Lockheed Martin · 2 months ago
System Engineer Sr - level 3
Fort Worth, TX
Full-time
Onsite
Senior LevelLockheed Martin is a leading aerospace and defense company, and they are seeking a Senior Systems Engineer for their F‑35 Test Operations team. This role involves driving system integration and testing across the F‑35 program, developing test plans, and collaborating with various teams to ensure the aircraft’s modernization and readiness.
AerospaceCyber SecurityMachinery ManufacturingMilitaryNational SecurityRemote SensingSecurity
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Developing and maintaining detailed test plans that define scope, environments, lab setups, schedules, and resource allocation for F‑35 testing
Coordinating test execution across hardware‑in‑the‑loop, software‑in‑the‑loop, and mixed‑reality labs, ensuring alignment with program milestones
Partnering with cross‑functional teams (software, architecture, design, and system test) to integrate requirements and resolve technical challenges
Tracking and reporting test metrics while identifying opportunities for process improvement to support F‑35 modernization, sustainment, and new‑development efforts
Qualification
Required
You will need to be a US Citizen
Currently possess and be able to maintain a US DoD SECRET clearance
Successfully pass a drug and background check
Developing and maintaining detailed test plans that define scope, environments, lab setups, schedules, and resource allocation for F‑35 testing
Coordinating test execution across hardware‑in‑the‑loop, software‑in‑the‑loop, and mixed‑reality labs, ensuring alignment with program milestones
Partnering with cross‑functional teams (software, architecture, design, and system test) to integrate requirements and resolve technical challenges
Tracking and reporting test metrics while identifying opportunities for process improvement to support F‑35 modernization, sustainment, and new‑development efforts
Preferred
Experience with Integration and Test
Experience in developing and executing technical plans
Systems Engineering development and integration experience
Experience with requirement development that includes the scope of testing and the different testing environments
Experience in Mission Systems capabilities within aircraft platform(s)
Experienced working with multiple LM Aero F-35 engineering teams, such as System Design, Software, SWIT, or Integrated System Evaluation
F-35 Program Clearances
Benefits
Flexible work schedules
Comprehensive benefits investing in your future and security
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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