Quantum RF Engineer Job at C12 Quantum Electronics (Paris)

Junior Quantum Measurement Engineer

Founded in 2020 and based in the heart of Paris, C12’s mission is to be at the c...

Location

France , Paris

Salary:

Not provided

C12 Quantum Electronics

Expiration Date

Until further notice

Requirements

At least a Master’s degree or comparable experience in electrical engineering, experimental physics, or a closely related discipline
Direct, practical experience with DC and RF/MW hardware, emphasizing real-world implementation over purely theoretical or simulated approaches
Experience with low-noise and high-bandwidth electronics
Skilled in python for instrument control, experiment automation and data acquisition
Quick to learn new concepts in quantum measurement and physics
Collaborative team player who bridges engineering and science effectively
Strong communication skills in English (oral and written)

Job Responsibility

Design, integrate, and optimize cryogenic quantum measurement systems, combining microwave electronics, biasing, and wiring solutions to ensure precise, calibrated, and low-noise signal performance across DC to high-frequency domains
Develop and innovate in experimental control, data acquisition, and system automation to maximize measurement fidelity, reproducibility and overall technical excellence
Perform DC and RF measurements at cryogenic temperatures on carbon nanotube quantum devices integrated into high-impedance cQED platforms, under supervision
Develop scalable data acquisition and analysis pipelines, establishing rigorous documentation standards for high-quality experimental outcomes

What we offer

Stock options for every employee (BSPCE/ESOP)
Two incredible office spaces in the heart of Paris (both next to the famous Panthéon!)
Sponsored trip to conferences around the world
A highly dynamic international team
Swile meal vouchers
Vibrant office culture (team lunches, offsite events, Friday breakfasts..)
Mental health support with moka.care
Training budgets/ Annual Learning & Development Allowance
Sabbatical leave (after 2 years in the company)

Fulltime

RF Engineer for Quantum Hardware

C12 develops reliable & application-specific quantum computers, to solve highly ...

Location

France , Paris

Salary:

Not provided

C12 Quantum Electronics

Expiration Date

Until further notice

Requirements

Minimum 5+ years experience as an RF engineer
Experience developing electromagnetic simulations using industry standard tools such as HFSS, Maxwell, Comsol, or Cadence
Experience with designing and integrating microwave components and subsystems
Experience with high-frequency (RF, microwave or mm-wave), IC or PCB design
Experience with design/development in Python
Good communication in English (verbal and written)

Job Responsibility

Contributing to the design & optimization of passive on-chip distributed RF circuits for qubit control and performing & analyzing microwave simulations
Developing, with research scientists and other hardware engineers, microwave simulations for the on-chip RF circuits and its 3D packaging
Identifying cross-talks and loss mechanisms in RF circuits
Investigating discrepancies between simulated and achieved performance of fabricated devices
Develop a scalable architecture for routing the microwave signal (very low power) towards and between >100 qubits
Contributing to the continuous improvement of our simulation tools and their integration with Python-based custom layout/design tools

Fulltime

Head of Engineering

Toshiba Europe Limited has pioneered the development of quantum communication sy...

Location

United Kingdom , Cambridge

Salary:

Not provided

Toshiba EMEA

Expiration Date

February 16, 2026

Requirements

Degree level qualification in Electronic Engineering or equivalent subject
Deep knowledge of RF and mixed signal electronic circuit design
Demonstrated success in managing the development of novel products from concept through to market release
Experience of applying standard methodologies for product development
Experience of leading a multidisciplinary team, demonstrating excellent communication skills and time management to successfully drive projects
Proven experience of multi-tasking to support a variety of business needs
Demonstrable skills in successfully managing workloads to meet tight deadlines

Job Responsibility

Elaborating the product roadmap in collaboration the business development teams and senior management
Directing the technical activities of the electronic engineering team
Detailed planning and budgeting of all stages of the product development process
Managing the timely delivery of projects according to specifications and budgets
Leading and mentoring a team of electronic engineers on a day-to-day basis
Maintaining and improving the quality of product development activities

Fulltime

Research Scientist in Satellite Quantum Communications

Toshiba Europe Ltd has been at the forefront of quantum technology research, par...

Location

United Kingdom , Cambridge

Salary:

Not provided

Toshiba EMEA

Expiration Date

February 27, 2026

Requirements

PhD in Physics, Electronic Engineering, Aerospace Engineering, or a closely related field
Several years of hands‑on experience in optical, quantum, or free‑space communication systems
Proven ability to build and characterise complex optical/electronic experimental setups
Experience with system design, integration, troubleshooting, and data analysis
Excellent written and verbal communication skills
Self‑starter attitude, with enthusiasm for learning new skills and working in a multidisciplinary team

Job Responsibility

Devise new architectures, protocols, and prototype systems for satellite, drone, and ground‑based QKD
Build and characterise free‑space optical systems including telescopes, beam expanders, modulated laser sources, detectors, tracking sensors, and timing subsystems
Design and implement software for system control, automation, synchronisation, simulation, and data analysis
Interface with high‑speed RF electronics, FPGA systems, and digital processing pipelines
Define overall architectures for drone–ground–satellite QKD links, ensuring coherent optical, mechanical, electronic, and software integration
Translate high‑level mission goals into engineering requirements, performance budgets, and subsystem specifications
Develop and maintain interface control documentation for optical, electrical, mechanical, and software subsystems
Plan and execute end‑to‑end test campaigns, from benchtop optical characterisation to outdoor field trials
Conduct environmental and reliability assessments: thermal design/analysis, vibration isolation approaches, redundancy strategies, and failure‑mode assessment
Perform calibration and metrology: optical alignment, polarisation extinction ratio checks, timing calibration, detector characterisation

What we offer

Generous Benefits Package

Senior quantum computing scientist

C12 develops reliable & application-specific quantum computers, to solve highly ...

Location

France , Paris

Salary:

Not provided

C12 Quantum Electronics

Expiration Date

Until further notice

Requirements

PhD in Electrical engineering, Physics, Applied Physics, or other related field (or demonstrated industry experience)
Minimum 2+ years of postdoc or R&D work involving microwave electronics and measurements of superconducting or spin qubits
Basic understanding of good software development practices, Python language, and version control systems
Ability to distil and communicate scientific information effectively with the wider team
Good communication in English (verbal and written)

Job Responsibility

Set up the architecture of a five-qubit chip with all-to-all connectivity between spin qubits
Collaborate closely with other teams
Designing the procedures for state preparation, 1 and 2-qubit gates and multi-qubit readout
Conducting characterization and benchmarking experiments
Supervising several tasks
Design of the experiments to improve gate fidelities and test all-to-all connectivity schemes
Design and test of microwave circuit layout
Specification, maintenance, and installation of RF control bench at room temperature and at cryogenic temperature
Automation of qubit calibration and multi-qubit control
Sharing expertise and findings with other team members

Fulltime

Rf Solution Architect

BayOne Solutions, Inc. is seeking a qualified professional to fill the position ...

Location

United States , Philadelphia

Salary:

124989.00 - 139989.00 USD / Year

BayOne Solutions

Expiration Date

Until further notice

Requirements

Bachelor’s degree or foreign equivalent degree in Electrical and Electronics Engineering, Computer Science or a related field
Five (5) years of experience in a related occupation
Experience in designing complex in-building and outdoor Distributed Antenna System (DAS) solutions using design tools iBwave (for in-building) and ATOLL (for outdoor)
Experience with UMTS and LTE/5G technology
Experience with RF parameters, site design, and network optimization
Experience with tools such as Ericsson OSS, BO (Business Objects), Nettrack/Quantum, Actix
Ability to travel 25-50% nationally

Job Responsibility

Plan and conduct project kickoff meetings, define project scope, facilitate technical/operational requirements identification, develop detailed project plans, project budget or anticipated savings, and establish a framework for managing ongoing project activities
Develop and execute team working strategies within engineering and cross-functional teams
Design complex in-building and outdoor Distributed Antenna System (DAS) solutions
Develop Trackers to monitor various project progress parameters, deadlines, and work responsibilities
Develop procedures, establish effective communication plans, and assign goals & milestones
Prepare and analyze the Link budget for each site
Create RF data sheets after finalizing the site design
Verify and approve designs done by vendor engineers
Work closely with the construction engineering team for site evaluation
Do traffic capacity analysis for both voice and data and calculate the total equipment and other resources required

Fulltime

New

Support Worker

This specialist supported living service has been purpose-built for young adults...

Location

United Kingdom , Church Stretton, Shrewsbury

Salary:

12.39 GBP / Hour

Brook-St Hiredonline

Expiration Date

Until further notice

Requirements

Full UK manual driving licence held for at least 1 year
Access to your own vehicle (rural location)
Passionate about supporting people to live happy, fulfilled lives
Patient, caring, and a good listener
Confident communicator with individuals and families
Able to promote independence and daily living skills
Good IT skills and ability to use digital systems
Able to work independently and use initiative

Job Responsibility

Support individuals with daily living and independence skills
Promote inclusion and engagement in the wider community
Provide personal care where required
Build positive, trusting relationships with individuals and their families
Encourage participation in social and community activities
Work collaboratively within a supportive team environment

What we offer

Competitive hourly pay
High-quality training provided
Comprehensive induction with shadow shifts
28 days holiday in year one, increasing with service
Free and confidential counselling services
Health Cash Plan covering dental, optical, physio & more
Long service awards
Contributory pension scheme
Clear career development and progression opportunities
Regular supervision and team meetings

New

Marketing designer

Fundraise Up is a modern fundraising platform built to make donating to nonprofi...

Location

Serbia

Salary:

375000.00 - 445000.00 RSD / Month

Fundraise Up

Expiration Date

Until further notice

Requirements

5+ years of experience in communication or brand design
Strong understanding of how design solves business problems and communicates brand values
AI as a working tool: hands-on experience using neural networks to speed up workflows, generate assets, and optimize routine tasks (practical skills over theory)
Strong illustration skills: ability to draw by hand and advanced proficiency in Figma (working with complex gradients, shadows, and lighting)
Web & Marketing: experience designing websites, solid understanding of landing pages and marketing funnels
Multiformat experience: creating presentations, designing for offline events (booths, print materials), and basic motion design (building simple animations, tweaking easings)
Conversational English (B2)

Job Responsibility

Develop and evolve the brand’s visual ecosystem (website, blog, social media), owning storytelling and translating complex ideas into clear, accessible metaphors
Create graphic content and illustrations, actively leveraging AI tools to accelerate production workflows
Produce materials for conferences and events — from merchandise and booth design to motion videos
Collaborate closely with the team to ensure visual consistency across all channels

What we offer

31 days off
100% paid telemedicine plan
Home Office Setup Assistance: the company offers assistance with purchasing furniture (office chair, office desk, monitor) and other items to create a comfortable workspace
English learning courses
Relevant professional education
Gym or swimming pool
Co-working
Remote working
Stock options

Fulltime

Quantum RF Engineer

C12 Quantum Electronics

Location:
France , Paris

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
December 06, 2025

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Quantum RF Engineer

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Location:France , Paris

Category:IT - Software Development

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:December 06, 2025

Looking for more opportunities? Search for other job offers that match your skills and interests.

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Job Posted:
December 06, 2025