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Mechanical Test Engineer

Purplejack Technologies LLCMossville, IL🇺🇸United StatesPosted 11 Aug 2026

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description


? Validate core engine components and systems (rotating components, PRL, valvetrain, heads, blocks, and housings) for NPI, NTI, CPI, NSI, and Assurance of Supplier programs.
? Evaluate complex structural failure modes and provide technical guidance/expertise to drive product solutions.
? Develop and execute test plans for on-engine and bench testing.
? Conduct tests in Tech Center engine labs, Lafayette IN engine center, Peoria IL & Tucson AZ proving grounds, 3rd party engine and shake labs, and field sites.
? Utilize data acquisition systems and analysis tools to evaluate linear vibration, stress/strain, and modal performance.
? Coordinate design and procurement of prototype hardware.
? Set up test instrumentation and gaging as appropriate.
? Generate reports and communicate conclusions and results to stakeholders.
? Team consists of 10 test engineers and 4 technicians.
? Candidate will work closely with design and simulation teams.
? Interaction includes project planning, report generation, and communication of results.
? Opportunity to work on groundbreaking products with industry-leading engineers.
? Exposure to specialized structural dynamics testing within a global organization.
? Work that has a direct impact on product quality and reliability for Caterpillar's global customer base.


Requirements

  • Blueprints & Technical Drawings

  • CAD

  • Noise & Vibrations

  • Schematics

  • Mechanical Testing

  • Basic understanding of internal combustion engines and machinery

  • Create sketches, engineering drawings, and perform common engineering calculations

  • Read and interpret blueprints, technical drawings, schematics, and computer-generated reports

  • Work with engineering software and CAD applications

  • Experience with data acquisition systems such as eDAQ, LMS, and cDAQ

  • Analyze linear vibration, stress/strain, ME-SCOPE, and LMS data

  • Perform modal testing and vibration analysis



Skills

Linear

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