Senior Specialist, Systems Administrator

L3Harris Technologies

. Maintain, manage, configure, and troubleshoot Linux systems in secure program areas .

Posted 10/20/2026full-timeUnited StatesSenior💰 $79,500 - $147,500 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Linux systems administration, NetApp storage management, and security compliance, with a strong focus on system reliability and performance optimization. Proficient in automation scripting and collaboration with engineering teams to deliver effective technical solutions.

Highest-signal resume keywords

Linux Systems AdministrationNetApp Storage ManagementCompTIA Security+NIST Risk Management FrameworkAnsible Automation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Linux Operating SystemsNetApp Storage DevicesPowerShellBash ScriptingNessus Security CenterCisco/Ariba NetworkWindows Distributed File SystemActive DirectoryCommvault Backup SolutionVMware Virtualization

Soft Skills

CommunicationCollaborationProject Leadership

Certifications & Qualifications

CompTIA Security+CISSPDoD 8570 IAT Level I or Higher

Industry Keywords

System ReliabilityData IntegrityPerformance MonitoringCompliance StandardsSecurity Best Practices

Tech Stack

Tools & technologies

AnsibleLinuxTypeScriptVMware

About the role

Key responsibilities & impact

Maintain, manage, configure, and troubleshoot Linux systems in secure program areas
Install, configure, troubleshoot, upgrade, patch, and maintain Linux systems and related NetApp storage units
Maintain engineering software tools
Ensure system reliability, data integrity, and availability
Implement routine system updates and patches
Remediate findings and vulnerabilities while maintaining compliance with industry standards
Monitor system health and proactively identify and resolve performance issues
Develop and maintain scripts and tools for deployment automation
Collaborate with engineering teams to understand program requirements and deliver tailored technical solutions
Communicate complex technical issues and strategies to management and non-technical stakeholders
Lead IT projects at the local level
Perform other IT duties as required

Requirements

What you’ll need

Bachelor’s Degree and minimum 6 years of prior relevant experience, OR Graduate Degree and a minimum of 4 years of prior related experience, OR in lieu of a degree, minimum of 10 years of prior related experience
Four years of Linux and/or NetApp systems administration experience
Current/active TS/SCI security clearance and CI Polygraph are required
CompTIA Security+, CISSP, or any DoD 8570 IAT level I or higher approved certification
Ability to support overtime, as needed
Ability to lift equipment weighing 50 lbs
Ability to support up to 20% offsite travel
Experience working with Nessus Security Center
Experience with Cisco/Ariba Network and network protocols
Experience working with Windows Distributed File System (DFS)
Experience working with Active Directory
Experience with Commvault or similar backup solution
Experience managing systems under the NIST Risk Management Framework
Two years of experience with VMware or similar virtualization solutions
One year of experience with Ansible Automation
Strong knowledge of Linux operating systems, NetApp Storage Devices, networking protocols, PowerShell or Bash, and security best practices

Benefits

Comp & perks

Health and disability insurance
401(k) match
Flexible spending accounts
Employee Assistance Program (EAP)
Education assistance
Parental leave
Paid time off
Company-paid holidays