CNC Machinist I - Weekend shift

Johns Manville•Tucson, AZ

2d•$47,900 - $65,900•Onsite

About The Position

Johns Manville is seeking a CNC Machinist I responsible for the safe and efficient operation of CNC mills and lathes. The role includes machine setup, maintenance, inspection, and adherence to company and manufacturer safety protocols. The position works a weekend shift, F-M from 4:30 a.m. to 2:30 p.m., and includes a 15% shift premium. The machinist starts, homes, sets up, and operates milling machines and lathes; sets tools and offsets; loads programs and workpieces; performs routine maintenance; and keeps machines and work areas clean. The role also includes inspecting raw materials and finished parts using measurement equipment, reading prints and identifying critical dimensions, maintaining quality and calibration, and following and updating standard operating procedures. The work takes place in a manufacturing plant with exposure to noise, dust, and machinery. Required PPE must be used.

Requirements

Minimum of 1–3 years of experience.
Extensive experience as a CNC Technician with a focus on safety and operational competencies.
Strong understanding of CNC machine setup, maintenance, and troubleshooting.
Ability to read and interpret technical documents and blueprints.
Proficiency using tool setters, collets, holders, and other CNC-related tools.
Excellent attention to detail and problem-solving skills.
Ability to follow and update SOPs.
Strong communication and teamwork skills.
Ability to lift and move objects up to 50 pounds.
Ability to stand for prolonged periods and work on machines.
Manual dexterity and hand-eye coordination.

Responsibilities

Follow company and manufacturer safety procedures, life-critical policies, and health and safety policies; use required PPE and operate only equipment for which trained.
Inspect and safely rig and use cranes and hoists, maintain inspection logs, and follow grinder safety protocols.
Safely operate CNC mills and lathes, ensuring setups securely hold parts and exercising caution with new programs and after tool changes.
Start and home milling machines and lathes; set tools, offsets, coordinates, and tool lengths and diameters.
Load programs through Predator and USB, and return proven programs for updates.
Load and unload workpieces; perform basic mill setups; indicate fixtures and vises; set clamps; change jaws; and select and use appropriate collets and holders.
Perform pre-production maintenance and routine machine care, including cleaning machines, changing filters, checking and filling coolant, and reading refractometers.
Prepare machine tables, fixtures, vises, chucks, and turrets; clean tapers, collets, tool holders, and tool holder caps; empty chip bins; deburr finished parts; and clean raw materials.
Follow and update Standard Operating Procedures (SOPs).
Measure and inspect raw materials and finished parts, identify material types, review prints, identify critical dimensions, and verify quality and compliance.
Use and care for inspection tools, including depth micrometers, vernier, dial, and digital calipers, ID and OD micrometers, thread gauges, and optical or comparative measurement equipment.
Test and verify inspection tool calibrations and understand basic GD&T.
Maintain area housekeeping, prepare the work area for the next user, and report maintenance needs to the lead.
Conduct effective shift changes, attend meetings on time, meet or exceed standard run times, perform assigned non-routine tasks and operator maintenance, and accurately check tools out of the tool crib.
Work effectively with the team, maintain a good attitude, and provide useful suggestions that contribute to positive work results.