Senior Application Systems Engineer

We are hiring a Senior Application Systems Engineer based in the UK to support building automation and energy management projects across Europe.

This is a hands-on role responsible for developing scalable system designs and validating them in the field. The position bridges engineering, sales, and delivery to ensure solutions are technically sound and deployable across multi-site environments.

This role requires frequent travel (>50%) across Europe for site surveys, design validation, and project execution support.

What You'll Do

• Develop system architectures and application designs for BMS/EMS solutions
• Perform on-site surveys and technical assessments across multiple countries
• Translate field conditions into clear, buildable designs and defined scopes
• Lead development of:

• Proposals
• Statements of Work (SOW)
• Network and integration diagrams

• Define integrations across:

• HVAC systems
• Refrigeration controls
• Lighting systems
• Energy and submetering

• Design and validate protocol integrations (BACnet, Modbus, RS-485, IP)
• Identify and mitigate design risks and constructability issues early
• Support and guide commissioning and technical handoff to operations

• Proven experience in building automation (BMS) and/or energy management systems
• Strong knowledge of:

• HVAC and refrigeration control systems
• Electrical distribution and submetering
• Field integration protocols (BACnet, Modbus, IP networking)

• Hands-on experience with:

• Niagara / JACE platforms
• Honeywell or equivalent BMS systems

• Experience delivering multi-site rollouts (retail/QSR/commercial)
• Ability to design and support edge-to-cloud architectures
• Demonstrated experience performing site surveys and translating findings into system design
• Ability to operate across engineering, sales, and field execution teams
• Willingness and ability to travel extensively (>50%) across Europe

Additional Experience (Preferred)

• Experience with:

• Johnson Controls (JCI) systems
• Schneider Electric BMS / energy platforms, * Field-first mindset-designs must work in real installations

• Strong communicator, comfortable leading technical discussions with customers and internal teams
• Detail-oriented with focus on getting it right before deployment Able to operate independently across multiple countries and projects

Honeywell helps organizations solve the world's most complex challenges in automation, the future of aviation and energy transition. As a trusted partner, we provide actionable solutions and innovation through our Aerospace Technologies, Building Automation, Energy and Sustainability Solutions, and Industrial Automation business segments - powered by our Honeywell Forge software - that help make the world smarter, safer and more sustainable.