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Core Systems

Rugged mission-critical computing for defense

Senior Machinist / Programmer

Precision Machining & ToolmakingConfirmed live in the last 24 hours
Full-timePoway, CA, USA$28 - $42 /hrIn-person

About the Job

Requirements

  • Understanding of blueprint reading and geometric dimensioning and tolerancing.
  • Ability to use precision measuring devices, including calipers, height gauges, gauge pins, micrometers, thread gauges, optical comparators, and coordinate measuring machines.
  • Ability to maintain machine oil, coolant, grease, and hydraulic levels.
  • Ability to identify cutting tools, including end mills, drills, taps, countersinks, slitting saws, and tool holders.
  • Ability to align and secure work-holding devices, including vises, fixtures, materials, and soft jaws.
  • Previous experience operating and setting up HAAS three-, four-, and five-axis vertical and horizontal machining centers, including machines with pallet pools.
  • Ability to set work offsets such as G54, G55, and G56, set tool offsets, and make adjustments.
  • Ability to write programs manually at the controller and edit feeds and speeds for different materials.
  • Complete understanding of G and M codes.
  • Good mathematics skills for solving problems.
  • Ability to troubleshoot and make decisions and solve problems as they arise.
  • Ability to design fixtures or work-holding devices.
  • Ability to develop setup sheets with steps and sequences to ensure part completion.
  • Ability to complete First Article Inspection Reports.
  • Eight to ten years of experience as a machinist/programmer in a job shop environment.
  • Availability for first-shift hours: Monday through Thursday from 6:00 AM to 2:30 PM and Friday from 5:00 AM to 1:30 PM.
  • High school diploma or equivalent.
  • Certificate in CAD/CAM.

Responsibilities

  • Program, set up, and operate a variety of machine tools to produce precision parts and instruments.
  • Fabricate and modify parts to make or repair machine tools or maintain industrial machines.
  • Apply knowledge of mechanics, mathematics, metal properties, layout, and machining procedures.
  • Operate and set up HAAS three-, four-, and five-axis vertical and horizontal machining centers.
  • Program using Mastercam software or equivalent.
  • Perform basic two-dimensional, three-dimensional, and fifth-axis programming.

Desired Qualifications

  • Associate degree or Certificate in Machine Technology.

About the Company

Core Systems

Rugged mission-critical computing for defense

Core Systems provides rugged, mission-critical computing for defense, aerospace, and industrial applications. Its products include rugged servers, displays, edge computing devices, and embedded systems designed to operate in extreme environments and meet MIL-STD and DO-160 requirements. The company combines in-house engineering, fabrication, and testing in a vertically integrated facility to design, manufacture, and validate battlefield-ready solutions. Unlike many competitors, Core Systems emphasizes end-to-end control over hardware and quality through its integrated process, enabling highly reliable, customized systems for demanding missions. The company’s goal is to deliver trusted, field-proven computing solutions that keep operations running in the world’s toughest environments.

Company size
11-50
Company stage
Not listed
Total funding
Not listed
Headquarters
Poway, CA
Founded
2007

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