Senior Mechanical Engineer (AE) - Technical Operations EMEA

Senior Mechanical Engineer (AE), Technical Operations – EMEA

Role Summary

The Senior Mechanical Engineer provides technical leadership and governance for mechanical and cooling infrastructure across STACK Infrastructure’s EMEA portfolio.

Acting as the Authorising Engineer (AE) for Mechanical Safety Rules, you will help shape how critical cooling and mechanical systems are designed, commissioned, operated and maintained across multiple European markets.

Working closely with Operations, Engineering, Delivery and vendor partners, you will influence the resilience, efficiency and performance of infrastructure supporting a rapidly expanding data centre portfolio. This role offers the opportunity to shape cooling and mechanical infrastructure strategies across a growing portfolio of hyperscale and mission\-critical facilities.

Key Responsibilities

• Provide technical leadership and expert guidance on mechanical and cooling systems across the EMEA portfolio.


• Develop and maintain mechanical engineering standards, equipment specifications and resilience strategies aligned to STACK operational requirements.


• Support modelling, performance analysis and validation of mechanical and cooling systems.


• Review design and engineering documentation, technical submissions and commissioning activities to ensure compliance with operational and performance requirements.


• Support commissioning, operational acceptance and handover activities for new facilities, expansions and major upgrades.


• Define and assure operational acceptance criteria, testing requirements and documentation standards to support successful transition into live operations.


• Serve as the Authorising Engineer (AE) for Mechanical Safety Rules, ensuring robust governance, safe systems of work and compliance with applicable regulations and standards.


• Support asset lifecycle planning, reliability initiatives and continuous improvement programmes across the portfolio.


• Conduct technical assurance reviews and site audits, identifying opportunities to improve safety, resilience and operational performance.


• Provide technical escalation support during major incidents, supporting high\-quality root cause analysis and corrective action planning.


• Identify opportunities to improve cooling performance, operational efficiency and water utilisation.


• Provide technical oversight of vendors, contractors and service providers, ensuring consistency and quality across facilities.


• Coach and mentor engineers and operational teams, supporting capability development across the EMEA portfolio.

• Extensive experience working with mission\-critical mechanical and cooling infrastructure, ideally within data centre environments.


• Experience reviewing and supporting the design of mission\-critical mechanical systems.


• Advanced knowledge of cooling systems, mechanical plant and critical infrastructure used within high\-availability facilities.


• Strong understanding of resilience, operational risk management and asset lifecycle considerations within live critical environments.


• Experience supporting design reviews, commissioning, operational acceptance and technical assurance activities.


• Proven ability to develop engineering standards, governance frameworks and operational best practices.


• Strong analytical and problem\-solving capability with a structured approach to risk management and decision\-making.


• Ability to influence, coach and collaborate effectively across engineering, operations and delivery teams.


• Degree, HND/HNC or equivalent in Mechanical Engineering or a related discipline, or equivalent demonstrable experience.


• Professional accreditation or chartership is desirable.


• Strong written and verbal English language skills.


• Experience working across multiple European markets is advantageous.

• Work on critical digital infrastructure, supporting the development and operation of some of the world’s most advanced data centre environments.


• Build your future with STACK, gaining exposure to large\-scale projects and clear opportunities for professional growth across a fast\-growing European platform.


• Competitive compensation and benefits designed to support you both professionally and personally.

STACK is a proven, trusted partner for the world’s most innovative companies, designing, developing and operating sustainable global digital infrastructure. Backed by an unmatched record of reliable delivery and development expertise, STACK brings speed, scale, certainty and responsibility to the demands of a rapidly evolving digital infrastructure landscape.

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