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# Software Systems Engineer Level 3

- **Company:** Indotronix International Corporation
- **Location:** Los Angeles, CA, United States
- **Contract:** Permanent contract
- **Skills:** Testing (Software), Activity Diagram, Systems Engineering, Embedded Software, Hardware Design, Software Architecture, Software Engineering, Software Requirements Analysis, Software Systems, Subsystems, Systems Architecture, Systems Integration
- **Published:** July 14, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9030181/software-systems-engineer-level-3

## About the Role

* Bachelor's Degree in Engineering.
 * Experience with systems engineering tools such as DOORS and CAMEO.
 * Experience with embedded software and ability to read and verify code against software requirements.
 * Experience with system, subsystem, software, and hardware integration, testing, and verification.
 * Experience in the aerospace or defense industry.
 * Active U.S. Secret Security Clearance (adjudicated within the last 5 years).

Preferred:

 * Experience with aerospace and defense technologies (sensors, navigation, controls, propulsion, structures, platforms).
 * Knowledge of military mission areas (Air, Land, Sea, Space, or Cyber).
 * Experience assessing legacy system architectures and supporting future technology development.

Education/Experience:

Requires a Bachelor's Degree in Engineering with experience in systems engineering, software architecture, integration, testing, and verification. experience with DOORS, CAMEO, and embedded software.

## Description

* Develop software architecture models using Cameo Enterprise Architect.
 * Support software integration, verification, validation, and testing activities.
 * Collaborate with Systems and Software Engineers throughout the development lifecycle.
 * Develop use cases, activity diagrams, sequence diagrams, and software test documentation.
 * Support system, software, and hardware integration to ensure requirements are met.


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