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Huntsville, Alabama, United States · On-site
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The role involves supporting testing and validation activities for embedded systems within complex missile defense environments. Key duties include developing Python-based automation frameworks and conducting post-test analysis to ensure system reliability.
Candidates need a Bachelor's degree in a technical field and 4+ years of experience in embedded software testing (or 2+ years with a Master's). Proficiency in Python, automation frameworks, and tools like Wireshark and Jira is required.
Leidos is seeking a talented Embedded Software Test Engineer to join a multi-disciplinary team within a matrixed organization to create unique solutions for complex problems, specifically regarding missile defense systems. With offices across the United States engaging in the defense, space, cyber and commercial fields, Leidos provides responsive, cost-effective engineering, scientific and IT solutions.
The Embedded Software Test Engineer will support testing and validation activities for embedded systems within complex technical environments. The ideal candidate will possess extensive software testing and automation experience, with a strong background in Python scripting, debugging, and test framework development. This role requires the ability to troubleshoot across embedded software, networking, hardware interfaces, and automated test environments while supporting the full software test lifecycle from planning through post-test analysis and reporting. The Senior Software Test Engineer will collaborate closely with software developers, systems engineers, hardware engineers, and program stakeholders to ensure the quality, reliability, and performance of embedded system applications and integrated platforms.
Bachelor’s degree in Computer Science, Software Engineering, Electrical Engineering, Computer Engineering, or related technical discipline (or equivalent experience).
4+ years of experience in software testing, integration, and verification of embedded systems or 2+ years with MS degree.
Experience testing embedded systems and integrated hardware/software platforms.
Experience with software automation testing and automated test environments.
Strong Python scripting and debugging skills.
Experience developing and maintaining automation frameworks.
Ability to analyze and interpret complex test data.
Experience mapping requirements to test scenarios, procedures, and verification activities.
Experience developing and maintaining Requirements Traceability Matrices (RTMs).
Experience validating interfaces between software, firmware, and hardware components.
Experience supporting regression testing and performance testing activities.
Experience with network analysis and troubleshooting tools such as Wireshark.
Experience using Jira for defect tracking, task management, and SAFe workflow support.
Experience in integrating automated tests into CI/CD pipelines.
Experience generating and maintaining software test documentation including STPs, STDs, and STRs.
Experience performing unit testing, integration testing, regression testing, performance testing, and formal testing activities.
Strong troubleshooting skills across embedded software, networking, hardware integration, and automation systems.
Experience conducting post-test analysis and documenting results.
Develop, maintain, and execute automated and manual test procedures for embedded software applications and integrated systems.
Support test and integration activities by developing, executing, and debugging Python-based automated test scripts to enhance test coverage, efficiency, and automation capabilities.
Design and implement automation frameworks and test harnesses to improve testing efficiency and coverage for embedded systems.
Perform testing within simulated environments, HWIL, and SIL test environments.
Perform unit testing, integration testing, system testing, regression testing, performance testing, and formal qualification testing of embedded systems.
Validate interfaces between software, firmware, and hardware components to ensure proper system integration and functionality.
Conduct post analysis of complex test data, identify trends, isolate root causes, and generate detailed findings, reports, and recommendations.
Generate, maintain, and update software test documentation including:
Software Test Plans (STP)
Software Test Descriptions (STD)
Software Test Reports (STR)
Map system and software requirements to test scenarios, test procedures, and verification activities to ensure full requirements traceability and coverage.
Develop and maintain Requirements Traceability Matrices (RTMs) to support verification and validation activities.
Utilize tools such as Wireshark to troubleshoot network traffic, protocol behavior, and embedded system communications.
Implement and support CI/CD automated build and deployment pipeline integration efforts to enable automated testing within development workflows.
Use Jira to track defects, manage test activities, document issues, and support SAFe development workflows.
Participate in requirements reviews to ensure testability and traceability of embedded system and software requirements.
Support test planning activities, estimate testing effort, and assist with test scheduling and resource planning.
Support technical reviews, milestone reviews, customer demonstrations, and presentations including:
Test Readiness Reviews (TRRs)
Test Review Boards (TRBs)
Collaborate with cross-functional engineering teams to resolve technical issues and improve product quality.
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
An industry & technology leader serving government & commercial customers with smarter, more efficient innovations
Leidos is an industry and technology leader serving government & commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
Offices: 1750 Presidents St, Reston, Virginia 20190, US · 11955 Freedom Drive, Reston, VA 20190, US · 1145 N 2nd St, Leavenworth, KS 66048, US · 9600 Great Hills Trail, Austin, TX 78759, US · 221 3rd St, Newport, RI 02840, US
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