Milling Machine Machinist Level 3/4

Northrop Grumman•Clearfield, UT

53d•$60,800 - $120,400•Onsite

About The Position

Northrop Grumman Aeronautic Systems is looking for a Milling Machinist Level 3/4. The ideal candidate will have experience performing a variety of machinist responsibilities. Willing to work ANY SHIFT. The Milling Machinist Level 3/4 supports aerospace tooling and flight hardware manufacturing through precision machining, tool design, and fixture development. This position requires a self-directed machinist capable of taking projects from concept to completion — programming, setup, machining, inspection, and final verification. The ideal candidate demonstrates advanced Mastercam skills, experience with Haas CNC mills and lathes, and a strong foundation in manual machining and fixture design.

Requirements

High School diploma or equivalent and 4 years additional education and/or related experience (for Level 3)
High School diploma or equivalent and 6 years additional education and/or related experience (for Level 4)
Experience in Mastercam programming for milling and turning
Must be able to work from drawings/solid models.
Ability to obtain and maintain DoD Clearance prior to starting work.
Ability to obtain and maintain Special Program Access (PAR) prior to starting work.
4 years’ experience working in a machine shop
US Citizenship
Willing to work ANY SHIFT
Must be able to lift & carry 50 pounds and stand for 4 hours at a time

Nice To Haves

Advanced proficiency in Mastercam programming for milling and turning.
Strong working knowledge of Haas controls (NextGen or Classic).
Demonstrated ability to design and fabricate custom fixtures and tooling.
Deep understanding of feeds, speeds, cutter geometry, and material behavior.
Capable of performing setups, first articles, and in-process inspections independently.
Strong problem-solving, troubleshooting, and planning skills.
Associate’s degree or vocational certificate in machining, manufacturing technology, or related field.
Background in aerospace, tooling, or high-precision prototype manufacturing.
Experience with 4th/5th-axis machining, setup documentation, and digital manufacturing workflows.
Familiarity with inspection tools, CMM processes, or laser tracker systems.

Responsibilities

Program, set up, and operate Haas CNC mills and lathes for precision tooling, fixtures, and production support parts.
Create and modify Mastercam programs, including complex 2D and 3D toolpaths, using supplied CAD models and engineering drawings.
Design and build custom fixturing, jigs, and tooling for one-off or prototype applications to support assembly and flight hardware operations.
Perform manual machining (mills, lathes, drill press, surface grinders) for tool repair, modifications, or prototype development.
Read and interpret detailed blueprints, GD&T callouts, and 3D CAD models.
Select tools, calculate feeds/speeds, and verify machining parameters for accuracy, efficiency, and repeatability.
Conduct self-inspection and first article verification to ensure part compliance before release to Quality.
Collaborate with engineers, planners, and quality personnel to refine processes and resolve manufacturing challenges.
Maintain work area organization, documentation, and adherence to 5S and FOD standards.