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.

Are you an experienced BMS Design Engineer ready to elevate your career in a truly iconic setting? BMSI is offering a rare opportunity to join our expert Aviation team at Heathrow Airport, where every day brings a new challenge in one of the world’s most exciting and dynamic environments.

Why BMSI – and Why Heathrow?

By joining BMSI, the UK’s largest independent BMS company, you’re not just taking on a new role – you’re stepping into a workplace where innovation, learning, and collaboration are part of everyday life. Heathrow is fast-paced and high-profile, but what sets us apart is the tight-knit team environment, where support is constant, knowledge is shared freely, and growth happens naturally.

This is your chance to work onsite with industry experts, gaining exposure to complex and high-impact BMS projects while having the reassurance of your team by your side. And with BMSI’s strong focus on internal promotion and personal development, your long-term career is in good hands.

What We Offer:

• Cutting-Edge Projects: Work on mission-critical BMS systems in one of the busiest transport hubs in the world
• Team-Centered Culture: Be surrounded daily by experienced engineers who support and inspire
• Career Progression: We actively invest in your development and offer real opportunities to advance
• Stability & Support: BMSI is employee-owned and built for long-term growth – and yours too
• Career leading training: HAL specific site ESR training, along with BMS / Product Training

Your Role:

As a BMS Design Engineer, you’ll be responsible for delivering robust, high-quality design solutions across a range of airport infrastructure projects. You'll work closely with clients, consultants, and internal teams to ensure seamless system integration and exceptional performance.

Key Responsibilities:

• Develop complete BMS design solutions from concept to installation
• Interpret mechanical, electrical, and HVAC specifications and drawings
• Design in compliance with Heathrow (HAL) standards and protocols
• Generate and manage detailed documentation including points lists, equipment and valve schedules, and O&M manuals
• Specify and procure BMS hardware, software, and field equipment
• Liaise with panel manufacturers and review panel schematics
• Attend factory acceptance tests and maintain design updates throughout the project lifecycle
• Ensure designs are delivered on time and within budget

What We’re Looking For:

• Proven experience in BMS design (Trend, Tridium)
• Solid understanding of HVAC systems and building services
• Strong AutoCAD and document management skills
• Exceptional teamwork and communication abilities
• Detail-oriented with a proactive approach to problem-solving
• Living within 40 miles of Heathrow Airport (TW6)
• Willingness to complete a DBS check

Salary & Benefits:

• Highly competitive salary, based on experience
• Car allowance or company car
• Generous bonus scheme
• Employee ownership after 12 months’ service
• 6% employer pension contribution
• Private medical insurance (BUPA)
• Life assurance – 4x annual salary
• 25 days annual leave, plus public holidays (option to buy +3)
• Cyclescheme up to £2,500