA where required to align expectations on evidence and readiness gatesCore ResponsibilitiesRun weekly/fortnightly quality calls with each site: audit status, action closure, NCRs, constraints, and upcoming hold pointsReview QA/QC audit evidence submitted by site teams; challenge weak closeouts and require objective verificationSpot-check field installation quality against drawings/specs and workmanship standards; document findings and corrective actionsReview and sample test records/calibration certificates; verify traceability and complianceStandardise ‘what good looks like’ across projects: checklists, photo standards, test pack structure, naming conventions, and gate criteriaFacilitate lessons-learned reviews and publish bulletins to prevent recurrence across the portfolioRequired Skills and ExperienceDegree or diploma in Engineering, Construction Management, Quality Management, or a related discipline.ISO 9001 Internal / Lead Auditor qualification (or equivalent) is desirable.Proven experience in a Lead QA/QC role within construction, ideally in data centres, mission-critical facilities, or large-scale infrastructure projects.Experience working across multiple sites and international projects is highly desirable.Strong understanding of quality systems, audits, and construction QA/QC processes.Strong communication and stakeholder management abilities.Willingness and flexibility to travel frequently across the Scandinavian region.