Systems Administrator II — DoD IT & Security Support

Oneida Technical Solutions; Aurora (CO); On-site; USD 70,000 - 95,000; Full time

Job summary

Oneida Technical Solutions, LLC is seeking a Systems Administrator II at Buckley Space Force Station in Aurora, CO. You will maintain secure, high-availability IT systems in a DoD environment and support mission-critical operations.

The role requires 2–6 years of experience, strong Windows and Linux skills, virtualization (VMware/Hyper-V), DoD security knowledge, and an active Secret Clearance. Join a defense-focused team committed to excellence and reliability.

Qualifications

• Bachelor's degree in Computer Science, Information Systems, or related field.
• 2–6 years of systems administration experience.
• Proficiency with Windows and Linux operating systems.
• Experience with virtualization (VMware or Hyper-V).
• Experience with TCP/IP, DNS, DHCP.
• Knowledge of DoD security practices and compliance (e.g., DISA STIGs, RMF).
• Active Secret Clearance (interim acceptable).
• Certifications such as CompTIA Security+ or other IAT-Level II Certification or higher.
• Must be able to lift 50 lbs.

Responsibilities

• Administer, monitor, and maintain computer systems and networks, ensuring high availability and optimal performance.
• Perform daily system management tasks, including system backups, restores, patch management, and user administration.
• Implement and enforce cybersecurity policies to maintain the integrity and security of the system.
• Troubleshoot and resolve system hardware, software, and networking issues.
• Monitor system performance and perform tuning for optimal system operations.
• Assist in the planning and implementation of system upgrades and patches.
• Maintain documentation of system configurations, changes, and processes.
• Collaborate with team members and support personnel to identify and resolve complex issues.

Skills

Windows OS

Linux OS

VMware

Hyper-V

Networking TCP/IP DNS DHCP

DoD security practices

Communication

System troubleshooting

Education

Bachelor's degree in CS/IS or related field

Active Secret Clearance

Experience equivalent to degree

Tools

VMware vSphere

Hyper-V

DISA STIGs

RMF

Certification: CompTIA Security+ or IAT-Level II

Job description

Oneida Technical Solutions, LLC is seeking a Systems Administrator II at Buckley Space Force Station in Aurora, CO. You will maintain secure, high-availability IT systems in a DoD environment and support mission-critical operations.

The role requires 2–6 years of experience, strong Windows and Linux skills, virtualization (VMware/Hyper-V), DoD security knowledge, and an active Secret Clearance. Join a defense-focused team committed to excellence and reliability.