Windows Systems Administrator - TS/SCI with Polygraph

General Dynamics Information Technology • Herndon, VA

3d • $187,000 - $253,000 • Onsite

About The Position

GDIT is hiring a Windows Systems Administrator to support enterprise IT and classified and unclassified distributed environments at a customer site in Herndon, Virginia. The role maintains and develops Windows infrastructure, supports systems engineering and administration needs, and helps ensure service availability. It includes Tier 3 troubleshooting, system monitoring and capacity planning, software and patch deployment, scripting, and collaboration on automation and deployment processes. The position requires an active Top Secret/SCI clearance with polygraph and U.S. citizenship.

Requirements

• At least 10 years of Windows Systems Administration experience.
• Bachelor’s degree in Computer Science, Information Systems, or a similar relevant field, or equivalent experience.
• Strong background in Microsoft Systems Engineering and support.
• Experience with Microsoft operating systems, including Windows Server 2016 or later.
• Experience with Active Directory health, Sites and Services and replication, Group Policy implementation including registry changes, permissions for user accounts, OUs and shares, DNS, DHCP, and LDAP integration with non-Microsoft applications.
• Experience maintaining and managing Microsoft Endpoint Configuration Manager (MECM), including software package creation and distribution, imaging virtual and physical Windows workstations and servers, patch management, and Windows Defender integration.
• Strong knowledge of Windows workstations and servers virtualized on VMware.
• Current experience with the Sponsor’s classified and unclassified distributed work environment architectures and systems.
• Ability to provide Tier 3 troubleshooting and respond promptly to restore or maintain system functionality.
• Familiarity with Jira and Confluence.
• Active Top Secret/SCI clearance with polygraph.
• U.S. citizenship.

Nice To Haves

• MCSE certification.
• Knowledge of security best practices and technologies, including patch management and Windows system hardening.
• Familiarity with PowerShell scripts, including running and editing them.
• Knowledge of customer enterprise services and customer-specific compliance requirements.
• Experience managing MFA implementations.
• In-depth knowledge of VMware and ESXi.
• Previous experience with storage devices, including NetApp.
• Ability to understand and communicate technical ideas across technical and non-technical stakeholders.
• Experience scripting system administration tasks in PowerShell.

Responsibilities

• Proactively maintain and develop Windows infrastructure to support 24x7x365 uptime.
• Engineer systems administration solutions for project and operational needs.
• Maintain best practices for managing systems and services across environments.
• Perform fault-finding, analysis, and logging to report performance exceptions.
• Monitor system performance and conduct capacity planning.
• Manage, coordinate, and implement software upgrades, patches, and hot fixes on servers and workstations.
• Create and modify scripts or applications to perform tasks.
• Recommend ways to improve environmental stability, security, efficiency, and scalability.
• Collaborate with teams to develop automation strategies and deployment processes.
• Respond immediately when needed to restore or maintain system functionality through Tier 3 troubleshooting.
• Maintain and manage Microsoft Endpoint Configuration Manager, including software packages and distribution, system imaging, patch management, and Windows Defender integration.
• Manage a stand-alone Microsoft Certificate Authority.

Benefits

• 401(k) with company match.
• Medical plan options, including plans with Health Savings Accounts.
• Dental insurance.
• Vision insurance.
• Paid vacation and holidays.
• Paid education and certifications.
• Professional growth opportunities and internal career mobility support.
• Paid parental, military, bereavement, jury duty, sick, and personal leave.
• Short- and long-term disability benefits.
• Life, accidental death and dismemberment, personal accident, critical illness, and business travel and accident insurance are provided or available.
• Full flex work weeks where possible.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior