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General Dynamics Mission Systems

Builds secure electronics for defense missions

Mill Machinist

Precision Machining & ToolmakingConfirmed live in the last 24 hours
Full-timeCullman, AL, USA$33.66 - $36.10 /hr

About the Job

Requirements

  • A technical certificate, three years of experience, or equivalent is required.
  • U.S. citizenship is required, and selected applicants must meet eligibility requirements for access to classified information following a U.S. Government security investigation.
  • Experience in precision machining, preferably manufacturing aerospace or medical components.
  • Ability to independently set up and operate assigned CNC equipment and produce tight-tolerance, complex-geometry parts.
  • Ability to read engineering drawings and apply geometric dimensioning and tolerancing (GD&T), including datums, feature control frames, and positional requirements.
  • Proficiency using precision inspection instruments, including micrometers, calipers, bore gauges, indicators, and height gauges.
  • Working knowledge of CNC controls and G-code sufficient to understand programs, verify setups, and make authorized edits.
  • Knowledge of cutting-tool selection, workholding methods, and feeds and speeds.
  • Ability to recognize and control factors affecting dimensional accuracy and surface finish, including tool wear, thermal effects, vibration, and workholding distortion.
  • Knowledge of machine-shop safety practices, including safe machine operation and personal protective equipment.
  • Ability to maintain accurate records and communicate clearly with production, engineering, and quality teams.

Responsibilities

  • Set up and operate CNC machines and/or multi-axis machining centers to manufacture complex precision components.
  • Interpret engineering drawings, CAD models, GD&T requirements, work instructions, and manufacturing process documentation.
  • Select and install cutting tools, workholding devices, and fixtures; establish tool and work offsets; and verify setup accuracy.
  • Review CNC programs, perform controlled prove-outs, and make authorized adjustments to offsets, feeds, speeds, and tool paths.
  • Understand tolerances, material specifications, and critical dimensions.
  • Modify existing CNC programs using G-code with supervision.
  • Machine components to specified tolerances and surface finishes while controlling tool wear, burr formation, and part distortion.
  • Monitor machining operations, identify process variations, and troubleshoot tooling, setup, and dimensional issues.
  • Identify and report nonconforming conditions and support root-cause investigations and corrective actions.
  • Handle, clean, and protect precision components in accordance with work instructions.
  • Collaborate with engineers, CNC programmers, and quality personnel to improve manufacturability, repeatability, and production efficiency.
  • Communicate during shift handovers and team meetings.
  • Contribute to continuous improvement efforts.
  • Follow safety procedures and use personal protective equipment.
  • Perform routine equipment care and maintain a safe, clean, and organized work area.

Desired Qualifications

  • Experience manufacturing tight-tolerance, complex-geometry precision products, particularly in an aerospace or medical component machine shop.
  • Ability to work from blueprints, advanced drawings, process sheets, and sketches to perform machining operations with precision, quality, and safety.

About the Company

General Dynamics Mission Systems

Builds secure electronics for defense missions

General Dynamics Mission Systems builds defense electronics and integrated systems for military, intelligence and civil government customers. Its equipment connects people and platforms across land, sea, air, space and cyber missions, from tactical radios to satellite ground infrastructure. The business designs submarine weapon controls, aircraft processing equipment and encryption products that protect classified voice, video and data. Government contracts fund development and production, and its products become components of larger military platforms and integrated national security systems. A business unit of General Dynamics, it is headquartered in Chantilly, Virginia.

Company size
10,001+
Company stage
Not listed
Total funding
Not listed
Headquarters
Chantilly, VA
Founded
1952

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