System Administrator - Virtualization

SAIC; Colorado Springs (CO); On-site; USD 80,000 - 120,000; Full time

Job summary

SAIC seeks a skilled System Administrator to join our on‑site Colorado Springs team in a DoD environment. You will manage Windows Server, AD, and Group Policy, while servicing on‑premises Type 1 hypervisors (Nutanix/VMware/Proxmox) to ensure high availability.

You will implement DoD security controls, monitor performance, patch systems, and maintain backups. Collaboration with government customers and cross‑functional IT teams is essential for success.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or related field; 5 years of relevant experience, or HS diploma with 8+ years on‑site system administration experience.
• Active TS/SCI clearance required.
• On‑site at government facility in Colorado Springs; day shift with possible after‑hours support; limited local travel between sites.
• Experience as a System Administrator in a DoD or similarly regulated, security‑conscious environment.
• Active CompTIA Security+ certification required.
• Solid hands‑on experience with VMware and other enterprise virtualization technologies.
• Strong Windows Server administration, including Active Directory and Group Policy.
• Networking protocols, security best practices, and IT infrastructure management knowledge.
• Experience working with government customers and cross‑functional IT/security teams.
• Proven ability to create and maintain technical documentation, SOPs, diagrams, baselines.
• Experience with on‑premises Type 1 hypervisors (Nutanix, VMware, Proxmox) preferred.

Responsibilities

• Install, configure, and maintain Windows Server environments including Active Directory and Group Policy.
• Manage on‑premises Type 1 hypervisor platforms to ensure high availability and performance.
• Implement DoD security controls and STIGs/RMF requirements.
• Monitor network performance and diagnose connectivity issues.
• Manage system patching and update cycles to maintain compliance.
• Administer backup and recovery technologies and validate restore procedures.
• Document configurations, procedures, and security policies for audits.
• Develop runbooks and SOPs; maintain system configuration baselines.
• Collaborate with IT and security teams to enhance functionality and security posture.
• Engage with government customers and project managers to clarify requirements.

Skills

TS/SCI clearance

DoD environment

VMware

Windows Server administration

Education

Bachelor’s degree in Computer Science or related field

Tools

Nutanix

Proxmox

VMware

Job description

Minimum Clearance Required TS.SCI

Job ID 2617489

Location Colorado Springs, CO, US

Date Posted 2026-10-01

Category Information Technology

Subcategory Sys Administrator

Schedule Full-Time

Shift Day Job

Travel No

Minimum Clearance Required TS.SCI

Clearance Level Must Be Able to Obtain None

Potential for Remote Work ORA_ON_SITE

Description

SAIC is seeking a skilled and motivated System Administrator to join our team onsite in Colorado Springs and will 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.
• Build and maintain runbooks, standard operating procedures (SOPs), diagrams, and system configuration baselines.
• Partner with cross‑functional IT and security teams to evaluate, implement, and enhance system functionality and security posture.
• Interact effectively with government customers, project managers, and other stakeholders to understand requirements, communicate status, and resolve issues.
• Stay current on emerging technologies, industry best practices, and evolving DoD compliance requirements.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or a related field with 5 years of relevant experience; or High school diploma/GED with 8+ years of equivalent hands‑on experience in a system administration role.
• Active TS/SCI clearance required.
• Open to working day shift (with potential for after‑hours support) on site at government facility with occasional local travel between sites.
• Demonstrated experience as a System Administrator in a DoD or similarly regulated, security‑conscious environment.
• Active CompTIA Security+ certification required.
• Solid hands‑on experience with VMware and/or other enterprise virtualization technologies.
• Strong proficiency in Windows Server administration, including Active Directory and Group Policy.
• Working knowledge of networking protocols, system security best practices, and IT infrastructure management.
• Experience working in environments that require frequent interaction with government customers and cross‑functional IT/security teams.
• Proven experience creating and maintaining technical documentation, including SOPs, diagrams, and configuration baselines.
• Proficient in Windows Server administration, patching, and update management.
• Experience with on‑premises Type 1 hypervisors (Nutanix, VMware, Proxmox preferred).

Target salary range $80,001 - $120,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.