# Principal/Staff RF IC Design Engineer at Quantummotion > United Kingdom · Principal · Software engineering · open. Source: https://alderhq.app/jobs/personio%3Aquantummotion%3A2139000 (read 2026-11-08). ## Facts (observed) - Company: [Quantummotion](https://alderhq.app/companies/quantummotion) - Location text: London, UK - Where it can be done from (inferred): United Kingdom (evidence: "Location: London, UK") - Posted: 2025-06-03 (523 days ago) - First seen by alder: 2026-11-04 · last verified: 2026-11-04 - Reposted: 0 times · edited: 0 times - Apply on the employer's site: https://quantummotion.jobs.personio.de/job/2139000 - Skills listed (inferred): Python ## Pay and sponsorship - Posted pay: not posted - Market band for similar posted roles (London, n 5): p25 £104k, median £140k, p75 £188k ## Description (the employer's text) ### About The Role and Team Quantum Motion is a fast-growing quantum computing start-up based in London. We are developing quantum processors based on industrial-grade silicon chips, with the potential to radically transform computing power in areas such as materials modelling, medicine, artificial intelligence and more. We have recently moved into a new office in Islington with state of the art cryogenic facilities and have an outstanding interdisciplinary team spanning quantum physics to IC design. ### Our Team We bring together the brightest quantum engineers, integrated circuit (IC) engineers, quantum computing theoreticians and software engineers to create a unique, world-leading team, working together closely to maximise our combined expertise. Our collaborative and interdisciplinary culture is an ideal fit for anyone who thrives in a cutting-edge research and development environment focused on tackling big challenges and contributing to the development of scalable quantum computers based on silicon technology. Our team of 100+ is based in London, Sydney, San Sebastian & Maryland (US) with a centre of mass in our Islington, London lab. ### Functions of the Role This is a rare and exciting opportunity to be an early employee at a start-up shaping the future of quantum computing, and in particular to form a new team within the company. There are vast opportunities for professional growth and to make an impact within the company. ### Functions of the Role - Architecture-level design of low power Tx chain. - Block-level schematic design (pre and post layout) of RF Blocks such as LNA, PLL, LO, Mixer, VGA, Filters (depending on experience). - Provide guidance for the layout of designed blocks and review layout work. - Document own work for peer-review and perform design reviews of other team members work. - Support the post-silicon validation and characterization of designed RF blocks. ### Experience - Essentials - Experience in heavy research-oriented environments - Demonstrated experience of CMOS RF IC design in sub-10GHz frequencies for low power systems. - Industry degree qualification and at least 10+ years of work experience in RF IC Circuit Design - Demonstrated experience in circuit design on or below CMOS 65nm RF processes. - Demonstrated experience with the Cadence Design environment and SpectreRF. - Solid understanding of the fundamentals of RF design. Capable of providing feedback on the validity of the working principles of a circuit without the assistance of simulation software. - Understanding of RF testing and demonstrated experience in the application of DFT of RF blocks. - Knowledge of one or more industry-standard EM simulation toolset (ADS, EMX, CDT, HFSS) - Strong analytical and problem-solving skills with a high-level of self-management and self-motivation - Excellent verbal and written communication skills ### Experience - Desirable - Experience in block-level Layout - Knowledge of Verilog-A - Demonstrated experience of MOSFET device modelling frameworks (BSIM preferred) - Programming knowledge (Python, SKILL preferably) - Knowledge of CMOS fabrication technology ### Benefits - Be part of a creative, world-leading team - Competitive salary and share options scheme - Contributory pension scheme - Private Medical Insurance - Life Assurance - Cycle-to-work Scheme - Flexible working - Central London location ### EEO Statement Quantum Motion is committed to providing equal employment opportunity and does not discriminate based on age, sex, sexual orientation, gender identity, race, colour, religion, disability status, marital status, pregnancy, gender reassignment or any other protected characteristics covered by the Equality Act 2010. ### Internal Job Reference Number HRS-81 --- Data: alder (https://alderhq.app). Cite https://alderhq.app/jobs/personio%3Aquantummotion%3A2139000 and the date you read it. Observed facts come from the employer's own listing; location reach, level, family and skills are inferences.