Milling Machine Machinist Level 3/4

Northrop Grumman; United States; On-site; USD 61,000 - 101,000; Full time

Benefits offered by this job

Relocation assistance

Job summary

Northrop Grumman is seeking a Milling Machinist Level 3/4 to program, set up and operate Haas CNC mills and lathes for precision tooling and production parts. You will read drawings, create Mastercam programs, and design fixtures for prototype and flight hardware.

The role requires DoD/Special Program access, US citizenship, and the ability to work across shifts in a fast-paced aerospace environment. Relocation assistance may be available.

Qualifications

• High School diploma or equivalent required with related manufacturing experience.
• Proficient in Mastercam programming for milling/turning.
• Ability to read and interpret drawings/solid models.

Responsibilities

• Program, set up, and operate Haas CNC mills and lathes for tooling and production support.
• Create/modify Mastercam programs from CAD models and drawings.
• Design and build fixtures and tooling for prototype applications.
• Perform manual machining and inspect parts to ensure quality before release.

Skills

Mastercam programming

Reading drawings

Teamwork

Lifts 50 lbs

Education

High School diploma or equivalent

Tools

Haas controls (NextGen/Classic)

DoD clearance process

First article inspection

Job description

Northrop Grumman

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.

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 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

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 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

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.
• 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.

Relocation Assistance

Relocation assistance may be available

Security Clearance and Travel

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the Time Description

CLEARANCE REQUIRED FOR START: No

Salary

Primary Level Salary Range: $60,800.00 - $101,400.00