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 customers can dominate the full Electromagnetic Spectrum while delivering full-spectrum cyber capabilities. As a Systems Administrator on the ECIW team, you will provide support for IT systems, manage operations, and ensure 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

Linux system administrationWindows system administrationCybersecurity hardeningVirtualization technologiesNetwork setup/modernizationScripting PythonScripting BashScripting PowerShellAgile Scrum experienceCompTIA Security+ CertificationCompTIA Linux+ CertificationEffective communicationTeam collaboration

Required

Bachelor's degree in a related discipline with 5+ years of professional experience, or equivalent experience/ combined education
Experience with both Linux and Windows system administration, including installing, patching, troubleshooting and hardening Linux and Windows operating systems (both bare-metal and virtual machines)
System Administration knowledge of LAN and WAN networking topographies, Virtualization Technologies
Experience with new network setup/modernization
Must currently have an active Top Secret Clearance

Preferred

Windows and Linux OS patching/security hardening in a classified environment
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
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
Agile Scrum development experience

Benefits

Medical
Dental
Vision
Life Insurance
Short-Term Disability
Long-Term Disability
401(k) match
Flexible Spending Accounts
EAP
Education Assistance
Parental Leave
Paid time off
Holidays

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