Machinist I

Posted 11 Hours Ago
Be an Early Applicant
Houston, TX, USA
In-Office
Junior
Security • Cybersecurity
The Role
Operate and set up manual and CNC machine tools to produce precision parts to exact tolerances. Plan machining sequences, select tooling, perform layouts, follow drawings, maintain clean work area, learn CNC programming, assist engineers/customers, handle lifting equipment, and perform related manufacturing duties under direct supervision.
Summary Generated by Built In

Are you passionate about human space exploration, understanding the origins of the universe, and working with a passionate and diverse team to make a difference? If you are, we need you!     

We need your talent, teamwork, and energy to help us achieve great things that inspire people all over the globe. We need you to bring creative ideas and diverse backgrounds to help us envision, shape, and deliver systems that will enable the exploration of space while benefiting people here on Earth. We are excited about what we do, and we need you on our team as we take on exciting challenges for NASA’s pursuits in deep space exploration. Amentum is NASA’s largest engineering solutions provider working together with NASA at centers across the United States. 

We have an exciting opportunity for a Machinist I join our team with the Department.

This is a JETS II CBA position with Amentum.    

The Machinist I will:

  • 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.
  • May 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.

Required Skills:

  • 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.
  • 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)
  • Much, much more!

For more information on our partnership with NASA at Johnson Space Center (JSC), please visit www.wehavespaceforyou.com

  • Must be able to complete a U.S. government background investigation.

ESSENTIAL FUNCTIONS:

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).
  • Carrying 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.
  • Hearing with or without correction.

Requires Constant:

  • Coordinating eyes, hands, and fingers to operate tools and equipment.
  • Seeing with or without correction.

Requires the ability to:

  • Follow set procedures and standards.
  • Apply basic mathematical skills.
  • Plan and work selecting proper tools.
  • Compare and understand differences in the size, shape, and form or lines, figures, and objects.
  • Follow written and oral directions, plans and blueprints.
  • Picture and evaluate solid objects from drawings or diagrams using standards that can be measured or checked.
  • Recognize and report safety hazards.
  • Must be able to work in a fast paced team environment.  Performs routine and/or non-routine skilled work, relies on experience and judgment to plan and execute tasks. Must be able to wear steel toed shoes. Will be required to participate in hearing loss prevention program.

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.

Equipment and Machines: 

Operate and maintain machining centers both manual and CNC (mills, lathes, drill presses, grinders, hones, borers, water jets, etc.), powered shop tools (grinders, wire wheels, etc.), shop equipment (presses, drills, sheet metal brakes, sanders, saws, shears, etc.), lifts, mobile hoists (cherry pickers), chain hoists, overhead cranes, pallet jacks (powered and unpowered), hand trolleys, 4-wheel dollies, hand tools, stands, clamps, vises, potential forklift.

Computer workstations, peripheral equipment to maintain/adjust database logs and records, and print documents.  Other office machines (printer, fax, etc.).

Attendance: 

Regular attendance in accordance with established work schedule is critical.  Ability to work outside normal schedule and adjust schedule to meet peak periods and surge requirements.

Other Essential Functions:

Must be able to work in a team atmosphere.  Must put forward a professional behavior that enhances productivity and promotes teamwork and cooperation.  Grooming and dress must be appropriate for the position and must not impose a safety risk/hazard to the employee or others.

#JETS #JETSII

       

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:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

  • Health, dental, and vision insurance

  • Paid time off and holidays

  • Retirement benefits (including 401(k) matching)

  • Educational reimbursement

  • Parental leave

  • Employee stock purchase plan

  • Tax-saving options

  • Disability and life insurance

  • Pet insurance


Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

       

Original Posting:

07/07/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

       

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.

Skills Required

  • High School Diploma or equivalent
  • Minimum 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
  • Ability to complete a U.S. government background investigation
  • Ability to wear steel-toed shoes and participate in hearing loss prevention program
  • Proficiency programming CNC mills and lathes with CAD/CAM (ProE, GibbsCAM, or Conversational CNC)
  • Experience with HAAS, Hurco, or Mazak machining centers
  • Experience with horizontal multi-axis or vertical with 4th axis rotation, setup and tooling
  • Overhead crane experience
  • Experience handling NASA flight hardware

Amentum Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Amentum and has not been reviewed or approved by Amentum.

  • Healthcare Strength Healthcare offerings are described as comprehensive, with medical, dental, and vision plans and multiple PPO/HSA options. Mental health support via an employee assistance program and other wellness resources is also included in the benefits mix.
  • Retirement Support Retirement support is positioned as a meaningful part of total rewards through a 401(k) plan with employer matching. Profit-sharing contributions and immediate or near-term vesting in some cases further strengthen the retirement value proposition.
  • Leave & Time Off Breadth Time-off benefits are presented as solid for the sector, including tiered PTO accrual by tenure and a set of paid holidays. Role-dependent flexible or remote work options and leave programs add to perceived work-life support.

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The Company
HQ: Chantilly, VA
18,261 Employees

What We Do

Amentum is a premier global technical and engineering services partner supporting critical programs of national significance across defense, security, intelligence, energy, and environment. We draw from a century-old heritage of operational excellence, mission focus, and successful execution underpinned by a strong culture of safety and ethics. Headquartered in Germantown, Md., we employ more than 20,000 people in 48 states and 28 foreign countries and territories. Visit us at amentum.com to explore how we deliver excellence for our customers’ most vital missions.

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