Window System Administrator

CACI•National Harbor, MD

3d•Onsite

About The Position

CACI is searching for a Windows System Administrator to support the FEMA Office of the Chief Information Security Officer (OCISO) in Washington, D.C. As a Windows System Administrator, you will play a crucial role in ensuring the security and operational resilience of FEMA's Windows-based infrastructure. You will work in a dynamic environment, collaborating with cybersecurity professionals, system owners, and enterprise administrators to implement and maintain secure server configurations and identity management solutions. Your efforts will directly contribute to safeguarding FEMA's mission-critical systems and data. The Windows System Administrator will be responsible for securing Windows-based infrastructure supporting operational resilience, hardening, patching, identity management, and control implementation across the FEMA enterprise. This position requires building, hardening, patching, and maintaining Windows servers to ensure they stay updated through consistent patching. The Windows System Administrator will manage user accounts across the entire FEMA enterprise and manage Group Policy Objects (GPOs) enterprise-wide to enforce security controls and permissions, ensuring consistent security configurations across all Windows systems.

Requirements

U.S. Citizenship required - FEMA EOD suitability or Current DHS or FEMA EOD preferred
MA + 7 years of applicable experience in Windows system administration
Minimum 7 years of experience in Windows system administration
Demonstrated expertise in Windows Server infrastructure, Active Directory, and Group Policy
Experience with DISA STIGs and security hardening best practices
Knowledge of vulnerability remediation and patch management processes
Experience with identity and access management systems
Strong understanding of Windows security logging and auditing.

Nice To Haves

Previous DHS or DoD experience
Experience with PowerShell scripting and automation
Knowledge of certificate management and PKI infrastructure
Experience with disaster recovery and business continuity planning
Familiarity with ICAM tools and privileged access management
Experience supporting 24/7 operations

Responsibilities

Build, harden, patch, and maintain Windows servers across the FEMA enterprise and ensure servers stay updated through consistent patching to maintain operational resilience.
Implement security configurations and apply security patches promptly while ensuring compliance with DISA STIGs and agency-specific security requirements.
Manage user accounts across the entire FEMA enterprise and manage Group Policy Objects (GPOs) enterprise-wide to enforce security controls and permissions, ensuring consistent security configurations across all Windows systems.
Handle vulnerability remediation activities for Windows-based systems.
Manage digital certificates for authentication and encryption.
Maintain system logging for auditing and compliance.
Support ICAM (Identity, Credential, and Access Management) requirements.
Execute recovery processes to ensure business continuity.
Maintain technical documentation for all administrative actions.
Perform logging, certificates, and recovery processes.
Design and implement plans of action and milestones to remediate findings from vulnerability and risk assessments.
Configure and validate secure systems.
Test security products and systems to detect computer and information security weakness.