{"id":1962762,"url":"https://alion.io/job/quantum-motion-senior-digital-ic-design-engineer","title":"Senior Digital IC Design Engineer","company":{"id":7422,"name":"Quantum Motion","domain":"quantummotion.tech","url":"https://alion.io/company/quantum-motion-technologies","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Personio","truth_index":{"grade":"C","score":67,"open_postings":18,"ghost_share":0.556,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-12T06:55:09Z"}},"role":"Hardware","role_family":"Hardware","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":75000,"max_usd":129000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":34},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Cadence Virtuoso","optional":false},{"name":"Cadence Xcelium","optional":false},{"name":"Synopsys Design Compiler","optional":false},{"name":"SystemVerilog","optional":false},{"name":"Verilog","optional":false},{"name":"Python","optional":true},{"name":"Synopsys PrimePower","optional":true}],"status":"live","first_seen_at":"2026-10-06T15:36:14Z","employer_posted_date":"2026-10-06","last_verified_at":"2026-10-11T18:09:30Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":5},"description":"About The Role and Team\nQuantum Motion is a fast-growing quantum computing scale-up based in London founded by internationally renowned researchers from UCL and Oxford University with over 40 years’ experience in developing qubits and quantum computing architectures. Bringing together state-of-the-art cryogenic facilities and an outstanding interdisciplinary team, 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.Our Team\nSince 2021 our team has been listed every year in the “Top 100 Startups worth watching”in the EE Times in 2021 and 2022, and our technology breakthroughs have been featured inThe Telegraph,BBC and theNew Statesman. Our founders are internationally renowned researchers from UCL and Oxford University who have pioneered the development of qubits and quantum computing architectures. Our chairman is the co-founder of Cadence and Synopsys, the two leading companies in the area of Electronic Design Automation. We’re backed by a team of top-tier investors, and we have recently closed our Series C funding of $160 million. 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.\nThis is a rare and exciting opportunity to be an employee at a scale-up shaping the future of quantum computing. There are vast opportunities for professional growth and to make an impact within the company.\nOur team of 100+ is based across London, Oxford, San Sebastián and Sydney, with our primary hub in Islington (London).\nFunctions of the Role\nThis senior position operates at the critical intersection of sub-Kelvin sub-system electronics and quantum processor architectures, directly addressing the interconnect bottleneck in scalable quantum computing systems. The role spans the full digital IC design cycle-including initial microarchitecture specification, RTL development, Verilog-AMS co-simulation, physical implementation (PnR/CTS), low-power synthesis, static timing analysis (STA), and full tape-out signoff. The ultimate objective is the realization of ultra-low-power, high-density cryogenic control ICs tailored for fault-tolerant quantum computing scale-out.\nPosition Title:Senior Digital Designer (Front-End & Back-End)\n\nDomain Focus:Ultra-Low-Power Cryogenic CMOS (Cryo-CMOS) Digital Control Sub-circuits\n\nDesign Scope:Full Lifecycle (RTL Development, AMS Co-Simulation, Physical Implementation, Low-Power Synthesis, and Tape-Out Signoff)\n\nCore Chip Architecture Target:Cryogenic digital logic blocks operating at sub-Kelvin regimes (\n\nExperience - Essentials\nEducation:Master's degree or Ph.D. in Electrical Engineering, Microelectronics, Computer Engineering, or related technical discipline.\n\nChip Design Experience:5+ years of hands-on digital and mixed-signal IC design, demonstrating successful completion of at least 2 tape-outs on advanced semiconductor nodes\n\nHardware Coding:Proficiency in Verilog and SystemVerilog for synthesizable RTL development and Verilog-AMS/SystemVerilog-Real-Math for mixed-signal co-simulation and testbench environments.\n\nDesign Tools:Proven proficiency with industry-standard EDA toolchains (e.g., Cadence Virtuoso/Innovus/Xcelium, Synopsys Design Compiler) for mixed-signal simulation, synthesis, and verification.\n\nPhysical Layout:Demonstrated capability in transforming RTL into GDSII/OASIS physical layouts, floorplanning, power grid synthesis, clock tree synthesis (CTS), multi-corner multi-mode static timing analysis (MCMM STA), and physical signoff (DRC/LVS/ERC).\n\nCommunication & Logic Design:Experience architecting high-speed serial interconnect protocols (e.g., custom SPI, AXI, SerDes) and complex finite-state machine (FSM) control logic.\n\nLow Power & Thermal Management:Deep expertise in low-power dissipation techniques (clock gating, power gating, dynamic voltage scaling) within stringent thermal lift budgets of cryogenic cooling systems.\n\nExperience - Desirable\nCryogenic CMOS Experience: Hands-on experience designing, modeling, or characterizing CMOS circuits at sub-4.2 K temperatures and understanding cryo-specific transistor behavior.\n Mixed-Signal & AMS Interfaces: Direct integration of digital logic with precision analog/RF front-ends (ADCs, DACs, LNAs, AWGs) for qubit control and readout.\nQuantum Architecture Awareness: Familiarity with quantum control interfaces, pulse generation, error correction, or cryogenic spin qubit electronics\n Low-Power Verification & UPF/CPF: Proficiency in power-aware simulation using IEEE 1801 UPF/CPF, formal LEC, and power signoff tools (Voltus, PrimePower).\nAdvanced Process Nodes: Experience with sub-28nm nodes, with a strong preference for FD-SOI or FinFET technologies.\n EDA Scripting & Automation: Strong scripting skills (TCL, Python) to automate synthesis, physical design, and verification flows.\n DFT & Silicon Bring-Up: Practical knowledge of DFT insertion (Scan, MBIST) and post-silicon laboratory bring-up, testing, and debug.\nBenefits\nBe part of a creative, world-leading team\nCompetitive salary and share options scheme\nContributory pension scheme\nGroup private medical insurance scheme\nChoose your own laptop/kit\nLife Assurance\nCycle-to-work Scheme\nFlexible working\nCentral London location\nEEO Statement\nQuantum 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\nHRS-84","description_format":"text","description_chars":6126,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"master","optional":false},"security_clearance":false,"languages":[]},"benefits":["Flexible schedule","Health insurance","Stock options"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Quantum Computing Hardware"],"lifecycle":[{"event":"open","at":"2026-10-06T16:16:23Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":5,"expected_fill_days":32,"reasons":["conf:12","stale_co","velocity","win:early"],"computed_at":"2026-10-12T06:55:09Z"},"pay":null,"html_url":"https://alion.io/job/quantum-motion-senior-digital-ic-design-engineer","json_url":"https://alion.io/job/quantum-motion-senior-digital-ic-design-engineer.json","meta":{"generated_at":"2026-10-12T13:14:26Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":20702,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":7422},"rest":"https://alion.io/mcp/rest/get_company?id=7422"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fquantum-motion-senior-digital-ic-design-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fquantum-motion-senior-digital-ic-design-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fquantum-motion-senior-digital-ic-design-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/quantum-motion-senior-digital-ic-design-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fquantum-motion-senior-digital-ic-design-engineer"}]}