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Linux Administrator

Job

Techno-Comp, Inc.

Naperville, IL (In Person)

Full-Time

Posted 2 weeks ago (Updated 2 weeks ago) • Actively hiring

Expires 7/11/2026

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Job Description

Job Title:
Linux Administrator Location:
Naperville, IL Duration:
6 months We are seeking a highly experienced Senior Windows & Linux Administrator with 15+ years of expertise in managing enterprise infrastructure environments. The role requires deep technical knowledge in OS administration system upgrades security monitoring and production support across mission-critical systems. Key Responsibilities System Administration & UpgradesInstall configure and upgrade operating systems across Windows and Linux platforms Manage installation and upgrades of enterprise applications and runtime environments (e.g.| .NET| Java) Perform firmware and driver upgrades to ensure system compatibility and performance Apply latest OS patches security updates and service packs in compliance with enterprise policies Backup & Recovery Manage and validate full system backups and application data backups Configure and maintain VM snapshots for disaster recovery and rollback scenarios Ensure backup jobs are running successfully and validate restoration processes periodically Security & Compliance Install configure and maintain AntivirEDR solutions Apply and enforce enterprise security policies and hardening standards Manage and update certificates across servers and applications Identify and resolve vulnerability and compliance gaps Monitoring & Performance Management Configure and monitor CPU memory disk utilization and system performance metrics Monitor application logs and troubleshoot perform