Milling Machine Machinist 3/4

Northrop Grumman; United States; On-site; USD 59,000 - 118,000; Full time

Job summary

Northrop Grumman Aeronautic Systems seeks a Milling Machinist Level 3/4 for A-Shift to program, set up, and operate Haas CNC mills and lathes for precision tooling and production parts. You will create and modify Mastercam programs from CAD models, design fixtures, perform manual machining, read detailed drawings with GD&T, and verify first article inspections with Quality.

U.S. citizenship and ability to obtain government clearance are required.

Qualifications

• Must be able to read drawings/solid models.
• Experience with Mastercam programming for milling and turning.
• Ability to obtain and maintain U.S. Government clearance.
• US Citizenship required.
• Must lift 50 pounds and stand for 4 hours.

Responsibilities

• Program, set up, and operate Haas CNC mills and lathes.
• Create and modify Mastercam programs from CAD models and drawings.
• Design and build fixtures and tooling for prototypes and production.
• Perform manual machining and verify part accuracy.
• Read blueprints, GD&T callouts, and 3D CAD models.
• Collaborate with engineers and quality for process improvements.

Skills

Mastercam programming

Reading drawings

Haas controls

GD&T understanding

Collaborative

Education

High School diploma or equivalent

Related experience

Tools

Mastercam

Haas CNC

Job description

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: No

CLEARANCE TYPE: Secret

TRAVEL: No Description

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

Northrop Grumman Aeronautic Systems is looking for a Milling Machinist Level 3/4 A-Shift . The ideal candidate will have experience performing a variety of machinist responsibilities.

Role Description & 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.

Basic Qualifications:

• Milling Machinist Level 3:
  • High School diploma or equivalent and 4 years additional education and/or related experience
  • Experience in Mastercam programming for milling and turning
  • Must be able to work from drawings/solid models.
  • Ability to obtain and maintain and maintain a U.S. Government Clearance per company and business needs.
  • Ability to obtain and maintain Special Program Access (PAR) per company and business needs.
  • US Citizenship
  • Must be able to lift & carry 50 pounds and stand for 4 hours at a time
• Milling Machinist Level 4:
  • High School diploma or equivalent and 6 years additional education and/or related experience
  • Experience in Mastercam programming for milling and turning
  • Must be able to work from drawings/solid models.
  • Ability to obtain and maintain and maintain a U.S. Government Clearance per company and business needs.
  • Ability to obtain and maintain Special Program Access (PAR) per company and business needs.
  • US Citizenship
  • Must be able to lift & carry 50 pounds and stand for 4 hours at a time

Preferred Qualifications:

• 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.

Preferred Qualifications

• 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.

Work Environment

Fast-paced, high-mix, low-volume environment supporting aerospace tool fabrication and flight hardware assembly. Machinists are trusted to take ownership of their projects and deliver precision results that directly support production and test operations.

Primary Level Salary Range: $59,400.00 - $99,000.00

Secondary Level Salary Range: $70,600.00 - $117,600.00

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