Lockheed Martin · 2 months ago
Linux Systems Administrator / Secret / Onsite: Huntsville, AL
Huntsville Alabama
Full-time
Onsite
Mid Level
$81K/yr - $140K/yrLockheed Martin is a leading technology innovation company headquartered in Bethesda, Maryland, and is seeking an experienced IT professional to support classified program areas in Huntsville, Alabama. The role involves managing and maintaining Linux systems, ensuring compliance with security standards, and providing application support to program engineers.
AerospaceCyber SecurityMachinery ManufacturingMilitaryNational SecurityRemote SensingSecurity
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Installing, configuring, securing, hardening, remediating, testing, upgrading and decommissioning of Linux Workstations, servers, network switches, virtual servers, physical servers, client workstations and network-attached storage equipment
Application support to program engineers
Responsible for the ongoing operations, maintenance and continuous improvement of multiple classified IT program environments
Ensure that the Space IT systems are managed, controlled and compliant with the Security Technical Implementation Guide (STIG) and the Risk Management Framework (RMF)
Requires you to be on-site, and includes some off-shift work, on-call rotation, and occasional weekend activities
Qualification
Required
This position requires a Secret Clearance to start, with the ability and willingness to obtain and maintain DOD Top Secret clearance, with the ability to maintain that clearance throughout the position lifecycle (US Citizenship is required for access to the work facility)
This position requires the ability to obtain a DoD 8570.01-M IAT Level II or III certification (i.e. Security+, CASP, CISSP), within 6 months of starting the position
Experience with Linux/UNIX Server and Desktop Operating Systems (i.e. RH 7.x, RH 8.x, etc.)
Experience with Operating Systems life cycle management and configuration management (i.e., Installation/Upgrades, System Imaging, Account Management, Print Services, Domain Services, Hardware Modernization, Performance Monitoring, etc.)
Experience supporting daily incident response (i.e., Helpdesk, etc.)
Experience performing vulnerability remediation and security management (i.e. system hardening, log management, antivirus management, security certificate installs and renewals)
Ability to lift 30 lbs
Preferred
Systems Administration experience supporting United States Government classified environments
Experience creating Ansible Playbooks
Experience with Red Hat OpenShift
Fundamental understanding of authentication mechanisms such as Kerberos, LDAP and NTLM and use of necessary tools to troubleshoot them
Understanding of technology areas such as Active Directory, DHCP, DNS, Group Policy and WSUS
Knowledge of network protocols such as TCP/IP, UDP, SMTP, NFS, FTP, Telnet and SSH
Installation and configuration experience of Microsoft Windows 10 or 11 workstations and peripherals
VMware experience (VSphere vCenter, ESXi, KVM)
Active Top Secret Clearance
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
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
2026-01-22
2026-01-17
Technology - WSJ.com
2026-01-17
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