We are a European deep-tech leader in quantum and AI, backed by major global strategic investors and strong EU support. Our groundbreaking technology is already transforming how AI is deployed worldwide — compressing large language models by up to 95% without losing accuracy and cutting inference costs by 50–80%.
Joining us means working on cutting-edge solutions that make AI faster, greener, and more accessible — and being part of a company often described as a “quantum-AI unicorn in the making.”

We offer

Competitive annual salary

Two unique bonuses: signing bonus at incorporation and retention bonus at contract completion.

Relocation package (if applicable).

Fixed-term contract ending in June 2026.

Hybrid role and flexible working hours.

Be part of a fast-scaling Series B company at the forefront of deep tech.

Equal pay guaranteed.

International exposure in a multicultural, cutting-edge environment.

As an office manager you will:

Handle all guest and visitor interactions with the highest level of hospitality and professionalism.

Answer and transfer the incoming phone calls. Keep track of telephone messages and make sure that the recipients get them.

Ensure the maintenance, cleanliness, and organisation back of house working spaces and storage closets.

Manage the stock of stationery and food and process the required orders.

Liaise with facility management vendors when required such as building reception, cleaning services, and other facility vendors.

Assist the admin and finance team when needed.

Manage incoming deliveries and handle the packages.

Travel management.

Events and meetings organizations.

Required Qualifications

2 years of experience in a similar position.

Technical Degree in business administration, finance, accounting, or a related field.

Proven experience in telephone communications.

Personable and easy to talk to. Ability to work with an international, multicultural team of people.

Strong computer skills and working with different setups, such as mobile or desktop.

Excellent analytical skills and attention to detail. Initiative can do attitude and organisational skills.

Fluent in English

About Multiverse Computing

Founded in 2019, we are a well-funded, fast-growing deep-tech company with a team of 180+ employees worldwide. Recognized by CB Insights (2023 & 2025) as one of the Top 100 most promising AI companies globally, we are also the largest quantum software company in the EU.
Our flagship products address critical industry needs:

CompactifAI → a groundbreaking compression tool for foundational AI models, reducing their size by up to 95% while maintaining accuracy, enabling portability across devices from cloud to mobile and beyond.

Singularity → a quantum and quantum-inspired optimization platform used by blue-chip companies in finance, energy, and manufacturing to solve complex challenges with immediate performance gains.

You’ll be working alongside world-leading experts in quantum computing and AI, developing solutions that deliver real-world impact for global clients. We are committed to an inclusive, ethics-driven culture that values sustainability, diversity, and collaboration — a place where passionate people can grow and thrive. Come and join us!

As an equal opportunity employer, Multiverse Computing is committed to building an inclusive workplace. The company welcomes people from all different backgrounds, including age, citizenship, ethnic and racial origins, gender identities, individuals with disabilities, marital status, religions and ideologies, and sexual orientations to apply.

Department: Technical
Role: Machine Learning Engineer
Locations: Zaragoza
Employment type: Contract
Workplace type: Hybrid
Seniority level: Associate

About MULTIVERSE COMPUTING

Come and join our multicultural team!

5 locations
+27 languages

Founded in 2019

Coworkers +150

Technical · Zaragoza

Receptionist and Office Manager (Fixed-term contract)

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