Senior Systems Administrator – Windows, Hyper-V & ITIL Pro

Gizli Şirket; Fatih; On-site; TRY 240,000 - 360,000; Full time

Job summary

Gizli Şirket in Turkey seeks a Senior System Administrator with 5+ years to lead Windows server and infrastructure tasks. You will design automation in PowerShell, manage Hyper-V, AD, Exchange, SCCM, and ensure 7x24 reliability.

The role emphasizes security, documentation, and collaboration with IT teams to maintain robust, compliant systems. The ideal candidate will implement best practices, coordinate with cross-functional teams, and contribute to strategic IT planning while supporting

Qualifications

• BSc in Computer Science/Engineering or equivalent.
• Extensive experience with Hyper-V, AD, Exchange and SCCM.
• Strong PowerShell scripting and automation skills.
• Proven ability to design, implement, and document IT infrastructure.
• Excellent communication and ITIL awareness.

Responsibilities

• Design and create PowerShell scripts for daily operations.
• Troubleshoot production issues with 7x24 support.
• Monitor and tune system performance.
• Plan software upgrades and capacity annually.
• Maintain security documentation per ISMS.
• Prepare tender docs and technical designs.
• Support IT issues not covered by standard services.
• Advise on hardware/software purchases.

Skills

Windows Server administration

Active Directory / GPO

PowerShell scripting

Hyper-V virtualization

Exchange Server / O365

ITIL Change & Configuration Mgmt

Networking basics

Documentation & reporting

Security/compliance

Education

Bachelor's degree in Computer Science/Computer Engineering or similar

Tools

Hyper-V

SCVMM

SCCM

WSUS

Active Directory

DNS/DHCP

Group Policy

IIS

PKI / Certificate Services

O365/Hybrid

Job description

Gizli Şirket in Turkey seeks a Senior System Administrator with 5+ years to lead Windows server and infrastructure tasks. You will design automation in PowerShell, manage Hyper-V, AD, Exchange, SCCM, and ensure 7x24 reliability.

The role emphasizes security, documentation, and collaboration with IT teams to maintain robust, compliant systems. The ideal candidate will implement best practices, coordinate with cross-functional teams, and contribute to strategic IT planning while supporting