BMSI is the UK’s largest & leading Independent systems integrator of Building Energy Management Systems (BEMS). We make buildings smarter by helping businesses reduce their energy costs, improve control and achieve environmental goals.
We provide project installations, support services and integrated energy management solutions – 24/7/365 – to many of the UK’s leading businesses.
BMS Commissioning Engineer – (Cardiff & South West)
Be part of a high-performing team delivering complex, multi-million-pound BMS projects
Are you an experienced BMS Commissioning Engineer looking for a new challenge? Join BMSI where you'll be working on some of the UK’s most prestigious and technically demanding building management system (BMS) installations.
At BMSI – the UK’s largest independent, employee-owned BMS company – you’re more than just an engineer. Your part of a collaborative, close-knit team that values expertise, supports your growth, and is committed to delivering exceptional work across high-profile projects.
Why Join BMSI’s Major Projects Team?
Our Cardiff & South West division operates at the cutting edge of BMS delivery – working on commercial developments that offer complexity, variety, and genuine opportunities for professional development.
We foster a supportive, team-oriented environment where knowledge is shared, success is celebrated, and long-term careers are built. Whether you’re looking to expand your technical skills or move into leadership, you’ll be encouraged and supported every step of the way.
Your Responsibilities Will Include:
* Commissioning and completing BMS installations across high-value, complex projects
* Working to tight deadlines and budgets, maintaining high standards throughout
* Interpreting electrical drawings, control schematics and MEP drawings confidently and accurately
* Collaborating with Project Managers, contractors, and clients to ensure smooth delivery
* Ability to make adjustments to pre-configured software and graphics
* Providing technical support and maintaining a professional, customer-focused approach
What We’re Looking For:
* Positive and proactive approach to Health & Safety
* Familiarity with the Trend or Schneider StruxureWare systems preferably but also Siemens, Tridium or Distech, as training can be provided for the right candidate
* Demonstrable experience as a BMS Commissioning Engineer, ideally with some knowledge around metering and third-party interfacing
* Demonstrable experience with understanding air, hydraulic and electrical systems
* Proficiency in reading electrical/control wiring diagrams and software
* Good ability to maintain Commissioning records, trackers and reports
* Strong teamworking and communication skills
* Excellent attention to detail and a quality-first attitude
* Flexibility to travel to sites across Cardiff & South West
What We Offer:
* Competitive salary, reflective of your experience
* Generous bonus scheme
* Company car (including fully electric vehicles) or monthly car allowance
* Overtime opportunities
* 25 days’ annual leave plus bank holidays
* 6% employer pension contribution
* Private medical insurance (BUPA)
* Life assurance (4x annual salary)
* CycleScheme (up to £2,500)
* Employee ownership after 12 months
Join a Company That Invests in You
If you’re ready to take the next step in your commissioning career and want to work on projects that make a real impact, we’d love to hear from you.
BMSI is proud to be an equal opportunities employer. We value diversity and inclusion in everything we do.