Instrumentation and Controls Mechanic

Company: Insight Global
Location: Los Angeles
Posted on: February 20, 2026

Job Description:

Job Description Job Description What This Role Does An Instrument Mechanic performs highly skilled work in both the field and shop environment. This role focuses on maintaining and repairing industrial instrumentation and control systems used in large?scale facilities. Key responsibilities include: Inspecting, troubleshooting, calibrating, adjusting, servicing, and repairing: Automatic control systems Indicating, recording, and transmitting instruments Diagnosing instrumentation and system malfunctions and determining proper repairs Overhauling and testing control and measurement devices Working with electronic and pneumatic control systems Adjusting and programming instrumentation to interface with process control computers Supporting and maintaining instrumentation tied to: Process control systems Safety Instrument Systems (SIS) HVAC controls Programmable Logic Controllers (PLCs) Minimum Qualifications Candidates must meet one of the following experience requirements: Option 1 Three years of full?time paid experience as a Steam Plant Assistant with the City of Los Angeles At least one year must be as a Steam Plant Assistant “A” in the Instrument Shop or Operations Option 2 Two years of full?time paid experience as a Building Operating Engineer with the City of Los Angeles Experience must include operating or maintaining: High?temperature boilers or Refrigeration equipment totaling 3,000 tons or more Option 3 Two years of full?time paid experience as: An Electrician , or An Electrical Test Technician (formerly Electrical Tester) Experience must be with the City of Los Angeles Option 4 Two years of full?time paid experience as an: Instrument Mechanic HVAC Mechanic Elevator Mechanic Experience must include inspecting, adjusting, repairing, and testing electronic and/or pneumatic control systems at facilities such as: Oil refineries Chemical plants Utility plants Wastewater treatment facilities Option 5 Two years of full?time paid experience troubleshooting instrumentation using: Piping & Instrumentation Diagrams (P&IDs) Wiring diagrams Loop drawings Schematics and vendor drawings Hands?on experience with: Instrument and analyzer control loops Process control systems Safety Instrument System inputs/outputs HVAC and PLC systems Experience programming, servicing, repairing, and maintaining instrumentation tied to process controls Education Substitutions Four semesters of college coursework in Automated Instrumentation and Controls may substitute for one year of experience (Options 1–4) Completion of a three?year Electrical/Instrumentation apprenticeship may substitute for one year of experience (Option 5)

Keywords: Insight Global, San Marcos , Instrumentation and Controls Mechanic, Engineering , Los Angeles, California