Mold Technician​/Tool Maker - Injection Molding

Job Category
:
Manufacturing Technical

Requisition Number
: MOLDT
001461

• Posted:
  November 13, 2025
• Full-Time
• On-site

Showing 1 location

Winchester, VA 22603, USA

At Monoflo International, the role of a Mold (Tool) Technician is crucial for the success of our Tooling Group, which supports our Production Group by maintaining and servicing injection molds. As a Mold (Tool) Technician, you will utilize a range of hand tools to maintain and repair our plastic injection molds, as well as diagnose water, hydraulic, and air systems. If you are looking to expand your skills, Monoflo offers opportunities to develop expertise in manual machining, welding, and CNC programming.

• Preventive/Predictive Maintenance on Injection Molds:
• Conduct regular maintenance to prevent breakdowns and ensure molds are operating efficiently.
• Implement predictive maintenance strategies to anticipate and address potential issues before they escalate.
• Troubleshooting and Mold Repairs:
• Diagnose problems with injection molds and perform necessary repairs to restore functionality.
• Address issues such as part line damage or shut‑off problems through welding and other handwork techniques.
• Repair and Maintenance of Hot Runner Systems:
• Maintain and repair hot runner systems to ensure they operate effectively during the injection molding process.
• Troubleshoot issues related to hot runner components and optimize their performance.
• Diagnosing Water and Cooling Channels:
• Inspect and diagnose internal water and cooling channels within molds.
• Ensure proper functioning to regulate mold temperature and prevent overheating during production.
• Diagnosing Air and Hydraulic Systems:
• Check and troubleshoot air and hydraulic systems that support mold operation.
• Ensure these systems function correctly to facilitate mold movement and operation as needed.
• Wiring Heaters, Core, and Limit Switches:
• Wire and maintain heaters used within the molds to regulate temperature during the molding process.
• Install and maintain core and limit switches to control mold operation and ensure safety protocols.
• Developing Skills in Manual Machining and Welding:
• Opportunity to learn and enhance skills in manual machining techniques relevant to mold maintenance and repair.
• Gain proficiency in welding methods necessary for repairing mold components and addressing damage effectively.
• CNC Programming Skills Development:
• Opportunity to learn CNC (Computer Numerical Control) programming, which is essential for advanced mold repair and customization tasks.

• Surface Grinder
• Hand polishing
• Dry Ice Cleaning Equipment
• Mig and Tig welders, Micro welder for those interested in welding

• 4+ years' experience working with and maintaining plastic injection molding molds (tools)
• Proficient reading part prints for assembly
• Proficient in diagnosing air and hydraulic systems
• Ability to weld is beneficial but not required
• Financial Wellness
  : 401(k) retirement plan with company match and annual/quarterly bonus opportunities.
• Health Coverage
  :
  Medical, dental, and vision insurance.
• Security
  :
  Short‑term and long‑term disability insurance.
• Optional Extras
  :
  Employee‑paid voluntary life insurance and supplemental benefits.
• Time Off
  :
  Competitive PTO, paid holidays, and a company‑paid Christmas shutdown.
• Unique Perks
  • Raffles for concerts, sports, and entertainment tickets.
  • Locally sourced prize raffles.
  • Monthly happy hours to unwind and connect with the team.

Monoflo International, Inc. stands as a prominent provider of innovative and eco‑friendly business‑to‑business reusable packaging solutions. Since our inception in 1973, we've remained a family‑owned and operated enterprise, steadily advancing as a premier manufacturer of plastic, reusable transport packaging solutions. While our product range is diverse, our core focus remains unwavering: harnessing cutting‑edge technology to produce top‑tier products that facilitate seamless product transportation for our clients.

We empower our employees to steer their career trajectories, fostering an environment where dedication and excellence are duly recognized and rewarded with avenues for growth. While collaboration is central to our ethos, we emphasize individual accountability and ownership as fundamental drivers of success within our organization.

If you're seeking an opportunity to seize control of your daily responsibilities and projects while thriving in an environment where colleagues share a deep pride in their work, seize the moment and apply today!

Monoflo International is an equal opportunity, drug‑free employer.

This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.