Crown Holdings, Inc. through it's subsidiaries, is a world leader in the metal packaging production process. We design and manufacture a wide range of innovative and sustainable metal packaging solutions and products. Our clients are some of the largest and most respected companies in the world.
Crown is dedicated to building a team of highly talented, dedicated, and driven individuals. It's an exciting time to join our business because Crown offers you the opportunity to grow and develop your skills in an expanding industry.
Crown was founded with the goal of valuing and promoting sustainability and this vision continues to be essential to our long-term future.
The Ring Grinder is responsible for operating and maintaining grinding equipment used to process aluminum can ends or body maker rings to precise specifications. This role ensures that tooling components are accurately sized, defect-free, and ready for use in high‑speed can manufacturing equipment. The Ring Grinder supports production efficiency by preparing components that meet strict safety, quality, and dimensional standards.
· Operate ring‑grinding machinery, lathes, and measurement tools to grind and finish rings used in can body makers or end‑making equipment.
· Adjust machine settings to achieve required tolerances, surface finishes, and dimensional specifications.
· Inspect tooling components before and after grinding to identify wear, deformation, or imperfections.
· Use precision measurement instruments (micrometers, calipers, gauges, comparators) to verify accuracy of ground rings.
· Document measurements, tolerances, and quality outcomes according to plant standards.
· Ensure tooling meets all safety and production specifications before release to maintenance or production teams.
· Perform routine cleaning and minor maintenance of grinding machines and associated tooling.
· Identify and report equipment issues requiring technician intervention.
· Follow all safety protocols related to rotating equipment, aluminum dust handling, PPE, and lockout/tagout (LOTO).
· Collaborate with mechanics, tooling technicians, and production operators to ensure timely delivery of prepared rings.
· Maintain accurate inventory of rings, tooling components, and grinding supplies.
· Support continuous improvement initiatives related to tooling performance, grinding efficiency, and scrap reduction
· High school diploma or equivalent.
· Prior experience in a manufacturing, machining, or precision equipment environment.
· Ability to read and interpret blueprints, schematics, and technical drawings.
· Proficiency with measurement tools (micrometers, calipers, dial indicators, etc.).
· Basic mechanical aptitude and familiarity with grinding or machining processes.
· Experience in aluminum can manufacturing, metal forming, or high‑speed production preferred.
· Knowledge of can body maker or end‑making tooling components preferred.
· Prior training in LOTO, machine safety, or industrial hygiene preferred.
Working Together Working Together is one of the five pillars that make up our Twentyby30™ program. We aim to value and respect each individual and foster an environment of inclusivity.
Crown is one of the leaders in the design, manufacture, and sale of packaging products and equipment for consumer and industrial products. Crown's packaging for consumer products includes steel and aluminum cans for food, beverage, household and other consumer products, glass bottles for beverage products and metal vacuum closures and steel crowns sold through Crown's sales organization to the soft drink, food, citrus, brewing, household products, personal care, and various other industries. Crown's packaging for industrial products includes steel and plastic strap consumables and equipment, paper-based protective packaging, and plastic film consumables and equipment, which are sold into the metals, food and beverage, construction, agricultural, corrugated, and general industries.
In 2023, the company operated 195 facilities in 39 countries worldwide and had approximately 26,000 employees. Consolidated net sales in 2023 were $12 billion with 56% derived from operations outside the US and Canada.
