Senior Systems Administrator – Application Platforms

Timestamp

Senior Systems Administrator for application platforms at Timestamp Group in Lisbon. Overseeing JBoss servers and ensuring operational continuity for internal teams.

Posted 5/11/2026full-timeLisboa • 🇵🇹 PortugalSeniorWebsite

Tech Stack

Tools & technologies

AzureCloudDockerKubernetesLinux

About the role

Key responsibilities & impact

Administration and maintenance of application platforms;
Administration of JBoss application servers;
Monitoring, troubleshooting and incident resolution;
Implementation of improvements and performance optimization;
Technical support to internal teams and application projects;
Participation in operational continuity and security activities.

Requirements

What you’ll need

Minimum experience: 8 years
Proven experience in JBoss administration
Knowledge of Linux and Windows systems
Knowledge of scripting (Bash, PowerShell or similar)
Experience with containers (Docker/Kubernetes) is a plus
Experience with Azure cloud environments is a plus
Strong communication skills
Ability to work in a team
Analytical mindset and problem-solving orientation
Fluency in English (spoken and written)

Benefits

Comp & perks

Health insurance
Flexible working arrangements
Training and certifications
Employee Support Program (covering five areas, including psychological support)
Birthday and long-service perks
Monthly happy hour
Benefits portal with attractive offers

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

JBoss administrationLinux systemsWindows systemsscriptingBashPowerShellcontainersDockerKubernetesAzure cloud environments

Soft Skills

strong communication skillsteamworkanalytical mindsetproblem-solving orientation