Systems Administrator

Responsibilities

• Administer and maintain Windows Server and Desktop environments (2016/2019/2022), including domain controllers, file servers, print servers, and application servers.
• Manage Active Directory (AD), including user/group management, OU structure, GPOs, DNS, DHCP, and replication.
• Provide Tier III support for Windows desktop environments, including OS deployment, patching, and troubleshooting.
• Support endpoint devices (Windows, macOS, and Linux where required), ensuring compliance with security baselines.
• Implement and maintain Microsoft Endpoint Configuration Manager (SCCM/Intune) for software distribution, patch management, and endpoint compliance.
• Operate and monitor physical and virtual infrastructure, including Hyper‑V and VMware platforms.
• Support backup and restore processes in line with Recovery Time Objectives (RTOs) and Recovery Point Objectives (RPOs).
• Maintain documentation of server configurations, rack layouts, cabling, power requirements, and capacity planning.
• Provide hands‑on support for network and server hardware in communication closets and data centers.
• Continuously monitor Windows servers, desktops, and virtualization platforms for availability, health, and performance.
• Detect and resolve bottlenecks, outages, and performance issues in line with SLAs.
• Use approved monitoring tools (e.g., SCOM, Solar Winds, Azure Monitor) and recommend enhancements to improve operational effectiveness.
• Track and report on capacity utilization, resource consumption, and licensing compliance.
• Maintain operational records such as maintenance logs, backup validation history, and asset inventories.
• Maintain and update the Configuration Management Database (CMDB) to track Windows servers, desktops, and dependencies.
• Submit all changes via the OIM‑approved change management system in accordance with the Change Control Review (CCR) process.
• Evaluate proposed changes for technical and cybersecurity risk, ensuring compliance with secure configuration baselines.
• Perform and document system patching, OS updates, and application upgrades in accordance with OIM policy.

• Bachelor’s Degree in Information Technology, Computer Science or a related field or equivalent relevant experience;
  Master’s Degree preferred.
• 8‑15 years of experience in information technology, systems administration or other IT related field.

• Demonstrated technical proficiency equivalent to industry‑recognized certifications, such as:
  Microsoft Certified:
  Windows Server Hybrid Administrator Associate, Microsoft Certified:
  Endpoint Administrator Associate, CompTIA Network+ or Cisco CCNA (networking fundamentals), Vendor‑specific certifications in firewalls, endpoint platforms, or virtualization.
• Proficiency in Power Shell scripting, automation tools, and CLI‑based administration.
• Strong knowledge of Active Directory, Windows Server, SCCM/Intune, and virtualization platforms.
• Ability to support Windows, macOS, and Linux endpoints as required.
• Familiarity with federal IT compliance standards (e.g., FISMA, NIST SP 800‑53).
• Experience with hybrid identity management (Azure AD Connect, federation, conditional access).
• Familiarity with Windows security baselines, compliance frameworks, and patch management policies.
• Strong troubleshooting skills for Windows OS, server roles, and virtualization issues.
• Excellent documentation and communication skills for technical and operational reporting.
• Knowledge of federal government IT best practices and standards.
• Experience with continuous monitoring and incident response in a federal environment.
• Understanding and application of FISMA (Federal Information Security Management Act) requirements.
• Familiarity with NIST (National Institute of Standards and Technology) Special Publications, particularly SP 800‑53 (Security and Privacy Controls for Information Systems and Organizations).
• Experience with the RMF process for federal information systems, including system categorization, control selection, implementation, assessment, and continuous monitoring.
• Strong skills in incident detection, response, and recovery, following federal guidelines and protocols.
• Knowledge of cloud…