At a Glance
- Tasks: Design and manage building management systems for innovative projects.
- Company: Join a leading firm in building management solutions.
- Benefits: Competitive salary, flexible working, and opportunities for professional growth.
- Other info: Dynamic team environment with mentorship opportunities.
- Why this job: Be at the forefront of smart building technology and make a real difference.
- Qualifications: Degree in Engineering or relevant experience in BMS design.
The predicted salary is between 40500 - 49500 £ per year.
- BMS Projects
- BEMS Design Engineer
- Full-Time (Site Based)Carshalton, Surrey
£40,000 - £55,000 plus package, dependent on experience.
- Posted 20 May 2025
- BMS Project Design Engineer
Department
BMS Projects
Reports to
Principal Engineer
Location
London & South-East (hybrid)
Type
- Full-time
- Purpose
Own building management system (BMS) design and controller software through the full project lifecycle—supporting Estimating and Projects so delivery is predictable, testable, safe, and handover-ready.
- What “great” looks like (Key Outcomes)
- Complete, coordinated design packs issued to programme dates with minimal rework.
- Clear, testable Descriptions of Operation (Des Ops) and Cause and Effect (C&E) / functional test schedules that commission smoothly.
- Controller software built from standard libraries and loaded for Factory Acceptance Testing (FAT), with clean backups and change logs.
- Specifications critically evaluated early; risks/opportunities surfaced and resolved via Requests for Information (RFIs) and submittals.
- Compliance and cyber basics demonstrably in place (see responsibilities).
- Site Acceptance Testing (SAT) and Operations & Maintenance (O&M) packs complete at Practical Completion; supervisor/HMI graphics and the end-user manual accepted on first issue.
- Core Responsibilities
- Pre-Contract & Estimating Support
- Review sales handover, preliminary design and quotation; highlight risks and opportunities; raise RFIs/submittals.
- Critically evaluate mechanical and electrical (M&E) specifications and plant/control philosophies for clarity, safety, efficiency and testability.
- Assist Estimating with points schedules, outline equipment selections, integration notes, and value-engineering options; protect margin and lead times.
- Read the programme, understand Royal Institute of British Architects (RIBA) stage context, maintain a design risk register and change-control notes.
- System Design & Documentation
- Produce And Maintain The Full Design Pack
- Description of Operation (Des Ops) / Sequence of Operation
- Network topology and addressing plans
- I/O schedules and points lists
- Control panel schematics and Bill of Materials
- Schedule of Functional tests / Cause & Effect
- Supervisor/HMI graphics to agreed standards.
- End-user manual
- O&M compilation to the accepted format
- Digital delivery and data
- Control Software & FAT
- Build controller strategy from the Des Ops using agreed naming, standard libraries and an explicit alarm philosophy.
- Use a simulator/test harness and scripted tests for repeatable Factory Acceptance Testing; document coverage and defects.
- Project Delivery Support
- Attend design/technical meetings; keep decisions visible and current (decision log).
- Support commissioning (clarifications, minor strategy updates agreed with the Principal Engineer/Project Manager).
- Provide commissioning pack documents (as-designed Des Ops, network plans, test sheets, initial backups, trend lists).
- Coordinate panel procurement (long-lead items), inspection and test plans (ITPs) and factory witness tests with the Principal Engineer/Project Manager.
- Quality, Compliance, Safety & Cyber (UK-specific)
- Panels and wiring: design/verify to BS EN 61439 (derating, heat, segregation); apply BS 7671 implications for controls (safe isolation, earthing and basic electromagnetic compatibility).
- Energy and performance: consider Building Regulations Part L (2021), CIBSE TM39 (metering) and CIBSE TM54 (predicted vs actual); note BREEAM/NABERS UK touchpoints where specified.
- Building Safety Act - “Golden Thread”: maintain clear digital records, traceability and change control appropriate for BMS & Smart Homes work.
- OT/IT security: apply IEC 62443-aware practices; define user roles and password policy; use multi-factor authentication (MFA) and VPN for remote access; patch where applicable; segregate networks with virtual LANs (VLANs) and access control lists (ACLs); and document backup/restore drills.
- Modern protocols and integration: keep up to date with modern communications and integration protocols, such as BACnet secure, KNX secure and their implications upon the system design.
- Continuous Improvement
- Feed estimating and delivery with lessons learned; improve libraries, graphics standards and test scripts.
- Use modern tooling: Git for strategy/graphics version control; Jira/Azure Dev Ops for issues/changes; light Python/SQL for trend parsing and data checks.
- Scope & Level
Focus on design production, software build, and coordination ; may mentor juniors informally. Ownership of company-wide standards sits with the Principal Engineer.
- Required Skills & Experience
- Proven BMS design delivery: Des Ops, I/O schedules, network topologies, control panel schematics.
- Heating, Ventilation and Air Conditioning (HVAC) plant understanding: such as boilers and heat pumps; chillers; low-temperature hot water (LTHW) and chilled water (CHW) systems; air handling units (AHUs), fan coil units (FCUs), variable air volume (VAV); and variable refrigerant flow/volume (VRF/VRV) gateways.
- Hydronic control nuance: such as differential pressure (DP) control, valve authority, ΔT/ΔP strategies, pressurisation/expansion, domestic hot water (DHW) hygiene, heat pumps and multi-source plant: bivalence, defrost logic, weather compensation, buffer/storage control.
- Hands-on controller programming on Trend, Niagara/Tridium and Distech (libraries, alarms, schedules).
- Standards awareness: BS EN 61439, BS 7671 basics for controls, BS 5839/BS 7346-8 interfaces, Part L/TM39/TM54 context.
- Networking and cyber: VLANs, ACLs, NTP; BACnet/SC basics; familiarity with OPC UA/MQTT; sound remote-access hygiene.
- Commissioning science: proportional–integral–derivative (PID) tuning, seasonal commissioning, alarm philosophy, trend-based performance checks.
- Residential integrations: DALI-2 and KNX for lighting/shades; clear boundaries with security, audio-visual and life-safety systems.
- Strong written and verbal communication, stakeholder management and conflict resolution; able to deliver concise end-user training.
Desirable Certifications
- BCIA modules;
- Manufacturer/Systems training courses, such as: Tridium Niagara N4; Trend CTS; Distech ECLYPSE; KNX
- ECS/CSCS;
- IET/CIBSE membership and CPD record.
Qualifications
- Degree/HND in Building Services, Controls or Electrical Engineering (or equivalent experience).
- Relevant manufacturer training and ongoing CPD.
- #J-18808-Ljbffr
BEMS Design Engineer employer: IMPERIUM
Imperium Building Systems is an excellent employer, offering a dynamic work culture that fosters innovation and collaboration in the heart of Carshalton, Surrey. With a strong focus on employee growth, we provide ongoing training and development opportunities, ensuring our team members are equipped to excel in their roles while contributing to cutting-edge smart building projects. Join us to be part of a forward-thinking company that values your expertise and encourages meaningful contributions to the future of building technology.
StudySmarter Expert Advice🤫
We think this is how you could land BEMS Design Engineer
✨Networking in the Right Circles
Dive into communities focused on building systems and supply engineering. Join LinkedIn groups, attend industry-specific trade shows, and don’t shy away from local meetups. These are golden opportunities to connect with industry professionals who could help you land that full-time role at places like IMPERIUM.
✨Showcase Your Projects
If you've worked on any projects—big or small—related to building systems, make sure to showcase them! Creating a portfolio or a detailed case study on your approach can do wonders. It’s all about showing prospective employers, like IMPERIUM, that you’ve got hands-on experience and a solid understanding of the field.
✨Leverage University Resources
Are you still connected with your university? Tap into their career services! Many universities have relationships with firms in the building systems sector and can provide leads on exclusive job openings. This could be your ticket to landing the full-time job you want.
✨Get Involved in Professional Bodies
Consider joining professional organisations related to building systems and supply engineering. These often have job boards, career development events, and networking opportunities. Engaging with these can significantly increase your visibility to firms like IMPERIUM and may help you secure that full-time position sooner!
We think you need these skills to ace BEMS Design Engineer
Some tips for your application 🫡
Showcase Your Engineering Skills:In the building systems supply engineering field, make sure to highlight your technical skills in your CV. Include any relevant software certifications or engineering tools you’re proficient with. Demonstrating your ability to use industry-specific technologies can really set you apart!
Quantify Your Achievements:Employers love to see how you've made an impact in your previous roles. When detailing your work experience, try to include quantifiable achievements—like how you improved a system’s efficiency by a percentage or managed a project that saved your last company X amount. This shows you're results-driven and could help us at IMPERIUM.
Tailor Your Cover Letter:Don’t just reuse the same old cover letter! Personalise it for the BEMS Design Engineer role at IMPERIUM. Talk about your passion for building systems and why this position excites you. We want to see your personality shine through and how you envision contributing to our team.
Include Relevant Projects:If you’ve worked on specific projects related to building systems supply engineering, don’t forget to mention them! Include any reports or case studies that showcase your problem-solving abilities and project management skills. This portfolio of work can really illustrate your expertise to us.
How to prepare for a job interview at IMPERIUM
✨Know Your Technical Stuff
For a role in building systems supply engineering, make sure you're clued up about the latest technologies and tools in the field. Brush up on your knowledge of HVAC systems, plumbing, electrical layouts, and any relevant software used in modelling or design.
✨Showcase Real Projects
Since this is a full-time position, the interviewers will be keen to see your relevant experience. Bring along a portfolio that highlights the projects you've worked on, focusing on your role and the impact you had. Be ready to discuss the challenges faced and how you overcame them.
✨Prepare for Scenario-Based Questions
Expect some scenario-based questions during your interview. They may ask how you would approach a specific design challenge or troubleshoot an existing system. Think about examples from your past work where you successfully tackled problems, and be ready to articulate your thought process.
✨Understand the Industry Landscape
It's crucial to have a good grasp of the current trends affecting building systems, like sustainable engineering practices or smart technology integration. Familiarise yourself with recent advancements and be prepared to discuss how they might influence your work at IMPERIUM.
