Embedded Software Test Engineer

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. Primary Responsibilities 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. Basic Qualifications Bachelor’s degree in Computer Science, Software Engineering, Electrical Engineering, Computer Engineering, or related technical discipline (or equivalent experience). 8+ years of experience in software testing, integration, and verification of embedded systems or 4+ 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. Preferred Qualifications 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. Original Posting: May 22, 2026 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. Pay Range: Pay Range $87,100.00 - $157,450.00 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. Leidos Leidos is an industry and technology leader serving government and 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. For more information, visit Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here. Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to View email address on click.appcast.io. Commitment and Diversity All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.