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CNC Machinist / Tool Maker
CNC Machinist / Tool Maker-March 2024
West Chester
Mar 27, 2026
About CNC Machinist / Tool Maker

  Together for a cleaner, healthier world.

  Johnson Matthey, a FTSE 250 company, is a global leader in sustainable technologies specializing in catalysis, precious metal products, chemicals and process technology. With operations in over 30 countries, we employ more than 14,000 people. Johnson Matthey uses science to make the world cleaner and healthier. Over the past two centuries we have built our reputation and place as a global leader through quality, integrity, and innovation. Today, more than 93% of the group's sales come from products and services which provide sustainability benefits through the positive impact they have on the environment, resource efficiency and human health, but that’s not enough. We have ambitious plans for growth and need talented individuals to help shape and lead us into our next century.

  Platinum Group Metal Services (PGMS) is a leading refiner and recycler of precious group metals. The growing demand for low carbon and responsibly sourced products is creating growth opportunities in critical metals recycling and secondary refining, and as the world’s largest precious metals recycler, PGMS is a key player in the circular economy.

  Your Responsibilities:

  Available to work 2nd shift or 3rd shift

  Receives instructions, prints and work orders.

  Must have working knowledge of the standard CNC “G” code language needed to run standard CNC equipment.

  Selects and grinds tools for the job in accordance with hardness, machineability, desired finish, and other properties of parts to be machined and/programming requirements.

  Interprets ANSI standards, blueprints, drawings and sketches.

  Working knowledge of geometric tolerancing (understanding symbols on blueprints).

  Plans and determines working procedure for tools and materials requirements along with the Engineering Department.

  Designs simple tools, jigs, and fixtures.

  Makes sketches of parts and performs any layout desired.

  Calculates and determines dimensions, tapers, indices and other data using shop formulae and handbooks, as necessary.

  Sets up any type of machine tool common to the trade, adjusting stops, feeds speeds and indexing, tapering, or threading attachments and performs any type of operation for which the machine is adapted. Machines and hand finishes parts to precision tolerances and required surface.

  Uses precision measuring instruments; assembles, fits, aligns and adjusts parts to very close tolerance. Applies ordinary heat treatment to ferrous materials of any shape, requiring a general knowledge of physical properties of materials, critical temperatures, various techniques of heat-treating, drawing tempering, annealing and the application of various quenching mediums.

  Performs work requiring a thorough knowledge of machine shop and tool room practices and techniques, properties of various materials, the principles of application and operation of various types of tools, fixtures, dies, instruments, and machinery, and the ability to plan and execute difficult work to precision tolerances.

  Working knowledge of basic computer functions, as needed to store or retrieve CNC Programs.

  Performs and maintains responsibility for all in-process inspection, per standard inspection procedures throughout course of any given job, also responsible for practical knowledge of all inspection equipment necessary on any given job and maintenance of same.

  Requirements for the role:

  High school diploma or GED equivalent required

  Proven experience as a CNC Machinist

  Proficiency in operating CNC Mill (3-4 axis VMC) and CNC Lathe (2-4 axis) machines

  Strong knowledge of Calipers and Micrometers for accurate measurements

  Familiarity with GD&T principles and blueprint reading

  Ability to program and edit G-Code and M-Code

  Experience with CAD/CAM software for programming and simulation

  Excellent manual machining skills

  Ability to work independently and as part of a team

  Good communication and problem-solving skills

  Prior experience with Bridgeport and Dmg Mori Seiki machines is a plus

  How you will be rewarded:

  We offer a competitive compensation and JM Elements benefits package including bonus and excellent retirement contributions. Our JM Elements Benefits program helps our employees understand and manage the JM benefits, as well as helping you focus on your overall wellbeing – for you and your family.

  We use our inspiring science and technology to enhance lives. For those who are passionate about sustainable solutions and shaping our markets, we offer stretch and a wealth of diverse opportunities.

  We’ll give you freedom to bring your whole self to work and be part of a team where difference matters and all voices are heard, that genuinely cares for you and where your contribution is appreciated. We’ll empower you to lean in and make things happen, to create solutions and value for our customers. United by our values and vision, we’re self-starters sharing the same values and accountability and always with a shared commitment to doing the right thing. We’re passionate about making a difference and delivering a better tomorrow for us and for you – a cleaner and healthier world, today and for future generations.

  Johnson Matthey is open for discussion on part time, job share and flexible working patterns.

  #JMUS

  #LI-RM1

  How to apply:

  If you have the necessary skills and experience to join our team, please apply online. For any queries or should you require any reasonable adjustments to support your application please let your recruiter know when they contact you.

  If you are already a Johnson Matthey Employee, please visit the internal careers site to apply: Find Jobs - Workday (myworkday.com (https://wd3.myworkday.com/matthey/d/pex/home.htmld) )

  All applications are carefully considered and your details will be stored on our secure Application Management System. This is used throughout Johnson Matthey for the selection of suitable candidates for our vacancies as they arise. Johnson Matthey respects your privacy and is committed to protecting your personal information. For more information about how your personal data is used please view our privacy notice:  Johnson Matthey Privacy Notice (https://matthey.com/en/website-information/privacy-notice)

  You will be contacted by the Johnson Matthey Talent Acquisition team once your details have been reviewed. Please allow four weeks from the closing date to allow for screening to take place.

  We appreciate the time and effort taken in completing an application.

  By applying for this role and creating an account you are agreeing to Johnson Matthey Privacy Notice (https://matthey.com/en/website-information/privacy-notice)

  Johnson Matthey Plc is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, marriage or civil partnership, pregnancy or maternity, religion or belief.

  If you are already a Johnson Matthey Employee, please visit the internal careers site to apply: Find Jobs - Workday (myworkday.com (https://wd3.myworkday.com/matthey/d/pex/home.htmld) )

  Are you as curious about the world as we are? Do you want to make a real difference to people's lives? A career at JM will provide the stimulation you need, giving you the opportunity to work with like-minded people on an exciting mix of projects.

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