System Administrator
SAIC · Colorado Springs
SAIC is seeking a skilled and motivated System Administrator in Colorado Springs, CO to join our team and play a key role in managing and advancing our IT infrastructure within a Department of Defense (DoD) environment. In this role, you will be responsible for maintaining robust, secure, and high-performing systems that support mission-critical operations.
The ideal candidate brings hands-on experience with enterprise virtualization platforms (Nutanix, VMware, and/or Proxmox), Windows Server administration, and a working knowledge of DoD security compliance standards. You are someone who takes ownership, communicates clearly across teams, and thrives in a regulated, security-first environment.
Responsibilities:
- Install, configure, and maintain Windows Server environments, including Active Directory, Group Policy, and user permissions management.
- Manage and optimize on-premises Type 1 hypervisor platforms (Nutanix, VMware, Proxmox) to ensure high availability and performance.
- Implement and maintain system security controls in accordance with DoD standards and applicable STIGs/RMF requirements.
- Monitor network performance, diagnose connectivity issues, and recommend improvements to infrastructure reliability.
- Manage system patching and update cycles to maintain compliance, reduce vulnerabilities, and minimize operational downtime.
- Administer and maintain backup and recovery technologies; conduct periodic validation of restore procedures.
- Create and maintain thorough documentation of system configurations, procedures, and security policies.
- Partner with cross-functional teams to evaluate, implement, and enhance system functionality and security posture.
- Stay current on emerging technologies, industry best practices, and evolving DoD compliance requirements.
We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.