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IT Infrastructure and Security Specialist

Solution-oriented IT specialist with extensive experience in the maintenance, enhancement, and troubleshooting of IT infrastructures. Expertise includes strategic planni…

Usually within 24h (business days).
Anonymised profile – details after NDA/on request.
IT Infrastructure and Security Specialist

Executive snapshot

  • Experience: ca. 15 Jahre
  • Seniority: Senior
  • Work mode: Flexibel / Nach Absprache
  • Availability: Nach Absprache
  • Region: Deutschland / EU
  • Focus: IT Services, Telecommunications, Retail Technology, Cybersecurity

At a glance

Profile ID
DP-11240
Role
IT Infrastructure Management, System Administration, Network Security, Technical Support
Seniority
Senior
Experience
ca. 15 Jahre
Work mode
Flexibel / Nach Absprache
Availability
Nach Absprache
Region
Deutschland / EU
Languages
German: B2, English: B2, Russian: B2
Engagement models
Festanstellung, Projektarbeit
Indicative rate
Nach Absprache

Short profile

Solution-oriented IT specialist with extensive experience in the maintenance, enhancement, and troubleshooting of IT infrastructures. Expertise includes strategic planning and the integration of modern technologies. Key areas of focus are the hardening of network and application infrastructures, the implementation of DLP and redundancy solutions, and the administration of complex SMB environments. Proficient in Bash and Python scripting, as well as whitebox penetration testing.

Focus (domains)

IT ServicesTelecommunicationsRetail TechnologyCybersecuritySecurityManagement

Core skills

Infrastructure EngineeringNetwork HardeningDLP ImplementationRedundancy SolutionsSystem Administration (WindowsLinux)Virtualization (HyperVNutanix)Database Management (MSSQLMySQL)Bash ScriptingPython ScriptingWhitebox Penetration TestingTechnical Support (L1-L3)PythonSecurityCybersecurity / Security

Tools & technologies

SophosArubaCiscoAzure/EntraWindowsLinuxVPNVoIPHyperVNutanixVeeamSynologyIDS/IPSBashPythonMSSQL

Track record & project highlights

Implemented DLP and redundancy solutions (Veeam, Synology) to ensure data availability and integrity. Hardened network and application infrastructures using IDS/IPS, Port Security, and 2FA solutions. Engineered and administered SMB infrastructures utilizing Sophos, Aruba, Cisco, Azure/Entra, Windows, Linux, HyperV, and Nutanix. Developed automation scripts in Bash and Python, and conducted whitebox penetration tests for vulnerability analysis. Provided L2/L3 support for B2B clients in VMS environments. Managed databases (MSSQL, MySQL) and HPC services (Supermicro).
Interested? We can share details quickly (NDA-ready) — just request the profile.