Empregos de cybersecurity systems administrator em Lisboa

Inetum is a European leader in digital services, seeking a Systems Administrator for a cybersecurity-focused initiative to identify, analyze, and remediate critical vulnerabilities across enterprise infrastructures. The role requires managing Microsoft, Linux, and virtualized environments, implementing patch management, and supporting disaster recovery and...

Inetum is seeking a Systems Administrator to join a cybersecurity-focused initiative aimed at identifying, analyzing, and remediating critical vulnerabilities across enterprise infrastructures. The successful candidate will have experience managing Microsoft, Linux, and virtualized environments while supporting security, patch management, and infrastructure...

Inetum is a European leader in digital services, seeking a Systems Administrator for a cybersecurity-focused initiative to identify, analyze, and remediate critical vulnerabilities across enterprise infrastructures. The role requires managing Microsoft, Linux, and virtualized environments, implementing patch management, and supporting disaster recovery and...

On-site Microsoft Systems Administrator role in Lisbon supporting Windows Server and VMware, focusing on Active Directory, Microsoft 365, disaster recovery, and vulnerability management within a growing team.

Responsibilities Collaborate actively on topics related to SASE (Secure Access Service Edge). Cybersecurity Tool Management: Manage and maintain cybersecurity tools, ensuring they are up-to-date, operational, and properly configured to mitigate risks effectively. Support: Provide support in the operation, troubleshooting, and optimization of...

Responsibilities - Collaborate actively on topics related to SASE (Secure Access Service Edge). - Cybersecurity Tool Management: Manage and maintain cybersecurity tools, ensuring they are up-to-date, operational, and properly configured to mitigate risks effectively. - Support: Provide support in the operation, troubleshooting, and optimization of...

About Ricoh A global leader in digital services, recognised for innovation, sustainability and a people‑first culture. We feature in the Gartner Magic Quadrant , are listed in the Global 100 Most Sustainable Companies , and have been named one of Forbes’ World’s Best Employers 2025 . At Ricoh, we believe people do their best work when they feel...

Conhece aaskblue? Nascemos em 2013, e prestamos serviços na área de tecnologias da informação. Estamos à procura de System Administrator para se juntar à nossa empresa, num dos nossos projetos. Requisitos 2 a 5 anos de experiência em Systems Administration; Experiência sólida em Linux e Windows Server; Conhecimentos de virtualização: ...

We areLandskilland we are looking for new members to join our team. If you're reading this, you already know you want to change your professional life and you have landed in the right place.What are we looking for? People who love technology and, above all, love to learn. And we get it - keeping our team motivated and happy is the key to staying successful....

CAPGEMINI ENGINEERING At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s most innovative companies unleash their potential. From autonomous cars to life‑saving robots, our digital and software technology experts think outside the box as they...

Luza is an all-inclusive consulting company focused on talent, tech and innovation. We exist to elevate companies and humans all around the world, making change, from the inside to the outside. We believe that technology + human kindness positively impacts every community around the world. Our approach is simple, we see a world without borders, and believe...

About Air Apps At Air Apps, we believe in thinking bigger—and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal in 2018—and now with...

Our purpose is centred on understanding and improving how people work. By focusing on real working experiences, we support individuals to develop their skills, realise their potential and do work that feels meaningful. People transform when they Love What They Do This belief sits at the heart of The Ricoh Promise. It guides how we recruit, how we support our...

Are you an experienced Systems Administrator looking to manage enterprise virtualization platforms while driving containerization initiatives? Ready to take charge of cluster resilience, security, and workload scalability? At act digital, we are currently recruiting a Systems Administrator (OpenShift/VMware) to join a key infrastructure project in a hybrid...

About Ricoh A global leader in digital services, recognised for innovation, sustainability and a people‑first culture. We feature in the Gartner Magic Quadrant, are listed in the Global 100 Most Sustainable Companies, and have been named one of Forbes’ World’s Best Employers 2025. At Ricoh, we believe people do their best work when they feel valued...

A nossa missão é ser uma parte significativa da carreira das nossas pessoas. À medida que crescemos, cresce também a determinação em oferecer a melhor experiência aos nossos colaboradores e clientes e é exatamente isso que nos move. Somos uma empresa portuguesa de consultoria tecnológica com escritórios em Lisboa, Porto e Óbidos e representações...

We're fast learners, hard workers, natural collaborators... and we Make Modern Happen! Our ambition is to unlock the potential of our digital world so that organisations everywhere can innovate and thrive securely. We aim to achieve this goal by bringing together the world’s most talented people and the most powerful technologies, combining them to...

Na ONI Telecom, filial portuguesa do Grupo Gigas, procuramos um(a) System Administrator para reforçar a nossa equipa de Cloud Service PT. Terá como principal missão garantir a confiança e satisfação do cliente nos serviços prestados, desenvolvendo todas as diligências para a optimização dos serviços prestados com integração num modelo de...

Inetum is a European leader in digital services, supporting organizations as they navigate continuous technological change. The company helps clients accelerate their digital transformation through a broad portfolio that includes consulting, application services, digital engineering, cloud, cybersecurity, platforms, and infrastructure services Job...

Location: Lisbon | Porto Level of Experience: Mid (3 to 6 years) Salary Package & Benefits: €1,200 to €2,000 (salary base) + Food Allowance + Flex Benefits We are looking for a System Administration! What are we looking for? - Good knowledge of Microsoft and Linux operating system administration. - Good knowledge of ITIL and ticket management on...