Senior 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). 
• 12+ years of experience in software testing, integration, and verification of embedded systems or 10+ years with MS degree.
• Currently holds an active secret security clearance  
• 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:

September 25, 2026

Pay Range:

Pay Range $131,300.00 - $237,350.00

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.