System Administrator

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

Job summary

SAIC is seeking a skilled System Administrator in Colorado Springs, CO to manage and advance IT infrastructure within a regulated DoD environment. Responsibilities include Windows Server administration, AD, GPOs, and on-premises hypervisors like Nutanix/VMware/Proxmox to ensure high availability and security.

Ideal candidates have DoD compliance knowledge (STIGs/RMF), strong virtualization experience, and a track record of maintaining secure, robust systems supporting critical operations.

Qualifications

• Bachelor's degree in CS/IT or related field; alternative work experience considered.
• 8+ years of hands-on system administration or 5+ years with a Bachelor's; Master plus 3+ years.
• DoD/regulatory environment experience is required.
• Strong VMware and enterprise virtualization experience.
• Proficiency in Windows Server administration, Active Directory, and Group Policy.
• Knowledge of DoD compliance standards, STIGs and RMF.
• Experience with on-premises Type 1 hypervisors (Nutanix, VMware, Proxmox) and backups.

Responsibilities

• Install, configure, and maintain Windows Server environments including AD and GPOs.
• Manage on-premises hypervisors (Nutanix, VMware, Proxmox) for HA and performance.
• Implement and maintain DoD security controls per STIGs/RMF.
• Monitor network performance, diagnose issues, and improve reliability.
• Patch, update, and manage system maintenance to reduce downtime.
• Administer backups and conduct restore testing.
• Document system configurations, procedures, and security policies.
• Collaborate with cross-functional teams to enhance functionality and security.
• Stay current on emerging technologies and evolving DoD requirements.

Education

Bachelor's degree in Computer Science / Information Technology

Tools

Nutanix

Proxmox

VMware

Job description

Minimum Clearance Required TS.SCI

Location

Colorado Springs, CO, US

Date Posted

2026-09-18

Category

Information Technology

Subcategory

Sys Administrator

Schedule

Full-Time

Shift

Day Job

Travel

No

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 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 hand-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.

Qualifications

Required Qualifications

• High school diploma/GED with 8+ years of equivalent hand-on experience in a system administration role OR Bachelor's degree in Computer Science, Information Technology, or a related field with 5 years of relevant experience; Master and three years of more experience.
• Demonstrated experience as a System Administrator in a DoD or similarly regulated, security-conscious environment.
• Solid hand-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.
• Proficient in Windows Server administration, patching, and update management.
• Experience with on-premises Type 1 hypervisors (Nutanix, VMware, Proxmox preferred).
• Familiarity with enterprise collaboration and project management tools.
• Understanding of DoD compliance frameworks, STIGs, and security hardening standards.
• Experience with enterprise backup/recovery platforms and documented DR procedures.

Required Certifications

• CompTIA Security+ (DoD 8570/8140 compliant)
• Active TS/SCI clearance

Preferred Certifications (not Required)

• Microsoft Certified Azure Administrator Associate
• Nutanix Certified Professional or VMware Certified Professional (VCP)
• Cisco Certified Network Associate (CCNA)
• CompTIA Security X (Formerly CASP +)

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