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Design Engineer II, Suppressors

SIG SAUER, Inc.  is a leading provider and manufacturer of firearms, electro-optics, ammunition, airguns, suppressors, remote controlled weapons stations, and training.  For over 250 years SIG SAUER, Inc. has evolved, and thrived, by blending American ingenuity, German engineering, and Swiss precision.  Today, SIG SAUER is synonymous with industry-leading quality and innovation which has made it the brand of choice amongst the U.S. Military, the global defense community, law enforcement, competitive shooters, hunters, and responsible citizens.  Additionally, SIG SAUER is the premier provider of elite firearms instruction and tactical training at the SIG SAUER Academy.  Headquartered in Newington, New Hampshire, SIG SAUER employs people across various U.S. locations, and global facilities across multiple regions.  SIG SAUER is certified a Great Place to Work™.  For more information about the company and product line visit: www.sigsauer.com.

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.

FLSA: Exempt

Job Duties and Responsibilities:

• 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.

Education/Experience & Skills:

• 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.

Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status or other characteristics protected by law.