HR & Office Operations Specialist
People & HR, Operations
San Sebastián, Gipuzkoa, Spain
Multiverse Computing
Multiverse is a well-funded, fast-growing deep-tech company founded in 2019. We are the largest quantum software company in the EU and have been recognized by CB Insights (2023 and 2025) as one of the 100 most promising AI companies in the world.
With 180+ employees and growing, our team is fully multicultural and international. We deliver hyper-efficient software for companies seeking a competitive edge through quantum computing and artificial intelligence.
Our flagship products, CompactifAI and Singularity, address critical needs across various industries:
CompactifAI is a groundbreaking compression tool for foundational AI models based on Tensor Networks. It enables the compression of large AI systems—such as language models—to make them significantly more efficient and portable.
Singularity is a quantum- and quantum-inspired optimization platform used by blue-chip companies to solve complex problems in finance, energy, manufacturing, and beyond. It integrates seamlessly with existing systems and delivers immediate performance gains on classical and quantum hardware.
You’ll be working alongside world-leading experts to develop solutions that tackle real-world challenges. We’re looking for passionate individuals eager to grow in an ethics-driven environment that values sustainability and diversity.
We’re committed to building a truly inclusive culture - come and join us.
About the role
This is a hybrid HR generalist and office administration role, combining hands-on people processes with day-to-day operational leadership for the Barcelona office. You'll be the go-to person for both HR support and office management, ensuring smooth operations for employees and visitors while contributing to broader HR initiatives.
As a HR officer, you will:
Responsibilities
Act as a friendly and reliable first point of contact for employees with HR-related administrative or operational queries.
Serve as the main point of contact for all Barcelona office administrative matters, including vendor relationships and local regulatory compliance.
Manage office supplies, facilities, and workspace to ensure a productive and welcoming environment for employees and visitors.
Support the organisation of internal events, team meetings, and company gatherings in Barcelona.
Provide HR advisory and policy guidance support to local leadership.
Coordinate the practical logistics of new hire onboarding in Barcelona: office access, equipment setup, desk allocation, and welcome orientation.
Liaise with IT and relevant departments to ensure smooth day-one readiness for new joiners.
Support offboarding processes, including return of equipment, access revocation coordination, and exit administration.
Support performance management processes, helping ensure evaluation criteria, cycles, and feedback mechanisms align with company goals.
Collaborate with department heads to help refine performance evaluation methods and support continuous improvement efforts closely coordinating with stakeholders in different offices globally.
Support Learning & Development (L&D) initiatives, helping identify training needs and coordinating delivery closely liaising with the headquarters.
Assist with HR operations, including salary benchmarking, internal equity analysis, and compensation framework implementation.
Support employee relations matter and contribute to HR strategy discussions.
Required Qualifications
4+ years of HR and/or office administration experience, ideally combining generalist HR support with operational/office management responsibilities.
Experience supporting performance management, L&D, or employee relations processes.
Familiarity with HR operations and compensation-related concepts (salary benchmarking, internal equity).
Strong organisational skills with the ability to manage multiple priorities, from HR support to office logistics.
Good analytical skills, with comfort using HR systems and data.
Excellent interpersonal and stakeholder management skills; comfortable being a first point of contact for employees.
Working knowledge of Spanish labour legislation.
Fluent in Spanish and English.
Proficiency in Microsoft 365, with strong Excel skills.
Highly adaptable, proactive, and hands-on comfortable switching between strategic HR support and day-to-day operational tasks.
Preferred Qualifications
Experience in a fast-paced, international, or startup environment.
Previous exposure to tech companies or deep-tech industries.
Exposure to HR processes across multiple countries or knowledge of international labour laws.
Experience managing office budgets, vendor relationships, or facilities.
Perks & Benefits
Indefinite contract.
Equal pay guaranteed.
Signing bonus
Relocation package (if applicable).
Private health insurance.
Eligibility for educational budget according to internal policy.
Hybrid opportunity.
Flexible working hours.
Flexible remuneration (Employees in Spain only): hospitality and public transportation
Language classes and discounted lunch options
A high-performance, collaborative environment, operating at pace on cutting-edge technologies.
Career plan. Opportunity to learn and teach,
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.