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Machinist D

North Amityville, New York

Job ID 11308
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L3Harris is dedicated to recruiting and developing diverse, 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 Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs. The company provides advanced defense and commercial technologies across space, air, land, sea and cyber domains. L3Harris has approximately $18 billion in annual revenue and 50,000 employees, with customers in more than 100 countries.

Job Title: Machinist D

Job Code: 11308

Job Location: North Amityville, NY

Job Description:

The primary purpose of a Machinist is to setup and operate manual & CNC machines to produce precision parts and instruments. Performs a variety of manufacturing operations related to fabrication and/or machining of precision parts and/or sheet metal for use in the electronic industry and/or manufacturing assembly. The position applies knowledge of mechanics, mathematics, metal properties, layout, and machining procedures. The position may require routine machine maintenance and programming capabilities.

Essential Functions:

  • Machines parts to specifications, using machine tools, such as lathes, milling machines, or grinders.
  • Sets up, adjusts, and operates all of the basic machining tools and many specialized or advanced variation tools to perform precision machining operations.
  • Maintains the tools and machines required for optimum job performance. 
  • Calculates dimensions and tolerances using knowledge of mathematics and instruments, such as micrometers and calipers.
  • Aligns and secures holding fixtures, cutting tools, attachments, accessories, or materials onto machines.
  • Selects the appropriate tools, machines, and materials to be used in preparation of machinery work.
  • Monitors the feed and speed of machines during the machining process.
  • Works from drawings, work orders, and instructions covering production parts or tooling requirements.
  • Measures, examines, or tests completed units to check for defects and ensure conformance to specifications, using precision instruments, such as micrometers.
  • Sets controls to regulate machining, or enter commands to retrieve, input, or edit computerized CNC machine control media.
  • Must have a thorough knowledge in the operation of all metal working tools and machines, and the ability to determine the most efficient and economical methods of producing all materials and hardware related to or used in the construction of dies, fixtures, gauges, gigs, and tools.
  • Constructs, modifies, or repairs a wide variety of product parts, subassemblies, and related tooling.
  • Able to set up and operate a variety of machine shop and/or sheet metal fabrication equipment. 
  • Understands and complies with customer specification in part manufacturing.
  • Understands and uses a wide variety of mathematical functions applicable to work tasks.
  • Comprehensive knowledge of Geometric Dimensioning and Tolerances (GD&T).
  • Demonstrates effective verbal, written, and interpersonal communication skills, as well as the ability to work in a team environment on research and solution development.


  • Requires highly developed job knowledge/skills. Requires a High School Diploma or equivalent and a minimum of 8 years of prior relevant experience or 2 years post-Secondary/Associates Degree with a minimum of 2 years of prior related experience.

Preferred Additional Skills:

  • Experience with CAD cam  (Mastercam and Autocad is a plus), Haas and Hurco controls.
  • Manual and CNC machining experience in a high technology manufacturing environment, including setting up machine tools, lathes, and milling machines.
  • Programming for Mastercam.
  • Accurately sets up, and operates CNC machines.
  • Programs, sets up, and runs a vertical machining center for one off prototype parts or production parts run.
  • Experience reading/interpreting blueprints, sketches, and engineering specifications.
  • Experience making standard shop computations relating to dimensions of work, tooling, feeds and speeds.
  • Able to work independently, without direction, with all types of processes and prototype development instructions, including prints, sketches, schematics, memos, notes etc. 
  • Able to work with minimum supervisory guidance.

In compliance with pay transparency requirements, the salary range for this role is $61,000 - $81,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

The application window for this requisition is anticipated to close (08/21/2024).

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 résumé for this position, you understand and agree that L3Harris Technologies may share your résumé, 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 proud to be an Affirmative Action/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.

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.

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