Senior HR Systems Administrator at Nebius — RealJobs — RealJobs

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.

Description

The People Systems team plays a critical role in enabling Nebius’ HR organization through technology, managing initiatives that range from end-user support and system administration to scaling the broader HR technology ecosystem as the company grows rapidly.

As a Senior HR Systems Administrator, you will play a key role in ensuring the reliability, scalability, and governance of Nebius’ HR systems landscape, with a primary focus on our HRIS, HiBob. You will act as a senior operational owner within the team, ensuring high-quality service delivery, maintaining system integrity, and supporting the evolution of our People Systems roadmap.

In this role, you will collaborate closely with HR, Recruitment, IT, Finance, and other stakeholders to resolve complex system issues, maintain strong operational processes, and drive initiatives that improve data quality, documentation, and system reliability. You will also serve as a bridge between the HR Systems Administrator and HR Systems Analyst tracks, helping ensure alignment between operational support and strategic system development.

This role offers the opportunity to shape the operational backbone of Nebius’ People Systems function while helping scale the team’s processes, tooling, and governance as the organization continues to grow.

Responsibilities

Own SLA delivery for People Systems support, ensuring requests are resolved within agreed timelines and proactively removing blockers for the team to prevent SLA breaches
Provide advanced troubleshooting and end-user support for Nebius’ HR systems (primarily HiBob), developing deep expertise in how stakeholders interact with the platform and resolving complex system issues
Serve as a bridge between the HR Systems Administrator and HR Systems Analyst tracks, ensuring alignment between operational support work and ongoing system development initiatives
Drive initiatives to improve HR data quality and system governance, proactively identifying inconsistencies and working with our IT Infrastructure team in designing and implementing controls to prevent data integrity issues
Partner with IT Infrastructure team to support integrations and monitoring solutions, including contributing to API-based validation and alerting mechanisms that help maintain data integrity
Identify opportunities to automate manual processes and expand self-service capabilities within HR and Recruitment systems to improve efficiency and scalability
Maintain clear visibility over support requests and operational initiatives, ensuring work is effectively tracked, prioritized, and documented within the ticketing system
Identify and close gaps in documentation and operational processes, ensuring knowledge is well organized and accessible within Confluence
Own and deliver specific initiatives on the People Systems roadmap while acting as a functional lead for other HR Systems Administrators in the absence of the People Systems Manager

Requirements

Excellent verbal and written communication skills in English
7+ years of experience in HR, People Operations, or HR Systems roles, with significant experience in HR systems administration
Strong hands-on experience working with a modern HRIS platform (HiBob experience preferred but not mandatory)
Proven experience supporting HR systems in a fast-paced, scaling environment
Demonstrated experience working with SLAs, ticketing systems (Jira experience preferred), and structured support processes
Strong analytical and troubleshooting skills with the ability to investigate complex system or data issues
Experience identifying and implementing automation or process improvements within HR systems
Practical understanding of APIs, integrations, and webhooks in the context of HR systems
Experience supporting compliance or (SOX) audit-related processes

Benefits & Perks:

Competitive compensation
Career growth and learning opportunities
Flexibility and work-life balance
Collaborative and innovative culture
Opportunity to work on impactful AI projects
International environment and talented teams

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.