What You'll Do (Key Responsibilities)- Administer, maintain, and troubleshoot enterprise Windows Server and Linux/Unix systems.
- Manage core infrastructure services including Active Directory, Group Policy, DHCP, DNS-related support, and endpoint/server configuration tools.
- Support virtualization environments, including VMware vSphere or similar platforms.
- Perform system patching, hardening, vulnerability remediation, and configuration management for EUDs and Servers.
- Develop and maintain scripts using PowerShell, Python, or similar languages to automate administrative tasks.
- Support server hardware lifecycle activities, including rack installation, blade/server replacement, component upgrades, disk replacement, RAM upgrades, PCIe card installation, and related maintenance.
- Troubleshoot infrastructure issues across servers, storage, networking, applications, and authentication services.
- Provide escalated end-user support for complex issues, serving as the next level of support for Junior System Administrators / support staff.
- Use ServiceNow or similar ITSM/ticketing platforms to track incidents, requests, changes, and problem resolution.
- Coordinate with network, cybersecurity, engineering, and service desk teams to support infrastructure changes, incident response, and steady-state operations.
- Maintain accurate system documentation, standard operating procedures, diagrams, and operational runbooks.
- All other duties as assigned.
Required Skills & ExperienceEducation & Career History
- Bachelor's degree in Computer Science, Information Technology, or a related field plus at least 3 years of dedicated System Administration experience.
- OR 7+ years of progressive, hands-on experience in enterprise systems administration.
Security Clearance
- Active secret security clearance
Windows Server & Directory Services
- Proficiency in administering Windows Server, Active Directory, Group Policy (GPO), DHCP scopes, and MECM/SCCM collections and deployments.
Virtualization
- Experience working with virtualization platforms, particularly VMware vSphere
Scripting & Automation
- Proficiency in PowerShell or Python for task automation and systems management
Linux / Unix
- Experience configuring and managing RHEL, Ubuntu, or other Linux/Unix systems
Networking Knowledge
- Basic knowledge of IP networking concepts including switching, routing, subnetting, and Ports, Protocols & Service Management (PPSM)
Security & Compliance
- Experience supporting Risk Management Framework (RMF) activities including IAVM management, patch management, and STIG hardening across various systems
Hardware
- Hands-on experience with server hardware including rack mounting, blade server installation, and component-level maintenance (PCIe cards, RAM, drives, etc.)
Service Management
- Experience using ServiceNow or a comparable ITSM ticketing platform
Preferred QualificationsThe following are not required but will strengthen your application:
- Familiarity with container technologies such as Docker, or container orchestration platforms such as Kubernetes, VMware Tanzu, or Rancher
- Experience writing Splunk queries (SPL)
- Experience administering IIS web servers and/or SQL Server
- Experience with enterprise storage platforms such as NetApp ONTAP or Dell EMC OneFS
- Experience with identity and authentication technologies including SSO, SAML, ADFS, or Okta
