Senior Mechanical Engineer - Technical Operations EMEA

STACK Infrastructure; Milano; On-site; EUR 56,000 - 71,000; Full time

Benefits offered by this job

RAL: €56,000–€71,000 + bonus

CCNL Commercio contratto

Meal vouchers & welfare program

Healthcare and pension scheme

Professional growth in European data‑c

Job summary

STACK Infrastructure seeks a Senior Mechanical Engineer (AE) to lead mechanical and cooling infrastructure across its EMEA portfolio. You will act as Authorising Engineer for Mechanical Safety Rules, shaping design, commissioning, operation and maintenance of critical cooling systems.

You will collaborate with Operations, Engineering, Delivery and vendors to improve resilience, efficiency and performance of hyperscale facilities.

Qualifications

• Experience with mission-critical mechanical and cooling systems in data centres.
• Ability to develop engineering standards and governance frameworks.
• Strong written and verbal English communication.

Responsibilities

• Provide technical leadership on mechanical and cooling systems for the EMEA portfolio.
• Develop and maintain mechanical engineering standards and resilience strategies.
• Support modelling, performance analysis and validation of systems.
• Review design and commissioning documentation for compliance.
• Support commissioning, acceptance and handover activities for new facilities and upgrades.
• Act as Authorising Engineer for Mechanical Safety Rules.

Skills

Mission-critical systems

Cooling infrastructure

Data centre environments

Engineering standards

English communication

Professional accreditation

Education

Mechanical Engineering degree or equivalent

Job description

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.

What You’ll Bring

• 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.

Cosa offriamo / What we Offer

• Fascia Retributiva (RAL): 56.000 € - 71.000 € + premio di risultato.
• Contratto CCNL Commercio (Terziario, Distribuzione e Servizi).
• Buoni pasto e piano welfare aziendale.
• Assistenza sanitaria e accesso al fondo pensione Font.Te, secondo quanto previsto dal CCNL.
• Contribuirai allo sviluppo e alla gestione di infrastrutture digitali mission-critical, operando in alcuni degli ambienti data centre più avanzati d’Europa.
• Cresci con STACK, acquisendo esperienza su progetti di grande scala e cogliendo concrete opportunità di crescita professionale all’interno di una piattaforma europea in forte espansione.

La fascia retributiva indicata rappresenta il range previsto per il ruolo. La retribuzione sarà determinata in modo equo e trasparente all’interno di tale fascia, sulla base dell’esperienza professionale, delle competenze e delle qualifiche del candidato.

About STACK Infrastructure

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.