Job Description

Job Title: Mechanical Building Services Engineer
Location: Glasgow + Hybrid Working Arrangement
Compensation: Competitive + Benefits
Role Type: Full time / Permanent
Role ID: SF66218
At Cavendish Nuclear we're working to create a safe and secure world, together, and if you join us, you can play your part as a Mechanical Building Services Engineer at our Glasgow site.
The role
As a Mechanical Building Services Engineer, you'll have a role that's out of the ordinary. This opportunity will involve working as a Mechanical Engineer as part of a JV team on the Nuclear Technical Support Provider (NTSP) framework. This seven-year framework, with the option of a further three years, will deliver specialist nuclear technical services valued between 250-million to 400-million to support DIO, Navy Command and other MOD organisations.
The framework will support the Clyde Infrastructure Programme (CIP) and wider Royal Navy and defence requirements. Its primary focus will be on delivering the refurbishment and upgrade of critical infrastructure at HMNB Clyde.
Day-to-day, you'll be involved in supporting the design and delivery of building services systems-such as HVAC, lighting, water, and fire protection-within complex nuclear facilities. You'll help prepare technical documentation, contribute to CAD modelling and system layouts, and assist in performance analysis and compliance checks. Working closely with multidisciplinary teams, you'll ensure building services solutions meet safety, quality, and regulatory standards. You'll also support project planning, engage with clients and stakeholders, and have opportunities to grow your expertise in delivering innovative, sustainable, and compliant building services solutions.
Key Accountabilities:

• Collaborate with building services engineers and cross-functional teams to support the integration of mechanical, electrical, and public health systems into nuclear infrastructure projects.
• Assist in client and stakeholder engagement, contributing to technical discussions, helping resolve building services challenges, and ensuring clear communication of design intent and progress.
• Apply relevant building services standards and codes (e.g., CIBSE, BS, ISO) to ensure compliance and best practice across all technical activities.
• Support safety and regulatory assessments, particularly in relation to ventilation, fire safety, and environmental control systems, promoting a strong safety culture.
• Contribute to the production and review of building services deliverables, including system schematics, calculations, equipment schedules, technical specifications, and CAD/Revit models.
• Help maintain engineering configuration control, ensuring the design intent and integrity are upheld throughout the project lifecycle.

This role is full time, 37 hours per week and provides hybrid working arrangements with 2 days in the office/onsite and 3 days working from home.
Essential experience of the Mechanical Building Services Engineer

• Ability to work effectively within multi-disciplinary teams to support the delivery of engineering solutions across a range of project types.
• Experience in handling a variety of engineering tasks, demonstrating adaptability across different levels of complexity.
• Clear and confident communication skills, with the capability to collaborate across disciplines and engage with clients and stakeholders.

Qualifications for the Mechanical Building Services Engineer

• Degree qualified, or equivalent qualification

Security Clearance
The successful candidate must be able to achieve and maintain Standard (BPSS) / Security Check (SC) security clearance for this role. Further details are available at
What we offer

• Generous holiday allowance
• Matched contribution pension scheme, with life assurance
• Access to a Digital GP, annual health check, and nutritional consultations through Aviva DigiCare+
• Employee share scheme
• Employee shopping savings portal
• Payment of Professional Fees
• Reservists in the armed forces receive 10-days special paid leave
• Holiday Trading is a benefit that allows UK Cavendish Nuclear employees to buy additional leave or to sell up to one working week of annual leave from their annual entitlement. This Window opens February through to March annually
• 'Be Kind Day' enables employees to take one working day's paid leave a year (or equivalent hours) to undertake volunteering work with their chosen organisation or registered charity

Cavendish Nuclear
As a leader within the UK nuclear industry, Cavendish Nuclear, part of Babcock International Group, provides a comprehensive range of critical nuclear solutions in clean energy, defence and civil new build and decommissioning projects. Together, we're innovating to make nuclear safer, faster and cost-effective across the nuclear energy life cycle. Your career with us could take you anywhere within Babcock International Group - from Canada, the USA to Japan. Work with us to create a safe and secure world, together.
We are a disability confident committed employer. If you have a disability or need any reasonable adjustments during the application and selection stages, please email the subject header 'Reasonable adjustments requirement'. We're committed to building an inclusive culture where everyone's free to thrive. We are happy to talk about flexible working - please ask about alternative patterns of work at interview.
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Skills Required