Payroll Systems Specialist

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 Overview The Payroll Systems Specialist delivers and improves the systems that support global payroll. The role coordinates new-country implementations and internal payroll and T&A system migrations, develops integrations and automation, and supports the selection and deployment of technological solutions supporting the team. It connects Payroll, People systems, Finance and Technology partners. Key Responsibilities Support planning and delivering payroll-system implementations for new countries and migrations for existing payrolls. Translate payroll and compliance requirements into configuration, data mappings, workflows and control requirements. Coordinate data preparation, validation, user acceptance testing, cutover and post-launch stabilisation. Design and maintain integrations between payroll, HR and Finance teams/systems using secure files, APIs or middleware. Manage system defects, vendor escalations, release impacts and the prioritised payroll-systems roadmap. Maintain data-quality checks, access controls, change documentation and evidence needed for audit-ready processes. Identify and deliver automation opportunities that reduce manual work, improve control and make payroll operations more scalable. Support the assessment and deployment of third-party systems, including requirements, testing and operational handover. Create system documentation and training materials for users. Leverage existing systems, tools and AI to develop independent process workflows. Key Qualifications & Experience Must-have requirements: 5 or more years of experience in payroll systems, payroll technology or payroll implementation work. Strong understanding of end-to-end payroll processes and the data needed for multi-country payroll. Experience with requirements, configuration, data migration, testing, cutover and post-launch support. Working knowledge of system integrations, including APIs, secure file interfaces and data mapping. Ability to manage multiple workstreams, vendors, dependencies and delivery deadlines. Strong analytical and spreadsheet skills, with careful handling of sensitive employee data. Clear communication with payroll specialists, People teams, Finance, engineers and external providers.