Paloma Machain

[email protected] +34 603 650 807 Barcelona, Spain
LinkedIn: LinkedIn

PROFESSIONAL SUMMARY

Senior Fabrication Engineer (Product Owner) with deep expertise in quantum device design, simulation, and nanofabrication across topological and superconducting qubit platforms, with fabrication ownership experience at Nokia Bell Labs and Qilimanjaro Quantum Tech. Specialized in spin topology coupled with superconductivity to uncover novel quantum phenomena, including topological hybrid excitations for robust quantum logic operations. Led design, simulation, and fabrication of AlGaAs/GaAs/AlGaAs devices to study fractional quantum Hall states and non-Abelian statistics, establishing experimental pathways toward topological qubits. Currently leading superconducting fluxonium qubit prototyping and managing fabrication roadmaps and advanced packaging strategies for scalable quantum hardware. Adept at workflow optimization, process and test data analysis, and lab expansion. Strong communicator and collaborator passionate about advancing quantum hardware at scale.

WORK EXPERIENCE

Senior Fabrication Engineer
06/2025 - Present
Qilimanjaro Quantum Tech , Barcelona, Spain
Lead fluxonium high-coherence superconducting qubit prototyping in planar and flip-chip architectures
Own and define fabrication roadmap for scalable, vertically integrated multi-qubit systems in flip-chip architecture for efficient packaging
Partner with advanced packaging and external fabrication providers for scalable multi-layer architectures
Mentor junior researchers on fabrication protocols, device characterization, and workflow optimization
Collaborate with hardware, design, and test teams to align fabrication processes with performance goals
Analyze process and test data to drive continuous improvement and yield optimization
Quantum Computing Researcher
04/2023 - 01/2025
Nokia Bell Labs , Cambridge, UK & Murray Hill, USA
Device Fabrication & Design.
Spearheaded the development of new nanofabrication protocols, achieving 100% yield in the fabrication of critical components essential for scalable multi-qubit systems.
Designed and optimized advanced device geometries for qubit initialization and NOT operations, based on Fabry-Perot interferometers.
Device fabrication on record-quality AlGaAs/GaAs/AlGaAs material to study fractional quantum Hall states, enabling investigations into non-Abelian statistics.
Adapted fabrication methods for improved wire-bonding for scalability and compatibility with advanced measurement systems.
Laboratory Expansion:
Managed the installation of key laboratory equipment and conducted acceptance testing to ensure technical standards.
Led and executed 3M USD in procurement efforts for nanofabrication resources, optimizing operational efficiency.
Theoretical Modeling:
Led the simulation of the electrostatic responses in devices using a self-consistent Schrödinger-Poisson framework, advancing design insights
Collaboration & Networking:
Partnered with internal and external stakeholders to plan cleanroom layouts for a future building, contributing technical specifications across 20+ meetings.
Represented the organization at industry events fostering collaboration opportunities.
Communication & Outreach:
Delivered a Quantum Computing talk to high school students, inspiring the next generation of technologists.
Actively participated in the company’s marketing campaign for Women’s History Month in March, showcasing the accomplishments and inspirations of women researchers at Nokia.
Diversity & Inclusion:
Developed and implemented a scholarship distribution model to foster inclusivity, gaining executive support for its implementation across the different Nokia Bell Labs sites.
Teaching Assistant – Physics
05/2017 - 08/2020
Nanyang Technological University , Singapore
Assisted undergraduate and graduate courses, labs, and grading
Research Assistant – Surface Science
01/2015 - 07/2017
Balseiro Institute , Argentina
Specialized in fabricating 2D metal-organic networks on surface and the study of Non-alloy/alloy transitions in the Sn/Cu(001) system using scanning tunneling microscopy (STM), low energy electron diffraction (LEED) experimental characterization techniques and by Density Functional Theory (DFT) calculations.

EDUCATION

Ph.D. in Physics
07/2022
Nanyang Technological University , Singapore
M.Sc. in Physics
12/2015
Balseiro Institute , Argentina
B.Sc. in Physics
12/2014
Balseiro Institute , Argentina
Physics Exchange Program
01/2010
University of Granada , Spain

SKILLS

Technical Skills: Quantum Devices & Nanofabrication: Device design, simulation, and fabrication of AlGaAs/GaAs/AlGaAs devices for topological qubits; fabrication of fluxonium superconducting qubits in planar and flip-chip architectures; lithography (E-beam, photolithography); deposition (ALD, PVD, e-beam evaporation, RF sputtering); etch (RIE, wet etch); metrology (AFM, STM, LEED, TEM, SEM, 2D material transfer) Simulation & Modeling: DFT, Schrödinger-Poisson modeling Laboratory & Project Ownership: Lab setup, equipment validation, procurement, protocol development, yield optimization Collaboration & Communication: Scientific presentations, publications, teaching, mentorship Languages: Spanish – Native | English – Fluent | Portuguese – Basic

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