Environmental Science Internship Jobs in Exeter, NH

Intern, Research & Development

*This is an internship for the fall 2026 semester (September-December). Relocation assistance is not available for this position.

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 Intern, Research & Development will assist in the design of firearm components and accessories and contribute to departmental goals as assigned. This temporary engineering position is intended for engineering students that are actively working toward a Bachelor of Science in Mechanical Engineering or Electrical Engineering. The Intern, Research & Development will work in a team environment with the Research & Development Designers, Test Technicians, and Engineers.

FLSA: Non-Exempt

Job Duties and Responsibilities:

• Create CAD design models using SolidWorks. Incorporate changes to existing engineering designs.
• Assist in the preparation of engineering drawings.
• Process engineering design change orders.
• Assist in the performance of tests and experiments.
• Analyze test data and write detailed test reports.
• Assist in the manufacture of prototype parts and products.
• Manage prototype parts and products inventory.
• Follow all range safety procedures when in any of the range areas.
• Must be able to travel infrequently.
• Consistently follow safe firearm handling practices.
• Must follow all required ISO procedures.
• Participate in and sustain 5S Standards.
• Miscellaneous duties as assigned.

Education/Experience & Skills:

• High School diploma or equivalent required and pursuing a Bachelor of Science in Mechanical Engineering or a related discipline.
• Equivalent combination of education and experience may be considered.
• Advanced coursework in thermodynamics, fluids, materials, mechanisms, CAD, or similar fields preferred. Prior CO-OP, internship, or design project work preferred.
• Must have basic proficiency in report creation.
• Must have basic proficiency using Microsoft Excel and Word.
• Must have basic proficiency using CAD software to create parametric solid models and engineering drawings, SolidWorks highly preferred.
• Experience using and maintaining firearms and/or related products is preferred.
• Must be able to clearly, concisely, and accurately convey ideas and information to others, in English, both verbally and in written form.

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.