Systems Administrator (Lisbon)

Claranet Portugal; Lisboa; On-site; EUR 38,000 - 52,000; Full time

Job summary

Claranet Portugal is seeking a Systems Administrator to join our Lisbon-based team. You will install, configure, and maintain Windows servers, manage virtualization (VMware and Hyper-V), and automate tasks with PowerShell and VBScript.

You will also administer Office365, monitor performance, implement security policies, document changes, and collaborate with IT colleagues to deliver reliable, secure systems for our customers.

Qualifications

• At least 5 years of relevant experience as a system administrator.
• Strong skills in Windows, Unix/Linux, and virtualization environments (VMware, Hyper-V).
• Knowledge of TCP/IP, VLANs, and basic networking concepts.
• PowerShell scripting and VBScript for task automation.
• Office365 administration including Azure, Exchange Online (Hybrid), SharePoint, and Teams.

Responsibilities

• Install, configure, and maintain Windows Servers, ensuring performance and security.
• Manage and optimize VMWare hosts, including setup and troubleshooting.
• Develop and maintain scripts using PowerShell and VBScript to automate tasks.
• Oversee deployment of applications on servers and ensure proper configuration.
• Continuously monitor system performance and implement reliability improvements.
• Enforce security policies, apply patches, and maintain documentation of changes.
• Collaborate with IT and other departments on projects and initiatives.

Skills

Windows

Unix/Linux

PowerShell scripting

VBScript

Office365 administration

Networking basics

ITIL awareness

Communication

Teamwork

Tools

VMware

Hyper-V

Job description

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 address our customers' challenges and to build something stronger together.

Right now, we are looking for a Systems Administrator to integrate our internal team, based in Lisbon.

Your responsibilities include:

• Install, configure, and maintain Windows Servers, ensuring optimal performance and security;
• Manage and optimize VMWare hosts, including setup, configuration, and troubleshooting;
• Develop and maintain scripts using PowerShell and VBScript to automate repetitive tasks and streamline processes;
• Oversee the deployment of applications, ensuring they are correctly installed and configured on servers;
• Continuously monitor system performance, identify issues, and implement solutions to ensure system reliability and efficiency;
• Ensure systems are secure by implementing and maintaining security policies, patches, and updates;
• Maintain detailed documentation of system configurations, procedures, and changes to ensure knowledge continuity;
• Work closely with other IT professionals and departments to support various IT projects and initiatives.

You must have:

• At last 5 years of relevant experience as a system administrator;
• Strong computer skills, including proficiency in Windows, Unix/Linux, and virtualization environments (e.g. VMware, Hyper-V);
• Knowledge of structured networks and TCP/IP, including understanding of network routing protocols, IP addressing, subnetting, and VLANs;
• PowerShell Scripting: Develop and automate tasks using PowerShell scripting;
• Office365 Administration: Administer Office365 services, including Azure, Exchange Online (Hybrid), SharePoint, and Teams;

We value:

• ITIL certification;
• Dynamism and initiative;
• High sense of responsibility;
• Problem-solving skills;
• Good communication;
• Team spirit and interpersonal skills;
• Results-oriented;
• Stress management and emotional control.

We offer:

• Salary package according to the function to be performed and with demonstrated experience;
• Career development and certification programs.
• Balanced and Friendly work environment.
• Integrate the biggest IT MSP operating in Portugal by revenue.