Software Test Engineer

Leidos • Huntsville, AL

4d

About The Position

Leidos Defense is seeking a Software Test / QA Engineer to design, implement, and maintain automated and manual testing strategies for high-performance applications and backend systems supporting advanced sensor and mission systems. The role focuses on software interfacing with radar programs, real-time data pipelines, and hardware systems, with an emphasis on system behavior, performance testing, and automated data-flow validation. The engineer is expected to grow into broader system-level validation, performance testing, real-time verification, and quality and test ownership across application, middleware, and real-time components.

Leidos provides engineering, scientific, and IT solutions in defense, space, cyber, and commercial fields. Leidos Defense supports customers worldwide with systems and services spanning land, sea, air, space, and cyberspace, including enterprise and mission IT, intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support.

Requirements

• Bachelor’s degree or higher in Electrical Engineering, Computer Engineering, Computer Science, or a related technical discipline from an ABET-accredited school.
• At least 4 years of experience in software quality assurance, test engineering, or software development with a heavy focus on automated testing.
• Proficiency in testing software built in modern C++ or writing test scripts to interface with C++ binaries.
• Strong experience with Python or other scripting languages for test automation development.
• Experience with Linux-based environments, including shell scripting and system monitoring.
• Experience testing performance-sensitive, distributed, or systems-oriented applications.
• Familiarity with tracking and test management tools such as Jira or equivalent bug-tracking systems.
• Strong problem-solving skills and ability to work effectively in a collaborative team environment.
• Excellent teamwork skills.
• U.S. citizenship.
• Ability to obtain and maintain a DoD Secret clearance.

Nice To Haves

• Experience setting up test automation within CI/CD pipelines, such as GitLab CI, Jenkins, or Docker.
• Experience with messaging frameworks such as ZeroMQ for simulating and testing distributed systems.
• Exposure to radar, RF, or sensor systems and hardware-in-the-loop (HWIL) testing frameworks.
• Experience testing frontend web applications built with Angular TS, Flask, or SCSS.

Responsibilities

• Design, build, and maintain automated test frameworks and test scripts for C++-based applications and backend systems.
• Execute manual testing to explore edge cases, validate user workflows, and establish baseline behaviors for new features.
• Analyze and verify system performance, latency, and scalability using simulated and real-world data pipelines.
• Collaborate with software, systems, and hardware engineers to isolate, reproduce, and debug complex system defects.
• Support software integration, verification, and deployment in operational and simulated environments.
• Develop detailed test plans, test cases, and test reports to ensure compliance with mission-critical requirements.
• Contribute to CI/CD automation pipelines to support continuous testing and software quality from development through deployment.
• Validate user-facing and backend software that interfaces with high-performance sensor and data-processing systems.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level