Sr. Design Engineer

Sr. Design Engineer

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 has over 3,400 employees across sixteen U.S. locations in three states, and four additional global facilities.  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 Sr. Design Engineer is responsible for developing new UxS firearms payloads as well as initiating legacy product improvements. Responsibilities also include exercising sound engineering judgement, presenting analysis summaries which support design decisions, and coaching R&D staff. This senior-level position is attentive to detail in completing tasks assigned by the Manager and/or Director, Advanced Concepts as well as providing guidance to less experienced team members. The Sr. Design Engineer collaborates with Designers, other Design Engineers, Electronics Technicians, and Test Technicians. Proactive collaboration with other departments such as Product Management, Manufacturing, Quality, and Assembly is also required.

FLSA: Exempt

Job Duties and Responsibilities:

• Actively contribute to and provide technical leadership in the development of innovative UxS firearms payloads and/or related products which meet product requirements and cost targets.


• Mentor less experienced Engineers on complex UxS designs.


• Generate and check drawings, ensuring functional dimensioning scheme, appropriate GD&T, and ASME Y14.5 compliance. Determine required tolerance stack analyses for product designs, ensure final design results showing acceptability are documented. Identify QAPs with consideration for tolerance stack contributions, and Quality Function/FMECA characteristics.


• Independently complete complex, accurate analyses using two or more of the following tools: FEA, motion, CFD, heat transfer, or other software. Review analyses completed by other Engineers for accuracy and provide guidance for identified concerns.


• Process all levels of change orders through the PLM system. Responsible for the accuracy of assemblies and BOMs.


• Ensure test plans used to evaluate new or modified products are logical and thorough. Coordinate Test Technician activity, assisting with testing as necessary. Review test data and ensure hypotheses, conclusions, and next steps are valid. Verify accuracy and completeness of test reports.


• Responsible for DFM of complete products, coordinating activities with Manufacturing Engineers, and vendors. Track product cost rolls against targets and implement design changes as necessary to meet plans.


• Evaluate part inspection data and determine the acceptability of non-conformances, providing feedback to suppliers.


• Develop and manage Intellectual Property through patent searches, patent applications, and trade studies.


• Lead the continuous improvement of technical information, analytical methods, design practices, and other R&D activities.


• 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 7-10 years of previous engineering experience in an R&D environment.


• Capable of performing highly complex analyses such as FEA, kinematic and dynamic motion, CFD, and/or heat transfer.


• Proficient using Microsoft Excel, Word, and PowerPoint. Proficiency with Microsoft Project preferred.


• Proficient using CAD software to create parametric solid models, complex mated assemblies, and associated drawings; SolidWorks experience highly preferred.


• Experienced using a PLM system for complete product lines; Agile preferred. PX4, Ardupilot, AM32, BlHeli32, and Betaflight experience highly desired.


• 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 using software.


• Fundamental understanding of manufacturing methods including machining, metal injection molding, plastic injection molding, stamping/fine blanking, extrusion, forging, and casting are required, as well as knowledge in material selection, heat treatment, and coatings.


• Must be able to clearly, concisely, and accurately convey ideas and information to others, both verbally and in written form.


• Familiarity with ITAR, ATF and EAR regulations is preferred.


• Familiarity with NATO and TOP standards as well as Mil-Specs is preferred.


• Able to work effectively as part of a team, provide guidance to less experienced team members, and work independently, with minimal guidance.


• Possess practical experience with mechanical assembly techniques.


• Able to independently define and resolve complex problems by collecting and analyzing data, establishing facts, drawing valid conclusions, and executing viable solutions.

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.