Job Title: Senior ATOSS Consultant / ATOSS Implementation SpecialistCountry: PortugalContract or Perm: ContractRate: NegotiableJob DescriptionRequired Qualifications & ExperienceMinimum 5+ years of hands-on experience working with ATOSS workforce management software (deep expertise in configuration and implementation required).Proven track record of at least 3 full end-to-end implementations of ATOSS solutions in complex customer environments (multi-site, multi-country preferred).Experience with at least one implementation in the Netherlands (NL) is a strong advantage (knowledge of Dutch labor laws, CAO structures, and compliance requirements is highly valued).Strong background in requirement gathering, business process analysis, and functional specification creation.Expertise in solution design and architectural decision-making for workforce management projects.Advanced skills in ATOSS system configuration, including modules for time management, workforce scheduling, demand forecasting, interfaces, and self-service portals.Solid understanding of HR processes, labor compliance, payroll integration, and workforce optimization concepts.Excellent communication and stakeholder management skills (in English; additional European languages such as Dutch is a plus).