Qilimanjaro Quantum Tech is a quantum computing company based in Barcelona that designs, builds and operates superconducting quantum computers. The company is looking for a Junior Lab Engineer to join the lab team: a role that combines ownership of the lab's documentation, protocols and inventory with hands‑on work in the operation, maintenance and upgrade of the quantum setups. An important part of the role is documentation and inventory, and another important part is hands‑on work on the quantum setups and the lab infrastructure. The position is designed to grow with the person: the engineer will learn how a quantum computer is built, cooled down and operated while building the documentation that keeps the lab running. Documentation, protocols and inventory: Writing, standardising and maintaining protocols for lab operations, quantum setups and maintenance routines. Owning the inventory of lab equipment, tools, components and consumables, including location, quantity and status. Registering new equipment on arrival: serial numbers, manuals, calibration data and location. Tracking stock levels of consumables and flagging reorders before they run out. Documenting new installations, upgrades and modifications to the quantum setups as they happen. Keeping protocols up to date as the lab evolves, and making sure the team works from the current version. Keeping maintenance logs, service records and equipment status up to date. Contacting suppliers for quotes, order follow‑up and technical documentation. Quantum setups, maintenance and operations: Operating the cryostats of the quantum setups: cool‑downs, warm‑ups and routine monitoring. Supporting the installation, integration and commissioning of new quantum setups, laboratory equipment and infrastructure upgrades. Assembling and installing mechanical parts, shielding,



HPC racks and cabling according to specifications. Performing preventive and corrective mechanical and electrical maintenance on lab equipment and infrastructure. Wire bonding and exchange of quantum chips in the cryostats, together with the lab team. Assisting in setting up and modifying experimental setups and laboratory configurations. Workshop and electronics tasks: using hand and power tools, cable preparation, soldering and PCB preparation. Troubleshooting and resolving technical issues related to the operation of the lab. Taking part in the on‑call rotation of the lab team, which keeps the quantum computers running outside

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. Following safety protocols and ensuring compliance with laboratory regulations. Studies in industrial, mechanical or electrical engineering, or a related technical field. Ability to create clean, structured and concise documentation and resources that improve the day‑to‑day operation of the lab. Motivation to learn how a quantum computer is built and operated, and to grow with the lab. Previous experience in a laboratory, workshop or technical maintenance environment. Good understanding of mechanics and electronics. Methodical and organised, with the discipline to keep records accurate over time. Strong problem‑solving skills and the ability to manage multiple tasks efficiently. A good sense of aesthetics and order, and care for keeping the lab clean,



well organised and professional. Good communication skills and a teamwork mindset. High level of Spanish and English (C1 or higher), both spoken and written. Measurement hardware (oscilloscope, multimeter, VNA). Cryogenics or cryostat operation. Quantum technologies or quantum computing hardware. AI tools applied to documentation and engineering work. Mechanical design and CAD tools. Full‑time contract. On‑site work, Monday to Friday. Participation in the lab on‑call rotation, shared with the rest of the lab team. Please mention your availability dates and whether you require an EU work permit in your application. Diversity and Inclusion: At Qilimanjaro, inclusion and equal opportunities are part of our people‑centric value. We are committed to creating a workplace where everyone feels valued and empowered to contribute, learn, and belong. Cobee flexible compensation (transportation, meals, and childcare support) Versátil

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You will: Get the opportunity to build something amazing and unique, something that hasn't been done before Work on ground‑breaking projects and possibly solve massive challenges on a global scale Be at the intersection of research and industry, where biggest innovations happen Make an enormous impact in a dynamic scale‑up rather than being a small cog in a big machine Work with super smart, knowledgeable and yet, very friendly people in Barcelona, one of the best cities in the world (picture a lot of sun, amazing food and friendly locals) Get to be part of a start‑up where growth on a company and individual level is the default GDPR (General Data Protection Regulation): DATA CONTROLLER: QILIMANJARO QUANTUM TECH S.
L., B67429670, Carrer de Veneçuela, 74, 08019 Barcelona (

📌 Junior Lab Engineer (Barcelona)
🏢 Qilimanjaro Quantum Tech
📍 Barcelona