Senior IT Data Systems Administrator

Spain·ZaragozaFull-timesenior

Systems AdministratorInfrastructure & Cloud

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Diamond Foundry Inc. is solving the thermal limitation at the foundation of today's most exciting tech industries -- AI & cloud compute, electric-car power electronics, and 5G/6G wireless.

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Systems AdministratorInfrastructure & Cloud

Diamond Foundry Inc. is solving the thermal limitation at the foundation of today's most exciting tech industries -- AI & cloud compute, electric-car power electronics, and 5G/6G wireless. We have managed to produce the world's first single-crystal diamond wafers and are now on a mission to put a diamond behind every chip. We are the rare unicorn that has grown fast and profitably. We received $515m in funding and are executing a multi-$B expansion plan for one of the greenest forms of tech manufacturing: converting greenhouse gas into diamond wafers using zero-emission energy.

We are seeking a highly experienced Senior IT Data Systems Administrator to architect, scale, and optimize our mission-critical IT infrastructure across Spain and our global locations. As a key technical lead, you will drive the stability, security, and operational excellence of our technology stack, balancing high-level infrastructure strategy with proactive systems management. The ideal candidate will bring deep expertise in clustering, high-availability environments, and enterprise networking, with solid experience in Linux systems and/or database administration. You will be instrumental in evolving our IT operations, providing architectural guidance, and collaborating cross-functionally to ensure our systems effectively support our rapid, large-scale growth.

Architect, deploy, and maintain mission-critical infrastructure, ensuring high availability, performance, and scalability across global operations.

Design and implement robust security policies, identity management frameworks, and access controls to protect sensitive corporate assets.

Lead strategic infrastructure initiatives, including vendor management, hardware lifecycle planning, and capacity forecasting for large-scale deployments.

Drive IT projects, including complex system upgrades and migrations, by defining technical standards, workflows, and documentation best practices.

Engineer and manage advanced enterprise clustering and networking solutions, optimizing connectivity, security, and traffic flow in complex environments.

Associate’s or Bachelor’s degree in IT, Computer Science, or a related field (or equivalent experience 7+ years in complex, large-scale enterprise environments).

Deep proficiency in architecting and maintaining high-availability systems, server clustering, and robust enterprise solutions.

Advanced knowledge of Windows/macOS ecosystems, Active Directory, Meraki, and RMM tools. Solid experience in Linux systems administration and database management is a significant plus.

Bilingual fluency in English and Spanish required; German is a plus.

Ability to travel between company locations in Spain as needed.

Diamond Foundry believes in supporting our employees from the workplace to their personal and home life. We provide eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Perks include employee discounts to VRAI. All benefits offered are available starting your first day.

Diamond Foundry is an Equal Opportunity Employer and considers qualified applicants for employment without regard to race, color, creed, religion, national origin, sex, sexual orientation, gender identity and expression, age, disability, veteran status, or any other protected factor under federal, state or local law.