Lockheed Martin · 6 hours ago
Sr. IT Systems Engineer- Secret- Onsite in Orlando, FL
Orlando, FL
Full-time
Onsite
Senior LevelLockheed Martin is on a journey of digital transformation, leveraging data and modernizing processes to maintain its position as a leader in Aerospace and Defense. They are seeking a Classified Linux IT Systems Engineer to support Linux systems for the Infrared Search and Track program, focusing on system administration, upgrades, and cyber compliance.
AerospaceCyber SecurityMachinery ManufacturingMilitaryNational SecurityRemote SensingSecurity
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
System administration of networks using Linux integrated into Windows Server Active Directory Domains
Coordinate and complete system upgrades and patching
Maintain system cyber compliance
Perform guidance and management for hardware, including diagnostics, troubleshooting, and maintenance on multiple architectures
Ensure the integrity and availability of applications as well as coordinate new application installations, upgrades, and customer support in classified areas
Responsible for implementing effective backup/recovery, resource accounting, and auditing procedures
Full-time onsite role, working the majority of the day in closed areas
Qualification
Required
System administration of networks using Linux integrated into Windows Server Active Directory Domains
Coordinate and complete system upgrades and patching
Maintain system cyber compliance
Perform guidance and management for hardware, including diagnostics, troubleshooting, and maintenance on multiple architectures
Ensure the integrity and availability of applications as well as coordinate new application installations, upgrades, and customer support in classified areas
Responsible for implementing effective backup/recovery, resource accounting, and auditing procedures
Full-time onsite role, working the majority of the day in closed areas
Active Secret or Top Secret security clearance (investigation within the past 5 years)
Preferred
Red Hat Certified System Administrator (RHCSA)
Experience with Kubernetes and container technologies such as Docker, AppTainer, and Podman
Experience building and/or working with hypervisors and in virtual environments, such as VMWare, KVM, Hyper-V, etc
Experience with windows active directory
Experience with layer 2 and layer 3 networking concepts
Experience with storage appliances
Experience with SELinux
Knowledge and experience implementing technical requirements on multiple operating systems for NISPOM Chapter-8, JAFAN, JSIG, DoD RMF, and other protection level caveats
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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