Career Opportunities: Diesel Engine Mechanic (98989)
Requisition ID 98989 - Posted 04/23/2026 - Oklahoma - Union City - Operations
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KLX Energy Services LLC provides a broad range of technical solutions and equipment to our customers. We provide the right people, best equipment and most convenient locations to deliver expert energy services for every phase of the wellsite. This includes drilling, completions, re-fracing, production, workover, and plug and abandonment. From technical services and wireline to rentals and accommodations, we keep our customers operations running economically, effectively and safely.
At KLX, you''ll work side-by-side with devoted professionals. You'll enjoy the benefits of a strong and evolving company; such as excellent compensation and benefits packages, limitless opportunities for professional growth, and a voice in shaping our future. All while working in an environment that emphasizes teamwork, integrity, and professionalism.
We are currently seeking a Diesel Engine Mechanic: Pressure Pumping, Oklahoma City, OK.
PURPOSE:
Performs physical tasks in the shop, warehouse, or field in support of operations including, but not limited to: inspection, repairs and maintenance of equipment, troubleshooting, interpretation of equipment manuals, and training/mentoring. The Diesel Engine Mechanic is responsible for disassembling, inspecting, repairing, rebuilding, and testing diesel engines and related components in accordance with manufacturer specifications, company standards, and safety requirements. This role focuses on precision engine work rather than general fleet or field maintenance.
ESSENTIAL JOB DUTIES AND RESPONSIBILTIES:
Disassemble diesel engines and components to determine wear, damage, or defects
Inspect engine blocks, crankshafts, cylinder heads, connecting rods, camshafts, and related parts
Measure components using precision tools (micrometers, bore gauges, dial indicators, etc.)
Clean, repair, and recondition engine parts according to specifications
Rebuild diesel engines to OEM or company standards, including proper torque and clearances
Install bearings, seals, pistons, liners, injectors, and other internal engine components
Diagnose engine failures and identify root causes
Perform engine timing, adjustments, and final assembly
Test rebuilt engines to verify performance and quality standards
Accurately document rebuild processes, measurements, and findings
Follow all company safety policies, quality procedures, and environmental regulations
May perform gas and arc welding as required in routine maintenance.
Assists in training and mentoring maintenance technician trainees; orients operators in maintenance procedures and field maintenance for specialized equipment.
MINIMUM QUALIFICATIONS:
Education: Less than High School Education
Work Experience: 0-2 years
Related Experience:
PREFERRED QUALIFICATIONS:
Education: High School Diploma/Equivalent
Work Experience: 2-4 years
Related Experience:
PHYSICAL REQUIREMENTS:
Precise hand/eye coordination: Constantly
Basic keyboarding or other repetitive motions: Frequently
Operation of heavy equipment or operation of vehicles: Occasionally
Lifting/pushing objects weighing over: 50 lbs: Frequently
Climbing and working in awkward and cramped positions: Occasionally
Other:
EOE/Minorities/Females/Veterans/Disabled. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.
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KLX Energy Services LLC provides a broad range of technical solutions and equipment to our customers. We provide the right people, best equipment and most convenient locations to deliver expert energy services for every phase of the wellsite. This includes drilling, completions, re-fracing, production, workover, and plug and abandonment. From technical services and wireline to rentals and accommodations, we keep our customers operations running economically, effectively and safely.
At KLX, you''ll work side-by-side with devoted professionals. You'll enjoy the benefits of a strong and evolving company; such as excellent compensation and benefits packages, limitless opportunities for professional growth, and a voice in shaping our future. All while working in an environment that emphasizes teamwork, integrity, and professionalism.
We are currently seeking a Diesel Engine Mechanic: Pressure Pumping, Oklahoma City, OK.
PURPOSE:
Performs physical tasks in the shop, warehouse, or field in support of operations including, but not limited to: inspection, repairs and maintenance of equipment, troubleshooting, interpretation of equipment manuals, and training/mentoring. The Diesel Engine Mechanic is responsible for disassembling, inspecting, repairing, rebuilding, and testing diesel engines and related components in accordance with manufacturer specifications, company standards, and safety requirements. This role focuses on precision engine work rather than general fleet or field maintenance.
ESSENTIAL JOB DUTIES AND RESPONSIBILTIES:
Disassemble diesel engines and components to determine wear, damage, or defects
Inspect engine blocks, crankshafts, cylinder heads, connecting rods, camshafts, and related parts
Measure components using precision tools (micrometers, bore gauges, dial indicators, etc.)
Clean, repair, and recondition engine parts according to specifications
Rebuild diesel engines to OEM or company standards, including proper torque and clearances
Install bearings, seals, pistons, liners, injectors, and other internal engine components
Diagnose engine failures and identify root causes
Perform engine timing, adjustments, and final assembly
Test rebuilt engines to verify performance and quality standards
Accurately document rebuild processes, measurements, and findings
Follow all company safety policies, quality procedures, and environmental regulations
May perform gas and arc welding as required in routine maintenance.
Assists in training and mentoring maintenance technician trainees; orients operators in maintenance procedures and field maintenance for specialized equipment.
MINIMUM QUALIFICATIONS:
Education: Less than High School Education
Work Experience: 0-2 years
Related Experience:
PREFERRED QUALIFICATIONS:
Education: High School Diploma/Equivalent
Work Experience: 2-4 years
Related Experience:
PHYSICAL REQUIREMENTS:
Precise hand/eye coordination: Constantly
Basic keyboarding or other repetitive motions: Frequently
Operation of heavy equipment or operation of vehicles: Occasionally
Lifting/pushing objects weighing over: 50 lbs: Frequently
Climbing and working in awkward and cramped positions: Occasionally
Other:
EOE/Minorities/Females/Veterans/Disabled. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.