Maintenance Technician-Weekend Days

Arch Precision, LLC•Earth City, MO

10d•$26 - $38•Onsite

About The Position

We are seeking a skilled and proactive Maintenance Technician to join our team. In this role, you will be responsible for maintaining, troubleshooting, and repairing a wide range of high-precision CNC machinery, manual machine tools, and support equipment. The ideal candidate has a strong blend of mechanical, electrical, hydraulic, and pneumatic expertise, with a proven track record of keeping tight-tolerance machining equipment operating at peak accuracy and efficiency.

Requirements

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

Nice To Haves

Associate degree or Technical certification in Industrial Maintenance, Mechatronics, or Precision Machining preferred.
Experience with Hydromat's, 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/diagnostics experience.

Responsibilities

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