Senior BMS Engineer – Critical Systems & OT Security

RG Setsquare; Greater London; On-site; GBP 81,000 - 99,000; Full time

Benefits offered by this job

Salary up to £90k

Pension 18%

Private Healthcare

Dental Cover

25 Days Holiday + Bank Holidays

Healthcare Cash Plan

Pension Scheme

Training and development

Job summary

RG Setsquare is seeking an experienced BMS Engineer to take technical ownership of a prominent London portfolio. You will provide hands-on expertise across BMS platforms, industrial controls, OT networks, integrations, lifecycle engineering and system resilience.

The role combines engineering leadership with practical security and operational resilience, including fault diagnosis, commissioning, upgrades, vendor management, change control and secure remote access.

Qualifications

• Experience with multi-site BMS/controls environments.
• Knowledge of BACnet, Modbus or OPC protocols.
• Experience with Trend, Siemens, Schneider, Honeywell or Tridium Niagara is advantageous.
• Ability to operate in critical environments where uptime and service continuity are essential.

Responsibilities

• Take technical ownership of a London portfolio across BMS platforms.
• Fault diagnosis, commissioning, upgrades and lifecycle engineering.
• Vendor management, change control, backups and recovery.
• Enable secure remote access and maintain system resilience.

Skills

BMS engineering

BACnet

Modbus

OPC

Trend

Siemens

Schneider

Honeywell

Tridium Niagara

Job description

RG Setsquare is seeking an experienced BMS Engineer to take technical ownership of a prominent London portfolio. You will provide hands-on expertise across BMS platforms, industrial controls, OT networks, integrations, lifecycle engineering and system resilience.

The role combines engineering leadership with practical security and operational resilience, including fault diagnosis, commissioning, upgrades, vendor management, change control and secure remote access.