Composite Toolmaker

A Composite Toolmaker (Aerospace Composite Layup Tooling)

Builds, maintains, and continuously improves the molds, mandrels, fixtures, and ancillary tooling that make aerospace composite parts repeatable, inspectable, and certifiable at production scale. In modern aerospace manufacturing, toolmakers are not “support labor” – they are a primary determinant of dimensional accuracy, surface quality, cycle time, and first‑pass yield because composite structures inherit both geometry and defect risk from their tooling, layup interfaces, and cure set‑ups.

The FAA’s composite airworthiness guidance emphasizes that composite structural reliability depends on repeatable manufacturing or repair processes, and on strong material and process control (specifications, acceptance testing, and process parameters representative of production).
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In practice, this role fuses precision toolmaking (machining, assembly, metrology) with composites process proficiency (vacuum integrity, debulking, bagging stacks, cure tooling prep, material handling, and controlled documentation). Leading aerospace employers describe tooling roles as responsible for programming, fabrication, assembly, maintenance, inspection, and repair of tools, using a wide range of processes and equipment (machine tools, measurement equipment, and shop methods).
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This report provides a professional, adaptable job posting plus research‑backed responsibility mapping, qualifications, compensation benchmarks, and a hiring workflow (including a practical skills test checklist and interview structure). The goal is a posting that is specific enough to attract qualified aerospace composite‑tooling talent, while remaining flexible across programs (defense, space, commercial aero, prototypes, or rate production).

Role purpose and manufacturing context

The Composite Toolmaker’s purpose is to ensure that composite layup tools and cure set‑ups (molds, mandrels, trim fixtures, drill fixtures, bond fixtures, and handling frames) are built and maintained to print, remain vacuum tight and thermally stable, and are supported with controlled work instructions and inspection records. This aligns with FAA guidance noting that composite material behavior varies significantly with processing methods and that repeatable/controlled processes are central to producing reliable structure.
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The following responsibility set is written to match what aerospace employers actually post for toolmaking and composite‑assembly roles, and then extends it with composite‑layup‑tooling specifics (vacuum bagging, autoclave prep, material control, and repair).
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The job commonly includes planning the build, interpreting models/prints, and then fabricating, assembling, inspecting, and repairing tools.
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• Interpreting engineering data: tool drawings, models, templates, tool manuals, sketches, and digital files; planning operation sequences and build approach.
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• Machining and fitting tooling details: setting up and operating lathes, milling machines, grinders (manual and/or CNC) to produce tool details and assemblies to tolerance, then fitting/assembling to blueprint requirements.
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• Building tooling components such as drill bars, edge bars, lifting/clamping details, and designing/building tooling aids or temporary assembly fixtures.
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• Applying GD&T and shop math correctly for tool stack‑ups, interfaces, and datum schemes (a recurring theme in aerospace tool postings).
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• Conducting in‑process and final conformance checks (calipers, micrometers, height gages, dial indicators; and where available, laser tracking/CMM).
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Many toolmaker postings explicitly expect CNC set‑up and programming proficiency (or close partnership with CAM programmers) for milling/turning operations and tool repair/rework.
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• Translating CAD into manufacturing steps: selecting cutters, planning datum pick‑ups, generating or editing toolpaths, and verifying tool motion to prevent crashes and protect mold surfaces. (Lockheed toolmaker postings…