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
- $200/day
- Paid only while onsite and working in Boise
- Not paid on travel days (Day 1 and Day 10)
- Not paid for the 4 off days
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 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 supports and troubleshoots PLC-based control systems in a mission-critical environment. This is not a greenfield programming role. You will navigate existing programs (ladder logic/function blocks), trace I/O, identify interlocks, diagnose faults, and support live operations for power and cooling infrastructure.
Key responsibilities
- Troubleshoot existing PLC programs using Rockwell Studio 5000 / Logix Designer
- Trace I/O to isolate sensor/device/logic failures
- Diagnose issues impacting chillers/cooling systems, switchgear/power distribution, backup generators, pumps, HVAC equipment
- Review ladder logic/function blocks/interlocks to determine root cause
- Coordinate with operations/maintenance to implement corrective actions
- Support minor logic adjustments and system modifications as needed
- Verify communications between PLCs, HMIs, BMS, and EPMS systems
- Maintain documentation and follow MOC (Management of Change) processes
- Participate in incident response for uptime-critical systems
Required qualifications
- 3+ years of experience working with Siemens PLC systems
- Strong ladder logic and industrial controls fundamentals
- Experience with EtherNet/IP and industrial communication protocols
- Ability to read electrical schematics and P&IDs
- Comfortable working on live, uptime-sensitive systems
Preferred qualifications
- Experience in data center, semiconductor, power generation, manufacturing, or other mission-critical facilities
- Familiarity with EPMS/BMS integration
- Understanding of HVAC and power distribution systems
Ref: #223-Eng Orlando
LI-ST1
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