Instrument and Controls Technician
- Location
- Hays Plant
- Work mode
- On-site
- Employment type
- Full-time
About the job
If you have what it takes to become part of the Vistra family and would like to start a promising career with a global leader, take a look at the exciting employment opportunities that are currently available and apply online.
Job Summary This position is responsible for performing operations functions, preventive and corrective maintenance as applicable to job function to ensure proper functioning of plant equipment will work under the direction of site management. This position is responsible for the proper function and maintenance of equipment at a Gas Plant for the Gas fleet. Responsible for promoting safe, effective, and reliable operation.
Job Description Key Accountabilities 1. Instrumentation and Control Systems
• Inspect, calibrate, test, and maintain pressure, temperature, flow, and level transmitters, switches, gauges, and sensors.
- Inspect, calibrate, test, and maintain pressure, temperature, flow, and level transmitters, switches, gauges, and sensors.
- Troubleshoot and repair pneumatic, electronic, and digital instrumentation.
- Maintain and troubleshoot Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), Human-Machine Interfaces (HMI), and associated control equipment.
- Test and maintain control valves, positioners, actuators, solenoids, and associated instrumentation.
- Verify instrument loops, control logic, alarms, interlocks, permissive, and shutdown systems.
- Maintain and troubleshoot boiler controls, turbine controls, combustion controls, burner management systems, and plant auxiliary systems as applicable.
- Perform loop checks, functional tests, signal verification, and instrument calibration using appropriate test equipment.
- Review and update instrument calibration records, loop drawings, wiring diagrams, and control documentation.
- heart communicator, Rosemount transmitters Vega, fisher, rotork, auma, limitorque experience helps
• Inspect, troubleshoot, repair, and maintain electric motors, motor control centers (MCCs), motor starters, and variable frequency drives (VFDs).
- Inspect, troubleshoot, repair, and maintain electric motors, motor control centers (MCCs), motor starters, and variable frequency drives (VFDs).
- Maintain and troubleshoot low- and medium-voltage electrical equipment within assigned qualifications.
- Inspect electrical panels, breakers, disconnect switches, relays, transformers, and associated distribution equipment.
- Perform electrical testing, including insulation resistance, continuity, voltage, current, and grounding checks as authorized.
- Troubleshoot electrical control circuits, power supplies, wiring, and equipment faults.
- Assist with generator auxiliary systems, excitation systems, protective relays, and switchgear maintenance as assigned.
- Identify electrical hazards, equipment deterioration, and potential failures, and recommend corrective actions.
- Execute preventive, predictive, and corrective maintenance work orders.
- Diagnose equipment failures and determine root causes of recurring instrumentation, control, and electrical problems.
- Support equipment startup, shutdown, commissioning, and post-maintenance testing.
- Assist with planned plant outages, inspections, overhauls, and emergency maintenance activities.
- Coordinate with operations, mechanical maintenance, and engineering personnel to minimize equipment downtime.
- Verify equipment functionality and return equipment to service following approved procedures.
Education, Experience, & Skill Requirements •High School education or GED equivalent required •One (1) year as I&C or two (2) years related work experience required •Experience gained through college degree programs and/or certifications is applicable to above skills. •Must possess basic math skills, good verbal communications skills, and be proficient with the use of power and precision tools. •Must have knowledge of Safety and Environment rules as they relate to electrical maintenance •Must provide positive influence to the maintenance, operations, and management team. •Working knowledge of CMMS. Familiarity with Maximo preferred. •Additional experience with machinery repair and control systems preferred. Experience working on transmitters, valve actuators/positioners, control systems a plus • All applicants must be a successful candidate on the Plant Operator Selection System/Power Plant Operations and Maintenance (POSS / MASS) program in order to be considered a candidate for this position. POSS / MASS exams are administered on an as-needed basis by Human Resources and all communication concerning the testing is sent to the candidate's email address provided during the application process. **LEVEL OF POSITION WILL BE DETERMINED BY APPLICABLE SKILLS/EXPERIENCE.
Key Metrics Meet or exceed all annual business objectives – including but not limited to: •Safety, environmental and regulatory compliance. •Production: Direct O&M activities to meet or exceed commercial availability target.
Job Family Plant Operations
Company Luminant Power LLC
Locations Hays Plant
Texas We are a company of people committed to: Exceeding Customer Expectations, Great People, Teamwork, Competitive Spirit and Effective Communication. If this describes you, then apply today!
If you currently work for Vistra or its subsidiaries, please apply via the internal career site.
It is the policy of the Company to comply with all employment laws and to afford equal employment opportunity to individuals in all aspects of employment, including in selection for job opportunities, without regard to race, color, religion, sex, sexual orientation, gender identity, pregnancy, national origin, age, disability, genetic information, military service, protected veteran status, or any other consideration protected by federal, state or local laws.
If you are an individual with a disability and need assistance submitting an application or would like to request an accommodation, please email us at assistance@vistraenergy.com to make a request.
From Luminant Generation Company LLC's careers page (Workday), checked 3 Nov 2026.
How to apply
- Select Apply on vst.wd5.myworkdayjobs.com. It opens Luminant Generation Company LLC's own application form in a new tab, run on Workday.
- Fill in the form and upload your résumé there. Jobiwork never sees your application.
- Luminant Generation Company LLC will reply to you directly. No real employer asks you for money to apply.
Posted 3 Nov 2026 · checked 3 Nov 2026 · Report this job