Gearbox Mechanics

Position Title: Gearbox Mechanic – Assembly & Disassembly

Location: Humble, Texas
Department: Gearbox Repair & Assembly
Reports To: Shop Supervisor / Operations Manager
Employment Status: Full-Time
FLSA Classification: Non-Exempt

Horsburgh & Scott is seeking a skilled and dependable Gearbox Mechanic – Assembly & Disassembly to support our industrial gearbox repair and rebuilding operations in Humble, Texas.

This position is responsible for the safe and efficient disassembly, inspection, evaluation, repair, and precision reassembly of industrial gearboxes and related mechanical power transmission equipment.

The successful candidate will possess strong mechanical aptitude, experience working with industrial rotating equipment, and the ability to interpret technical drawings, utilize precision measuring instruments, and perform mechanical assembly operations to established quality standards.

This position requires a hands-on individual who takes pride in workmanship, maintains a strong commitment to safety and quality, and demonstrates flexibility in supporting multiple shop activities as operational needs require.

1. Gearbox Disassembly & Inspection

• Safely disassemble industrial gearboxes, gear reducers, and related mechanical power transmission equipment.
• Inspect gears, shafts, bearings, seals, housings, and other internal components for wear, damage, and potential failure conditions.
• Utilize appropriate tools and equipment to remove bearings, gears, couplings, and other mechanical components.
• Identify and document damaged or worn components requiring repair, replacement, or further evaluation.
• Clean and prepare gearbox components for inspection, machining, and reassembly.
• Maintain accurate documentation of disassembly findings, component conditions, and recommended repairs.
• Work closely with Engineering, Quality, and Shop Leadership to identify repair requirements and resolve technical concerns.

2. Gearbox Assembly & Rebuilding

• Perform precision assembly and rebuilding of industrial gearboxes in accordance with engineering drawings, technical specifications, and established procedures.
• Install gears, shafts, bearings, seals, and related mechanical components.
• Measure and verify bearing fits, shaft tolerances, clearances, and component alignment.
• Set and verify gear backlash, bearing preload, and gear contact patterns as required.
• Utilize proper assembly techniques, torque specifications, and mechanical fastening procedures.
• Identify and correct assembly-related issues to ensure proper gearbox operation.
• Support final inspection, functional testing, and quality verification of completed gearbox assemblies.
• Ensure completed work meets customer specifications and Horsburgh & Scott quality standards.

3. Mechanical Troubleshooting & Technical Skills

• Read and interpret mechanical drawings, assembly diagrams, technical specifications, and work instructions.
• Utilize precision measuring equipment, including micrometers, dial indicators, bore gauges, calipers, and other inspection tools.
• Diagnose mechanical issues involving bearings, gears, shafts, seals, and related rotating equipment.
• Identify potential causes of mechanical failures and communicate findings to Engineering and Shop Leadership.
• Apply knowledge of mechanical fits, tolerances, lubrication, and alignment principles.
• Assist with determining appropriate repair methods and component replacement requirements.
• Maintain proper use and care of hand tools, power tools, hydraulic equipment, and precision measuring instruments.

4. Production Support & Operational Efficiency

• Complete assigned work orders and repair activities within established labor estimates and production schedules.
• Accurately record labor hours, job…