Senior System Administrator

Senior System Administrator

Conditions

Posted Date Apr 13, 2026 Employment Type Full-time Experience Level Entry level Location Poland Category ** Networking ** Company **Cloudica **

Senior System Administrator

Location Warsaw/Remote

Offer description

Cloudica is a dynamic company operating on the modern technology market. We help clients understand and adapt to the digital world.

We build comprehensive solutions, optimize IT environments, and provide subscriptions, licenses and equipment.

We are looking for an experienced System Administrator who will help us implement projects and services that enable further dynamic development.

Duties

• Management and administration of server environments.
• Automation of administrative tasks.
• Diagnosing and resolving issues.
• Administration and maintenance of Public Key Infrastructure (PKI). Interested in remote work opportunities in IT & Network Engineering? Discover IT & Network Engineering Remote Jobs featuring exclusive positions from top companies that offer flexible work arrangements.
• Participation in the creation and updates of administrative procedures.
• Collaboration with project teams to implement new solutions.

**Required Skills

**

• Strong knowledge of Windows Server infrastructure (Active Directory, ADFS, PKI).
• Experience in administering Linux servers (RedHat).
• Proficiency in scripting and task automation using PowerShell and Bash.
• Experience with managing Microsoft AD Certificate Services (ADCS).
• Solid understanding of PKI standards and protocols (e.g., X.509, SSL/TLS, CRL, OCSP).
• Knowledge of encryption algorithms, key management, and secure digital signatures. Browse our curated collection of remote jobs across all categories and industries, featuring positions from top companies worldwide.
• Fluent English proficiency.

What we offer

• International projects
• Great development opportunities
• Flexible working time – an optimum work-life balance
• Possibility to work 100% remotely, or if you want - in our permanent office in Warsaw (Atlas Tower)
• 20 paid days off guaranteed in a year
• Medicover Sport
• Medical care (PZU Zdrowie)
• A creative working atmosphere

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