Liquibox Toolmaker

Sealed Air Corporation; Lester Prairie (MN); On-site; USD 55,000 - 72,000; Full time

Benefits offered by this job

401(k)

401(k) matching

Dental insurance

Disability insurance

Employee assistance program

Employee discounts

Flexible spending account

Health insurance

Life insurance

Paid time off

Parental leave

Professional development assistance

Retirement plan

Tuition reimbursement

Vision insurance

Job summary

Sealed Air Corporation seeks an experienced Senior Toolmaker to join our manufacturing team. You will maintain, troubleshoot, and repair complex plastic injection mold tooling while supporting production and mentoring junior team members.

The role requires 2–5 years of hands-on mold experience, strong toolroom skills, and a focus on quality and safety. Shift options include Afternoon or Night with a schedule that supports rotating patterns.

Qualifications

• Associate's degree or diploma in Tool & Die, Precision Machining, or related program.
• 2-5 years hands-on experience with plastic injection mold assembly, disassembly, and repair.
• Proficient in toolroom equipment operation (mills, lathes, grinders, EDM).
• Experience with hot runner systems troubleshooting and maintenance.
• Ability to read blueprints and interpret GD&T.

Responsibilities

• Perform precision maintenance, repair, and setup of plastic injection molds ranging from single-cavity to complex multi-cavity high-volume tooling.
• Disassemble, clean, and inspect mold components using overhead crane equipment.
• Execute tooling changeovers and setups to meet production specifications.
• Troubleshoot defects and dimensional issues in parts via bench work and in-press analysis.
• Operate CNC mills, lathes, EDM machines, and surface grinders to fabricate or repair tooling components.
• Maintain and troubleshoot hot runner systems and components.
• Provide guidance and training to junior toolmakers and apprentices.
• Suggest design modifications to improve tooling performance and longevity.
• Participate in continuous improvement and maintain 5S in work areas.

Skills

Tool & Die knowledge

Blueprint reading

GD&T interpretation

Precision measurement

Mechanical aptitude

Education

Associate's degree in Tool & Die/Precision Machining

Tools

Mills

Lathes

Grinders

EDM

Job description

Sealed Air designs and delivers packaging solutions that protect essential goods transported worldwide, preserve food, enable e-commerce and digital connectivity, and help create a global supply chain that is touchless, safer, less wasteful, and more resilient. We strive to foster a caring, high-performance growth culture that will deliver consistent, sustainable profitable growth and accelerate our performance – a culture where accountability is clear and aligned, and where we reward business outcomes and impact. That culture guides everything we do, including how we partner with our customers and suppliers, how we attract and retain top talent, and how we create and deliver value for our stakeholders. In 2024, Sealed Air generated $5.4 billion in revenue and had approximately 16,400 employees distributing products and services to 117 countries/territories around the world. To learn more, visit www.sealedair.com.

Job Description

We are seeking an experienced Senior Toolmaker specializing in plastic injection mold maintenance and repair to join our manufacturing team. In this high-skill position, you will maintain, troubleshoot, and repair complex injection mold tooling while supporting our production operations and mentoring junior team members.

Schedule

• Shift Options: Afternoon (3:00 PM - 11:00 PM) or Night Shift (11:00 PM - 7:00 AM)
• Work Pattern: Monday-Friday or Rotating Schedule 2/2/3

Pay rate: $40.50 - $52/hr (commensurate with experience)

Night Shift Differential: $2.00

Essential Responsibilities

• Perform precision maintenance, repair, and setup of plastic injection molds ranging from single-cavity to complex multi-cavity high-volume tooling
• Disassemble, clean, and inspect complex mold components, including handling tools weighing thousands of pounds using overhead crane equipment
• Execute tooling changeovers and setups to meet production specifications and schedules
• Troubleshoot visual defects and dimensional issues in plastic parts through bench work and in-press analysis
• Operate precision toolroom equipment including CNC mills, lathes, EDM machines, and surface grinders to fabricate or repair mold components
• Maintain and troubleshoot hot runner systems and components
• Provide technical guidance and training to junior toolmakers and apprentices
• Recommend design modifications to improve tooling performance and longevity
• Participate in continuous improvement initiatives and maintain 5S standards in work areas
• Support production needs through responsive troubleshooting and emergency repairs

Qualifications & Requirements

• Education: Associate's degree or diploma in Tool & Die, Precision Machining, or related machine trades program
• Experience: 2-5 years of hands-on experience with plastic injection mold assembly, disassembly, and repair
• Technical Skills:
  • Proficient in toolroom equipment operation (mills, lathes, grinders, EDM)
  • Experience with hot runner systems troubleshooting and maintenance
  • Blueprint reading and GD&T interpretation
  • Precision measurement techniques and equipment usage
  • Strong mechanical aptitude and spatial reasoning
• Additional Skills:
  • Problem-solving and analytical thinking abilities
  • Mathematical skills for dimensional calculations
  • Ability to work independently and collaboratively
  • Strong organizational skills and attention to detail
  • Effective communication skills for cross-functional teamwork

Physical Requirements

Position requires standing for extended periods, lifting and manipulating tools and components (with mechanical assistance for heavy items), and performing detailed work requiring good manual dexterity and visual acuity. Reasonable accommodations may be made to enable qualified individuals with disabilities to perform essential functions.

Core Values & Competencies

• Safety Focus: Commitment to workplace safety practices and protocols
• Quality Driven: Dedication to precision work and quality outcomes
• Collaborative: Ability to work effectively in team environments
• Problem Solver: Analytical approach to troubleshooting and issue resolution
• Continuous Improvement: Proactive mindset toward process optimization

Benefits And Perks

• 401(k)
• 401(k) matching
• Dental insurance
• Disability insurance
• Employee assistance program
• Employee discounts
• Flexible spending account
• Health insurance
• Life insurance
• Paid elder care
• Paid time off
• Parental leave
• Professional development assistance
• Retirement plan
• Tuition reimbursement
• Vision insurance

Requisition id: 53103

Relocation: No

Sealed Air is committed to attracting, selecting, and developing talent that reflects the diversity of the communities and customers we serve. We take pride in our selection process to identify, infuse, and grow talent to align with our culture, values, and norms. Sealed Air prioritizes talent development, fostering a culture of continuous growth and career progression. The company is committed to providing equal employment opportunities to all applicants for employment and to all employees, without regard to race, color, religion, gender identity or expression, national origin, age, protected disability, veteran status, or any other protected status in accordance with applicable federal, state and local laws.

• Please be cautious of fraudulent recruiting efforts using the Sealed Air name or logo. Sealed Air will never request private information during the application process, such as a Driver's License or Social Security Number. If you have any concerns about information received from SEE during the application process, please reach out to us directly at [e-mail].