Windows System Administrator
Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Aug 27, 2026. CACI International scores D on the Alion truth index.
The Opportunity:
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 FEMA enterprise and manage Group Policy Objects (GPOs) enterprise-wide to enforce security controls and permissions, ensuring consistent security configurations across all Windows systems
Responsibilities:
The Windows System Administrator will build, harden, patch, and maintain Windows servers across the FEMA enterprise and ensure servers stay updated through consistent patching to maintain operational resilience. This position requires implementing security configurations and applying security patches promptly while ensuring compliance with DISA STIGs and agency-specific security requirements. The Windows System Administrator will manage user accounts across the FEMA enterprise and manage Group Policy Objects (GPOs) enterprise-wide to enforce security controls and permissions, ensuring consistent security configurations across Windows systems. Responsibilities include handling vulnerability remediation activities for Windows-based systems, managing digital certificates for authentication and encryption, and maintaining system logging for auditing and compliance. The position involves supporting ICAM (Identity, Credential, and Access Management) requirements and executing recovery processes to ensure business continuity. The Windows System Administrator will maintain technical documentation for all administrative actions and perform logging, certificates, and recovery processes.
Qualifications:
U.S. Citizenship required
-FEMA EOD suitability or Current DHS or FEMA EOD preferred
-BS/BA + 8 years of applicable experience or equivalent combination
-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
-Experience with VXRails or Zscaler.
Desired:
- Active Secret security clearance
-Previous DHS or DoD experience with classified systems
-Knowledge of certificate management and PKI infrastructure
-Experience with disaster recovery and business continuity planning
-Familiarity with ICAM tools and privileged access management
-Experience other cybersecurity-related tools and systems
-Cloud security experience with AWS, Azure, or other platforms
-Experience with automated security tools and scripting
-What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose - to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
Since this position can be worked in more than one location, the range shown is the national average for the position.
The proposed salary range for this position is:
$90,300-$189,600CACI is an Equal Opportunity Employer.All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.