Demo

CNC Machinist

L3Harris and Careers
Ashburn, VA Full Time
POSTED ON 3/4/2026
AVAILABLE BEFORE 5/3/2026

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: CNC Machinist

Job Code: 34562

Job Location: Ashburn, VA

Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off

Job Description:

The Tool Maker will be responsible for the programming, setup and operation of CNC machine tools to produce prototype and production parts in a rapid-paced environment. A broad range of experience with manual and CNC machine tools, shop operations, tooling, materials and inspection is desired. The successful candidate will have strong interpersonal skills and will be expected to coordinate with engineering, manufacturing, and quality control within Unmanned Systems to accomplish program goals.

Essential Functions:

  • Familiarity with MAZAK Variaxis 1600’s machine
  • Proficient in the independent setup and operation of Haas (required) 3-axis or similar commercial grade CNC milling machines to include fixturing (vise and sub-plate) and tooling
  • Proficient in the ability to read and interpret drawings with a thorough understanding of Geometric Dimensioning and Tolerancing per ANSI Y 14.5
  • Proficient in the use of basic inspection equipment to check machined parts per ANSI Y 14.5
  • Experience with machining a broad range of materials including aluminum, superalloys, engineering plastics and composites
  • Proficient in the use of manual machine tools (mill, lathe, drill press, band saw) to support CNC machine setup and operation
  • Maintain a clean and organized work area and follow established safety protocols and standard operating procedures
  • Collaborate with engineering, quality, and production teams to resolve technical issues and improve machining processes
  • Document job setups and recommend process improvements to reduce setup time and increase repeatability
  • Safely complete all physical activities required in a manufacturing environment including, but not limited to:
    • Lifting, pushing, pulling and/or carrying 25-50 pounds on a regular basis
    • Walking, bending, sitting, standing, climbing, and reaching for prolonged periods of time on a regular basis
    • Ability to seize, grasp, turn, hold, and operate manufacturing tools and equipment
    • Willingness and ability to work in a manufacturing environment with regular exposure to moving mechanical parts, dust, fumes, chemicals, and loud noises

Qualifications:

  • Requires a High School Diploma or equivalent and a minimum of 4 years of prior relevant experience or 2 years post-Secondary/Associates Degree with 0 to 2 years of prior related experience.

Preferred Additional Skills:

  • Minimum of 5 years of experience in CNC machining and MasterCAM; formal apprenticeship and training.
  • Proficient with the independent setup and operation of 4 and 5 axis CNC milling machines and controls (Haas or equivalent).
  • Proficient with independent programming of 4 and 5-axis CNC machines.
  • Proficient with the independent setup and operation of CNC lathes or turning centers including conversational programming, tooling and machine setup.
  • Possession of current security clearance.

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

Salary.com Estimation for CNC Machinist in Ashburn, VA
$61,880 to $79,285
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