Northrop Grumman

Milling Machine Machinist Level 3/4

Northrop Grumman$60K — $101K *
Manufacturing & Automotive
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of relevant machining experience or equivalent education
  • Proficiency in Mastercam programming for milling and turning
  • Ability to read and interpret technical drawings and CAD models
  • Experience with Haas CNC machinery
  • Capability to obtain DoD Clearance and Special Program Access
  • Experience in manual machining operations
  • US Citizenship required

Responsibilities

  • Program and operate Haas CNC mills and lathes for precision tooling
  • Create and adjust Mastercam programs for complex 2D/3D toolpaths
  • Design and build custom fixtures and tooling for prototypes
  • Perform manual machining for repairs and prototype development
  • Read and interpret blueprints, GD&T, and CAD models
  • Select appropriate tools and verify machining parameters
  • Conduct self-inspections and first article verifications
  • Collaborate with engineers to resolve manufacturing challenges

Benefits

  • Relocation assistance may be available
  • Eligibility for overtime and shift differentials
  • Annual discretionary bonuses based on contributions
  • Company paid holidays and paid time off for vacation
  • Comprehensive health insurance coverage
  • Life and disability insurance options
  • Savings plan with employer contributions
Full Job Description
RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: No

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the TimeDescription

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.

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.
  • 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: $60,800.00 - $101,400.00

Secondary Level Salary Range: $72,200.00 - $120,400.00

The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.

Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.

The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.

About Northrop Grumman

Northrop Grumman is a security company that provides systems, products, and solutions in aerospace, electronics, information systems, shipbuilding, and technical services to government and commercial customers. They design, develop, and build everything from aircraft and spacecraft to cyber security systems. The company is involved in a wide range of defense and technology projects, including the development of aircraft, space systems, cybersecurity solutions, and advanced electronics.

Northrop Grumman Careers

Join the elite team at Northrop Grumman, a leading global security company providing innovative systems, products, and solutions in autonomous systems, cyber, C4ISR, space, strike, and logistics and modernization to customers worldwide. There has never been a more exciting time to advance your career with Northrop Grumman.

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Diversity and inclusion are the foundations of our culture. Northrop Grumman is committed to building a diverse team that fosters an inclusive environment, where every team member is valued for their unique perspectives and contributions. We believe that diversity fuels innovation.

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Northrop Grumman is dedicated to your professional and personal growth. We offer unparalleled benefits, including comprehensive health coverage, generous time off, and family care resources. Additionally, we provide extensive leadership and diversity training to help you craft your career path.

Networking and Leadership

Enhance your career through our robust networking opportunities. Connect with leaders and peers within Northrop Grumman through various events, mentorship programs, and professional groups. Our leadership is deeply invested in nurturing talent and guiding team members through their career journey.

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Northrop Grumman Jobs

Discover the impact you can make with a career at Northrop Grumman. We are actively hiring and looking for passionate, curious, and solution-driven team players. Search Northrop Grumman jobs today and find where your expertise is needed most. Join Northrop Grumman, and be part of a team that is dedicated to making a difference, not only within the company but in the world at large. Your journey to building a rewarding career starts here.
Learn more about Northrop Grumman
Size
88,000 employees
Market Cap
$82.7 billion
Industry
Net Income
$3.1 billion
Founded
1939
5 Year Trend
+7.6%
Revenue
$36.7 billion
NASDAQ

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