Senior Mechanical Engineer
Senior Mechanical Engineer – Design-Focused – Data Centres – Critical Infrastructure
Are you a design-focused Senior Mechanical Engineer looking to work on some of the UK's most technically challenging data centre and critical environment projects?
Our client is a leading M&E contractor with an annual turnover of circa £90 million, delivering high-profile commercial fit-out, data centre refurbishment, and critical infrastructure upgrade projects across the UK. With a strong reputation for technical excellence, an impressive order book, and a genuinely people-focused culture, they have built a business where staff retention is exceptionally high and long-term career development is a priority.
Due to continued growth and a significant pipeline of secured work, they are seeking a Senior Mechanical Engineer to join their expanding engineering team.
The Role
Working as part of a highly skilled technical team, you will take ownership of mechanical design activities from initial concept through to detailed design, commissioning, and project delivery. This role offers a unique opportunity to work on complex refurbishment and upgrade projects within live critical environments, including data centres and mission-critical facilities.
You will play a key role in ensuring technical excellence throughout the project lifecycle while providing engineering support across the wider business.
Key Responsibilities
* Assist in the assessment of new project opportunities and preparation of fee submissions.
* Develop and produce all necessary mechanical calculations and design solutions from concept and briefing stage through to detailed design.
* Produce and review technical documentation, specifications, drawings, and reports.
* Ensure designs comply with current regulations, industry standards, and client requirements.
* Monitor and support construction activities on site, ensuring compliance with design intent and the high-quality standards expected by the business.
* Lead and manage critical testing and commissioning activities, including:
* Integrated Systems Testing (IST)
* Black Building Testing
* Mechanical commissioning and performance validation
* Provide technical guidance and support to project teams, site teams, and wider business stakeholders.
* Collaborate closely with clients, consultants, subcontractors, and internal teams throughout project delivery.
About You
* Degree qualified or equivalent in Mechanical Engineering or Building Services Engineering.
* Minimum 5 years' experience within mechanical building services design.
* Strong understanding of HVAC and mechanical systems within critical environments.
* Experience delivering projects within data centres, critical infrastructure, commercial fit-out, or similar technically demanding sectors.
* Competent in mechanical calculations and industry-standard design software.
* Knowledge of current British Standards, Building Regulations, CIBSE guidance, and industry best practices.
* Experience supporting testing and commissioning activities within mission-critical facilities would be advantageous.
* Excellent communication and stakeholder management skills.
* Ability to work independently while contributing to a collaborative team environment.
What's on Offer?
* Opportunity to join a highly respected and financially stable M&E contractor.
* Strong pipeline of secured projects across the data centre and critical infrastructure sectors.
* Exposure to technically challenging refurbishment and upgrade projects within live environments.
* Clear progression opportunities within a growing business.
* Supportive, culture-driven environment with excellent staff retention.
* Competitive salary and comprehensive benefits package.
If you are a technically strong Mechanical Engineer looking to take the next step in your career with a business that genuinely invests in its people and delivers some of the UK's most exciting critical infrastructure projects, we would love to hear from you.
Apply today for immediate consideration