Windows System Administrator

Lisbon, Lisbon, pt on site Until 8/21/2026 First posted July 18, 2025 Last posted February 25, 2026
Job description

Inetum is a European leader in digital services. Inetum’s team of 28,000 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 dense network of sites, Inetum partners with major software publishers to meet the challenges of digital transformation with proximity and flexibility.

Driven by its ambition for growth and scale, Inetum generated sales of 2.5 billion euros in 2023.

Are you an experienced Windows Administrator looking to deepen your skills in system management and automation?
Inetum is hiring a Windows System Administrator (Mid-Level) to join our infrastructure team and help manage the installation, performance, security, and stability of Windows-based systems.

Your Key Responsibilities

  • Install, configure, maintain, and update Windows Server operating systems and system tools.
  • Monitor system performance and ensure availability and reliability across environments.
  • Apply security patches, manage user access, and support vulnerability remediation (in coordination with the Security team).
  • Troubleshoot and resolve hardware, software, and OS-level issues, escalating when needed.
  • Develop basic automation scripts using PowerShell or Ansible to reduce manual tasks.
  • Support end-users and collaborate with other IT teams to resolve incidents efficiently.
  • Maintain system documentation and contribute to process improvement efforts.

 

  • 3–5 years of experience in Windows system administration.
  • Bachelor’s degree in Computer Science, IT, or equivalent.
  • Solid knowledge of Windows Server and related technologies:
    • Active Directory
    • Group Policy (GPO)
    • DNS
  • Understanding of basic networking concepts (e.g. DHCP, load balancing).
  • Familiarity with PowerShell scripting and automation principles.
  • Proactive attitude towards problem-solving and performance improvement.
  • Strong communication and team collaboration skills.
  • Fluent in English (B2–C1 level).

Nice to Have

  • Experience with SolarWinds or other monitoring platforms.
  • Familiarity with virtualization technologies (e.g. VMware).
  • Basic knowledge of Azure environments.
  • Understanding of ITIL practices (incident/change management).

 

About this role

Summary

Manage Windows systems, automate tasks, ensure performance, security, and collaborate with IT teams.

Job title

Windows System Administrator

Experience level

3–5 years

Industry

software

Location requirements

Lisbon, Portugal; remote work not specified

Salary

Not specified

Management role

No

Skills & keywords

Required skills

Windows ServerActive DirectoryGroup PolicyDNSPowerShell scripting

Preferred skills

SolarWindsvirtualizationAzureITIL

Specializations

Windows ServerPowerShellsecurityautomationnetworking
Locations

Structured locations inferred from the posting.

Lisbon, Portugal

On-site City
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