Cyber Infrastructure Systems Engineer

L3Harris Technologies

Cyber Infrastructure Systems Engineer seeking expertise in managing Windows and Linux systems for secure IT environments in Colorado Springs. Responsible for implementing security controls and optimizing system performance.

Posted 5/23/2026full-timeColorado Springs • Colorado • 🇺🇸 United StatesMid-LevelSenior💰 $80,500 - $149,500 per yearWebsite

Tech Stack

Tools & technologies

DNSDockerLinuxMicroservicesOpenShiftSMTPTCP/IPVMware

About the role

Key responsibilities & impact

Configure, monitor, maintain, and troubleshoot Red Hat Linux systems (both physical and virtual).
Manage and maintain Windows systems to ensure their optimal performance and reliability.
Utilize virtualization technologies such as KVM, VMware, vSphere/vCenter, and microservices/containers (e.g., OpenShift, Docker) to enhance system functionality and efficiency.
Implement and maintain security controls in compliance with DoD security frameworks and RMF requirements, integrating RMF principles into ground-up builds and ongoing security administration.
Hands-on ACAS experience, including building and configuring ACAS virtual machines, performing vulnerability scans, analyzing results, and supporting remediation activities.
Ensure the smooth operation and maintenance of server systems and network infrastructure to support business continuity and performance.
Possess a strong understanding of network protocols and services including TCP/IP, DNS, DHCP, SMTP, and SNMP to manage and optimize network performance.
Monitor system performance and resource usage, identify potential problems, and implement solutions to maintain system resilience and security.

Requirements

What you’ll need

Bachelor’s Degree with a minimum of 4 years of relevant experience, or Graduate Degree with a minimum of 2 years of relevant experience, or in lieu of a degree, a minimum of 8 years of prior related experience.
Secret Clearance
DoD 8570.01-M IAT Level 2 Required
Professional Certifications: CCNA-Security, Security+ CE, or higher certification.
Current Linux Certifications such as RedHat Certification (RHCSA or RHCE) or CompTIA Linux+.
Experience working with continuous integration, build management, and automated test frameworks.
Experience integrating and administering cross-domain systems.
Experience utilizing virtualization technologies and backup solutions.
Experience in a dynamic, fast-paced, team-oriented environment.

Benefits

Comp & perks

health and disability insurance
401(k) match
flexible spending accounts
EAP
education assistance
parental leave
paid time off
company-paid holidays

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Red Hat LinuxWindows systemsKVMVMwarevSphereOpenShiftDockerACASnetwork protocolscontinuous integration

Soft Skills

troubleshootingproblem-solvingteam-orientedcommunicationadministrationmonitoringperformance optimizationsecurity administrationvulnerability analysisremediation support

Certifications

Bachelor’s DegreeGraduate DegreeSecret ClearanceDoD 8570.01-M IAT Level 2CCNA-SecuritySecurity+ CERedHat Certification (RHCSA or RHCE)CompTIA Linux+