DoD-Cleared Cyber Infra Engineer — Windows Admin

Jobtome; Peyton (WI); On-site; USD 71,000 - 131,000; Full time

Benefits offered by this job

health and disability insurance

401(k) match

flexible spending accounts

EAP

education assistance

parental leave

paid time off

company-paid holidays

Job summary

L3Harris Technologies in Colorado Springs, CO seeks a Cyber Infrastructure Systems Engineer (CISE) to administer Windows servers in a DoD-cleared enterprise. You will patch, harden, monitor, and troubleshoot to ensure security and reliability across mission systems.

The role requires DoD 8570.01‑M IAT Level 2, CCNA‑Security or Security+ CE, and the ability to coordinate with cybersecurity, network, and program teams for accreditation and incident response in controlled environments.

Qualifications

• Bachelor's degree and a minimum of 2 years of prior related experience.
• Graduate Degree or equivalent with 0 to 2 years of prior related experience.
• In lieu of a degree, minimum of 6 years of prior related experience.
• Secret Clearance and DoD 8570.01‑M IAT Level 2 Required.
• Professional Certifications: CCNA‑Security, Security+ CE, or higher.

Responsibilities

• Administer, maintain, and support Windows-based servers and workstations within a cleared enterprise DoD environment.
• Manage deployment of OS patches, security updates, and hotfixes per maintenance schedules.
• Implement system hardening using DoD security standards and policy.
• Perform vulnerability remediation and RMF/POA&M tracking for audit readiness.
• Monitor performance, availability, and preserve mission system reliability.
• Troubleshoot hardware, software, OS, and access issues per security procedures.
• Maintain configuration records and documentation for compliance inspections.
• Coordinate with cybersecurity, network, and program teams for accreditation and incident response.

Skills

Security clearance

DoD security standards

Education

Bachelor's Degree + 2 years experience

Graduate Degree or equivalent + 0-2 years

In lieu of a degree, 6+ years related experience

Tools

CCNA-Security

Security+ CE

DoD 8570.01‑M IAT Level 2

Job description

L3Harris Technologies in Colorado Springs, CO seeks a Cyber Infrastructure Systems Engineer (CISE) to administer Windows servers in a DoD-cleared enterprise. You will patch, harden, monitor, and troubleshoot to ensure security and reliability across mission systems.

The role requires DoD 8570.01‑M IAT Level 2, CCNA‑Security or Security+ CE, and the ability to coordinate with cybersecurity, network, and program teams for accreditation and incident response in controlled environments.