Automation Technician | PLC & BMS Specialist

Fits, Llc; Carolina (PR); On-site; USD 75,000 - 105,000; Full time

Job summary

FITS LLC is seeking an Automation Technician to support mechanical and troubleshooting services in the Engineering area. The role requires a technical diploma/associate degree and 5+ years of hands-on automation experience with Rockwell PLCs (Studio 5000/RSLogix), HMIs, and BMS platforms, plus HVAC/building systems knowledge.

Responsibilities include field walkdowns, device checks, commissioning, loop checks, documentation, and on-call support, with non-standard shifts as needed to meet business

Qualifications

• Technical diploma/associate degree in Electrical, Instrumentation, Mechatronics, or Controls (or equivalent experience).
• 5+ years hands-on automation/controls technician experience in manufacturing or facility utilities.
• Shift: non-standard, per business needs.
• Experience with Rockwell/Allen-Bradley PLCs (Studio 5000/RSLogix) and HMIs; BMS platforms.
• Knowledge of HVAC, central utilities, and building systems (AHUs, chillers, pumps, VFDs).
• Ability to read P&IDs, loop sheets, and control schematics.
• OT networks and cybersecurity basics; IT/OT coordination.
• Experience supporting commissioning, startup, and troubleshooting in operating facilities.
• Strong communication across Facilities, Operations, IT/OT, EPC, and vendors.

Responsibilities

• Provide hands-on automation support across manufacturing systems and BMS (HVAC/central plant).
• Install, wire-check, and troubleshoot instrumentation and control devices; verify I/O from field to controller/HMI/BMS.
• Support PLC and BMS configuration changes under supervision following site change control and documentation practices.
• Troubleshoot industrial communications (EtherNet/IP, DeviceNet, Fieldbus, Modbus, BACnet), coordinating with IT/OT.
• Execute commissioning and testing activities (loop checks, functional testing, SAT support); document results.
• Maintain accurate documentation (as-builts, redlines, point lists, calibration/loop records) and follow safety/site procedures (LOTO, permits).
• Coordinate with Facilities/Utilities, Manufacturing, and vendors for maintenance, cutovers, and restoration; provide on-call support.

Skills

Automation troubleshooting

Control systems

P&ID reading

Electrical wiring

HVAC knowledge

Vendor coordination

Safety procedures

IT/OT coordination

Education

Technical diploma/associate degree in Electrical, Instrumentation, Mechatronics, or Controls (or equivalent experience)

Tools

Rockwell Studio 5000

RSLogix

HMI systems

Siemens Desigo

EtherNet/IP

DeviceNet

Modbus

BACnet/IP

OPC

Job description

FITS LLC is seeking an Automation Technician to support mechanical and troubleshooting services in the Engineering area. The role requires a technical diploma/associate degree and 5+ years of hands-on automation experience with Rockwell PLCs (Studio 5000/RSLogix), HMIs, and BMS platforms, plus HVAC/building systems knowledge.

Responsibilities include field walkdowns, device checks, commissioning, loop checks, documentation, and on-call support, with non-standard shifts as needed to meet business