Staff Linux/Windows Systems Administrator - Top Secret Clearance jobs in United States
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Lockheed Martin · 1 month ago

Staff Linux/Windows Systems Administrator - Top Secret Clearance

Lockheed Martin is focused on ensuring their customers can dominate the full Electromagnetic Spectrum. The Systems Administrator role involves supporting IT systems, managing operations, and enhancing security against cyber threats.

AerospaceCyber SecurityMachinery ManufacturingMilitaryNational SecurityRemote SensingSecurity
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Growth Opportunities
badNo H1BnoteSecurity Clearance RequirednoteU.S. Citizen Onlynote

Responsibilities

Work in an agile scrum environment providing support for implementation, troubleshooting and maintenance of various Information Technology (IT) systems
Manage IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices
Patch and harden Linux RedHat OS and works with Security personnel to protect against Cyber Threats

Qualification

Windows/Linux OS patchingRHEL/Ubuntu Repo managementVirtualization environmentsScripting PythonScripting BashScripting PowerShellCisco switch configurationCompTIA Security+ CertificationCompTIA Linux+/RHCSA CertificationTeamwork in fast-paced environmentAgile Scrum experienceEffective communication skills

Required

Windows and Linux OS patching/security hardening in a classified environment
Effective oral and written communication skills
Ability to work effectively in a rapid paced, team environment
CompTIA Security+ Certification (current – will be required within 6 months of start)
CompTIA Linux+ or Red Hat Certified Systems Administrator Certification
Ability to provide in-depth monitoring, able to identify and fix issues utilizing various troubleshooting techniques and procedures

Preferred

Experience with offline RHEL/Ubuntu Repo server management
Experience with virtualization environments (e.g. VMWare) and storage array networks (e.g. NetApp, TrueNAS appliances)
Scripting experience – Python, Bash, PowerShell
Boot image creation
Cisco switch configuration
Agile Scrum development experience

Benefits

Flexible schedules
Competitive pay
Comprehensive benefits

Company

Lockheed Martin

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Lockheed Martin is a global security and aerospace company that specializes in advanced technology systems, products, and services. It is a sub-organization of Lockheed Martin.

Funding

Current Stage
Public Company
Total Funding
$6.06B
Key Investors
Air Force Research Laboratory
2025-12-05Post Ipo Debt· $3B
2025-08-28Post Ipo Debt· $3B
2023-11-13Grant· $33.7M

Leadership Team

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Jim Taiclet
Chairman, President & CEO
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Craig Martell
Chief Technology Officer
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Company data provided by crunchbase