Junior Building Services Commissioning Engineer in London

At FPC Global, our people are our greatest asset. We’re a fast-growing, global consultancy where collaboration, innovation, and ambition come together to deliver exceptional outcomes across the full facility lifecycle. Founded in 2014 by our CEO, Dean Francis, we’ve grown into a team of 140+ professionals working across the Americas, EMEA, APAC, and our London headquarters. We partner with clients to deliver integrated, future‑focused consultancy services—setting new benchmarks for sustainability, technology, and performance. We believe great ideas can come from anywhere. That’s why we foster a culture where voices are heard, initiative is encouraged, and careers are built with purpose.

We are seeking a Junior Building Services Commissioning Engineer with either a mechanical or electrical bias to support the delivery of commissioning services on building projects. This role is ideal for an early‑career engineer looking to develop hands‑on commissioning expertise while working alongside experienced commissioning professionals. The successful candidate will support commissioning activities from design through construction and into handover, gaining exposure to HVAC, electrical systems, controls, and life safety systems, depending on discipline. If you’re ready to take the next step in your career, we’d love to hear from you.

• Project & Technical Support
  • Support senior commissioning engineers and project managers on active projects
  • Assist with commissioning activities across mechanical or electrical building systems
  • Participate in commissioning from design review through construction and handover
  • Attend site visits and inspections under supervision
• Systems & Testing
  • Assist with commissioning of systems including (depending on bias):
  • Mechanical: HVAC systems, air and water systems, public health systems
  • Electrical: Lighting systems, emergency power, electrical distribution, life safety systems
  • Support witnessing of equipment start‑up, pre‑functional checks, and functional testing
  • Assist with reviewing system installations against design intent and specifications
• Documentation & Reporting
  • Assist in preparing commissioning documentation, including:
  • Pre‑functional checklists
  • Functional test scripts
  • Site inspection reports
  • Support the organisation and management of commissioning records
  • Contribute to system manuals and final commissioning reports
• Learning & Development
  • Develop an understanding of commissioning processes, standards, and best practices
  • Learn to interpret drawings, specifications, and sequences of operation
  • Gain exposure to BMS and controls systems (where applicable)
  • Participate in internal training and on‑the‑job mentoring
• Client & Team Interaction
  • Communicate clearly with internal teams and external stakeholders
  • Represent Facility Performance Consulting in a professional manner on site and with clients
  • Work collaboratively as part of a project delivery team
• Continuous Improvement
  • Adhere to company policies, procedures and quality management systems.
  • Capture lessons learned and promote continuous improvement in commissioning methodologies, energy performance and reliability outcomes across projects.

The ideal candidate will be an early‑career building services engineer with a mechanical or electrical bias, looking to develop a career in building commissioning. The role requires the candidate to demonstrate a strong technical foundation, a willingness to learn commissioning processes, and a structured approach to safety, quality, and compliance. The successful candidate will be analytical, detail‑oriented, and able to work effectively under the guidance of senior engineers across a range of commercial and non‑critical building projects.

• OND / HND / Degree (or working towards) in Building Services, Mechanical Engineering, Electrical Engineering, or related discipline
• 2–5 years’ experience in building services, construction, commissioning, or engineering consultancy
• Interest in building performance, commissioning, and systems testing

• Site experience within mechanical or electrical building services
• Exposure to HVAC and/or electrical
• Aware of commissioning or quality assurance processes

• Strong willingness to learn and develop technical skills
• Good attention to detail and ability to follow procedures
• Effective written and verbal communication skills
• Organised and able to manage multiple tasks
• Proactive, reliable, and team‑oriented
• Competent with Microsoft Office and/or Google Workspace

Based in or around London, UK.

FPC Employee Benefits: We offer a competitive salary and benefits package tailored to your role, with additional performance‑based rewards. Our benefits include:

• Family Health Insurance
• Flexible Holidays
• Competitive Salaries and Discretionary Annual Bonus Scheme
• Professional development opportunities

At FPC, we’re not just a company—we’re a thriving community where innovation flourishes, ideas are celebrated, and careers are shaped. When you join us, you become part of a dynamic team that:

• Shapes the Future: Work on groundbreaking projects that are redefining industries with sustainability, cutting‑edge technology, and bold ambition.
• Supports Your Growth: From leadership training to cross‑functional collaboration, we prioritise your professional development and empower you to explore new ideas, take initiative, and grow in your career.
• Values Balance and Inclusion: We celebrate diversity, foster collaboration, and ensure every voice is heard—while maintaining a strong commitment to work‑life balance.
• Creates Impact: Contribute to the delivery of iconic, high‑performance buildings and innovative solutions that have a lasting, positive impact on the world.