Corporate Systems Administrator

Há 7 dias

Lisboa, Lisboa, Portugal Claire Joster Tempo inteiro

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).

Role:

System Administration & Support

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

Configuration & Optimization

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

Security & Compliance

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

Collaboration & Continuous Improvement

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

Requirements:

  • 2-4 years of experience as a systems administrator or application administrator in a corporate IT environment;
  • Hands-on experience managing and configuring Zendesk, RingCentral, Microsoft 365, and Duo;
  • Strong understanding of identity and access management (IAM), MFA, and SSO principles;
  • Familiarity with SaaS administration, API integrations, and automation scripting (PowerShell, Python, or similar);
  • Excellent troubleshooting, documentation, and communication skills;
  • Proven ability to manage multiple priorities in a dynamic, fast-paced environment.

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