Senior Building Management System

Senior Building Management System (BMS) / Gestion Technique du Bâtiment (GTB) Engineer Paris or Lyon - Hybrid (4 days office / 1 day remote)

About the Company

My client is a fast-growing, profitable company founded in 2022, supporting institutional real estate investors in their energy transition.

They operate across the full project lifecycle: strategic advisory, building studies, project execution (project management assistance and general contracting works), and green asset management.

Through an integrated digital platform, building owners can monitor and improve the energy performance of their assets, increase value, and ensure regulatory compliance.

The Role

As part of an ambitious objective to finance over €1 billion of projects by 2027, my client is hiring an experienced BMS / GTB Engineer to join their Energy Efficiency Engineering team.

This is a hands-on technical role, focused on the design, specification, costing, and delivery support of complex BMS (GTB) projects in existing buildings and retrofit contexts.

Key Responsibilities

1. Study & Pre-Design Phase

You will act as a BMS technical expert, either leading the GTB scope or supporting a broader project team.

• Design and dimension BMS / GTB and electrical systems (metering, lighting interfaces, etc.)

Produce:

• System architectures
• Functional analyses
• Point lists
• Principle diagrams
• Technical notes and calculations
• Define BMS strategies aligned with energy performance objectives and regulatory requirements
• Propose energy-saving solutions, with attention to sustainability and innovation
• Carry out cost studies, ROI analysis, and budget estimations for:
• New BMS installations
• BMS upgrades and retrofits
• Ensure regulatory compliance (BACS decree, NF C15-100, environmental and safety standards)
• Draft technical specifications for tender documents (DCE)
• Participate in technical exchanges with contractors and integrators during consultation phases

• Define measurement & verification protocols for Energy Performance Contracts (CPE)

• Project / Works Phase

• Provide technical support to construction project managers

• Carry out VISA reviews
• Support and/or oversee BMS and energy commissioning
• Measure and analyse the performance of implemented actions within CPE frameworks
• Participate in site visits to:
• Check progress
• Review installed equipment

• Validate compliance with design and specifications

• Additional Contributions

• Maintain technology and regulatory watch on BMS and smart building topics

• Occasionally participate in energy audits
• Contribute to the development of new technical offers
• Support the creation of internal engineering and verification tools
• Participate in the rollout and commissioning of internal tech platforms

Core Technical Expectations

The priority is strong, real BMS expertise.

• You must know how to design a BMS, not just operate it
• You have already worked on BMS projects that were installed and delivered, even if you were not the installer yourself

You understand:

• System architecture
• Automation layers
• Integration with existing assets
• Contractor and integrator coordination
• You are brand-agnostic and comfortable working across multiple systems
• Expected Knowledge of BMS Ecosystems
• Experience with several of the following is ideal: BMS / Automation Brands

Communication Protocols

• BACnet (IP, MS/TP)
• Modbus (RTU, TCP/IP)
• KNX
• LonWorks
• M-Bus
• OPC / OPC UA
• MQTT (nice to have)

Cost Awareness

• Strong understanding of BMS pricing:
• Installation costs
• Upgrade/retrofit costs
• Main CAPEX drivers (controllers, supervision, cabling, integration, commissioning)
• Ability to estimate, compare, and optimize technical solutions financially

Energy Efficiency - Training Provided

• You are not required to already be an energy efficiency expert
• The company will train you on energy performance and CPE topics

What is essential:

• Strong interest in energy savings
• Motivation to learn and upskill
• Curiosity and engineering mindset focused on impact

Profile

Background & Skills

• Master's degree (Bac +5) in Engineering or equivalent (energy, electrical, automation, or related)
• 4–5+ years of experience in BMS / GTB (more senior profiles considered)
• Experience with building projects and works
• Fluent French and good professional English

Soft Skills

• Autonomous, structured, and hands-on
• Clear and concise communicator with technical and non-technical stakeholders
• Curious, proactive, and motivated to continuously learn
• Comfortable working on multiple projects simultaneously

Location & Working Model

• Paris or Lyon (slight preference for Lyon as the team is expanding)
• Offices in both locations
• Hybrid model: 4 days in the office, 1 day remote (flexible discussion possible)

If this role is of interest, please apply directly. Share any questions to