Principal Mechanical Engineer
Fuse Integration · San Diego, California, United States · Posted Jun 3, 2026
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Who we are:
Fuse builds innovative communications, networking, and computing solutions that improve the sharing of information, video, text, and voice among operators distributed throughout the airborne, maritime, and ground environments. We are a technology firm creating in-house software, network and hardware solutions that support our noble cause of advancing warfighter capabilities with elegant, user-focused communications, networks, and software systems.
About this role:
Do you thrive in innovative, design-driven environments with a high level of both accountability and trust? Are you passionate about delivering elegant hardware and software solutions designed with the operator in mind and the right amount of engineering rigor? If so – we want to hear from you! This role will support the agile development of innovative communications, networking, and computing solutions for U.S. defense agencies that improve the sharing of information among warfighters distributed throughout airborne, maritime, and ground environments.
Fuse is looking for a Principal Mechanical Engineer to lead development and deployment of our multi-function network controller (CORE®) and Integrated Systems suite of products. Fuse’s integrated solutions provide a complete suite of warfighting capabilities in a modular, open architecture that combines networking, computing, and communications in a single hardware package. This role will be a critical member of a talented team of engineers that demonstrate superb technical competency, delivering mission critical communications systems and ensuring the highest levels of availability, performance, and security. We’re looking for an experienced mechanical engineer that can balance discipline and attention to detail with outside-the-box thinking and an innovative problem-solving attitude. Must be an agile, pragmatic, detail- oriented, and mission-driven self-starter.
What you’ll do:
Lead a small team of Mechanical Engineers in the planning, design, analysis, and documentation of complex communications devices and integrated systems.
Implement mechanical systems, equipment, and packages for electronics
Generate and review mechanical drawings
Run advanced simulations on complex mechanical components and assemblies
Interact with vendors to quote mechanical parts
Participate in integrated product teams and engineering/design reviews
Lead team members in the preparation of detail design, design testing, and prototype fabrication
Lead integration between hardware, software, and network systems
Conduct and support test planning, execution, and post event reporting
Define electro-mechanical subsystem requirements and specifications
Conduct research and analysis of system interface documents in order to define, document, and design system connections and architecture
Manage workflows and task prioritization for junior Mechanical Engineers across multiple projects