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Senior Packaging Engineer - Packaging Design/Development

Mars · Chicago, IL

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Level
Senior
Team
Manufacturing
Travel
40%
Degree
Required
Experience asked
6+ years
Industry
Food & beverage
Posted
Yesterday

The role in 30 seconds

A senior manufacturing role at Mars (food & beverage) in Chicago, IL.

They ask for
6+ years · degree required
Tools it names
Validation (IQ/OQ/PQ), Packaging lines
Day to day
about 40% travel

Read from the posting. The full description is below.

From the plant jobs report · week of November 2, 2026

Manufacturing Engineer roles in Illinois: typical posted base $97k–$134k.

Median of the low and high ends of 40 live postings that list pay, out of 75 manufacturing engineer openings in Illinois, read from manufacturers' own careers sites.

Illinois plant jobs report →Pay by team and state →What moves pay →

How this role compares

Against 74 other live manufacturing postings in Illinois.

Base pay
Not listed in this posting

Typical $87k–$112k, from 35 postings that list pay.

Experience asked
More than usual (6+ vs 5+)

Similar roles usually ask 5+ years.

Skills these teams ask for most

  • Root cause 40%
  • ✓ Validation (IQ/OQ/PQ) 35%
  • Tooling 32%
  • Automation 32%
  • Lean 31%
  • ✓ New product launch 25%

✓ = this posting asks for it too. % = share of similar postings that mention it.

Stands out: this posting asks for Packaging lines, which few similar roles mention. If you have it, lead with it.

It asks for 6+ years. If you're close, apply anyway: requirements are a wish list. Talk to someone doing this work there first.

At a glance

Pulled from the posting text. If it's not listed here, the posting didn't say.

How to get in at this plant

Five moves over a week or two. The first one takes ten minutes.

  1. 1

    Pick 2–3 people on the Manufacturing team at Mars

    Engineers who joined in the last year or two reply the most. Use the team search on this page to find them.

  2. 2

    Send a short, curious note

    One real question about their work. No favors yet. Each person gets a different note, written for this role.

  3. 3

    Turn a reply into a short call

    Questions worth asking about this team:

    • What does a normal week look like on your team?
    • Is the work mostly new product launches or sustaining existing lines?
    • How much time do you spend on the floor versus at a desk?
    • The posting says about 40% travel. Between which sites?
    • How did you land the job? What stood out in your interviews?
  4. 4

    Apply with someone vouching for you

    If the call went well, ask whether they’d pass your résumé to the hiring manager. Send your résumé link, apply that day, and let them know.

  5. 5

    Bring proof to the interview

    One page of before-and-after numbers from projects you led: scrap, OEE, cycle time, cost. Plant managers hire on results.

This plant: Mars in Chicago

2 other open roles at this site.

Full description from MarsAs posted on their careers site.Show

qualifications

for our granola and bar portfolios—bringing deep technical rigor and fresh energy to our collaborative te am.

What are we looking for?

  • ✓6+ years of hands-on, concept-to-launch packaging experience in consumer goods (previous experience in food packaging or highly matrixed environments is preferred).
  • ✓Proven track record in technical qualification and plant start-ups , with experience executing trial plans and qualification runs on manufacturing lines.
  • ✓Deep technical expertise in packaging materials and equipment , with the ability to build robust packaging specifications from scratch.
  • ✓Strong project management skills , with experience developing technical timelines, managing risk assessments, and coordinating supplier deliverables.
  • ✓An entrepreneurial "Test & Learn" mindset with a demonstrated ability to challenge the status quo, make decisions quickly, and build alignment across cross-functional teams.
  • ✓Academic Foundation: A Bachelor’s or Master’s degree in Packaging Engineering, Mechanical Engineering, or a highly related technical field.
  • ✓Travel Flexibility: Ability and willingness to travel approximately 30–40% to manufacturing plants, co-manufacturers, and supplier locations.

What will be your key responsibilities?

  • ✓Lead Package Development: Direct the scoping, prototyping, testing, and validation of innovative packaging materials and formats across the BFY portfolio (KIND, RXBAR, Special K Bars, Nutri-Grain Bars, Kashi, and Pure Organics).
  • ✓Drive Commercialization & Trials: Plan and execute pilot runs, packaging line trials, and technical

qualifications

at internal plants, co-packers, and co-manufacturers.

  • ✓Author Specifications: Develop and manage highly accurate, detailed technical specifications for all packaging components to ensure quality, value, and seamless plant execution.
  • ✓Manage Supplier Partnerships: Directly manage technical relationships with packaging suppliers to source materials, evaluate capabilities, and qualify new partners.
  • ✓Execute Technical Governance: Build and execute rigorous trial plans, risk assessments, and contingency options for complex innovation and renovation programs.
  • ✓Champion Process & Mentorship: Act as a technical mentor to junior engineers, driving modern packaging solutions and evolving our technical ways of working.
  • ✓Collaborate Cross-Functional: Serve as the core R&D Packaging lead to collaborate seamlessly with Marketing, Procurement, Quality, Regulatory, and Supply chain teams.

What can you expect from Mars?

  • ✓Work with diverse and talented Associates, all guided by the Five Principles.
  • ✓Join a purpose-driven company, where we’re striving to build the world we want tomorrow, today.
  • ✓Best-in-class learning development support from day one, including access to our in-house Mars University.
  • ✓An industry-competitive salary and benefits package, including company bonus.

#Marsjobs

The pay range shown is applicable to all US locations listed within the job posting:USD 108,160.00 - USD 148,720.00

Show full description ↓

Job Description

Senior Packaging Engineer

Location: Chicago, IL (Wells St. Office)

Segment: Mars Snacking Accelerator (Better-For-You Business Unit)

Brands Supported: KIND, RXBAR, Special K Bars, Nutri-Grain Bars, Kashi, and Pure Organics

Manager: Director, R&D Packaging

Direct Reports: N/A

The Opportunity

Accelerator, a global Division of Mars Snacking, is on the front line of unlocking growth across high-potential categories and brands to fuel what’s next for Snacking. It’s home to both emerging and enduring brands, including KIND, TRÜ FRÜ, NATURE’S BAKERY, RXBAR, EGGO, POP-TAPTS and RICE KRISPIE TREATS. Combining the scale of Mars with the agility of a start-up, our Division has the ambition to accelerate the future of snacking by delivering products consumers love today, discovering category-shaping innovations for tomorrow and developing entrepreneurial teams whose impact will last for generations.

We’re looking for passionate talent who dare to dream big, agile collaborators who talk straight and decide fast, and driven performers with a growth mindset. We’re proudly part of Mars, while also building something boldly different. If this inspires and energizes you, you’ve found the right place where you can do cool things with fun people for one of the biggest snacking companies in the world!

As our Senior Packaging Engineer within the Better-For-You (BFY) business unit, you will be the driving force behind the development and optimization of packaging across iconic brands like KIND, RXBAR, Special K, Nutri-Grain, Kashi, and Pure Organics. Operating from our Chicago office on Wells St., you will take hands-on ownership of high-impact innovation, rebranding projects, and business-critical value leadership initiatives. In your first six months, you will hit the ground running by leading critical supplier transitions, managing line trials, and driving packaging

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