
About Nebius:
Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure.
Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI.
Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D.
Role
The DC Site Security Manager will be responsible for managing on-site security at the Mantsala DC, ensuring that physical security protocols are effectively followed. The role includes responding to security incidents and leading the security guard team to maintain a secure environment at all times.
Key Responsibilities
Manage Mantsala DC on-site security, ensuring adherence to security protocols and standards.
Respond to security incidents, coordinating efforts to resolve issues promptly.
Lead the security guard team, ensuring effective operations and performance.
Monitor and implement site-specific security measures to protect the site’s assets and personnel.
Maintain high-security standards across all locations, ensuring continuous security improvements.
Key Qualifications & Experience
Must-have requirements:
Experience in managing site-specific security operations.
Strong knowledge of physical security protocols and incident response.
Proven leadership skills in managing security teams.
Ability to maintain high-security standards across multiple locations.
Preferred qualifications:
Experience in data center security operations.
Background in security operations management or law enforcement.
Competencies & BehavioralTraits
Strong problem-solving and decision-making abilities.
Ability to work under pressure and handle security incidents effectively.
Excellent communication and leadership skills to manage teams and stakeholders.
Attention to detail and proactive approach to security challenges.
Benefits & Perks:
What's it like to work at Nebius:
Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI
Equal Opportunity Statement:
Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law.
Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire.
If you need accommodations during the application process, please let us know.

The Nebius AI Cloud brings powerful full-stack infrastructure for AI developers and practitioners across startups, enterprises and science institutes to build and deploy generative AI applications and rapidly deliver scientific breakthroughs by training and running ML models within a secure, high-performance, and cost-optimized cloud environment.