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).
Up to 9-month contract, ending on 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.

Role Overview

We are seeking an experienced Cybersecurity Specialist to strengthen our security posture, ensure regulatory compliance, and protect our cutting-edge quantum and AI solutions. This role involves both hands-on technical execution and strategic leadership, working closely with cross-functional teams and engaging with stakeholders.

Responsibilities

Develop, implement, and continuously improve cybersecurity strategies and policies.
Lead incident response, vulnerability management, and coordination of penetration testing.
Configure, monitor, and manage endpoint and network security (including firewalls, ZTNA, and Microsoft 365 environments).
Deploy and maintain SIEM platforms and perform log management and analysis.
Manage and support cybersecurity audits, including evidence gathering and communication with external auditors.
Ensure compliance with GDPR, ISO 27001, SOC2, and similar frameworks.
Produce high-quality security documentation and executive-level reports.
Mentor and guide team members in security best practices.
Collaborate across teams to foster a security-first culture.

Required Qualifications

Experience

5+ years in cybersecurity, with at least 2 years in a leadership or senior role.
Proven track record in designing and implementing security strategies.
Experience with SIEMs, log management, endpoint security, and Microsoft 365 security.
Familiarity with compliance frameworks (GDPR, ISO 27001, SOC2).
Strong background in incident response, vulnerability management, and penetration testing coordination.

Technical Skills

Proficiency in log analysis (e.g., Apache, IIS, SQL, firewalls, IPS).
Knowledge of security tools: MDM, EDR, proxies, sandboxing.
Scripting/automation skills (Python, Bash, Perl) are a plus.
Application security experience is an advantage.

Soft Skills

Strong leadership, communication, and mentoring abilities.
Capable of engaging with executives (C-Suite) and delivering high-level reports.
Excellent documentation and policy-writing skills.
Team player with strong problem-solving and decision-making abilities.
Fluent in English (C1 or higher); Spanish proficiency is a plus.

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
Locations: Madrid, Barcelona
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 · Madrid, Barcelona

Cybersecurity Expert (9-month contract with bonus incentives)

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