Engineering Intern - Electrical Engineer

Position: Engineering Intern - Electrical Engineer

Location: Mansfield, TX

Job : 596

# of Openings: 1

Sellmark Corporation develops and distributes industry-leading outdoor lifestyle and tactical products across multiple brands. We are committed to innovation with a purpose, delivering solutions that enhance our customers’ performance and safety. Our culture is built on proactive ownership, customer focus, and a drive to grow, while making a positive, lasting impact. We empower our teams to collaborate, take initiative, and achieve their full potential.

We are looking for individuals who are motivated to grow, take ownership, and contribute to a high-performing team.

The Electrical Engineering Intern will support the New Product Development team by assisting with day-to-day tasks, project work, and cross-functional initiatives. This role is designed to provide hands‑on experience, professional development, and exposure to core business operations within Sellmark.

The intern will work under the guidance of a designated supervisor and collaborate with team members to contribute to meaningful projects aligned with departmental goals. Responsibilities may include research, data analysis, documentation, administrative support, and participation in team meetings or ongoing initiatives.

This position offers an opportunity to develop practical skills, gain industry knowledge, and build professional competencies in areas such as communication, problem‑solving, and teamwork. The internship program will run 12 weeks starting late May.

• Standardize PCB component libraries, creating footprints in Altium software.
• Assist senior engineers with hands‑on testing and troubleshooting using lab equipment like oscilloscopes and multimeters.
• Develop and maintain Software Development Kits (SDKs) for electronic products.
• Create and update technical documentation, including product data sheets and Interface Control Documents (ICDs).
• Help maintain and update technical documentation and project logs.
• Capstone presentation at the conclusion of internship.

Perform additional duties as required to support the department's effective operation.

• Currently enrolled in or recently graduated from an accredited college or university program relevant to Electrical Engineering or other engineering disciplines.
• Strong interest in design and development and/or the outdoor hunting and shooting industry.
• Basic knowledge of Microsoft Office Suite, Word, PowerPoint; familiarity with additional tools relevant to the department such as Altium is a plus.
• Excellent written and verbal communication skills.
• Strong organizational skills with attention to detail.
• Ability to manage multiple tasks and meet deadlines in a fast‑paced environment.
• Demonstrated problem‑solving skills and willingness to learn.
• Ability to work both independently and collaboratively within a team environment.
• Professional attitude with a high level of integrity and accountability.

• May be required to sit or stand for extended periods.
• Occasional bending, twisting, reaching, pushing, pulling, and operating office machinery.
• Must be able to lift up to 50 pounds.
• Primarily office-based with potential exposure to outdoor conditions.

• Main hours are Monday – Friday 8 a.m. – 5 p.m. in office.
• Schedule may include evenings or weekends based on business needs.

• Paid internship.
• Professional development and learning opportunities.
• Networking events and team engagement activities.
• Receive hands‑on training specific to the assigned department and role.
• Work under the guidance of a designated supervisor and/or mentor.
• Gain exposure to real‑world projects, team meetings, and cross‑functional collaboration.
• Participate in job shadowing and skill‑building opportunities as available.
• Receive ongoing feedback and a final performance evaluation at the conclusion of the internship.