Bachelor's degree in Electrical Engineering, Mechanical Engineering, Mechatronics, or related field preferred.
3+ years of experience with Siemens PLC systems.
Strong understanding of ladder logic and industrial control architecture.
Experience with PROFINET, PROFIBUS, and industrial communication protocols.
Ability to analyze electrical schematics and P&IDs.
Responsibilities
Utilize Siemens TIA Portal and STEP 7 to troubleshoot PLC programs.
Trace I/O points to identify sensor or logic failures.
Diagnose faults in critical infrastructure like chillers and power distribution.
Review ladder logic and interlocks to isolate root causes.
Coordinate with operations to implement corrective actions.
Support minor logic adjustments as needed.
Verify communications between PLCs, HMIs, and BMS systems.
Benefits
Per diem of $264/day.
Tools provided by the client.
Safety gear provided on-site.
Paid travel time up to 4 to 8 hours each way.
Full Job Description
Controls Specialist (PLC Systems Support) - Semiconductor Location: Boise, ID 83716 (onsite)
Pay rate
$60-65/hr (flex depending on experience)
Shift differential: +$5/hr after 6pm (when applicable)
Per diem
$264/day
Schedule / rotation
Monday-Saturday, 10-hour days (no Sundays)
Typically 60 hours/week
Rotation noted by client: 2 weeks at 60 hours, 3rd week 50 hours, then back to 60 hours for 2 weeks (repeating)
Travel time
Travel to/from site paid up to 4 to 8 hours each way
No per diem on travel days
Tools and PPE
Tools provided by client
Candidate provides: safety-toed leather work boots that cover the ankle (defined heel), ANSI Z87 safety glasses, and boots/glasses must meet site requirements
Provided onsite: branded high-vis vest, hard hat, gloves, hearing protection
Dress code: long denim pants (no synthetic materials), shirts with sleeves
Required before first day onsite
OSHA 10 Construction certification required prior to arrival (cannot be completed onsite; not paid)
Position Summary
The Controls Specialist is responsible for troubleshooting, diagnosing, and supporting PLC-based control systems. This role requires strong working knowledge of Siemens PLC platforms, with the ability to navigate existing control programs, isolate faults, and resolve system issues impacting power and cooling infrastructure.
This is not a greenfield programming role. The ideal candidate understands how to navigate ladder logic, identify interlocks, trace I/O, and support live operational systems in a high-availability environment.
Key Responsibilities
Utilize Siemens TIA Portal and STEP 7 to navigate existing PLC programs and troubleshoot operational issues.
Trace I/O points to identify sensor, device, or logic-related failures.
