Building Performance Engineer

Take the next step from maintaining buildings to shaping how they perform.

This is a unique opportunity to build a career in engineering performance, working alongside senior engineering leaders to improve the performance of buildings across national property portfolios.

Using data, smart technology and engineering insight, you’ll help optimise maintenance strategies, compliance, energy efficiency, asset reliability and occupier experience, with a clear development pathway towards becoming an Engineering Performance Manager., Engineering Performance

• Analyse how buildings are operating against their intended performance and identify inefficiencies, system conflicts and unnecessary plant operation.
• Support the move from traditional planned maintenance to intelligent, performance-led strategies.
• Work with engineering teams to resolve complex issues through structured problem-solving and root cause analysis.
• Help develop engineering strategies that balance compliance, cost, energy efficiency, reliability and occupier experience.

Commercial Awareness

• Understand how engineering decisions affect operational risk, asset reliability and commercial performance.
• Identify waste across maintenance, energy consumption and service delivery.
• Validate maintenance effectiveness and support evidence-based business cases for improvement initiatives.

Technology& Data

• Analyse information from CAFM, Building Management Systems and engineering analytics platforms.
• Identify trends and translate building data into clear dashboards, reports and practical recommendations.
• Gain exposure to IoT and smart building technologies while helping improve the quality of asset and system data.

Engineering, Risk & Compliance

• Develop practical knowledge of mechanical and electrical building services, including HVAC, electrical, water and control systems.
• Participate in engineering and site audits, identifying gaps between documented compliance and actual site conditions.
• Support statutory compliance and review key risk documentation, including Water and Fire Risk Assessments, RAMS and COSHH.
• Build an understanding of lifecycle planning and asset management while producing clear technical reports for senior stakeholders.

• Degree, HNC or HND in Building Services Engineering or a related discipline, or a relevant engineering apprenticeship.
• Up to three years’ experience within engineering, facilities management or another technical environment, with internships and placements considered.
• Strong analytical thinking with the ability to interpret engineering data and identify trends.
• Interest in engineering systems, building performance, smart buildings and technology.
• Developing understanding of Mechanical and Electrical systems, including HVAC, electrical, water and controls.
• Comfortable questioning information and constructively challenging assumptions.
• Strong written and verbal communication skills.
• Ability to communicate effectively with both technical and non-technical stakeholders.
• Ability to produce clear technical reports and summaries.
• Passion for engineering performance, technology and continuous improvement.

AI fluency & learning mindset: We are looking for people who actively use AI in their daytoday work, demonstrate strong curiosity about new technologies, and take ownership for continuously improving how they think, work, and deliver.

Pulled from the full job description

• Referral programme
• Annual leave
• Sick pay
• Employee assistance programme
• Company pension
• Health & wellbeing programme
• Cycle to work scheme, We embrace smarter working practices which offer our employees the opportunity to work their hours flexibly and remotely where their roles and business needs allow. In this role, the successful candidate would be required to work between 6-8 Greencoat Pl, London, SW1P 1PL and your home address on a hybrid basis Monday to Friday 08:30-17:00.

What can we offer you?

Upon joining Bellrock, you can expect a comprehensive benefits package including:

25 days annual leave plus bank holidays + 1 additional day as a thank you (enjoy it, it’s on us)

Salary exchange pension scheme

Life cover

Paid sick leave

Health Assured employee assistance and wellness program

Enhanced maternity, paternity and adoption leave

Salary sacrifice schemes: Cycle to work

Holiday purchase scheme of additional 5 days per year

Offers and discount scheme designed to save money on everyday shopping and essentials

Healthcare Cashplan

MotorSave Scheme

Refer a friend

Liftshare

Virtual GP

Why Bellrock?

At Bellrock, our people make the difference.

We support organisations across the UK with property, facilities management, compliance, engineering and technology services, helping our customers create safer, smarter and more sustainable environments.

We’re committed to creating a workplace where people feel supported, respected and able to develop their careers. If you’re looking for a business where your contribution is valued and where you can continue to learn and grow, we’d love to hear from you.