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Senior Electronics Engineer  

Science and Technology Facilities Council (STFC)
Harwell, Didcot
£53,818 per annum
Closing date
14 Jul 2024

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Electronics, Scientific
Job Type

Job Details

Senior Electronics Engineer  

Salary: £53,818 per annum

Hours: Full time 

Contract Type: Open Ended.

Location: Science and Technology Facilities Council, Rutherford Appleton Laboratory Harwell, Oxfordshire 


Chopper Timing Controls Engineer - ISIS Controls Group

The Science and Technology Facilities Council (STFC) is one of Europe’s largest research organisations.

STFC’s mission is to deliver world-leading national and international research and innovation capabilities and, through those, discover the secrets of the Universe.

The ISIS Neutron and Muon Source is a world-leading centre for research in the physical and life sciences and we have a position to work as an Electronic Design Engineer within the ISIS Controls Group, which is part of the ISIS Electrical Systems Division. The Controls Group provides both large-scale distributed and stand-alone control systems throughout the ISIS Target, Accelerator, and Neutron/Muon beamlines.

Your main responsibility will be the ongoing maintenance and upgrade of the ISIS beamline chopper control and timing systems and the technology refresh program for future upgrades.

The beamline chopper systems physically select the energy of the neutrons that are arriving at the Detector Systems, based on their velocity. They typically consist of a motor-set that drives large spinning slotted disks at a high RPM. The control electronics use FPGAs with clock speeds up to 1 MHz.

About the role

  • Support the current hardware and FPGA firmware (Xilinx Virtex-4)
  • Work on the technology refresh program for the chopper control hardware
  • Upgrade the design of ISIS Master Pulse Distribution Units
  • Upgrade the Chopper Controller PCB and FPGA design
  • Project Management and QA under ISO9000
  • Manage Safety, Health and Environment including COSHH

Selection Criteria:

  • Degree in electronics, physics, computer science or similar discipline.
  • An excellent understanding of digital electronics and systems design.
  • Adept at front-end electronics design and signal conditioning techniques.
  • Proficient at electronic circuit design, including schematic capture entry and PCB layout using CAD software.
  • Strong FPGA design experience with a good familiarity of AMD (Xilinx) and/or Intel FPGA design tools.
  • Excellent knowledge of FPGA design verification and test bench simulation.
  • Adept at working with version control systems.
  • Good knowledge of scripting languages like Python, Tcl/Tk.

Employee Benefits:

We are offering two permanent position with a whole host of benefits including:

  • 30 days holiday (in addition to 10.5 bank holidays and privilege days).
  • Flexible working hours.
  • An excellent defined average salary pension scheme.
  • Employee shopping/travel discounts.
  • Excellent learning and development opportunities.

How to Apply:

For full details on the role, please visit our careers site. Please submit an application including your CV and a Cover Letter that clearly showcases how your skills and experience align to the requirements of the role. 

Closing Date: 17th July 2024


The Science and Technology Facilities Council (STFC) is one of Europe’s largest research organisations. We’re trusted to support, enable and undertake pioneering projects in an amazing diversity of fields. Through world-class facilities and people, we’re driving ground-breaking advances in science and engineering. STFC is one of nine organisations that have been brought together to create UK Research and Innovation (UKRI); a new organisation with a vision to ensure the UK maintains its world-leading position in research and innovation.

At STFC, our engineers provide the technology that allows our world-leading science to make a real difference in areas that really matter: from cancer treatment to airport security, high-tech jobs to hydrogen powered cars, energy generation to accident scene emergency care, our impact is felt in many aspects of daily life. We provide and exploit space and astronomy technology, a world-leading neutron scattering facility, ultra-fast supercomputers, amazing scientific instruments and some of the most powerful lasers in the world. We work with industry and academia throughout the UK, Europe and the world.

STFC can offer you an excellent working environment. Our laboratories are based in beautiful rural locations in Cheshire, Oxfordshire and in Edinburgh, with great amenities and quality of life for you and your family. We are at the centre of burgeoning high-tech campuses buzzing with economic investment and even more promise for the future. Our people enjoy attractive benefits and plenty of opportunity for development. Whether you are beginning or furthering your career, we can offer you excellent opportunities to test out and broaden your skills and experience and to gain real technical and managerial expertise working in dynamic team and project environments.

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