Mechanical Engineer
Fuse Integration
Mechanical Engineer
Fuse Integration
Defense communications and tactical edge networks
Fuse Integration · San Diego, United States · Full-time · Posted 2026-07-23
Salary: USD 95,000–130,000
Workplace: on_site
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 solutions with the right amount of engineering rigor? Are you seeking a technical role where you can take initiative? If so - we want to hear from you!
Fuse is looking for a mid-level Mechanical Engineer to join our team onsite in San Diego, CA. We’re looking for a mechanical engineer that can balance discipline and attention to detail with outside-the-box thinking and an innovative problem-solving attitude. Must be a pragmatic and mission-driven self-starter. Apply your analytical and detail-oriented mindset to develop, own, and improve Fuse’s products for U.S. defense agencies that improve the sharing of information among warfighters distributed throughout airborne, maritime, and ground environments. Through a collaborative effort with the Electrical, Systems, and Production teams, this role will support Fuse Engineering to build communications, networking, and computing solutions for the warfighter. This is a mid-level role with great potential for growth.
Warfighter-focused design and development is at the heart of Fuse processes. Throughout Fuse development our experienced team applies the best practices of commercial design-thinking, coupled to the DoD systems engineering framework. The coupling of commercially proven design with rigorous systems engineering gives Fuse an ability to rapidly design, develop and field solutions well inside of typical military design cycles. Fuse rapidly innovates, putting creative concepts into action and refining those concepts through hands-on testing, user evaluation, and iterations.
What you'll do:
Implement mechanical systems, equipment, and packages for customers and internal programs that meet requirements and expectations
Support, design, and develop dynamic tactical communications systems
Mechanical design and development for sustaining engineering of our flagship and existing products including dynamic tactical communications systems
Perform trade studies and participate in equipment selection
Generate, review, and maintain mechanical drawings, bills of materials (BOMs), work instructions, and releasing of mechanical prints
Interact with vendors to quote and produce mechanical parts and assemblies
Participate in engineering/design reviews
Conduct feasibility studies and testing on new and modified designs
Support prototype and first article hardware builds
Support integration between hardware, software, and network systems
Conduct and support test planning, execution, and post-event reporting
Interpret and research system interface documents in support of designing/defining/documenting how systems will interconnect
Translate customer requirements into subsystem and system specifications
Provide on-site and distance operational support
Limited Travel may be required
Bachelor’s degree in Mechanical/Aerospace Engineering and 4+ years of experience
Familiarity with Engineering Drawing Practices Y14.100 and Geometric Dimensioning and Tolerancing Y14.5
Expert level of capability with Solidworks software including experience with eDrawings and Model Based Definition (MBD) of products and assemblies Y14.41
Experience with fabrication methods for sheet metal and machined parts with part finishing (powder coat, anodize, Alodine, and plating)
Understanding of additive manufacturing processes and fabrication methods for sheet metal and machined parts
Understanding of cable routing and its application in enclosures
Must be a nimble self-starter who is excited about technology and can think out of the box and suggest powerful new ideas
Experience working with production personnel and creating assembly instructions
Strong technical, interpersonal, written and verbal skills
Ability to operate effectively in a team environment as well as independently
Demonstrate ownership and accountability of product designs
Ability to obtain US SECRET Clearance
US Citizen
Your own unique talents! If you meet some requirements of this position but not 100% of the qualifications outlined above, tell us why you’d be a great fit for this role based on your specific characteristics that align with our values and goals
Nice to have:
Experience with presenting technical data to small to medium sized external customer groups (both Technical and programmatic audiences)
Experience in design for TEMPEST, EMI MIL-STD-461, MIL-STD-810 (Environmental), MIL-HDBK-516 (Air Worthiness), ARINC 404, and/or ARINC 600 requirements
Basic Electrical Engineering knowledge including manufacturing processes for Circuit Card Assemblies and grounding strategies
Basic understanding of Configuration Management practices with experience with Solidworks PDM
Experience with Solidworks Simulation analysis (or similar software) to include Structural Static/Fatigue, Thermal (Conduction and Convection) and Computational Flow/Fluid Dynamics (CFD)
Experience in designing routing cable assemblies using software-based tools such as Solidworks Electrical 3D and Schematics.
Experience in system design, testing, and analysis
Experience in agile, professional software development environments utilizing revision control, test driven development and continuous integration
Active Secret Clearance
More about Fuse:
Founded in 2010, Fuse is a veteran-owned, rapidly growing small business. Our San Diego-based company has earned recognition as an emerging leader in airborne, maritime, and ground networking. Placing the warfighter at the center of every design process, Fuse delivers intuitive, agile, and resilient products that go beyond national security requirements—providing lasting utility and game-changing results. We take pride in our brilliant and talented team as well as our dynamic environment and collaborative, creative, environment. We build cutting-edge hardware and software products that solve complex national security challenges for our warfighters at the tactical edge.
Salary: $95,000 - $130,000
Medical, Dental, and Vision
Employee coverage is fully funded; a portion of dependents' coverage is funded as well
11 paid Federal Holidays
Paid Time Off (PTO)
Date of hire through second year: 10 days/year (accrued)
After two years: unlimited
40 hours of paid sick leave per year
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Defense communications and tactical edge networks
Fuse Integration builds and supplies communications, networking, and computing systems for U.S. defense agencies. Its products help warfighters share information quickly and securely across airborne, maritime, and ground environments by using virtualized networks, modular tactical edge virtual networks, and gateway devices. The way their products work is by virtualizing and deploying network services close to where soldiers operate, enabling fast, reliable data sharing even in harsh environments. Fuse differentiates itself through a warfighter-focused design process that couples expert engineers with defense operations experts to tailor technology to mission needs, ensuring data is current, accurate, and easy to understand for decision-makers in the field. The company's goal is to provide practical, data-driven solutions that give tactical edge victories and extend utility beyond basic security requirements for U.S. military customers.
Explore more opportunities at Fuse Integration