Senior Mechanical Engineering-Design

Senior Mechanical Engineer Patton is seeking a senior, hands‑on Mechanical Engineer to design and support mission‑critical, secure electronic systems for defense, aerospace, and secure communications applications. This role requires deep technical involvement in enclosures, thermal design, shielding, structural integrity, and manufacturability, while working closely with Electrical, PCB, and Systems Engineering teams.
The ideal candidate thrives in a high‑discipline engineering environment, understands the mechanical implications of EMI/EMSEC‑driven designs, and is comfortable owning designs from concept through production and sustainment.
Core Responsibilities Mechanical System Design & Architecture Serve as mechanical design authority for electronic systems operating in secure, mission‑critical environments
Own mechanical architecture from requirements through production, including:
Translate electrical and system requirements into robust, producible mechanical designs.
Secure & EMI‑Aware Design Design mechanical solutions that support TEMPEST or TEMPEST‑like mitigation strategies, including:
Cable ingress/egress control, connector placement, and isolation zones
Collaborate closely with Electrical Engineering to ensure enclosure and PCB/layout strategies are aligned for emissions control and signal integrity.
Support system‑level RED/BLACK separation concepts through mechanical partitioning and layout.
Create detailed 3D CAD models, assemblies, and production drawings.
Define tolerances, finishes, materials, and fastener strategies suitable for secure and long‑lifecycle products.
Support qualification, compliance, and environmental testing (EMI/EMC, thermal, vibration, shock as applicable).
Hands‑On Engineering Execution Create detailed 3D CAD models, assemblies, and production drawings.
Define tolerances, finishes, materials, and fastener strategies suitable for secure and long‑lifecycle products.
Support qualification, compliance, and environmental testing (EMI/EMC, thermal, vibration, shock as applicable).
Electrical and PCB Design Engineers on component placement, stack‑ups, grounding, and shielding effectiveness
Provide mechanical input during system design reviews, risk assessments, and design trades.
Interface with customers, program managers, and test labs when mechanical design decisions impact performance or compliance.
Provide sustaining engineering support for field issues, updates, and product revisions.
Required Qualifications Bachelor’s degree in Mechanical Engineering or equivalent.
7-10+ years of professional mechanical engineering experience, including ownership of electronic enclosures or assemblies.
Enclosure and chassis design for electronics
Thermal management of electronic systems
EMI‑aware mechanical design
Proven ability to work effectively in regulated, security‑sensitive engineering environments.
Familiarity with EMI/EMC compliance testing and mitigation strategies from a mechanical perspective.
Experience with ruggedized designs subject to shock, vibration, and environmental extremes.
Prior experience serving as a technical lead or senior mechanical authority on multi‑disciplinary programs.
Comfortable working across electrical, mechanical, and manufacturing boundaries
Clear communicator who can explain and defend mechanical design decisions

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