Senior Mechanical Engineer

Mechanical Engineer

We are looking to make an impact on the future of DoD technology. Join the team at IS4S Orlando to help create munition systems that will aid the warfighter in getting their job done.

IS4S seeks a Mechanical Engineer experienced in designing components and systems in CAD and who enjoys a hands‑on approach to building, troubleshooting, testing, and improving real hardware. The ideal candidate is motivated, focused, confident, and ready to tackle challenging technical problems in a fast‑paced engineering and production environment.

• Develop mechanical designs and assemblies in Solid Works.
• Create technical drawings and manufacturing documentation.
• Support prototype fabrication and integration activities.
• Work directly with machinists, manufacturing engineers, and test personnel to solve complex mechanical and system‑level issues.
• Collaborate closely with engineers, technicians, manufacturing personnel, and program managers throughout the full development lifecycle—from initial concepts and prototype builds through testing and production.

• Bachelor’s degree in Mechanical Engineering or equivalent.
• 7+ years of hands‑on experience with mechanical design, prototype development, hardware integration, and troubleshooting in a fast‑paced engineering environment.
• Proficiency with Solid Works for 3D modeling, assembly design, technical drawings, and manufacturing documentation.
• Ability to work closely with a small, agile development team.
• Ability to obtain a SECRET security clearance.

• Experience designing for manufacturability (DFM), assembly (DFA), and rapid prototyping processes including additive manufacturing.
• Experience designing and developing mechanical systems for aerospace, defense, robotics, UAS, or other high‑reliability applications.
• Experience in DoD weapons development or integration.
• Ability to rapidly troubleshoot and solve mechanical integration or fitment issues with minimal oversight.

Integrated Solutions for Systems, Inc. (IS4S) is a 100% employee‑owned small business that provides a wide range of engineering and management solutions to government, military, and commercial customers. Founded in 2008, IS4S specializes in missile system engineering, energetic research and development, vehicle electronics, additive manufacturing, and other innovative technologies.

• Medical, Dental, and Vision care plans.
• Paid Time‑off and Parental leave programs.
• Group Term Life Insurance.
• 401(k) Plan – 6% Matching and 100% vested.
• Employee Ownership.
• Tuition Assistance, Training, and education development offerings.