Lockheed Martin · 4 days ago
Linux System Administrator, Stf - TS/SCI W/Poly- Onsite: Sunnyvale, CA
Sunnyvale, CA
Full-time
Onsite
Mid LevelLockheed Martin is a leader in aerospace and defense, and they are seeking a Linux System Administrator to support their classified IT operations. The role involves system upgrades, maintenance, and ensuring the security of Linux operating systems in classified environments.
AerospaceCyber SecurityMachinery ManufacturingMilitaryNational SecurityRemote SensingSecurity
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Install/configure Linux operating systems and software applications
Perform periodic audits of system security settings
Install operating system security patches and firmware updates
Create/manage security groups
Coordinate hardware repair activities
Diagnose and resolve hardware/software problems/issues
Create scripts to automate system administration tasks
Provision virtual environments using VMware
Qualification
Required
Must have an Active TS/SCI clearance with a CI Poly
Must be a U.S. Citizen
Must have a DoD 8572 qualified certification such as CompTIA Security+ (or be able to acquire within 60 days)
Direct work experience with Operating System life cycle management and configuration management (i.e., Installation/Upgrades, System Imaging, Account Management, SSSD and LDAP, Hardware Modernization, Performance Monitoring, Ansible, etc.)
Direct work experience using and administrating Unix or Linux Operating Systems
Direct work experience with scripting and automation (i.e., Ansible, Python, Bash, PowerShell, etc.)
Must have a solid understanding of Linux file permissions, and log-file troubleshooting tactics
Knowledge of VMware for virtualization of servers
Install/configure Linux operating systems and software applications
Perform periodic audits of system security settings
Install operating system security patches and firmware updates
Create/manage security groups
Coordinate hardware repair activities
Diagnose and resolve hardware/software problems/issues
Create scripts to automate system administration tasks
Provision virtual environments using VMware
Preferred
Knowledge of National Industrial Security Program Operating Manual (NISPOM), Risk Management Framework (RMF) and Security Technical Implementation Guide (STIG) Requirements
Direct work experience interfacing with vulnerability remediation tools and security management tools used for system hardening, log management, and configuration management (ex: Nessus, McAfee, WSUS, Yum/DNF, SCCM, Ivanti, Shavlik, Blade Logic, Splunk, ACAS, SCAP, HBSS, etc.)
Knowledge of container creation and management (Docker, Podman, Kubernetes, etc.)
Knowledge of DevOps tools (Git, GitLab, BitBucket, etc…)
Experience with HPC systems
Knowledge of Linux authentication with Active Directory (SSSD)
Experience with OpenShift or similar kubernetes platforms
Experience building and managing Podman or Docker containers
Company
Lockheed Martin
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.
Founded in 1912
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$6.06BKey Investors
Air Force Research Laboratory
2025-12-05Post Ipo Debt· $3B
2025-08-28Post Ipo Debt· $3B
2023-11-13Grant· $33.7M
Leadership Team
Jim Taiclet
Chairman, President & CEO
Craig Martell
Chief Technology Officer
Recent News
The Motley Fool
2026-02-07
2026-02-07
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