{"id":46474,"date":"2026-01-05T00:00:00","date_gmt":"2025-11-11T22:00:00","guid":{"rendered":"https:\/\/jobs.clairejoster.com\/pt-pt\/corporate-systems-administrator-m-f-lisboa\/"},"modified":"2026-04-13T10:51:22","modified_gmt":"2026-04-13T08:51:22","slug":"corporate-systems-administrator-m-f-lisboa","status":"publish","type":"post","link":"https:\/\/jobs.clairejoster.com\/pt-pt\/corporate-systems-administrator-m-f-lisboa\/","title":{"rendered":"Corporate Systems Administrator (M\/F) – Lisboa"},"content":{"rendered":"

Introdu\u00e7\u00e3o<\/h4>\n

Claire Joster is currently recruiting for a reference client in car rental services, who aims to strengthen its internal structure with the integration of a Corporate Systems Administrator (M\/F).<\/p><\/div>\n\r\n\r\n\r\n

Fun\u00e7\u00e3o<\/h4>\n

System Administration & Support<\/p>

  • Administer, configure, and maintain the client corporate applications including Zendesk, RingCentral, Microsoft 365, and Duo Security;<\/li>
  • Manage user provisioning, access controls, and role-based permissions to ensure compliance and data integrity;<\/li>
  • Oversee platform integrations and data synchronization across internal systems (CRM, HRIS, and reporting tools);<\/li>
  • Monitor system health, performance, and usage to ensure reliability and optimal user experience;<\/li>
  • Provide Tier 2\/3 support for corporate system incidents and service requests.<\/li> <\/ul>

    Configuration & Optimization<\/p>

    • Customize workflows, automation, and business rules within Zendesk to enhance customer support efficiency;<\/li>
    • Manage RingCentral call routing, IVR configurations, and reporting dashboards;<\/li>
    • Oversee Microsoft 365 tenant administration including Exchange Online, Teams, SharePoint, and OneDrive;<\/li>
    • Maintain Duo multi-factor authentication (MFA) configurations and device management policies;<\/li>
    • Identify opportunities to streamline business processes through automation or improved system design.<\/li> <\/ul>

      Security & Compliance<\/p>

      • Enforce security and access management policies across all corporate platforms;<\/li>
      • Collaborate with Security and IT teams to support compliance initiatives (GDPR, PCI, and internal data governance);<\/li>
      • Maintain audit trails, system documentation, and change management records;<\/li>
      • Conduct periodic access reviews and ensure timely deprovisioning of inactive accounts.<\/li> <\/ul>

        Collaboration & Continuous Improvement<\/p>

        • Partner with stakeholders in customer service, operations, HR, and finance to understand evolving system needs;<\/li>
        • Coordinate system upgrades, patches, and vendor updates;<\/li>
        • Evaluate and recommend new tools, integrations, or enhancements to improve collaboration and support efficiency;<\/li>
        • Develop and deliver user training materials, knowledge base articles, and best practice documentation.<\/li> <\/ul><\/div>\n\r\n

          Requisitos<\/h4>\n
          • 2-4 years of experience as a systems administrator or application administrator in a corporate IT environment;<\/li>
          • Hands-on experience managing and configuring Zendesk, RingCentral, Microsoft 365, and Duo;<\/li>
          • Strong understanding of identity and access management (IAM), MFA, and SSO principles;<\/li>
          • Familiarity with SaaS administration, API integrations, and automation scripting (PowerShell, Python, or similar);<\/li>
          • Excellent troubleshooting, documentation, and communication skills;<\/li>
          • Proven ability to manage multiple priorities in a dynamic, fast-paced environment.<\/li> <\/ul><\/div>\n\r\n\r\n\r\n","protected":false},"excerpt":{"rendered":"

            Introdu\u00e7\u00e3o<\/h4>\n

            Claire Joster is currently recruiting for a reference client in car rental services, who aims to strengthen its internal structure with the integration of a Corporate Systems Administrator (M\/F).<\/p><\/div>","protected":false},"author":192,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[16022,25518,25586,25585],"tags":[25521,11889,11888],"class_list":["post-46474","post","type-post","status-publish","format-standard","hentry","category-empleos","category-it-systems-infrastructures","category-medior-system-administration-windows-unix-it-systems-infrastructures","category-system-administration-windows-unix-it-systems-infrastructures","tag-it-systems-infrastructures","tag-lisboa","tag-portugal","functiongroups-it-systems-infrastructures","functions-system-administration-windows-unix","sector-it","industry-telecomunicacoes-e-informatica","worklocation-lisboa","region-lisboa","country-portugal","worklevels-medior","procedure-cj-it","business-line-default","hours-per-week-11899","pubid-list-23920"],"acf":[],"_links":{"self":[{"href":"https:\/\/jobs.clairejoster.com\/pt-pt\/wp-json\/wp\/v2\/posts\/46474","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jobs.clairejoster.com\/pt-pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jobs.clairejoster.com\/pt-pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jobs.clairejoster.com\/pt-pt\/wp-json\/wp\/v2\/users\/192"}],"replies":[{"embeddable":true,"href":"https:\/\/jobs.clairejoster.com\/pt-pt\/wp-json\/wp\/v2\/comments?post=46474"}],"version-history":[{"count":0,"href":"https:\/\/jobs.clairejoster.com\/pt-pt\/wp-json\/wp\/v2\/posts\/46474\/revisions"}],"wp:attachment":[{"href":"https:\/\/jobs.clairejoster.com\/pt-pt\/wp-json\/wp\/v2\/media?parent=46474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jobs.clairejoster.com\/pt-pt\/wp-json\/wp\/v2\/categories?post=46474"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jobs.clairejoster.com\/pt-pt\/wp-json\/wp\/v2\/tags?post=46474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}