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 p lan ning and deliver ing 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 stabili s ation . • 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 prioriti s ed 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. Preferred qualifications: • Hands-on experience with payroll system implementations or migrations . • Experience with HRIS and ERP integrations, payroll accounting interfaces or identity and access controls. • Basic SQL, API troubleshooting or low-code automation experience. Competencies & Behavioural Traits • Structured delivery with clear ownership of requirements, decisions and open issues. • Curiosity about how payroll processes and system behaviour interact. • Practical problem solving and early escalation of delivery or control risks. • Careful testing and documentation before production changes. • Collaborative communication across operational and technical teams. Benefits & Perks: • Competitive compensation • Ca