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# Systems Engineer Principal

- **Company:** Science Applications International Corporation
- **Location:** North Charleston, SC, United States
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Distributed Systems, Modeling and Simulation, Enterprise Integration, Hardware Infrastructure
- **Published:** September 25, 2026
- **Apply:** https://www.careerarc.com/job-listing/saic-jobs-systems-engineer-principal-53128446

## About the Role

Required Education and Experience:

 * Bachelor's degree and nine (9) years of experience; four (4) additional years of work experience in lieu of a degree
 * Demonstrated experience in systems of systems engineering, including architecture design and development for EW or related defense systems
 * Experience with electronic warfare domains including electronic attack (EA), electronic protection (EP), and electronic support measures (ESM)
 * Experience with Cross-Domain Solutions and Naval Communications and Network integration
 * Experience with Model-Based Systems Engineering (MBSE) tools and methodologies

Required Clearance:

 * An active TS/SCI clearance is required to start

## Description

Description

SAIC is seeking an Systems Engineer Principal to join our team in support of Naval Electronic Warfare (EW) missions. In this senior-level role, you will be responsible for architecting and developing resilient, distributed systems capable of operating in disconnected, low-bandwidth, or unreliable network environments, integrating electronic attack, electronic protection, and electronic support measures across military platforms.

The candidate will sit at our customer site in North Charleston, SC.

Job Duties:

 * Design and develop scalable, modular software and hardware architectures for non-kinetic EW systems of systems, defining interfaces, specifications, and requirements in support of naval missions
 * Evaluate and select technologies, frameworks, and tools to meet mission requirements while staying current with advancements in EW, cyber, and information operations
 * Ensure seamless integration of non-kinetic capabilities with existing and future military platforms, including Cross-Domain Solutions and Naval Communications and Network integration
 * Analyze high-level requirements to develop detailed technical specifications for software and hardware components, ensuring compliance with military standards
 * Develop and utilize model-based systems engineering (MBSE) and modeling and simulation environments to quantify system performance, conduct trade studies, and support testing and validation

Qualifications

Required Education and Experience:

 * Bachelor's degree and nine (9) years of experience; four (4) additional years of work experience in lieu of a degree
 * Demonstrated experience in systems of systems engineering, including architecture design and development for EW or related defense systems
 * Experience with electronic warfare domains including electronic attack (EA), electronic protection (EP), and electronic support measures (ESM)
 * Experience with Cross-Domain Solutions and Naval Communications and Network integration
 * Experience with Model-Based Systems Engineering (MBSE) tools and methodologies

Required Clearance:

 * An active TS/SCI clearance is required to start

Desired Qualifications:

 * OMG Certified Systems Modelling Professional