Mechanical Package Manager in Frankfurt am Main

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Mechanical Package Manager, Frankfurt, Germany

Mercury is the European leader in construction solutions.

We build and manage complex engineering & construction projects for the world’s leading corporations. Our solutions help deliver technologies and life changing advancements that connect people, communities and businesses, giving them the power to achieve incredible things. Our people have the courage to be innovative. Their determination and sharp focus enable us to deliver with certainty, time and time again.

We deliver our clients’ visions through leading edge construction solutions across multiple sectors, including: Enterprise Data Centres, Advanced Technology & Life Sciences, Hyperscale Data Centres, Fire Protection.

At Mercury, it is our duty to encourage and back our people to realise their vision of themselves. We place them at the heart of what we do, providing challenging opportunities to develop within a great team in a supportive environment that allows them to reach their full potential.

Key Responsibilities of the Role:

• Reports to the Mechanical Project Manager and acts as the package owner for the assigned scope (e.g., chilled water, ventilation, plumbing, heat rejection).




• Owns day‑to‑day delivery of the package to safety, quality, schedule, and cost targets; leads internal supervisors/engineers and subcontractors.




• Lead toolbox talks and verify RAMS/permits for the package; implement the package ITP/ITRs and enforce a “Right First Time” culture.




• Review IFC/design drawings and specifications; raise/track RFIs and technical queries; drive BIM/model coordination to resolve clashes and produce construction/fabrication drawings and isometrics.




• Confirm builders’ works, penetrations, supports and setting‑out are complete ahead of installation; maintain redlines and ensure timely as‑builts.




• Develop and manage rolling 3–6 week lookaheads aligned to the baseline; track WBS % complete, labour, material take‑offs and EMR; report variances and recovery actions to the Mechanical PM.




• Support commercial controls with the Project QS: valuations, variations/claims, notifications and change logs; maintain photographic and QA evidence.




• Contribute to tender packages and technical assessments; plan long‑lead equipment and field‑need dates; coordinate FAT/SAT, deliveries, storage/preservation, goods receipting and traceability.




• Coordinate daily with CSA/Electrical/ICT/Fire to secure work fronts and interfaces; verify workmanship and code/spec compliance; manage hold points and quality walkdowns.




• Administer the snagging/punch process and drive real‑time closure.




• Plan and execute pressure tests, flushing/cleanliness, chemical treatment and valve proving as applicable; coordinate functional performance tests and BMS/EPMS integration.




• Compile O&M inputs, QA/Safety File entries and close‑out documentation to achieve area/system handover readiness.




• Operate within the ISO 19650‑aligned CDE; manage transmittals, submittals, approvals, and version control; use model‑based coordination and short‑interval planning dashboards.




• Potable water: DIN EN 806 / DIN 1988 (TRWI); drinking water hygiene: VDI 6023.




• Hydronic systems water treatment: VDI 2035. Refrigeration & cooling safety: EN 378.




• Building automation & controls alignment: ISO 16484 / VDI 3814.

Essential Criteria for the Role:

• Mechanical Engineering degree (or equivalent).




• 3-5 years’ experience delivering mechanical packages on large installation projects (mission‑critical/data centres advantageous).




• Demonstrated leadership of subcontractors and field teams; clear communication and coordination skills.




• Technical competence across HVAC/chilled water/ventilation/plumbing & drainage with BMS interfaces.




• Proven experience with testing & commissioning workflows and close‑out documentation.




• Proficient with BIM/CAD and CDE‑based document control; strong IT skills (Excel, scheduling tools).




• Delivery experience to EN 50600 with familiarity of PUE/WUE targets and energy KPI reporting.




• Hands‑on digital delivery using ISO 19650 CDE workflows and 4D planning.




• Experience coordinating district heat reuse or waste‑heat offtake solutions in compliance with EnEfG.




• Commissioning of high‑density cooling (in‑row, rear‑door, liquid cooling) and integration with facility monitoring.




• Strong negotiation skills and supply‑chain resilience planning for long‑lead mechanical equipment (chillers, AHUs, cooling towers, pumps).




• Refrigeration & cooling safety: comply with EN 378 for refrigerating systems and heat pumps.

Mercury is an equal opportunities employer.

• Trinkwasser: DIN EN 806 / DIN 1988 (TRWI); Trinkwasserhygiene: VDI 6023.

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