Corporate Systems Administrator

1 dia atrás

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.

  • Corporate Systems Administrator

    Há 7 dias

    Lisboa, Lisboa, Portugal Randstad Portugal Tempo inteiro 40 000 € - 60 000 € por ano

    Randstad operates in Portugal and worldwide as a leader in the field of human resources across various sectors of activity.The Digital division focuses exclusively on the IT sector, offering unique opportunities for professional development.We are seeking an experiencedCorporate Systems Administratorto be the backbone of our communication, collaboration, and...

  • System Administrator

    Há 7 dias

    Lisboa, Lisboa, Portugal ConSol Partners Tempo inteiro 40 000 € - 80 000 € por ano

    Hi,I'm excited to share that one of our clients inPortugalis hiring for aUnix/Linux System AdministratorBelow are the job details. If you're interested, please send your CV to apply.Title: Unix/Linux System AdministratorLocation: Lisbon, PortugalDuration: 6+ months freelance contract (possibility of extension)Job Type: HybridUnix/Linux System...

  • System Administrator

    1 semana atrás

    Lisboa, Lisboa, Portugal NoeXa - IT Solutions Tempo inteiro 45 € - 55 € por ano

    WE ARE HIRINGJoin our team as aSystem Administrator – Hybrid Profile(f/m/d)Are you passionate about managing complex infrastructures, ensuring operational excellence, and supporting critical business applications? We are looking for an experienced System Administrator to join our infrastructure team. You'll be responsible for the administration of our...

  • System Administrator

    Há 3 dias

    Lisboa, Lisboa, Portugal Hexa Consulting Tempo inteiro

    At Hexa Consulting, we promote transparency and support diverse career paths in the tech sector. Based in Portugal, we respond to the growing demand in the IT industry.Our mission is to build strong relationships, be a trusted partner through a distinctive approach to IT consulting, and contribute to the professional and personal growth of our team. We...

  • HR Systems Administrator

    1 semana atrás

    Lisboa, Lisboa, Portugal iBASIS Tempo inteiro 40 000 € - 60 000 € por ano

    ABOUT US:iBASIS is the leading communication solutions provider enabling operators and digital players worldwide to perform and transform. We have become the first independent international communications specialist. We are an international team of high performers who continually achieve ambitious corporate goals together. International brands rely on the...

  • System Administrator

    1 semana atrás

    Lisboa, Lisboa, Portugal Xtedder Tempo inteiro 40 000 € - 60 000 € por ano

    System AdministratorEstamos à procura de umSystem Administrator experientepara reforçar a equipa de IT de um parceiro, assegurando a performance, segurança e disponibilidade das infraestruturas tecnológicas da empresa. O que vais fazer:Implementar, manter e otimizar redes e infraestruturas de TI ;Administrar sistemas Microsoft (Active Directory,...

  • Linux System Administrator

    Há 3 dias

    Lisboa, Lisboa, Portugal Syntera Tempo inteiro

    Linux System Administrator - Linux, Networking, RPA, AI, AutomationHybrid, Portugal (ideally Lisbon).Our client:Our client is a digital transformation firm specialising in business process management, value engineering, and AI-powered automation, helping companies streamline operations through technology like RPA, content management, and low-code tools, with...

  • System Administrator

    1 dia atrás

    Lisboa, Lisboa, Portugal Wire IT Tempo inteiro

    WIRE ITwas born during the pandemic period and is proudly based in Portugal.Our values are built around today's IT reality: flexibility, transparency, trust, freedom, digital mindset, and the creation of Focused Partnerships making a real difference through trusted relationships with our collaborators and clients.We are an IT services company operating...

  • System Administrator

    Há 7 dias

    Lisboa, Lisboa, Portugal Inetum Portugal Tempo inteiro 40 000 € - 60 000 € por ano

    Company Description Inetum is a European leader in digital services. Inetum's team of 27,000 consultants and specialists strive every day to make a digital impact for businesses, public sector entities and society. Inetum's solutions aim at contributing to its clients' performance and innovation as well as the common good. Present in 19 countries with a...

  • IT System Administrator

    Há 7 dias

    Lisboa, Lisboa, Portugal PaySet Tempo inteiro 30 000 € - 60 000 € por ano

    System AdministratorLocationOur System's Administrator will be a part of our R+D team. We are open to Remote or Hybrid working in Romania, Portugal or wider Europe.Who We ArePayset, a UK-based online international payments solution authorised by the UK Financial Conduct Authority (FCA) as an Electronic Money Institution (EMI), offers multi-currency accounts...