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Title:  Instrument Mechanic

Date:  May 20, 2026
Location: 

Tulsa, OK, US, 74107

Basic Function

Troubleshoots, installs, repairs and adjusts indicating, recording and controlling instruments and valves.  Reads schematics and understands digital control systems and valves, transmitters and transducers.  Maintains and troubleshoots pH equipment, hydrocarbon and H2S detectors, and furnace oxygen analyzers.   *Please see required testing for this position outlined below. 

Job Duties

  • Install, repair, maintain and calibrate indicating, recording, and controlling pneumatic and electronic instruments to measure and control process variables, such as pressure, flow, level, temperature, motion, force, and chemical composition using hand tools and precision instruments.
  • Disassemble malfunctioning instruments, examine and test mechanism and circuitry for defects.
  • Troubleshoot equipment in or out of control loops and replace or repair defective parts. 
  • Reassemble instrument, test and calibrate assembly for conformance with specifications using test instruments such as oscilloscopes, multimeters, manometers, smart communicators and pressure instruments.
  • Inspect instruments periodically and make minor calibration adjustments to assure they are functioning within specified controlled variables. 
  • Repair control valves and positioners and troubleshoot and repair low voltage electrical control systems
  • Perform shutdown testing on all types of instrumentation switches and controls as identified in Shutdown Procedures.
  • Test, troubleshoot, repair or replace, calibrate, and reinstall electrical and electronic instrumentation and Programmable Logic Controllers (PLC).
  • Operate testing equipment and interpret test results.
  • Identify process flow and location of pneumatic and electronic instrumentation using P&ID and Loop Sheets to troubleshoot instrumentation problems.
  • Terminate wiring in control room and junction box and connect electronic device to the instrumentation.
  • Install pneumatic or process piping/tubing to the instrumentation.


Other duties may include some or all of the following:

  •  Report any incidents in timely manner and identify potential environmental problems and take action to prevent incidents.
  • Identify and communicate any unsafe conditions to the supervisor, ensure all work and operations are in accordance with safety policies and procedures, participate or delegate participation with monthly safety audits as required and ensure monthly safety equipment audits are completed and returned to the supervisor.
  • Conduct pipefitting, truck driving,, forklift, , manlift, and in general any other duties required to support and contribute to an efficient maintenance organization.
  • Maintain and repair process instruments (level, pressure, flow, temperature, etc.), control systems, analyzers and electrical power systems in the refinery such as process control and environmental. control analyzers, interlock, permissive, electrical light, power and motor control systems.
  • Order equipment and supplies.

Special assignments or tasks assigned to the employee by their supervisor, as determined from
time-to-time is their sole and complete discretion.

TESTING REQUIREMENT: All candidates must complete a Safety and Craft Specific Test at Tulsa Technology Center to be considered for this position. 

Please use the following link to schedule your test as soon as possible: www.registerblast.com/tulsatech

  • Additional Instructions for test scheduling: Under Group, please choose “HF Sinclair Employee Testing” then under exam, please choose “HFS Instrumentation Repair”. Testing date and time will be determined by candidate during scheduling.

Experience

Three (3) years of industrial, chemical plant, or refinery experience is required. A comprehensive physical examination must be satisfactorily completed.  A drug screen is part of the physical.  Experience troubleshooting, installing, repairing, and calibrating pneumatic and electronic process control instruments and valves.

Education Level

A minimum of a High School Diploma or equivalent is required. 

Technical Degree or Electronics Degree or training preferred.

Required Skills

Ability to solve problems quickly and efficiently, cope with several problems or projects at the same time, make decisions and take responsibility, read and interpret blueprints and control loop sheets, troubleshoot and repair an intermittent failure on process control equipment.  Strong analytical skills.  Knowledge in mathematics to calculate accurate figures for setting up flows, levels, temperatures, and pressures.  Ability to read electrical schematics and draw simple work sketches.  Strong background in instrument maintenance and troubleshooting along with construction.  Strong understanding of refinery instrumentation and troubleshooting of P & I diagrams, loop sheets, control valves, recorders, controllers, and process control valves.  Good verbal and written communication skills and mechanical ability; computer literate. Comprehend and follow verbal instructions, rules and regulations, both job and safety related.  Proficient in the use of precision test and calibration equipment.  Knowledge of the four primary process variables, i.e., flow, level, pressure, and temperature, about types “J” and “K” thermocouples and a basic understanding of Honeywell TDC (Total Distributed Control) systems.

 

PREFERRED SKILLS:

Experienced with the maintenance of distributive control systems, analyzers, and PLC expertise helpful.  Ability to maintain and troubleshoot pH equipment, hydrocarbon and H2S detectors, and furnace oxygen analyzers a plus.

Supervisory/Managerial Responsibility

None.

Work Conditions

Petroleum refinery based, industrial environment. This position will work in indoor and outdoor environments and in all possible weather conditions including wide range of temperatures, outdoor work in wet or humid conditions and inclement weather. Work in precarious places around, dust, dirt, chemical and petroleum product exposures. Work includes confined spaces, heights, near moving mechanical parts and/or rotating equipment, petroleum products, chemicals, pressure valves and/or tanks. Exposure to noise and vibration, close proximity of electrical hazards, and to hazardous, toxic and/or flammable materials. Must be flexible to changing schedules and willing to work overtime as business needs require — this can include weekend work, callouts and rotating 12-hour shift schedules at times.

Benefits

HF Sinclair offers a comprehensive benefits package designed to support the well-being of our employees and their families. Our benefits include, but are not limited to, the following:
  • Medical Insurance
  • Vision Insurance
  • Dental Insurance
  • Paid Time-Off
  • 401(k) Retirement Plan with match
  • Educational Reimbursement
  • Parental Bonding Time
  • Employee Discounts
We are committed to fostering a supportive and inclusive work environment, ensuring our employees have the resources needed to thrive professionally and personally. Benefit eligibility is governed by official plan documents, for more details visit Total Rewards.

Physical Requirements

Must be able to work in adverse weather conditions. Must be able to grip, hold, operate various power and hand tools and make precise hand and finger movements. Able to lift, carry, climb, walk, stand, sit, stoop, kneel, push, reach, talk, hear, climb stairs and ladders and have a sense of balance. Able to lift and/or carry to 50 pounds and push/pull 50 pounds. Able to hear alarms, emergency horns and make visual inspections. Ability to reach overhead and at or below shoulder level. Physically demanding position requiring a large portion of time spent standing, walking and handling materials on various surfaces including but not limited to gravel, dirt, grass, concrete, stairs, in and out of vehicles and on uneven surfaces. Able to work from various body positions for extended periods of time performing strenuous physical activity.  Able to work in confined spaces, in restricted areas, and at various heights up to 200ft depending on unit/area of refinery. Able to climb, ascend and descend ladders, scaffolding and stairways at various heights. Ability to operate and drive all assigned company vehicles at company standard insurance rates is essential and a valid driver’s license and proof of insurance required. Ability to wear personal protective equipment including flame retardant clothing and ability to use SCBA and in-line breathing air periodically required. (no beards)

Our One HF Sinclair Culture:

At HF Sinclair, we are united through our One HF Sinclair Culture, which is underpinned by our five core values of Safety, Integrity, Teamwork, Ownership and Inclusion. Developed to empower our people, our five core cultural values are at the heart of everything we do and extend to how we engage our stakeholders. These values influence our decisions, shape our behaviors and keep us connected across the entire organization. We maintain a true Safety culture for our employees, communities, environments and customers. Our goal is to make sure everyone returns home safely each day. We have a long-standing commitment to Integrity and ethical behavior and do what is right for our employees, investors, communities and the environment. We encourage employees to Step Up and Stand Out by championing a culture of Teamwork and Ownership. We foster a culture of Inclusion by encouraging diversity of experiences, viewpoints and backgrounds. What makes each of us different, together makes us stronger.

About HF Sinclair Corporation

HF Sinclair Corporation, headquartered in Dallas, Texas, is an independent energy company that produces and markets high-value light products such as gasoline, diesel fuel, jet fuel, renewable diesel and other specialty products. HF Sinclair owns and operates refineries located in Kansas, Oklahoma, New Mexico, Wyoming, Washington and Utah and markets its refined products principally in the Southwest U.S., the Rocky Mountains extending into the Pacific Northwest and in other neighboring Plains states. HF Sinclair supplies high-quality fuels to more than 1,500 branded stations and licenses the use of the Sinclair brand at more than 300 additional locations throughout the country. In addition, subsidiaries of HF Sinclair produce and market base oils and other specialized lubricants in the U.S., Canada and the Netherlands, and export products to more than 80 countries. Through its subsidiaries, HF Sinclair produces renewable diesel at two of its facilities in Wyoming and also at its facility in Artesia, New Mexico. HF Sinclair provides petroleum product and crude oil transportation, terminalling, storage and throughput services to its refineries and the petroleum industry.

Equal Opportunity Employer

HF Sinclair Corporation is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status or any other prohibited ground of discrimination.


Nearest Major Market: Tulsa
Nearest Secondary Market: Oklahoma

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