GNC HWIL Senior Staff Engineer

Job ID: 715106BR Date posted: Jan. 14, 2026
Description:Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas.

Lockheed Martin is seeking a Guidance, Navigation and Control (GNC) Modeling & Simulation (M&S) Engineer to join the Hardware-in-the-Loop (HWIL) Center of Excellence (COE).

The HWIL GNC M&S Engineer will oversee the design, development and implementation of real-time, closed-loop HWIL capabilities. This individual will be a member of the engineering team developing the systems architecture and detailed designs for multiple HWIL capabilities.

What You Will Be Doing

Tasks for this position will include the definition of HWIL architecture, development of IFS real-time models and definition of interfaces to HWIL HW. The HWIL GNC Engineer will be involved in the design, development and testing of air vehicle SW, FW and HW and the integration of stimulation equipment into the HWIL facility. The HWIL GNC Engineer will support the integration team in debugging software, hardware, connectors, timing, and designs. They will also be involved in the integration, test, verification and validation of the system and various subsystems.

Duties:

• Development and integration of Real-Time Integrated Flight Simulation (IFS) with test equipment and flight-representative hardware
• Implementation of Models in Real-Time IFS
• HWIL Real-Time Architecture Development
• Hardware Test Equipment Integration
• Requirements & MBSE Architecture Development

Why Join Us

We are committed to supporting your work-life balance and overall well-being, offering flexible scheduling options Learn more about Lockheed Martin’s comprehensive benefits package here.

Further Information About This Opportunity:

This position is in Orlando. Discover more about our Orlando, Florida location.
Basic Qualifications:
• Bachelor’s degree from an accredited college in Electrical Engineering, Computer Engineering, Aerospace Engineering or equivalent experience/combined education

• Real-Time HWIL Simulation Experience

• Experience working in an Agile Development Environment

• Programming Languages: C, C++, C#, Matlab

• Experience with the Requirements Verification and Validation (V&V) process

• Active Secret Security Clearance with a current 5-year investigation
Desired Skills:
• Programming Languages: Python, Verilog, VHDL

• Root-Cause Analysis; Ability to Troubleshoot HW, SW & FW Issues

• Experience as an Engineer working with Multi-Disciplined Teams

• Experience using Configuration Management Systems such as Git

• Experience with CI/CD Pipelines

• Experience performing Missile 6DOF Simulation Design and Analysis and HWIL Design and Simulation Analysis

• Support Preflight System Performance Assessment and Post-Flight Verification Analyses
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: Secret
Other Important Information You Should Know
Expression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.
Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.
Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.
Schedule for this Position: 4x10 hour day, 3 days off per week
Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.
The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.
At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.

With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.

If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.
Experience Level: Experienced Professional
Business Unit: MISSILES AND FIRE CONTROL
Relocation Available: Possible
Career Area: Guidance, Navigation and Control
Type: Full-Time
Shift: First