CNC Machinist - Weekend Shift

CNC Machinist - Weekend Shift

Tucson, AZ

Job :  | Full time

Pay Range: $47,900.00 – $65,900.00 (Annual). Base salary within this range varies by experience, skills, and education. Position eligible for incentive bonus.

Johns Manville is a leading manufacturer and marketer of premium‑quality insulation and commercial roofing, along with glass fibers and nonwoven products for commercial, industrial and residential applications. Our products are used in building products, aerospace, automotive, transportation, filtration, commercial interiors, waterproofing and wind energy. A proud member of the Berkshire Hathaway family, we are committed to delivering positive experiences for customers and employees worldwide.

We are seeking a highly skilled CNC Machinist I focused on safety and operational competencies. The role ensures safe and efficient operation of CNC mills and lathes, including setup, maintenance, inspection, and adherence to all safety protocols.

Monday‑Friday: 4:30 am–2:30 pm, 15% shift premium;
Tuesday‑Thursday Off.

• Ensure glove and hand safety.
• Follow bench grinder and surface grinder safety protocols.
• Use face shields appropriately.
• Inspect cranes and hoists and maintain logs.
• Properly rig and use cranes.
• Safely operate CNC mills and lathes, adhering to manufacturer and company safety protocols.
• Practice proper lifting techniques and recognize trip hazards.
• Complete safety skills and SED on time.
• Participate in monthly safety meetings.
• Follow all life‑critical policies and JM Health and Safety policies.
• Use appropriate personal protective equipment (PPE) as required.
• Operate only equipment for which you have been trained by a qualified person.
• Never tamper with machine safety guards or switches.
• Ensure setups can safely hold parts against cutting forces before starting machines.
• Exercise caution when running new programs, especially at the start and after tool changes.
• Know the location of emergency stops and practice using them.
• Maintain a tidy workspace to prevent accidents and injuries.
• Follow safety protocols for 2" and hand grinders.

• Start and home milling machines and lathes.
• Touch off tools, set offsets, and determine tool lengths and diameters using a tool setter.
• Load programs through Predator and USB and send proven programs back for updates.
• Adjust and edit tools and work offsets.
• Set XYZ and Z coordinates.
• Load and unload work pieces for milling operations.
• Change tool setter and probe batteries.
• Perform pre‑production maintenance checks and clean machines.
• Change machine filters and check/fill coolant levels.
• Read refractometers for coolant concentration.
• Stone machine tables, fixtures, vises, chucks, and turrets prior to use.
• Perform basic mill setups, including indicating fixtures and vises.
• Setup mill and lathe tools and replace or identify worn tooling.
• Indicate vises and fixtures, change jaws, and set clamps.
• Use proper collets and holders for tools.
• Follow and update Standard Operating Procedures (SOPs).
• Clean machine tool tapers and verify delivery of coolants and fluids.
• Empty chip bins and containers.
• Deburr finished parts and clean raw materials prior to loading.
• Grease vises and use machine DRO to understand machine positions.
• Clean collets and remove chips, and clean tool holder caps before and after use.

• Understand basic GD&T.
• Measure and verify length, width, and diameter of raw materials.
• Inspect and identify materials by type.
• Properly use and care for measurement equipment.
• Measure part/feature height/depth with depth micrometers.
• Measure with calipers (vernier, dial, and digital), s, and OD micrometers.
• Measure threads with thread gauges.
• Measure part features, profiles, and dimensions optically or comparatively.
• Review part prints and identify critical dimensions.
• Verify milled and turned parts for quality and compliance.
• Test and verify calibrations of inspection tools.

• Perform area housekeeping.
• Conduct shift changes and exchange information effectively.
• Maintain a good attitude and be a team player.
• Meet or exceed standard run times.
• Perform non‑routine…