About The Position

Raytheon is seeking a Senior Mechanical Engineer to support factory production operations within the Manufacturing Engineering department. The engineer will work with manufacturing engineering, factory management, quality engineering, and operations assembly and test personnel to resolve production issues involving complex mechanical assemblies. The role evaluates performance and nonconformance data, conducts mechanical root-cause analysis, and provides direction for rework, retest, and process improvements. The engineer collaborates across functions to improve yield, reduce cycle time, enhance test and inspection processes, and support continuous improvement across production lines. The position is onsite in McKinney, Texas, and is a first-shift assignment with core hours from 8:00 AM to 3:00 PM, Monday through Friday. An optional 9/80 schedule is available; occasional weekend work may be required. The role supports systems produced at McKinney CMC, including ATFLIR, Harpoon, MTS, EODAS, and related programs. An active Secret clearance is required after day one, and U.S. citizenship is required for eligibility to hold the clearance.

Requirements

  • Bachelor’s degree in a STEM field and at least 5 years of relevant experience, or an advanced degree and at least 3 years of experience.
  • Strong technical aptitude demonstrated through academic performance or hands-on engineering experience.
  • Experience troubleshooting or supporting production of mechanical assemblies, components, or complex electromechanical systems.
  • Ability to read and interpret detailed engineering drawings, geometric dimensioning and tolerancing (GD&T), schematics, and assembly documentation.
  • Experience with mechanical analysis tools or equipment such as calipers, CMMs, force/torque measurement tools, environmental chambers, or other mechanical diagnostic equipment.
  • Ability to obtain and maintain a U.S. government-issued Secret security clearance; U.S. citizenship is required.
  • Active and existing Secret security clearance required after day one.

Nice To Haves

  • Experience supporting EO/IR, mechanical structures, optics packaging, thermal management, or RF-related mechanical hardware in a production environment.
  • Familiarity with mechanical components and systems such as bearings, fasteners, heat sinks, seals, flexures, adhesives, and motion mechanisms.
  • Experience designing experiments or conducting structured investigations for RCCA activities.
  • Proficiency interpreting material specifications, tolerance stacks, mechanical drawings, and component datasheets.
  • Strong analytical skills for identifying trends using production and inspection data and recommending process improvements.
  • Excellent oral and written communication skills for technical and non-technical audiences.
  • Active Secret clearance.

Responsibilities

  • Provide mechanical engineering expertise to troubleshoot assemblies that fail inspection or test, identify root causes, and implement corrective actions.
  • Investigate mechanical failure trends, perform structured root-cause and corrective action (RCCA) analysis, and implement preventive measures to mitigate systemic production issues.
  • Support troubleshooting and repair of mechanical components, sub-assemblies, housings, thermal solutions, structures, and mechanical interfaces on systems produced at McKinney CMC, including ATFLIR, Harpoon, MTS, EODAS, and related programs.
  • Develop and maintain troubleshooting guides, mechanical rework instructions, tooling concepts, and documentation for production and test processes.
  • Drive initiatives to reduce cycle time and touch labor and improve manufacturability to optimize production costs.
  • Collaborate with cross-functional partners to resolve technical challenges involving mechanical design, tolerance stack-ups, materials, assembly processes, or environmental performance.
  • Use CAD models, engineering drawings, metrology equipment, and inspection tools to evaluate, troubleshoot, and disposition mechanical issues.

Benefits

  • Medical insurance
  • Dental insurance
  • Vision insurance
  • Life insurance
  • Short-term disability
  • Long-term disability
  • 401(k) match
  • Flexible spending accounts
  • Flexible work schedules
  • Employee assistance program
  • Employee Scholar Program
  • Parental leave
  • Paid time off
  • Holidays
  • Potential annual short-term and/or long-term incentive compensation, subject to eligibility and program conditions
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