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Systems Administrator - Windows and Linux

Exclusive opportunity

Onsite

Systems Administrator - Windows and Linux

GRiT Solutions

Systems Administrator - Windows and Linux

Skills

SQL QueriesLinuxZabbix

15 days ago

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Important information


Contract type:

Permanent

Location:

Lisbon, Portugal

Work mode:

Onsite

Published on:

7 October 2026

What they need


Systems Administrator - Windows and Linux

Infrastructure Guardian: Keeping Windows and Linux Systems Running Strong! ⚙️

There's no secret to become number-one, it takes willingness to improve and determination to pursue it. At GRiT®, it's all about the journey getting there. We trust talent and intelligence are important, yet passion and perseverance are key to achieving any goal.

We are Tech Passionate People with a Purpose, delivering solutions while building strong long-term relations.

Recognizing each person's unique contribution to our collective success, we embrace inclusion and diversity, committed to creating a respectful and socially responsible environment.

People. Technology. Innovation. All-around it.

Are you GRiTTY enough to be part of our journey? Take the first step by applying now and let's create our future together. 🌟

Job Description:

Integration into a multidisciplinary, multi-client team delivering continuous support, with an active role in the administration, maintenance and evolution of IT infrastructures. Operating system and server availability, reliability and security, performance monitoring, system and network troubleshooting, rollout of updates, patches and improvements. Incident and request handling on an ITSM platform, backup management and data recovery, participation in infrastructure and technology projects. Future integration into the standby and on-call team, subject to the Team Leader's assessment of readiness.

Must-Have:

  • Over 3 years of experience in IT infrastructure administration
  • Hands-on administration of Windows and Linux
  • Configuration management of O365 and M365
  • Day-to-day use of ticketing and ITSM systems
  • Virtualization environments, namely VMware or Hyper-V
  • Working knowledge of Zabbix configuration
  • Intel hardware knowledge
  • E-mail systems, on-premises or SaaS
  • Active Directory, OUs and GPOs
  • European Portuguese and English at B2 level
  • Attentive listening, with a solution-oriented approach whenever input is requested
  • Structured communication, from brief summaries to detailed explanations

Would be great if you have:

  • Familiarity with high availability systems
  • Knowledge of the Veeam platform
  • Exposure to e-mail filtering platforms
  • Networking fundamentals: TCP/IP, DNS, DHCP and subnets
  • PowerShell and scripting skills
  • SQL Server knowledge

What's in it for you:

  • Continuous Training and Certifications
  • GRiT Prizes: GRiT Baby Gift, GRiT Birthday Prize, GRiT Recommendation Prize
  • Exclusive Partnerships/Discounts: (Gym, Health, Well-being, Lifestyle, Financial, etc…)
  • Unique Events
  • Welcoming Office (Fruit, Coffee, Pool Table, etc.)
  • Competitive Compensation
  • Pay for Performance

#TechWithPassion - Fuel your fire, join our tech tribe! 🫀

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