Introdução
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).
Função
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.
Requisitos
- 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.
12/11/2025