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Senior Power Electronics Engineer - Motor Drive

Summary

Salary
£Competitive
Team
Research Engineering
Location
Malmesbury - United Kingdom

About us

Dyson offers a unique opportunity for a talented and experienced Power Electronics Engineer in the Technical Research Team, within Dyson’s Research, Design and Development (RDD) department; based in Malmesbury, Wiltshire, U.K. 
At Dyson we are encouraged to think differently, challenge convention and be unafraid to make mistakes. We’re creative, collaborative, practical and enthusiastic, but most of all we’re hugely passionate about what we do. We are looking for individuals who wish to invent, design and develop leading products for the global market. By working in our world class Research Design and Development department, these individuals have the opportunity to work alongside other leading technical specialists and highly motivated creative people, to create products which fulfil our ambition of being truly different and better than our competitors. 
Dyson products strive to be at the leading edge of technology. Through unique strategic partnerships with global top universities and leading businesses, we gain foresight of up and coming technologies. The Technical Research Team aims to exploit this knowledge to design state-of-the-art products allowing us to differentiate from the competition and be ahead of the times.

About the role

The successful applicant for this role will be part of the team designing the next generation of power electronic systems for our products. The power electronics team in Technical Research is responsible for a number of disciplines, including: 
  • Motor inverter hardware for motor systems that can operate in excess of 100,000rpm 
  • Power supply design - DC-DC and AC-DC designs 
  • Battery management systems - design of Lithium-Ion battery management systems for a variety of products and cell pack structures, as well as development of new battery management system for emerging cell technologies 
  • Charger design 
  • Heater control systems and protection 
The Senior Power Electronics – Motor Drives role will involve: 
  • The design of motor inverters and control for brushed and brushless DC, servo and stepper motors 
  • Working with different product teams to gain an in-depth product understanding, while using knowledge of the latest technologies to create innovative power electronics systems and solutions 
  • Ensuring designs can comply with relevant EMC/EMI standards and modifying design where needed to ensure this is the case 
  • Thermal management design of power electronics systems 
  • Design of both mains and battery powered electronics to meet global compliance standards and safety requirements 
  • Use of electronic simulation tools to gain detailed understanding of circuit behavior 
  • Creating electronics schematics and PCB layouts that meet product requirements and provide functional product prototypes 
  • Strong lab skills to build and test prototypes with minimal supervision 
As a Senior Power Electronics Engineer, the successful applicant will be expected to: 
  • Develop a power system concept, prove key technologies and demonstrate the system feasibility 
  • Produce clear, well written documentation prior to handover to the development teams 
  • Demonstrate designs are safe, robust, cost effective and fit for purpose for a high volume manufacture environment, through detailed laboratory testing, simulation and analysis.

About you

Education and experience: 
  • Minimum BEng/MEng degree in Electrical & Electronic Engineering or other relevant discipline 
Minimum technical knowledge: 
Power Electronics: 
  • Experience in motor inverter design and motor control, particularly brushless DC motors, servo or stepper motors 
  • General knowledge of power electronic devices, including silicon based IGBTs and MOSFETs and wide bandgap technologies 
  • Understanding of device characteristics and issues with switching behaviour in real circuits as well as power switch driver design 
  • Device selection - Interpretation of datasheets and knowledge of design methods to confidently select the lowest cost devices while achieving reliability targets 
  • Knowledge and experience of using power hybrid modules and power SoC modules (e.g. drivers and power switches in one device 
Design Tools: 
  • Schematic capture using Altium Designer, Mentor Graphics or other main stream tools 
  • Use of SPICE based simulation tools such as Simetrix and LTspice 
  • Design calculation tools such as Mathcad, Matlab, Excel. 
Design Techniques: 
  • Circuit simulation and design tolerance analysis 
  • Good quality engineering process understanding and appreciation 
  • PCB layout – size/cost minimisation while achieving layouts for inherently good EMC compliance and thermal design. 
Essential behavioural skills: 
  • Good analytical ability and attention to detail 
  • Ability to communicate appropriate, concise and accurate information in written and verbal format 
  • Ability to adapt or generate imaginative and innovative ideas, in line with core Dyson values 
  • Ability to multi-task and plan effectively when working with a variety of project teams. 
  • Excellent team working skills. 
Additional experience that is desirable:
  • Experience with Flowtherm or similar thermal modelling packages 
  • Robust design including FMEA techniques Experience of analogue circuit design (e.g. signal amplification and conditioning for feedback signals from power electronic hardware to microcontrollers for example). 
  • Experience of programming microcontrollers, such as Cortex M devices 
  • Design for high volume manufacture

Benefits

  • 27 days holiday plus eight statutory bank holidays
  • Pension scheme
  • Performance related bonus
  • Private medical insurance
  • Life assurance
  • Sport centre
  • Free on-site parking
  • Subsidised café and restaurants
  • Discounts on Dyson machines

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Interview guidance

We are following the government guidelines regarding COVID19. At this time all interviews will be conducted via video or telephone. We’re taking these precautionary measures to protect both our employee and candidate wellbeing. Our Talent Acquisition team will work with you and provide further information as appropriate.