Mechanical Design Engineer - Hosting

Hamilton Barnes Associates Limited; Greater London; On-site; GBP 90,000 - 150,000; Full time

Job summary

Hamilton Barnes Associates Limited is seeking a Principal Mechanical Program Engineer to lead mechanical design and cooling strategy across a growing EMEA data centre portfolio. You will drive engineering standards, oversee CFD analyses, and guide procurement and project teams to deliver high-performance infrastructure.

The role requires a degree in mechanical engineering and 10+ years in data center environments, with strong stakeholder leadership and travel across the region.

Qualifications

• Degree in Mechanical Engineering or related discipline.
• 10+ years' experience in data center or mission-critical environments.
• Strong knowledge of data center cooling systems, chilled water infrastructure, CRAH/CRAC systems, HVAC design, and heat rejection systems.
• Control strategies and BMS integration.
• Proven experience performing CFD modelling and thermal analysis.
• Understanding of ASHRAE guidelines, pPUE and energy efficiency metrics, and building/fire codes.
• Experience with large-scale EMEA data center developments.
• Strong stakeholder management and technical leadership skills.
• Willingness to travel across EMEA when required.

Responsibilities

• Provide mechanical engineering leadership for site selection, master planning, and early-stage development activities.
• Review site acquisition opportunities, campus layouts, and test-fit designs from a mechanical perspective.
• Support mechanical design strategy across multiple EMEA data center projects.
• Lead development and maintenance of mechanical design standards, specifications, and engineering guidelines.
• Drive standardisation of cooling infrastructure and mechanical equipment across the portfolio.
• Support procurement teams with technical evaluation and vendor engagement for major mechanical equipment packages.
• Develop and assess value engineering initiatives and innovation opportunities.
• Support implementation of modular and prefabricated design solutions using DfMA principles.
• Conduct CFD modelling and thermal analysis to validate cooling strategies and airflow performance.
• Provide technical guidance and mentorship to project engineering teams.
• Ensure mechanical systems are coordinated with electrical, structural, architectural, and operational requirements.
• Support project teams through design reviews, troubleshooting, and specialist technical input when required.

Skills

Degree in Mechanical Engineering

10+ years data center experience

Data center cooling systems

Chilled water infrastructure

CRAH / CRAC systems

HVAC design

Heat rejection systems

Control strategies and BMS integration

CFD modelling and thermal analysis

ASHRAE guidelines

pPUE and energy efficiency metrics

Building and fire codes knowledge

Mission-critical infrastructure design

Stakeholder management

Willingness to travel across EMEA

Education

Degree in Mechanical Engineering or related discipline

Job description

Are you looking for an exciting new opportunity?

Join a global digital infrastructure provider supporting AI and cloud innovation through large-scale data centre developments across North America, EMEA, and Asia Pacific. The organisation delivers high-performance infrastructure at scale, with a strong focus on engineering excellence and customer success.

This opportunity is for a Principal Mechanical Program Engineer to provide strategic engineering leadership across a growing EMEA data centre portfolio. The role focuses on mechanical design standards, cooling innovation, product development, and technical governance while working closely with development, engineering, procurement, and construction teams. The initial contract is for six months, with a strong possibility of extension.

If you would like to learn more about this opportunity, feel free to reach out and apply today!

Responsibilities

• Provide mechanical engineering leadership for new site selection, master planning, and early-stage development activities.
• Review site acquisition opportunities, campus layouts, and test-fit designs from a mechanical perspective.
• Support mechanical design strategy across multiple EMEA data center projects.
• Lead development and maintenance of mechanical design standards, specifications, and engineering guidelines.
• Drive standardisation of cooling infrastructure and mechanical equipment across the portfolio.
• Support procurement teams with technical evaluation and vendor engagement for major mechanical equipment packages.
• Develop and assess value engineering initiatives and innovation opportunities.
• Support implementation of modular and prefabricated design solutions using DfMA principles.
• Conduct CFD modelling and thermal analysis to validate cooling strategies and airflow performance.
• Provide technical guidance and mentorship to project engineering teams.
• Ensure mechanical systems are coordinated with electrical, structural, architectural, and operational requirements.
• Support project teams through design reviews, troubleshooting, and specialist technical input when required.

Skills / Must Have

• Degree in Mechanical Engineering or related discipline.
• 10+ years' experience in data center or mission-critical environments.
• Strong knowledge of:
  • Data center cooling systems
  • Chilled water infrastructure
  • CRAH / CRAC systems
  • HVAC design
  • Heat rejection systems
• Control strategies and BMS integration
• Proven experience performing CFD modelling and thermal analysis.
• Strong understanding of:
  • ASHRAE guidelines
  • pPUE and energy efficiency metrics
  • Building and fire codes
  • Mission-critical infrastructure design
• Experience supporting large-scale EMEA data center developments.
• Strong stakeholder management and technical leadership skills.
• Willingness to travel across EMEA when required.

Salary

• Competitive salary based on experience and qualifications