Senior Cyber Infrastructure Engineer - DoD System Admin

Jobtome; Rye (CO); On-site; USD 71,000 - 131,000; Full time

Benefits offered by this job

Health and disability insurance

401(k) match

FSAs

EAP

Education assistance

Parental leave

PTO

Company-paid holidays

Job summary

L3Harris Technologies in Colorado Springs, CO is seeking a skilled Cyber Infrastructure Systems Engineer (CISE) to join our DoD-cleared team. This role administers Windows servers and workstations, patches systems, enforces hardening, and ensures compliance with RMF controls in a mission-critical environment.

You will troubleshoot issues, monitor performance, and support accreditation activities with cybersecurity, network, and program teams.

Qualifications

• Bachelor's Degree and a minimum of 2 years of related experience.
• Graduate Degree or equivalent with 0–2 years of related experience.
• In lieu of a degree, minimum of 6 years of related experience.
• Secret Clearance and DoD 8570.01-M IAT Level 2 required.

Responsibilities

• Administer, maintain, and support Windows servers and workstations in a cleared DoD environment.
• Deploy OS patches, security updates, and hotfixes per maintenance schedules.
• Implement system hardening per DoD STIGs and policies.
• Perform vulnerability remediation and RMF control support.
• Monitor performance and ensure reliability of mission systems.
• Troubleshoot hardware/software/OS issues per security procedures.
• Maintain configuration management documentation.
• Coordinate with cybersecurity, network, and program teams for accreditation and secure operations.

Skills

Security clearance

DoD 8570.01-M IAT Level 2

CCNA-Security/Security+ CE

Education

Bachelor's Degree + 2 years

Graduate Degree or equivalent

6+ years in lieu of degree

Tools

KVM

VMware

vSphere/vCenter

OpenShift

Docker

RHEL

Job description

L3Harris Technologies in Colorado Springs, CO is seeking a skilled Cyber Infrastructure Systems Engineer (CISE) to join our DoD-cleared team. This role administers Windows servers and workstations, patches systems, enforces hardening, and ensures compliance with RMF controls in a mission-critical environment.

You will troubleshoot issues, monitor performance, and support accreditation activities with cybersecurity, network, and program teams.