TTP plc. Full-time 2021-11-10

Microfabrication Process Engineer

  • Location
    Cambridge, United Kingdom


At TTP we create innovative products and breakthrough technologies. Multidisciplinary teams of scientists, engineers and designers collaborate closely to solve the most complex and challenging problems to realise our clients’ visions.

TTP's microfabrication team is active in fabricating micron-scaled devices to support both internal and client funded projects. This usually involves using materials and structures in novel ways for prototyping and then scale-up manufacturing. You'll be working alongside some brilliant minds sometimes on multiple time-constrained projects within life sciences/healthcare, energy, automotive, telecoms, manufacturing, aerospace and other innovative industrial sectors.

We are seeking an enthusiastic, energetic, self-motivated and well organised engineer who is capable of engaging and collaborating with TTP consultants to convert their/client’s ideas into products. The microfabrication process engineer will help advance TTP’s microfabrication offering. The work will primarily include, designing new processes using mostly silicon, glass, polymers & plastics, identifying costs, timescales and risks, writing subsequent SOPs, communicating/presenting to clients, suppliers and foundries, writing blogs and H&S documents, looking after and procuring of equipment/consumables. The successful candidate will have excellent attention to detail and be able to deliver high quality work on a busy schedule. The role will be mainly cleanroom based (up to 80%) and include unsupervised work using hi-tech, high value semiconductor equipment. The interview process will include an on site visit with hands-on cleanroom assessment.


We seek a Microfabrication Process Engineer to be part of our growing team. The successful candidate will have a few years of hands-on industrial experience working inside MEMS/Semiconductor/University cleanrooms and using complex equipment and processes. The job entails close collaboration with TTP colleagues, clients and suppliers, requiring quick uptake of complex concepts, coming up with novel solutions and sharing these results/ideas in an optimal way. Familiarity or experience in the following areas are expected:

  • Photolithography, sputtering/evaporation, wafer-bonding, electroplating, dry/wet etching, plasma treatment, hot embossing, wire/flex bonding & wafer dicing
  • Ellipsometer, optical & contact profiler, SEM/EDX & probe-station
  • Comfortable working with dangerous chemicals (HF acid) and processes
  • Comfortable working alone and in a cleanroom for long periods
  • Creating and following SOPs and other technical documents
  • Collaborating and presenting to clients, suppliers and MEMS foundry experts
  • Equipment calibrations and organising maintenance and servicing
  • New equipment/process justification and procurement

Skills and Experience

  • At least 2 years industrial experience working in cleanrooms with glass, silicon, polymers and/or ceramics
  • Wide-ranging process knowledge/experience in photolithography, bonding, embossing, soft-lithography, wet/dry etching, metal evaporation/sputtering, PECVD, RIE/D-RIE, plasma treatment, electroplating, metrology, wire-bonding, wafer-dicing and chip testing
  • Working with and routine maintenance of complex semiconductor equipment
  • Working with HF acid, strong acids/alkalis, special gases and volatile chemicals and understanding the associated Health and Safety risks
  • Demonstration/examples of skills working in a team or collaborative environment

Qualifications and Training

  • HND/BSc/BEng in Engineering, Physics, Material Science, Chemistry, Electronics or similar fields or suitable experience


TTP is an employee-owned business operating from pleasant surroundings on our own Science Park in Melbourn, South Cambridgeshire. Our working culture encourages entrepreneurship, shared ideas and technical collaboration, while providing you the freedom to do your best work. We offer employee benefits such as your usual 25 days holiday, private medical insurance, cycle to work scheme, plus:

  • Employer pension contribution of 12% (+3% personal contribution)
  • Annual profit related bonus
  • Enhanced share purchase scheme
  • Life insurance up to 6 times salary
  • Discounts and memberships to local sports facilities and the theatre
  • A comprehensive relocation package is also available, if applicable.

To apply for this vacancy please submit your CV – which should give examples from your experience showing that you have the required skills.

How to apply

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