ppBull is a story. One with a century of European innovation and a working environment where experts design powerful, sustainable, and sovereign digital solutions, enabling states and industries to retain full control over their data and their AI. /p /brpBull is also thousands of engineers, researchers and passionate tech people shaping the future of high‑performance computing, AI, and quantum technologies. /p /brpEvery day, our teams push the boundaries of what is technologically possible – from next‑generation HPC architectures to exascale supercomputers – supported by world‑class RD, more than 1,600 patents, and unique end‑to‑end capabilities spanning hardware design, software engineering, data science and quantum research. /p /brpWe are a people‑centric, innovation‑driven company, where collaboration spans Europe, the Americas and India. We share a common vision of a responsible and sustainable innovation that delivers concrete impact for our customers. /p /brpWe are looking for an HR Administration Payroll Specialist to join Bull's Human Resources team. The role is responsible for managing payroll and personnel administration activities, ensuring accurate payroll processing, compliance with labor and tax regulations, employee data management, and the administration of employment‑related processes throughout the employee lifecycle. The successful candidate will also support additional HR processes and contribute to delivering a high‑quality employee experience. /p /brh3Responsibilities /h3 /brul /brliManage end-to-end payroll administration,



ensuring accuracy and timely processing. /li /brliMaintain employee records and HR documentation throughout the employee lifecycle. /li /brliAdminister employment contracts, amendments, terminations, and other personnel‑related documentation. /li /brliEnsure compliance with labor law, tax regulations, and internal HR policies. /li /brliManage employee data within HR systems and ensure data accuracy and confidentiality. /li /brliSupport onboarding, offboarding, and employee administration processes. /li /brliRespond to employee queries related to payroll, personnel administration, and HR processes. /li /brliCollaborate with internal stakeholders and external providers to ensure smooth HR operations. /li /brliSupport other HR administration activities and contribute to continuous process improvements. /li /br /ul /brh3What We're Looking For /h3 /brh3Experience Education /h3 /brul /brliExperience 3+ years of experience in Payroll and Personnel Administration. /li /brliEducation Bachelor's Degree in Human Resources, Business Administration, Economics, or a related field. /li /br /ul /brh3Competences Skills /h3 /brul /brliSolid experience in payroll processing and payroll administration.



/li /brliStrong knowledge of personnel administration and employee lifecycle processes. /li /brliUnderstanding of labor legislation and payroll‑related compliance requirements. /li /brliExperience working with HRIS systems; Experience with SAP SucessFactor and SAP HR at expert user level. /li /brliStrong attention to detail and ability to work accurately with sensitive employee data. /li /brliGood organizational skills and ability to manage multiple priorities. /li /brliProficiency with Microsoft Office tools, particularly Excel. /li /br /ul /brh3Personal Skills /h3 /brul /brliStrong interpersonal and communication skills. /li /brliCustomer‑oriented mindset with the ability to support employees and stakeholders professionally. /li /brliAbility to work independently as well as collaboratively within an international environment. /li /brliLanguage agility Professional proficiency in both English and Spanish. /li /br /ul /brh3Location /h3 /brul /brliMadrid, Spain /li /br /ul /brh3Benefits /h3 /brul /brliFlexible Work Schedule; Half day Fridays and an intensive summer workday supporting work life balance. /li /brliLearning and Growth Opportunities within an international and collaborative HR environment. /li /br /ul /brpHere, your ideas, your curiosity and your technical excellence directly shape the next era of advanced computing - unlocking enterprise value, accelerating scientific progress and driving positive impact for society. /p /p #J-18808-Ljbffr

📌 HR Administration & Payroll Specialist (Madrid)
🏢 Atos
📍 Madrid