Cyber Infrastructure Engineer - Windows & DoD Security

L3Harris Technologies, Inc.; Colorado Springs (CO); On-site; USD 71,000 - 131,000; Full time

Benefits offered by this job

Health and disability insurance

401(k) match

Flexible spending accounts

Employee education assistance

Parental leave

Paid time off

Company-paid holidays

Job summary

L3Harris Technologies in Colorado Springs, CO is seeking a Sr. Associate, Cyber Infrastructure Systems Engineer - System Administration to join a DoD-cleared environment.

The role focuses on administering Windows servers, applying patches, and enforcing security hardening per RMF/DoD standards. Candidates should have a Bachelor’s and 2+ years of related experience, Secret clearance, and DoD 8570-M IAT Level 2 certifications.

Qualifications

• Bachelor’s Degree and a minimum of 2 years of prior related experience (or 0–2 years with Graduate Degree; or 6 years in lieu of degree).
• Secret Clearance required.
• DoD 8570.01-M IAT Level 2 certifications: CCNA-Security, Security+ CE, or higher.

Responsibilities

• Administer, maintain, and support Windows-based servers/workstations in a cleared DoD environment.
• Manage OS patches, security updates, and hotfixes per maintenance schedules.
• Implement system hardening per DoD STIGs and security policies.
• Remediate vulnerabilities to support RMF controls and audits.
• Monitor performance and ensure mission system reliability.
• Troubleshoot hardware, software, and access issues per security procedures.
• Maintain documentation for CM and inspections.
• Coordinate with cybersecurity, network, and program teams for accreditation and incident response.

Skills

Secret Clearance

DoD 8570.01-M IAT Level 2 certs

Education

Bachelor’s Degree + 2 years experience OR 6 years experience in lieu of degree

Tools

KVM

VMware

OpenShift

Docker

RHEL

Job description

L3Harris Technologies in Colorado Springs, CO is seeking a Sr. Associate, Cyber Infrastructure Systems Engineer - System Administration to join a DoD-cleared environment.

The role focuses on administering Windows servers, applying patches, and enforcing security hardening per RMF/DoD standards. Candidates should have a Bachelor’s and 2+ years of related experience, Secret clearance, and DoD 8570-M IAT Level 2 certifications.