DoD Cyber Infrastructure Systems Engineer | Windows Admin

Jobtome; Florence (SC); On-site; USD 71,000 - 131,000; Full time

Benefits offered by this job

Health insurance

401(k) match

Flexible spending accounts

EAP

Job summary

L3Harris Technologies is seeking a skilled Cyber Infrastructure Systems Engineer to join our Colorado Springs, CO team. You will administer Windows servers/workstations in a DoD-cleared enterprise, manage patches, and implement system hardening to strengthen security and maintain RMF compliance.

You will collaborate with cybersecurity, network, and program teams to support accreditation, incident response, and secure operations in controlled environments, while pursuing ongoing improvement of

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.
• DoD 8570.01-M IAT Level 2 Required.
• Professional Certifications: CCNA- Security, Security+ CE, or higher certification.

Responsibilities

• Administer, maintain, and support Windows-based servers and workstations within a cleared enterprise or mission-critical DoD environment.
• Manage the deployment of operating system patches, security updates, and hotfixes in accordance with approved maintenance schedules and security requirements.
• Implement and sustain system hardening measures using applicable DoD security standards, STIGs, and organizational cybersecurity policies.
• Perform vulnerability identification and remediation activities to support compliance with RMF controls, POA&M tracking, and audit readiness efforts.
• Monitor system performance, availability, and operational health to ensure reliability and continuity of mission systems.
• Troubleshoot and resolve hardware, software, operating system, and access-related issues while adhering to established security procedures.
• Maintain accurate system configurations, change records, and technical documentation to support configuration management and compliance inspections.
• Coordinate with cybersecurity, network, and program teams to support accreditation activities, incident response, and secure system operations in classified or controlled environments.

Skills

Windows Server Admin

Patch management

System hardening

RMF/DoD controls

Vulnerability remediation

Education

Bachelor's Degree

Graduate Degree

DoD 8570.01-M IAT Level 2

Tools

CCNA-Security

Security+ CE

Job description

L3Harris Technologies is seeking a skilled Cyber Infrastructure Systems Engineer to join our Colorado Springs, CO team. You will administer Windows servers/workstations in a DoD-cleared enterprise, manage patches, and implement system hardening to strengthen security and maintain RMF compliance.

You will collaborate with cybersecurity, network, and program teams to support accreditation, incident response, and secure operations in controlled environments, while pursuing ongoing improvement of