Machinist I

About the role

We are seeking a Machinist I to join our team at Amentum, a leading engineering solutions provider for NASA. This is a JETS II CBA position.

Responsibilities

• Assist with the planning, layout, machine and assemble to precision tolerances parts and tools designed to meet exacting standards and specifications consisting of mechanical or specialty apparatus.
• Set and operate a variety of machining equipment such as engine and bench lathes, vertical and horizontal milling machines, job borers, grinders, hones, gear cutters, and drill presses, to utilize basic functions of the machines.
• Plan and determine under supervision the sequence of machining operations, number of cuts required to obtain required finishes and tolerances, determine cutting tools to be used and method of holding and aligning work with supervision.
• Make simple layouts on parts involving compound angles and mating part work, to check for sufficient stock and for reference during machining.
• Set up machines to completely and independently perform any operations for basic functions.
• Select mount and align various specialized machine attachments and standard or improvised tooling.
• Determine, set, and adjust machine speeds, feeds and depth of cut.
• Select, mount, and fasten cutting tools for specified finish and best performance consistent with the type of material being machined.
• Work will be performed under direct supervision. May offer simple technical advice to engineers and customers on pre-fabrication, modifications, or repairs.
• Work from detailed drawings, templates, sketches, assembly blueprints, or oral instructions.
• Operate the machines to perform such typical operations as chasing all types of single and multiple external tapers; turning, boring, reaming, facing, slotting, etc., for any type of machine fit; machining parts involving compound angles or concentric and coordinated concave or convex surfaces to exacting tolerances; will include instruction from more experienced machinists.
• Ability to learn to program and operate at least one CNC language.
• Maintain a clean and organized work area.
• Organize and properly store inventory, materials, and safety equipment.
• Use of lift equipment as required.
• Perform related duties as required.

Requirements

• Requires a High School Diploma or equivalent and a minimum of 1 year of machinist experience.
• Knowledge of standard concepts, practices, and procedures.
• Familiarity in at least one CNC programming language.
• Ability to follow written and verbal instructions.

Preferences

• Proficiency in the programming of CNC Mills and Lathes with CAD CAM is a plus; ProE, GibbsCAM, or Conversational CNC with multi axis programming.
• Experience on the following machine tool types: HAAS Machining Centers, Hurco Machining Centers, Servo, Mazak Machining Centers. Experience with Horizontal multi axis or Vertical with 4th axis rotation with setup and tooling knowledge.
• Experience with overhead crane experience. Handling of NASA flight hardware.

Why Join Our Team?

In addition to exciting career opportunities, we also have:

• Excellent personal and professional career growth
• 9/80 work schedule (every other Friday off), if applicable
• Onsite cafeteria (breakfast & lunch)
• Many, many more!

Physical Requirements

• Requires Occasional: Climbing and maintaining balance on ladders, scaffolds, structures, etc. above and below ground level. Lifting up to 50 pounds from ground level, waist level, and overhead (occasional).
• Lifting up to 50 pounds for 3 feet (occasional).
• Bending, kneeling, crouching/squatting and crawling from 1 to 30 minutes at a time.
• Requires Frequent: Reaching for, handling, and manipulating objects and materials in all directions. Standing.
• Requires Constant: Coordinating eyes, hands, and fingers to operate tools and equipment. Seeing with or without correction.

Work Environment

The Manufacturing Facility is a large, climate controlled work area with an array of machining equipment. Exposure to uneven ground levels, various noise levels caused by power tools, machinery, equipment, etc.

Compensation Details

TN1 The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview

• Health, dental, and vision insurance
• Paid time off and holidays
• Retail benefits (including 401(k) matching)
• Educational reimbursement
• Parental leave
• Employee stock purchase plan
• Tax-saving options
• Disability and life insurance
• Pet insurance

Original Posting

Original Posting: 07/07/2026 - Until Filled

Amentum is Proud to be an Equal Opportunity Employer

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.