Windows System Administrator
Job in
Duluth, Gwinnett County, Georgia, 30155, USA
Listed on 2026-07-08
Listing for:
Tier4 Group
Full Time
position Listed on 2026-07-08
Job specializations:
-
IT/Tech
Systems Administrator, Windows Server, Cloud Computing: Infrastructure & Operations
Job Description & How to Apply Below
Our client is seeking a seasoned Senior Windows System Administrator to take ownership of maintaining, optimizing, and securing their Microsoft-based infrastructure. This individual will play a critical role in ensuring high system availability, supporting enterprise applications, and leading initiatives to enhance performance, scalability, and automation across the IT environment.
Key Responsibilities- Manage, monitor, and maintain Windows Server environments (2016/2019/2022) and Active Directory infrastructure.
- Administer and support Group Policy, DNS, DHCP, and other core Windows services.
- Oversee patch management, system upgrades, and performance tuning to ensure optimal uptime and security.
- Manage virtualization environments (VMware or Hyper‑V) and perform regular capacity planning and optimization.
- Implement and support backup, disaster recovery, and business continuity solutions.
- Partner with Security teams to maintain compliance and implement security best practices across all systems.
- Develop automation scripts and tools using Power Shell or similar scripting languages to streamline administrative tasks.
- Provide advanced troubleshooting and escalation support for complex system and application issues.
- Document infrastructure configurations, procedures, and operational standards.
- Mentor junior system administrators and contribute to process improvements and technology roadmaps.
- Bachelor’s degree in Information Technology, Computer Science, or related field (or equivalent experience).
- 7+ years of experience in Windows system administration in an enterprise environment.
- Strong expertise with Windows Server, Active Directory, and Microsoft 365 administration.
- Experience managing virtualization platforms (VMware vSphere or Microsoft Hyper‑V).
- Proficiency in Power Shell scripting and task automation.
- Knowledge of cloud environments (Azure or AWS) and hybrid integrations is preferred.
- Familiarity with security frameworks, patching tools, and monitoring systems (e.g., SCCM, Solar Winds, or equivalent).
- Excellent problem-solving, communication, and documentation skills.
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