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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Mechanical Engineer - Hardware Technologies (Onsite) - **Company:** Collins Aerospace - **Location:** El Segundo, CA, United States - **Experience:** Expert - **Salary:** $118,300.0 - $224,900.0 - **Contract:** Permanent contract - **Skills:** Computer-Aided Design, Systems Engineering, SolidWorks (CAD), Data Systems, Hardware Design, Radio-Frequency Identification, Software Requirements Analysis, Subsystems, Creo, Hardware Infrastructure - **Published:** November 4, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=856a94941ff83d87 ## About the Role The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance, * Experience designing and developing hardware, ranging from concept definition through detailed design and transition to production or product support. * Demonstrated experience in mechanical design, product development, material selection, and manufacturing processes * Experience designing hardware to meet EMI and TEMPEST compliance requirements * Experience reading detailed engineering drawings, specifications, and a detailed understanding of Geometric Dimensioning & Tolerancing. * Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience * The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Qualifications We Prefer: * Active and transferable U.S. government issued security clearance is preferred prior to start date. * Proficiency with CREO, Solidworks or similar CAD tool. * Experience designing machined parts, including appropriate material selection, tolerancing, and consideration of machining capabilities and limitations. * Experience in mechanical systems packaging, materials, thermal, and structural analysis. * Experience applying design-for-manufacturability (DFM) and design-for-producibility (DFP) * Experience in mechanical design and development of multi-layer digital, analog, and RF circuit card assemblies. * Experience in interconnect design techniques between components, modules, chassis, and subsystems. * Experience in cooling techniques for circuit cards and chassis. * Experience in design support for Special Test Equipment and tooling required for IV&V and production efforts. * Experience with developing environmental qualification test plans. * Professional exposure to Earned Value Management System (EVMS) or similar cost and schedule tracking system. * Knowledgeable in quality management systems such as ISO 9001 and AS9100. * Experience as a Mechanical Lead Design Engineer or Integrated Product Team Lead. * Experience in proposal and cost estimation support of Hardware pursuits. ## Description The Resilient Connectivity Products (RCP) Hardware Technologies department is seeking a Principal Mechanical Engineer with technical expertise and experience in hardware design, analysis, integration and production support. In this position, the candidate will be responsible for developing technical solutions to a wide range of complex problems related to the entire product life cycle, including proposal, design, manufacture, integration, and test of various types of electronic systems, enclosures, and module assemblies for aerospace and defense applications. The candidate will work with minimal direction or supervision while exercising considerable latitude in determining the technical objectives of the assignment. This position requires onsite presence in El Segundo, CA. U.S. Citizenship status is required as this position will require the ability to access U.S. only data systems. Sign-on Bonus Eligible What You will do: * You will perform design, documentation, implementation, integration, and test of mechanical hardware in accordance with system requirements * You will solve complex technical problems that require the regular use of ingenuity and creativity while applying sound technical judgment. * You will collaborate with subject matter experts to support thermal and structural analysis. * You will conduct and participate in internal and external peer reviews, technical meetings, and program meetings. * You will provide support to testing, subcontractors, and the factory. * You will ensure the consistent application of mechanical engineering best practices and follow common standards in accordance with RTX processes. * You will execute as part of a small team during product development, drawing generation, drawing release, and drawing change incorporation. * You will actively work with Program Management, Systems Engineering, Supply Chain, Customers, and other disciplines to develop and manage objectives and requirements for hardware pursuits and projects. * You will manage to cost and schedule requirements of assigned tasks. * You will work both independently and collaboratively as part of a diverse team. * You will leverage new technologies, methodologies, tools, and processes used in industry to optimize hardware development, integration, and test efficiencies.