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CNC Operator


Ellesmere Port, CHW, GB, CH65 4LR

Work Arrangement:  Onsite


Cook Compression, with over 100 years of history in the Energy Resources industry, have pioneered technology developments and are renowned for the quality and reliability of their product range which includes reciprocating compressor valves, packing cases, pistons, rings, and wipers, supplying to both OEM's and the aftermarket. With established manufacturing sites globally, we are now seeking to recruit additional permanent staff due to expansion at our facility in Ellesmere Port, Cheshire.


The CNC Operator, works within a fully integrated CAD/CAM manufacturing facility, operating multi-axis CNC machining-centers / lathes, predominantly for turning operations.



  • HNC / NVQ level 3 in Mechanical Engineering, or time-served apprenticeship in a machining discipline, or a minimum of 10 years relevant experience.
  • A minimum of 5 years’ experience operating CNC machine tools – predominantly lathes within a lean-manufacturing work environment
  • Proven ability to hold tight machining tolerances of less than .0025mm
  • Experience working with machine control systems such as Fanuc, Mazak, Heidenhaim or Haas, with a proficiency in standalone programming and editing. Setting knowledge and correction offsets to ensure repeatable dimensional accuracy and surface finish
  • Experience with precision inspection equipment including, but not limited to, micrometres, callipers, height gauges and bore gauges
  • Ideally with experience in the power, oil & gas, aerospace or similar environment
  • Ability to work rotating shifts early and back shifts, Monday to Friday



  • Read process sheets, blueprints and sketches of part to determine machining to be done, dimensional specifications, set up and operating requirements
  • Identify, select and install proper tooling for operations being performed.
  • Calculate proper feeds and speeds for a variety of steel grades, copper, brass, aluminium and bronze
  • Read, understand, edit or write complete programs.
  • Intuitively understand capabilities of tooling and machinery
  • Understand applicable quality systems and perform necessary quality inspections
  • Apply principles of Lean Manufacturing to reduce setup times and improve productivity
  • Perform boxing of parts to include cleaning, oiling, wrapping and boxing the final product for shipment
  • Perform cleaning, fitting, filing, tapping, reaming, blending, polishing and aligning to ensure free action of movable parts and operating requirements
  • Use precision measuring instruments and gauging devices and performs various quality inspection type procedures to include dimensional verification




Annual earnings of £41,356 (£21.49 per hour) based on working 37 hours per week, on the following repeating shift pattern:

  • Week 1(Early Shift) Mon. to Thurs. 05.45 to 13.30, Fri. 05.45 to 14.30
  • Week 2 (Late Shift) Mon. to Thurs. 13.15 to 23.00 Fri. is non-working day

Additional Benefits

  • Annual leave based upon length of service, starting at 25 days rising to maximum of 28 days, plus 8 Bank holidays
  • Company sick pay
  • Enhanced paternity pay
  • Enhanced maternity pay
  • MIP  Bonus - Shopfloor employees are eligible to participate in the Manufacturing Incentive Bonus Scheme which is paid quarterly and dependent on the achievement site metrics and goals
  • Reward and recognition scheme
  • Stakeholder pension scheme – Company contribution is currently 5%
  • Employee Assistance Programme
  • Life Insurance  - paid at 4 x basic pay.
  • Free uniform and PPE
  • Free health checks and Eyecare Voucher scheme
  • Cycle to work scheme
  • On site Parking
  • Free parking
  • Free refreshments



Cook are part of Dover Precision Components, who are in turn owned by Dover Corporation, a diversified global manufacturer with annual revenue of over $8.5 billion. Delivering innovative equipment and components, specialty systems, consumable supplies, software and digital solutions, and support services, our team of 25,000 employees are dedicated to redefining what is possible to better serve our customers. Dover Corporation is headquartered in Downers Grove, Illinois.

Job Segment: CNC, Facilities, Mechanical Engineer, Machinist, Inspector, Manufacturing, Operations, Engineering, Quality

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