Network Operations Center – Windows System Administrator

L3Harris Technologies

Network Operations Center Administrator for L3Harris technologies, managing Windows systems with Top Secret clearance. Collaborating with cybersecurity to ensure optimal performance and security compliance.

Posted 6/20/2026full-timeColorado Springs • Colorado • 🇺🇸 United StatesJuniorMid-LevelWebsite

Tech Stack

Tools & technologies

Cyber SecurityLinux

About the role

Key responsibilities & impact

Install, configure, and maintain Windows operating systems and related hardware/software across the enterprise
Provide advanced troubleshooting for Windows workstations, including OS, application, and hardware issues
Manage Windows and Linux servers across production, staging, and training environments: OS/image deployment, configuration, patching, backups/restores, and capacity optimization
Execute IAVA/STIG compliance activities: run scans (ACAS/SCAP), apply STIG/IAVM remediations, validate fixes, and track compliance timelines for CCRI/CVE requirements
Deploy enterprise applications and OS patches; coordinate testing, integration, and rollback procedures to preserve availability
Monitor system health and performance, investigate incidents, perform root‑cause analysis, and coordinate escalations and post‑deployment support
Maintain platform SOPs, baseline configurations, runbooks, and change records to support configuration management and audit readiness
Produce operational reports, compliance dashboards, and evidence packages for RMF/ATO and inspection activities
Coordinate with cybersecurity, NOC/NOSC, application owners, and vendors to remediate vulnerabilities and validate mitigations
Support lifecycle activities: upgrades, capacity planning, licensing, and continuous improvement of system hardening and resilience
Manage user accounts, permissions, and group policies via Active Directory
Deploy and manage devices using endpoint management solutions
Oversee system updates, BIOS/driver updates, and security patches
Automate routine tasks and deployments using PowerShell and other scripting tools
Provide technical support to end-users, resolve tickets, and ensure high customer satisfaction
Participate in system upgrades, migrations, and hardware lifecycle management

Requirements

What you’ll need

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 3 years of prior networking troubleshooting experience
Must have a Top Secret clearance with eligibility to SCI
Sec+ required

Benefits

Comp & perks

Health insurance
401(k) retirement plans
Paid time off
Flexible work arrangements

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Windows operating systemsLinux serversOS/image deploymentIAVA complianceSTIG compliancePowerShellendpoint managementtroubleshootingcapacity optimizationroot-cause analysis

Soft Skills

customer satisfactiontechnical supportincident investigationcoordinationcontinuous improvementcommunicationproblem-solvingcollaborationorganizational skillsattention to detail

Certifications

Bachelor's DegreeGraduate DegreeTop Secret clearanceSec+