Systems Engineer Sr. Stf. - Orlando, FL or Dallas, TX

  • Lockheed Martin
  • Orlando, Florida
  • Full Time

You will be a Senior Staff System Design Requirements and Architecture Engineer at Lockheed Martin Missiles and Fire Control in Orlando, FL or Dallas, TX, responsible for developing a system architecture using Model Based Systems Engineering (MBSE) techniques. Our team is dedicated to delivering innovative solutions, and you will play a key role in developing models for current and future system designs, and serving as the focal point for the development and communication of the system architecture for various stakeholders.

What You Will Be Doing
You will be responsible for:
Developing a system architecture using MBSE techniques
Developing models for current and future system designs
Developing system and system element architectures, designs, and interface definitions
Supporting internal and external design reviews
Performing system architecture design using SysML based tools
Defining system functionality, including system states and modes
Defining system design for software requirements and functional interfaces
Synthesizing design characteristics into an implementable system architecture
Working with the requirements management team to ensure accuracy of the subsystem element model
Coordinating with the team for modeling and simulation scenarios, and predicted performance
Supporting system timelines and working with software and hardware teams
Documenting system design and implementation for various use case scenarios
Conducting model-based performance simulations to determine the impact of requirements changes on system performance and behaviors

Why Join Us
We're looking for a highly skilled and experienced Systems Design & Requirements Engineer to join our team. If you have a Bachelor's degree in an engineering discipline or equivalent professional experience, and experience with DOORS 9.7, we encourage you to apply. You should also have experience performing trade studies and be able to obtain a DoD Secret clearance, as U.S. citizenship is required. As a detail-oriented and analytical individual with excellent technical skills, you will thrive in this role, contributing to the success of our programs and advancing your career in a dynamic and supportive environment.

MUST BE A U.S. CITIZEN - This position is located at a facility that requires special access. The selected candidate must have the ability to obtain a Secret Security Clearance. An Interim Secret Clearance is required to start.

Bachelors degree or higher in an engineering discipline or equivalent professional experience with 10+ years professional experience
Familiar with DOORS, MATLAB, Model Based Systems Engineering (MBSE) using Cameo and Data Hub.
Experience with requirements derivation and traceability management
Interim Secret Clearance is required to start Proficient in DOORS, MATLAB, Python, Model Based Systems Engineering (MBSE) using Cameo and Data Hub
Experience performing trade studies
Understanding of advanced missile and/or sensor system design principles is preferred
Job ID: 522784330
Originally Posted on: 5/28/2026

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