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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Design Engineer II, Suppressors - **Company:** SIG SAUER - **Location:** Exeter, NH, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Microsoft Word, Microsoft Excel, 3d Models, Computer-Aided Design, Agile Methodology, Data Analysis, Computational Fluid Dynamics, SolidWorks (CAD), Kinematics, Microsoft PowerPoint, Rapid Prototyping Process, Solid Modeling - **Published:** November 2, 2026 - **Apply:** https://jobs.localjobnetwork.com/apply/add/87255050/1 ## About the Role * Bachelor of Science in Mechanical Engineering and 3-6 years of engineering experience in an R&D environment, preferably involving firearm suppressors, small arms systems, precision mechanical products, or related accessories. * Experience supporting the design, development, testing, and continuous improvement of firearm suppressors, muzzle devices, mounting systems, and associated weapon accessories. * Capable of performing moderately complex analyses such as FEA, kinematic and dynamic motion studies, CFD, thermal/heat transfer analysis, and sound/pressure flow evaluation related to suppressor performance, durability, and thermal management. * Proficient using Microsoft Excel, Word, and PowerPoint. Proficient using CAD software to create parametric solid models, assemblies, and associated drawings; SolidWorks experience required. Experience using a PLM system such as Agile preferred. * Able to generate clear, fully dimensioned, ASME Y14.5 compliant drawings of complex parts using logical datum structures and functional dimensioning schemes. Familiar with GD&T symbology and standard inspection methods. Capable of completing complex tolerance stack analyses. Proficiency with tolerance stack software preferred. * Intermediate understanding of manufacturing methods including precision machining, CNC turning, welding, additive manufacturing, metal injection molding, plastic injection molding, stamping/fine blanking, extrusion, forging, and casting. Knowledge of material selection, heat treatment, coatings, and high-temperature/high-pressure applications required. * Experience with suppressor materials such as stainless steels, Inconel, titanium, and other high-performance alloys preferred. Familiarity with baffle geometry, gas flow management, erosion mitigation, and thermal considerations is highly desirable. * Experience conducting hands-on firearm testing, suppressor fitment evaluation, live-fire testing, and performance validation preferred. Ability to safely handle, disassemble, maintain, and troubleshoot firearms and related systems required. * Must be able to clearly, concisely, and accurately convey ideas and information to others, both verbally and in written form. * Able to work effectively as part of a team, as well as independently, with limited guidance. * Possess practical experience with mechanical assembly techniques. Able to define problems, collect data using tools such as HSV, establish facts, and propose viable solutions to technical issues. * Familiarity with applicable ATF/NFA regulations and suppressor industry standards is a plus. Working Conditions: * Prolonged periods of sitting at a desk and working at a computer using a keyboard and mouse performing repetitive tasks. * Ability to open file cabinets, reach with hands and arms, bend, and twist, lift and move files. * Ability to lift up to 25 pounds. * Must wear required Personal Protective Equipment (PPE) where required. * Must comply with all work exposure EH&S training requirements and adhere to SIG SAUER Inc. Security Mandates. ## Description Position Summary: The Design Engineer II applies sound engineering judgment to product development activities including CAD modeling, prototype evaluation, testing, and hands-on firearm system work. This position requires strong problem-solving abilities, attention to detail, and collaboration with Manufacturing, Quality, Product Development, and Production teams. The ideal candidate is self-motivated, technically proficient in SolidWorks, and passionate about precision mechanical systems and firearms technology., * Develop innovative mechanical designs and product improvements for firearm suppressors, mounts, muzzle devices, and related accessories. * Create detailed 3D CAD models, assemblies, engineering drawings, and documentation using SolidWorks. * Support new product development projects from concept through prototype, testing, validation, and production release. * Generate and maintain ASME-compliant drawings with appropriate GD&T and functional dimensioning practices. * Participate in continuous improvement efforts related to product performance, manufacturability, quality, and cost reduction. * Conduct hands-on testing, assembly, and evaluation of suppressors and firearm systems. * Assist with root cause analysis, troubleshooting, and implementation of corrective actions for design and manufacturing issues. * Collaborate with Manufacturing, Quality, and Production teams to support DFM initiatives and efficient production methods. * Evaluate prototypes and production components through testing and data analysis; document findings and engineering recommendations. * Process engineering changes, revisions, and technical documentation updates through established systems. * Assist with material selection, tolerance analysis, and manufacturing process considerations including machining and finishing operations. * Support development and maintenance of engineering standards, test procedures, and technical documentation. * Participate in shop activities, prototype builds, and product evaluations while maintaining strict adherence to safety procedures. * Sustain 5S standards and contribute to ongoing operational and engineering improvement projects. * Perform additional engineering and development duties as assigned. Participate in and sustain 5S Standards. * Must follow all required Safety and ISO procedures. * Miscellaneous duties as assigned.