Summer 2026 Mars Wrigley DS1 Packaging Co-Op Internship – Hackettstown, NJ

Mars • Hackettstown, NJ

132d

About The Position

At Mars, we work together to build a better world for people, pets, and the planet. From being a socially responsible business, to investing in our Associates, we're always looking at how we can make tomorrow brighter. As an Associate, you are empowered with the freedom and tools to be yourself, to forge your own path, to build relationships across our global community, to discover the right opportunities for you to grow – all with ample support. Here, you have our ongoing commitment to your growth and development as you work across our world-famous brands. Start your journey at Mars today! As a Mars Wrigley Packaging Co-Op, you will gain exposure to the following areas: As a Packaging Engineer Co-Op DS1, you are responsible for the below: Lead and execute packaging innovation projects under the guidance of Packaging Associates. Support ideating and realizing value leadership and cost savings goals. Develop detailed packaging specifications to ensure quality materials and best value for money on all packaging components used at our facilities, co-packers and co-manufacturers. Perform packaging sustainability assignments to help meet Mars Wrigley sustainability goals. Collaborate with cross functional team members including product development, equipment engineering, activity management, finance, industrial engineer and others. The Mars Co-Op is a 6 month summer/fall program providing excellent depth of experience with various real world Mars projects.

Requirements

• Student earning a degree in Packaging Science/Engineering.
• Passionate about packaging and the consumer products industry.
• Eligible candidates will intern the summer prior to their final graduation date.
• Open to students legally authorized to work in the U.S., without the need for current or future work status authorization or visa sponsorship for employment.
• Employment is contingent upon successful completion of drug & background screening.
• Eligible candidates will be responsible for personal transportation to and from work site during duration of the internship program.

Nice To Haves

• Humble and hungry, agile students who have a drive for results and a desire to learn.
• Ability to quickly build relationships.

Responsibilities

• Lead and execute packaging innovation projects under the guidance of Packaging Associates.
• Support ideating and realizing value leadership and cost savings goals.
• Develop detailed packaging specifications to ensure quality materials and best value for money on all packaging components used at our facilities, co-packers and co-manufacturers.
• Perform packaging sustainability assignments to help meet Mars Wrigley sustainability goals.
• Collaborate with cross functional team members including product development, equipment engineering, activity management, finance, industrial engineer and others.

Benefits

• Exciting professional and social engagement activities throughout the experience.
• Best-in-class training and development from Day 1, including a formal mentor and access to Mars University.
• Ongoing coaching and mentorship.
• A hybrid work model that celebrates remote work and in-person collaboration.
• Competitive salary & benefits package, fun freebies, and pet-friendly offices.
• Housing and relocation benefits vary on eligibility and location.

What This Job Offers

• Career Level: Intern
• Education Level: Bachelor's degree
• Number of Employees: 5,001-10,000 employees