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Refinery Instrumentation Jobs in Texas (NOW HIRING)

Proven experience in industrial instrumentation and control engineering within process industries (e.g., oil & gas, petrochemical, chemical, refining, or similar). Strong hands-on experience with ...

... refinery industries. • Demonstrated capability in engineering management, team leadership, and ... electrical or instrumentation systems design software HGA is an Equal Opportunity Employer ...

What is an Instrumentation Tech? SUMMARY : Responsible for installing, maintaining, troubleshooting ... Experience in oilseed processing, edible oil refining, or similar continuous process industries

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Refinery Instrumentation information

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$13

$26

$71

How much do refinery instrumentation jobs pay per hour?

As of Jun 14, 2026, the average hourly pay for refinery instrumentation in Texas is $26.82, according to ZipRecruiter salary data. Most workers in this role earn between $19.28 and $27.31 per hour, depending on experience, location, and employer.

What is instrumentation in a refinery?

In a refinery, instrumentation refers to the systems and devices used to measure, control, and monitor process variables such as pressure, temperature, flow, and level. Refinery instrumentation technicians install, maintain, and troubleshoot these instruments to ensure safe and efficient operation of the plant. Knowledge of control systems, calibration, and safety standards is essential for this role.

Which oil refinery pays the most?

Refinery instrumentation roles typically pay higher salaries at large, integrated oil companies such as ExxonMobil, Shell, and Chevron, especially for experienced technicians with specialized skills and certifications. Salaries can vary based on location, experience, and shift differentials, with some of the highest wages found in regions with high-cost living or remote sites requiring additional compensation.

What are the common daily responsibilities for someone in Refinery Instrumentation?

In a Refinery Instrumentation role, your daily responsibilities typically include installing, calibrating, maintaining, and troubleshooting various process instrumentation and control systems to ensure smooth plant operations. You will regularly perform preventive maintenance, address equipment failures, and work closely with operations and engineering teams to resolve issues quickly. Documentation of maintenance activities, adherence to safety procedures, and ongoing system upgrades are also part of the role. This position often involves a blend of fieldwork and technical analysis, making it ideal for those who enjoy hands-on problem-solving and supporting critical refinery functions.

What are the key skills and qualifications needed to thrive in the Refinery Instrumentation position, and why are they important?

To thrive in Refinery Instrumentation, you need a solid background in electronics, instrumentation, process control, and troubleshooting, often supported by a diploma or degree in instrumentation engineering or a related technical field. Familiarity with distributed control systems (DCS), programmable logic controllers (PLCs), HART communicators, and recognized certifications like ISA Certified Control Systems Technician (CCST) are typically required. Strong analytical thinking, attention to detail, and effective communication skills are vital for diagnosing issues and liaising with cross-functional teams. These skills ensure the safe, efficient, and reliable operation of refinery processes, minimizing downtime and maintaining compliance with industry standards.

How much do instrument techs get paid?

In Louisiana, refinery instrumentation technicians typically earn an average annual salary between $60,000 and $80,000, depending on experience, certifications, and the specific employer. Skilled techs with certifications such as ISA or API may earn higher wages, especially if working overtime or on rotating shifts.

What is a Refinery Instrumentation job?

A Refinery Instrumentation job involves installing, maintaining, and troubleshooting instruments and control systems that monitor and regulate refinery processes. This includes sensors, transmitters, controllers, and automation systems that ensure operational efficiency and safety. Instrumentation technicians work with pressure, temperature, flow, and level measurement devices to optimize refinery performance. They also perform routine calibrations, inspections, and repairs to prevent equipment failures. Strong knowledge of electrical systems, control loops, and industry standards is essential for this role.

Is instrumentation in high demand?

Refinery instrumentation professionals are in steady demand due to the ongoing need for maintenance, calibration, and installation of control systems in the oil and gas industry. Skills in PLCs, SCADA systems, and certifications like ISA are valuable for employment stability. The industry often requires technicians to work in hazardous environments, emphasizing safety training and technical expertise.
What cities in Texas are hiring for Refinery Instrumentation jobs? Cities in Texas with the most Refinery Instrumentation job openings:
Infographic showing various Refinery Instrumentation job openings in Texas as of June 2026, with employment types broken down into 75% Full Time, and 25% Contract. Highlights an 100% In-person job distribution, with an average salary of $55,795 per year, or $26.8 per hour.

Full-time

Posted 5 days ago


Job description

Allegiance Refining, LLC is located in San Antonio, Texas. We operate by three tenets:
Safety: We aim for everyone to go home safely every day and strive for an accident and incident-free workplace.
Stewardship: We are stewards of the assets we operate and are committed to being safe and environmentally responsible.
Service: We strive to provide first-class service to our customers.
PURPOSE AND ROLE
Allegiance Refining, LLC, operator of The San Antonio Refinery is a PSM facility seeking a skilled Refinery Instrumentation and Electrical (I amp;E) Technician.
JOB DUTIES AND RESPONSIBILITIES
  • Perform advanced diagnostics, maintenance, calibration, and repair of instrumentation and electrical systems supporting refinery operations.
  • Serve as a subject matter resource for troubleshooting control systems, field instrumentation, and electrical distribution issues, minimizing downtime and improving system reliability.
  • Install, configure, and commission instrumentation, control devices, and electrical components, ensuring alignment with engineering specifications and industry standards.
  • Lead efforts in identifying root causes of equipment and system failures, implementing corrective actions and long-term reliability improvements.
  • Test instrumentation and electrical systems and continuity of circuits in electrical wiring, equipment and fixtures, using testing devices such as multi-meters and power meters to ensure compatibility and safety of system.
  • Support, maintain, and optimize Distributed Control Systems (DCS), with strong working knowledge of HART and Foundation Fieldbus communication protocols using field communicators.
  • Calibrate, maintain, and optimize process control instrumentation including flow, pressure, temperature, and level devices, as well as control valves and DCS systems.
  • Interpret and work from P amp;IDs, loop drawings, wiring diagrams, and technical documentation to support maintenance, modifications, and system upgrades.
  • Operate, maintain, and troubleshoot process analyzers such as gas chromatographs, pH analyzers, moisture analyzers, and elemental analyzers.
  • Conduct regular calibration and validation of analyzers to ensure precise process data for operational and quality assurance purposes.
  • Interpret and work from P amp;IDs, loop drawings, wiring diagrams, and technical documentation to support maintenance, modifications, and system upgrades.
  • Maintain accurate documentation of maintenance activities, calibration records, and system changes.
  • Collaborate with operations, engineering, and maintenance teams to improve process performance, reliability, and safety.
  • Participate in call-out rotation and support critical operations during off-hours as required.
REQUIREMENTS
  • High School Graduate or GED.
  • 2-year Technical School or associate’s degree preferred.
  • 4+ years electrical maintenance experience in an industrial/refinery setting.
  • Instrumentation and/or Electrical Journeyman’s license is preferred.
  • Familiarity with refinery process controls and hazardous area instrumentation requirements.
  • Proficient in troubleshooting electrical circuits, instrumentation devices, and analyzer systems.
  • NCCER certification is preferred.
  • Legally authorized to work in US, in compliance with the Federal Immigration Reform and Control Act.
PHYSICAL DEMANDS
  • The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. While performing the duties of this job, the employee is:
  • Regularly required to walk, sit, talk and hear.
  • Occasionally required to stand; use hands to grasp, handle or feel, reach with hands and arms; and may occasionally be required to climb, balance, stoop, kneel, crouch or crawl.
  • Occasionally lift and/or move up to 50 pounds.
  • Specific vision abilities required by this job include close vision, color vision, peripheral vision, depth perception and ability to adjust focus. Ability to judge distances and spatial relationships.
  • Pulmonary function level must be adequate for supplied breathing air certification.
EXPERIENCE amp; SKILLS
  • Experienced in electrical skills.
  • Excellent verbal, written and interpersonal communication skills.
  • Provide technical assistance and troubleshooting expertise. Trend analysis and pattern recognition.
  • Must be well organized, skilled in Microsoft Office, with the ability to write detailed reports and organize data.
Allegiance Refining, LLC (The San Antonio Refinery “TSAR”) offers equal employment opportunity and treatment to all
ualified applicants regardless of race, color, religion, sex, national origin, or any other protected status.