Gearbox Mechanics - Humble, TX

Horsburgh & Scott Company•Houston, TX

1d•Onsite

About The Position

Horsburgh & Scott is hiring a full-time Gearbox Mechanic – Assembly & Disassembly for its Gearbox Repair & Assembly department in Humble, Texas. Reporting to the Shop Supervisor / Operations Manager, this non-exempt role supports industrial gearbox repair and rebuilding operations. The mechanic safely disassembles, inspects, evaluates, repairs, and precisely reassembles industrial gearboxes and related mechanical power transmission equipment, following drawings, technical specifications, procedures, and quality standards. The role involves inspecting and documenting component conditions; installing and measuring gears, shafts, bearings, and seals; setting gear backlash and bearing preload; troubleshooting mechanical issues; and supporting testing and final quality verification. The mechanic also completes work orders, records labor and job progress, coordinates with Engineering, Quality, machinists, and shop leadership, and supports material handling and other shop activities as needed. The position requires hands-on mechanical ability, attention to safety and workmanship, flexibility across shop functions, and the ability to work independently and collaboratively. The work takes place in an industrial environment with heavy machinery, noise, oils, lubricants, and moving equipment. Overtime may be required by operational demands. Horsburgh & Scott is an Equal Opportunity Employer.

Requirements

High school diploma or GED preferred.
Technical training in industrial mechanics, millwright work, mechanical assembly, or a related field preferred.
2–5 years of experience in industrial mechanical assembly, gearbox repair, rotating equipment maintenance, or a related mechanical trade preferred.
Strong mechanical aptitude and hands-on troubleshooting ability.
Knowledge of industrial gearboxes, bearings, seals, shafts, and mechanical power transmission components.
Ability to read and interpret mechanical drawings and technical specifications.
Proficiency with precision measuring instruments, including micrometers, dial indicators, bore gauges, and calipers.
Understanding of mechanical tolerances, bearing fits, gear backlash, and alignment.
Ability to safely operate hand tools, power tools, hydraulic presses, and mechanical assembly equipment.
Ability to work independently and collaboratively in a manufacturing environment.
Ability to stand, walk, bend, kneel, and perform hands-on mechanical work throughout the workday.
Ability to lift and carry up to 50 pounds; use mechanical assistance or team lifting for heavier components.
Ability to work safely around heavy industrial machinery, overhead cranes, and moving equipment, and to use required PPE.
Ability to work in an industrial environment with exposure to noise, oils, lubricants, and mechanical equipment.
Availability to work overtime when required by operational demands.

Nice To Haves

Experience with industrial gearbox disassembly and reassembly.
Experience working with large industrial components and heavy mechanical equipment.
Experience operating overhead cranes, hoists, and forklifts.
Experience rebuilding large industrial gearboxes used in steel, mining, power generation, marine, or other heavy industrial applications.
Familiarity with helical, bevel, planetary, and worm gear configurations.
Experience with gearbox failure analysis and troubleshooting.
Knowledge of industrial lubrication systems and bearing installation practices.
Experience performing precision shaft and gear alignment.
Familiarity with repair documentation, work orders, and ERP systems.
Experience supporting gearbox testing and final quality inspections.

Responsibilities

Safely disassemble industrial gearboxes, gear reducers, and related power transmission equipment.
Inspect gears, shafts, bearings, seals, housings, and other components for wear, damage, and potential failure conditions.
Remove mechanical components using appropriate tools and equipment; clean and prepare components for inspection, machining, and reassembly.
Document disassembly findings, component conditions, and recommended repairs, and work with Engineering, Quality, and shop leadership to address repair requirements and technical concerns.
Precisely assemble and rebuild industrial gearboxes according to drawings, technical specifications, and established procedures.
Install gears, shafts, bearings, seals, and related components; verify bearing fits, shaft tolerances, clearances, and alignment.
Set and verify gear backlash, bearing preload, and gear contact patterns as required.
Use appropriate assembly techniques, torque specifications, and fastening procedures; identify and correct assembly issues.
Support final inspection, functional testing, and quality verification of completed assemblies.
Read and interpret mechanical drawings, assembly diagrams, technical specifications, and work instructions.
Troubleshoot mechanical issues involving bearings, gears, shafts, seals, and other rotating equipment; communicate potential failure causes and findings to Engineering and shop leadership.
Apply knowledge of mechanical fits, tolerances, lubrication, and alignment, and assist in selecting repair methods and component replacements.
Maintain and properly use hand tools, power tools, hydraulic equipment, and precision measuring instruments.
Complete assigned work orders within labor estimates and production schedules; accurately record labor hours, job progress, and completed work.
Promptly communicate delays, material shortages, equipment concerns, and technical issues to shop leadership.
Coordinate with machinists, Engineering, Quality, and other departments to support workflow.
Assist with material handling, component preparation, equipment setup, and other production activities as needed; remain flexible to support multiple shop functions.
Identify opportunities to improve assembly processes, reduce rework and waste, and increase productivity; maintain an organized work area.
Follow company safety procedures, OSHA requirements, PPE requirements, and safe lifting, rigging, and equipment-handling practices.
Operate overhead cranes, hoists, forklifts, and other material-handling equipment only when trained and authorized.
Inspect tools and equipment before use, report unsafe conditions, and maintain a clean, safe, organized workplace consistent with 5S principles.
Meet quality requirements and customer expectations and demonstrate reliable attendance, punctuality, professionalism, accountability, and teamwork.