Milling Machine Machinist 3/4

Northrop Grumman; Iuka (MS); On-site; USD 59,000 - 118,000; Full time

Benefits offered by this job

Health insurance

Life and disability insurance

Savings plan

Paid time off (PTO)

Job summary

Northrop Grumman Aeronautic Systems in Mississippi is seeking a Milling Machinist Level 3/4 on A-Shift to program, set up, and operate Haas CNC mills and lathes for precision tooling and flight hardware.

The role requires Mastercam programming, reading drawings, fixture design, and strong inspection skills, with government clearance eligibility and US citizenship.

Qualifications

• Experience in Mastercam programming for milling and turning.
• Ability to read and interpret drawings and solid models.
• US Citizenship and ability to obtain/maintain government clearance.

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, from CAD models and drawings.
• Design and build fixtures, jigs, and tooling for prototype applications to support assembly and flight hardware operations.
• Perform manual machining (mills, lathes, drill press, surface grinders) for tool repair or prototype development.
• Read and interpret blueprints, GD&T callouts, and 3D CAD models.
• Select tools, calculate feeds/speeds, and verify machining parameters for accuracy and efficiency.
• Conduct 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 organized work area and adhere to 5S and FOD standards.

Skills

Mastercam programming

5-axis machining

US Citizenship

Education

High School diploma or equivalent with related experience

Associate’s degree or vocational certificate in machining

Tools

Haas CNC mills

Haas lathes

Job description

Description

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: No

CLEARANCE TYPE: Secret

TRAVEL: No

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

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.

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 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

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.

Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.