Job Title: Die-Sink EDM Machinist
Location: Malvern
Pay Range: £32,000 - £35,000
Shift: Days
Contract Type: Permanent
My client, a dynamic organisation involved in precision tooling and injection mould manufacturing, is looking for a skilled Die-Sink EDM Machinist to join their team. The successful candidate will be responsible for programming, operating, and optimising die-sink (sinker) EDM machines to produce high-precision tooling, electrodes, and critical components. You will be expected to manufacture components to exacting standards, ensuring accuracy, quality, and efficient production.
Key Responsibilities – Die-Sink EDM
Program and operate die-sink EDM machines (Mitsubishi) using engineering drawings and CAM outputs.
Produce, dress, and maintain electrodes; select correct electrode materials and process parameters.
Set up workpieces, align electrodes, set spark gaps, select pulse settings, and monitor dielectric conditions.
Bench-fit tooling assemblies using grinding and polishing techniques.
Carry out first-off inspection, produce process documentation, and maintain machine logs.
Perform preventative maintenance and basic fault-finding on EDM machines and associated equipment.
Collaborate with toolroom engineers on electrode design and erosion strategies.
Qualifications & Requirements – Die-Sink EDM
Ability to read and interpret technical/engineering drawings, including GD&T.
Competent in defining problems, collecting data, and forming valid conclusions.
Strong attention to detail and problem-solving ability.
Experience with Kaizen/lean manufacturing techniques.
Adaptable, resilient, and able to work in changing environments.
Good communication skills and general computer literacy (Word, Excel, Outlook).
Understanding of customer expectations, quality standards, and the cost of failure.
Proven experience operating sinker EDM machines (typically 3–5 years).
Knowledge of SolidWorks and basic CAM programming for EDM (or ability to edit programs).
Skilled in hand finishing and electrode dressing (grinding, hand tools).
Exposure to Wire EDM (Esprit), CNC milling/grinding, or CMM metrology is advantageous.
Experience / Education
Previous experience within injection mould manufacturing required.
3 years relevant experience and/or training, or an equivalent combination of education and experience.
What We Can Offer – Die-Sink EDM
Competitive salary based on experience.
Full-time, permanent position within a specialist manufacturing environment.
Opportunities for skills development and progression.
Supportive, collaborative toolroom environment.
For more information on this role, please contact Harvey Clough on (phone number removed) or send a copy of your CV to
Omega Resource Group is an employment agency specialising in opportunities at all levels within the Engineering, Aerospace, Automotive, Electronics, Defence, Scientific, Oil & Gas, Construction and Manufacturing sectors.
This role would suit candidates with experience as an EDM Machinist, Toolroom Machinist, Injection Mould Toolmaker, EDM Operator, or similar positions within precision engineering.
For details of other opportunities available within your chosen field please visit our website (url removed)
Omega is an employment agency specialising in opportunities at all levels within the Engineering, Manufacturing, Aerospace, Automotive, Electronics, Defence, Scientific, Energy & Renewables and Tech sectors