M

Mack Molding

Design through FDA-approved plastics manufacturing

1st Shift Supervisor - Finishing

Full-Time
No salary listed
Mid
Bachelor's, Associate's
Arlington, VT, USA
In Person
Manufacturing & Production OperationsProduct Assembly

About the job

Requirements
  • A high school diploma is required.
  • One to two years of related manufacturing experience and/or training is required.
Responsibilities
  • Coordinate, direct, evaluate, and provide training and leadership to twenty or more hourly employees in assembly and/or molding operations.
  • Develop daily schedules, ensure quality and production goals are met, and troubleshoot problems as required.
  • Provide technical leadership for the department, including recommending and implementing equipment, process, and material enhancements.
  • Analyze and plan workforce utilization, space requirements, and workflow, including equipment and workspace layouts.
  • Ensure ISO procedures are followed, product integrity meets standards, and process improvement recommendations such as Statistical Process Control and other quality systems are maintained.
  • Ensure employees complete safety training, establish a safe work environment, and lead the department safety team.
  • Maintain constructive working relationships with business units, customers, and internal departments, including communication, coordination of work in progress, and process improvement.
  • Research and recommend production and auxiliary equipment procurement, and identify new technologies and expansion plans.
  • Perform other duties as assigned.
Desired Qualifications
  • An Associate degree from an accredited college or university is preferred.

About the company

Mack Molding provides end-to-end plastics-based product development and manufacturing across medical, commercial, and industrial markets. It combines design, prototyping, engineering services, injection molding, sheet metal fabrication, machining, and full assembly in ISO 9001, 13485, and 14001 facilities. Its MackMedical unit supplies fully assembled Class III PMA medical devices, surgical instruments, delivery systems, and orthopedic disposables. The southern division in Inman, SC and Statesville, NC focuses on large-part molding with 40 presses, supporting the goal of helping customers bring products to market efficiently through a single-source, regulated manufacturing solution.

Company Size

201-500

Company Stage

N/A

Total Funding

N/A

Headquarters

Milford, Connecticut

Founded

1920

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Simplify Jobs

Simplify's Take

What believers are saying

  • In February 2025, Mack committed more than $3 million to new presses and automation.
  • In February 2026, Mack added five presses and invested more than $5.5 million.
  • Notpla's homecare partnership expands Mack into sustainable packaging and new consumer channels.

What critics are saying

  • Mack's 2024 Somple retirement transition risks customer and employee churn during 2025.
  • The 2025 Vermont discrimination ruling shows costly labor-management exposure and reputational damage.
  • If large-program wins stall, Mack's heavy capex in 2025-2026 becomes underutilized capacity.

What makes Mack Molding unique

  • Mack blends custom injection molding, contract manufacturing, and engineering across Vermont, Carolinas, Massachusetts, Connecticut.
  • Its 120-plus-press footprint includes 4,000-ton equipment for oversized, highly engineered parts.
  • Vertical integration and large-part capacity let Mack serve medical, industrial, and transportation customers end-to-end.

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Company News

Mack
Oct 7th, 2026
Mack Molding Job Fair offers $1,500 sign-on bonus.

Mack Molding Job Fair offers $1,500 sign-on bonus. Mack is growing, and Mack Prototype, Inc. is looking for people who want to grow with Mack Prototype, Inc.. On Thursday, Oct. 8, 2026, Mack Molding is hosting a Job Fair at its Arlington headquarters, and Mack Prototype, Inc.'d love to meet you. Mack Molding Job Fair details. * When: Thursday, Oct. 8, 2026, 9:00 a.m. to 5:00 p.m. * Where: Mack Molding Headquarters, 608 Warm Brook Road, Arlington, VT 05250 Mack Prototype, Inc. is hiring for manufacturing roles in molding, machining, sheet metal and assembly. Whether you're an experienced pro or just starting out, there's a place for you on its team. Either way, Mack Prototype, Inc.'ll help you build the skills to grow. This isn't a drop-off-your-resume-and-wait kind of event. In fact, its team will be conducting interviews and making offers on site, so you could walk in as a candidate and leave with a new job. $1,500 sign-on bonus. In addition, new team members Mack Prototype, Inc. hire for hourly positions can earn a $1,500 sign-on bonus, which Mack Prototype, Inc. pay in three $500 installments, at 30 days, 90 days and six months. The bonus applies to anyone who applies for and starts an hourly position between Oct. 8 and Oct. 30, 2026. Work that matters. A career in manufacturing means making real things that make a real difference. The parts Mack Prototype, Inc. build at Mack help keep patients healthy, warehouses moving and backup power ready when people need it most. Since 1920, Mack Prototype, Inc. has built its reputation on skilled people who take pride in their work, and Mack Prototype, Inc. is always looking for more of them. Come ready for the Mack Molding Job Fair. Best of all, you don't need an appointment - just bring a copy of your resume and plan for a conversation with its team. Can't make it Thursday? Instead, visit its careers page, where Mack Prototype, Inc. always post current openings and you can apply any time. The team hopes to see you tomorrow in Arlington! Ready to engage? With its roots in custom injection molding, Mack Molding is a leading supplier of contract manufacturing services and injection molded plastic parts to companies in a range of industries. Mack Molding is committed to sustainable manufacturing best practices. Its other divisions. Engage. COME SEE US AT:

The German Business Report
Sep 25th, 2024
Sintered Metal Filters Market Segments, Drivers, Restraints, And Trends For 2024-2033

For instance, in November 2022, Rypos Inc. a US-based diesel particulate filter solutions company partnered with Dürr Universal, a US-based filtration solutions company and Mack Molding, a US-based metal fabrication company to manufacture sintered metal filters and other necessary parts for diesel particulate filters.

Bennington Banner
Apr 16th, 2024
Mack Molding chooses successor for President Jeff Somple

Pang was hired after a nationwide search and will become president of Mack Molding's Northern Division operations, including those in Vermont and headquartered in Arlington.

Source 360 Media LLC
Feb 9th, 2024
Kyle Teeter Appointed Plant Manager at Mack's Statesville, N.C. Facility

Mack Molding, a leading custom plastic injection molder and supplier of contract manufacturing services, announced Kyle Teeter has been appointed Plant Manager of the Company's Statesville, N.C., facility.

Synectic
Feb 6th, 2024
Mack Invests in New Plastic Injection Molding Presses for Cavendish, Vt., Plant

CAVENDISH, Vt. (Feb. 6, 2024) - Mack Molding, a leading custom plastic injection molder and supplier of contract manufacturing services, announced today the Company has expanded the press fleet at its Cavendish, Vt., facility.