security systems

Manage and maintain computer networks, ensuring optimal functioning of hardware, software, and network components, with a focus on IT security.

Manage and maintain computer networks, ensuring optimal functioning of hardware, software, and network components, with a focus on IT security.

Manage and maintain computer networks, ensuring optimal functioning of hardware, software, and network components, with a focus on IT security.

About UsA career at Hitachi Rail will help create a legacy.With operations in every corner of the world, our work goes to the cutting-edge of digital transformation and technology.From the multi-cultural strength of our global organisation to the sustainable and innovative ways we work to bring people together, there's something for everyone to get stuck...

Systems Administrator needed to manage IT infrastructure, user access, and SaaS tools.Requires 3+ years of experience in IT admin, cloud management, and problem-solving.

Systems Administrator needed to manage IT infrastructure, user access, and SaaS tools.Requires 3+ years of experience in IT admin, cloud management, and problem-solving.

Hitachi Rail Limited in Portugal seeks a CCTV and Security Systems Engineer with 2-3 years of experience to formalise specifications, assemble solutions, and verify performance.You will ensure designs meet operational needs and support production, testing, installation and maintenance activities.Responsibilities include coordinating subsystem development,...

Cloudflare is seeking a Senior Systems Engineer to join the Security Rules team. You will design and operate the software powering our Application Security offerings, including rate limiting and the Web Application Firewall, across a scale of millions of Internet properties.You'll mentor engineers, shape architecture, and own complex projects end-to-end. We...

Do you want to own infrastructure rather than just keep it running? Here, the full stack is yours – from the Proxmox cluster in our own data center, through firewalls and VPNs, to AWS and the deployment pipelines. Testsieger is one of Germany's largest consumer platforms: 4.2 million products, test reviews, customer ratings and an integrated price...

Inetum is seeking a Citrix & VDI Infrastructure Specialist to join our team in Viseu, Portugal. You will design and implement Citrix Cloud, XenApp/XenDesktop, and related VDI solutions, and guide the right virtualization choices for users. You will tune and configure Citrix & VDI environments, provide 3rd line support, lead maintenance and upgrades, create...

Do you want to own infrastructure rather than just keep it running? Here, the full stack is yours – from the Proxmox cluster in our own data center, through firewalls and VPNs, to AWS and the deployment pipelines.Testsieger is one of Germany's largest consumer platforms: 4.2 million products, test reviews, customer ratings and an integrated price...

Closer Consulting is seeking a Security Engineer to join the team in Lisbon, Portugal. The role targets 1–3 years in Systems Administration, with hands-on Windows Server and Linux experience and solid networking knowledge in enterprise settings. Applicants should bring basic cybersecurity understanding, strong problem-solving skills, and English at B2...

SysMatch is hiring an AI Security Engineer for remote work with a temporary Lisbon-based engagement. You will embed security by design across AI use cases, agents, and platform integrations, establishing strong controls for access, logging, and data protection. The role requires 7+ years in IT security with cloud, IAM, and secure SDLC expertise, plus AI/ML...

A Softtek procura um profissional para a área de Segurança da Informação com foco em Identity & Access Management e monitorização de soluções de segurança. O(a) candidato(a) irá gerir ferramentas de proteção, garantir atualizações e patches, e responder a incidentes de segurança, mantendo os sistemas em funcionamento seguro. É procurado...

iBET Portugal is seeking a mid-level IT Systems & Security Administrator to strengthen server and network security across the institute in Oeiras, Portugal.You will work hands-on with Windows Server and Linux, manage VLANs and firewall rules, and own patch management and post-patch validation.Reporting to the Head of IT, you will help keep the hybrid...

iBET is seeking a mid-level IT Systems & Security Administrator to strengthen server and network security operations across the institute.The IT Systems & Security Administrator will report to the Head of IT and play a key role in keeping iBET's hybrid Windows and Linux infrastructure secure and reliable.This role encompasses a diverse set of...

FreshStart UAE is looking for an Information Security Analyst to join our team in Funchal.You will safeguard data and information systems, perform risk assessments, and enforce security policies while collaborating with cross-functional teams.The role requires a strong technical background in information security, problem-solving skills, and effective...

Nokia in Lisbon seeks a Systems Operations Engineer to maintain and secure cloud-hosted Linux servers, manage access, patch software, and administer PostgreSQL for customer documentation infrastructure.

A Remoteconnect em Olhão, Portugal, procura um Analista de Segurança da Informação para assegurar a proteção de dados e de sistemas. O(a) candidato(a) vai implementar protocolos de segurança, realizar avaliações de risco e identificar vulnerabilidades, trabalhando de forma remota.Requisitos incluem formação em TI/CS e capacidade de atuar...

SysMatch is hiring an AI Security Engineer for remote work with a temporary Lisbon-based engagement. You will embed security by design across AI use cases, agents, and platform integrations, establishing strong controls for access, logging, and data protection.The role requires 7+ years in IT security with cloud, IAM, and secure SDLC expertise, plus AI/ML...