BMS Energy Analyst
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xWatts is an energy management software company that helps commercial and industrial facilities reduce their energy costs and carbon emissions. We are backed by Antler, University of Cambridge Enterprise, Parkwalk Advisors, R42, and a host of industry expert angels. We're now looking for a BMS Energy Analyst to help us bring our smart energy optimisation technology to life in the real world.
About the Role
The single biggest bottleneck in any energy optimisation deployment is turning a customer's messy, inconsistently-named BMS into clean, semantically tagged data the platform can reason over. This role owns that problem end-to-end. You'll survey sites, interrogate BMS, VRF and IoT systems, tag every relevant point against a normalised schema, model the building, and then use that data foundation to surface energy-saving opportunities for the customer.
You'll sit at the intersection of building services engineering, data work and customer delivery - and your output is what makes the rest of the product work. The speed and accuracy with which we onboard a site directly determines how quickly customers see savings.
This is a hands-on, fast-paced role ideal for someone who has done BMS configuration or commissioning work, enjoys the data and analysis side at least as much as the controls side, and wants to work in a startup where the deployment process you build today becomes the playbook for the next hundred sites.
Your Day-to-Day Responsibilities
- Tag BMS, VRF and IoT points against a standardised semantic schema, building the equipment hierarchies that let xWatts interpret a site automatically
- Conduct site surveys: identifying plant, mapping controls, extract points list, software configuration and schematics
- Analyse consumption data to identify waste, scheduling errors, setpoint drift, faulty sensors and other anomalies
- Produce prioritised energy-saving recommendations for customers - quantified in energy, cost and carbon
Essential Skills & Experience
- 2+ years in a BMS-adjacent role: configuration, commissioning, controls or energy analysis
- Demonstrable experience tagging BMS points or working with structured building data
- Solid understanding of HVAC plant and controls (AHUs, FCUs, VRF, chillers, boilers, metering, sensors)
- Comfortable analysing time-series data
- Strong written communication - able to turn technical findings into clear customer recommendations
- Relevant qualification in electrical, mechanical, building services or energy engineering
- Willing to travel to UK client sites (occasional overnight stays)
Desirable Skills & Experience
- Semantic tagging standards and communication protocols (BACnet, Modbus, MQTT, OPC-UA, JSON)
- Python scripting for data processing or tagging automation
- Measurement & Verification experience (IPMVP)
- Startup mindset - happy to experiment, iterate and own outcomes
Why Join xWatts
We're building the intelligence layer that will power the next generation of low-carbon buildings. You'll work with a passionate, mission-driven team combining deep energy expertise, AI, and cutting-edge software development - all focused on helping organisations reach net zero faster.
We believe in autonomy, inclusivity, and curiosity. You'll have the freedom to take ownership, experiment with new technologies, and shape how we deploy our products to the world.