Sr System Administrator

North Charleston, South Carolina

Responsibilities:

Lead Windows system administration tasks including configuration, patching, and performance tuning for Windows Server 2012/2016 , SQL Server 2014 , and Windows 10 environments.
Oversee installation, upgrades, and support of software and hardware in line with military systems architecture and IT policies.
Configure and maintain Active Directory , Group Policy , and Exchange environments for secure, high-availability operations.
Support workstation imaging , deployment, and management using enterprise-level tools.
Perform HBSS configuration and deployment , and support system compliance through IAVA, STIGs, and ACAS standards.
Troubleshoot and resolve issues related to Windows domains , network services (DNS, DHCP, WINS), registry settings, and directory structures.
Provide Tier 1 and Tier 2 support , escalating complex issues when necessary.
Monitor and optimize system and network performance for operational continuity.
Maintain accurate documentation of system configurations, processes, and troubleshooting steps.
Mentor junior administrators, supporting a collaborative and knowledge-sharing environment.
Participate in long-term strategic planning of military systems infrastructure, incorporating evolving technologies.

Qualifications:

Clearance : Active Secret Clearance required
Education : Bachelor’s degree in Information Technology, Computer Science, or related field preferred
Experience : Several years of hands-on system administration experience in DoD or secure environments
Required Skills :
Strong expertise in Windows Server 2012/2016 and Microsoft SQL Server 2014
Basic proficiency with Red Hat Enterprise Linux 6+
Proven experience with Active Directory , Group Policy , and Exchange installation and maintenance
Familiarity with HBSS , STIGs , IAVA , and ACAS security compliance
Proficient in troubleshooting registry, networking, and Windows services
Experience with software distribution , workstation imaging , and system rollout
Preferred Skills :
Security+ or other DoD 8570 compliant certification
Scripting/automation (e.g., PowerShell, Bash, Ansible)
Virtualization experience with VMware or Hyper-V
Exposure to cloud platforms is a plus