Maintenance Technician-Weekend Days

Arch Precision•Earth City, MO

About The Position

We are seeking a skilled and proactive Maintenance Technician to maintain, troubleshoot, and repair high-precision CNC machinery, manual machine tools, and support equipment. The role calls for mechanical, electrical, hydraulic, and pneumatic expertise to keep tight-tolerance machining equipment operating accurately and efficiently. The technician diagnoses and repairs equipment, carries out preventive and predictive maintenance, monitors machine health, and supports plant facilities systems. The role also includes documenting maintenance work, managing critical spare-parts inventory, coordinating with vendors and OEM suppliers, and following OSHA guidelines, Lockout/Tagout protocols, and company safety standards.

Requirements

High school diploma or GED.
Minimum 3–5+ years of hands-on industrial maintenance experience.
Strong proficiency troubleshooting 3-phase electrical systems up to 480V, motors, and control circuits.
Mechanical knowledge of linear guides, ball screws, gearboxes, bearings, hydraulics, and pneumatics.
Experience operating shop equipment such as welders, manual lathes, Bridgeport mills, and drill presses for fabrication or repair.
Familiarity with precision measurement tools such as micrometers, indicators, torque wrenches, and multimeters.
Strong problem-solving, analytical, and communication skills.
Ability to work independently with minimal supervision in a fast-paced environment.
Ability to lift up to 50 lbs, climb ladders, crawl into tight machine spaces, and stand or walk for extended periods.

Nice To Haves

Associate degree or technical certification in Industrial Maintenance, Mechatronics, or Precision Machining.
Experience in a precision machine shop or CNC manufacturing environment.
Experience with Hydromats, 5-axis CNC machining centers, or Swiss-style turning centers.
Formal certification in Lockout/Tagout (LOTO), Arc Flash Safety (NFPA 70E), or rigging/forklift operation.
Basic PLC programming and diagnostics experience.

Responsibilities

Diagnose and repair mechanical, electrical, pneumatic, and hydraulic issues on CNC mills, lathes, Swiss machines, and manual machine tools.
Perform mechanical alignments and spindle verification, rebuilds, and replacements.
Troubleshoot Fanuc CNC control systems, PLCs, servo drives, motors, and sensors.
Read and interpret electrical schematics, mechanical drawings, hydraulic and pneumatic diagrams, and technical manuals.
Execute scheduled preventive maintenance programs for shop machinery and plant infrastructure.
Perform precision alignments, geometric checks, and calibration using indicator gages.
Monitor fluid and coolant condition, vibration, and temperature to identify issues before equipment failures occur.
Manage coolant, lubrication, and filtration systems across the shop floor.
Maintain plant support systems, including air compressors, dust collectors, chip conveyors, and material handling equipment.
Document maintenance activities, parts used, and downtime in the computerized maintenance document.
Maintain inventory of critical spare parts and coordinate with vendor technicians and OEM suppliers when necessary.
Ensure work adheres to OSHA guidelines, Lockout/Tagout protocols, and company safety standards.