Lockheed Martin · 4 hours ago
Sr. IT Systems Engineer- Secret- Onsite in Orlando, FL
Orlando Florida
Full-time
Onsite
Mid, Senior Level
$86K/yr - $151K/yrLockheed Martin is on a journey of digital transformation as they leverage data and advance technology in the Aerospace and Defense industry. This role is for a Classified Linux IT Systems Engineer focused on supporting Linux systems for the Infrared Search and Track (IRST) program, involving system administration, cyber compliance, and application integrity management.
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
Active Secret Clearance
Ability to maintain a security clearance, and customers' acceptance
Must possess or be able to obtain within 6 months of start date a valid IAT Level II or III DoD Approved 8140 (DoD 8570) certification such as Security+, in good standing
Knowledge and experience with Linux distributions and environments
Scripting ability (yaml, powershell, bash, shell)
Experience with VS code or Visual Studios
Demonstrated experience effectively performing in a fast paced, dynamic environment
Ability to work through technical, project, operational, and resource challenges
Proven business acumen to manage multiple assignments and projects with the ability to balance technical requirements with business needs and affordability
Demonstrated collaboration, including interpersonal and teaming skills
Preferred
Active Secret or Top Secret security clearance (investigation within the past 5 years)
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
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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