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In office (Austin)
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H-1B filings in 12 months: 2
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Full-Time

Confirmed on the employer's own hiring board on Nov 5, 2026. First seen by Alion on Nov 2, 2026. CesiumAstro scores B on the Alion truth index.

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CesiumAstro is an American company founded in Austin in 2017 that builds active phased array communications payloads for satellites, aircraft and defence platforms. Its systems are software-defined and electronically steered, which lets a moving platform track several links at once without mechanical antennas, and the company manufactures them in house rather than integrating third-party subsystems. It sells mainly to defence customers and satellite operators, has raised venture funding from investors including Airbus Ventures and Lightspeed, and operates facilities in Austin, Colorado and the United Kingdom.

We are looking to add a CNC Machinist I to our team. In this role you will support the setup, operation, and inspection of computer numerical control (CNC) equipment used to manufacture precision components for products and platforms. This role contributes to manufacturing operations by producing quality parts, following established machining procedures, and supporting production activities while learning CNC machining practices and manufacturing processes.

Working cross-functionally with manufacturing, engineering, quality, production control, and supply chain teams, this role supports machining activities from setup through final inspection.

JOB DUTIES AND RESPONSIBILITIES

  • Operate CNC machines using established work instructions, machining programs, and manufacturing procedures.
  • Load materials, tools, fixtures, and machine offsets to support production activities.
  • Monitor machining operations and identify basic machining or equipment issues for resolution.
  • Perform basic dimensional inspections using measuring equipment including calipers, micrometers, gauges, and other inspection tools.
  • Verify completed parts meet engineering drawings, specifications, and quality requirements.
  • Record inspection results and production information in manufacturing documentation.
  • Collaborate with manufacturing, engineering, quality, production control, and supply chain teams supporting production activities.
  • Support machine setup, tool changes, preventive maintenance, and workstation organization.
  • Communicate production status, quality concerns, and equipment issues to supervisors and team members.
  • Follow machining procedures, safety requirements, quality standards, and company policies.
  • Maintain clean, organized, and safe work areas while supporting 5S and continuous improvement initiatives.
  • Recommend improvements that enhance safety, quality, productivity, and manufacturing efficiency.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

  • Associate degree or technical certification in CNC machining, precision manufacturing, machining technology, or a related technical field.
  • 0-1 years of related experience in CNC machining, precision machining, manufacturing, or related production operations.
  • Foundational knowledge of CNC machining, machining processes, manufacturing drawings, GD&T, and shop mathematics.
  • Familiarity with precision measuring instruments, machine setup techniques, and dimensional inspection methods.
  • Basic understanding of machining materials, cutting tools, tooling selection, quality requirements, and manufacturing processes.
  • Exercises sound judgment when resolving machining issues and supporting manufacturing operations.
  • Microsoft Office Suite including Outlook, Word, Excel, and Teams.
  • CNC machine controls and manufacturing software, e.g. Haas, Fanuc, Mazatrol, Siemens, or equivalent systems.
  • Manufacturing execution systems (MES), ERP systems, and electronic work instruction applications, e.g. Epicor, SAP, Solumina, or equivalent applications.
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