Senior BMS Service Technician

About Mantis

We help organizations improve how their buildings perform by bringing together energy, facility operations, and sustainability into one connected approach. At Mantis, our teams work across the full lifecycle of a facility—from planning and design to field execution and long-term asset management—across commercial and industrial portfolios, data centers, and complex mechanical systems.

Our work spans four core areas: Building Controls, Energy Efficiency, Energy Advisory, and Facility Management—covering HVAC/mechanical optimization, BMS/BAS and EPMS controls, lighting system upgrades, energy brokerage, roofing and building envelope assessments, construction management, and more.

Whether you’re in sales, engineering, construction/project management, field operations, corporate, or technology, you’ll play a role in delivering these solutions and helping clients improve facility performance.

BMS Service Technician II diagnoses and resolves complex system issues in building management systems across commercial and mission-critical environments. This role ensures systems run reliably by completing service work from start to finish, reducing repeat issues, and maintaining consistent service quality

• >= 85% of service tickets resolved without return visit (First-Time Fix Rate)
• Service issues resolved within SLA timelines across all priority tiers (MTTR)
• >= 95% QA pass rate with <5% callbacks or rework
• <= 10% of tickets require escalation to senior technician or engineering
• 100% of service work documented accurately and submitted within required timeframe
• 100% compliance with site safety and security protocols
• Demonstrates ownership, accountability, and reliability in field execution

• Independently troubleshoot, service, and commission BMS systems in mission-critical environments
• Diagnose and resolve hardware, software, and networked control system issues
• Execute service tickets from assignment through full resolution within SLA timelines
• Perform system upgrades, backups, restores, and configuration changes
• Execute commissioning and startup activities, including validation of system performance
• Install and configure control system components, including sensors, controllers, and panels
• Read and interpret control drawings to identify issues and implement solutions

• 3-5+ years of BMS, building automation, or HVAC controls experience
• Proficiency with Tridium Niagara (N4) or equivalent controls systems
• Strong troubleshooting capability across control systems (hardware, software, and networked systems)

Work environment: Field-based role across commercial buildings, active construction sites, and mission-critical facilities.

Physical requirements:

Standing, walking, climbing ladders, and working in mechanical spaces

Lifting tools and equipment (up to ~50 lbs.)

Working in confined or high-access environments as needed

Schedule expectations:

Standard work hours with on-call rotation and emergency response requirements

Travel required based on service and project needs (90%)

This position description describes the general nature and level of work expected for this role. It is not intended to be a complete list of all duties, responsibilities, or qualifications. Responsibilities may change based on business needs, client demands, system changes, or economic conditions. Employees are expected to perform other job-related duties as assigned.