Diesel Engine Mechanic (98989) Requisition ID 98989

•  Posted 04/22/2026
•  Oklahoma
• Union City
•  Operations  Job Description 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:

Mechanical skills should include, but are not limited to, mechanical, electrical, pneumatic and hydraulic troubleshooting and repair of trucks, cranes and related equipment. Valid driver's license and acceptable driving history

PREFERRED QUALIFICATIONS

Education:

High School Diploma/Equivalent Work Experience:

2-4 years

Related Experience:

Relevant experience as a Diesel Engine technician Current HSE certifications

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:

Ability to work safely in a shop / warehouse environment 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.