Leidos is dedicated to making the world a safer place. This starts with helping our customers in the Defense Industry achieve their critical missions. Our dedicated Defense Group employees are solving critical challenges across the globe. At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. 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. Leidos is well known for our people-oriented culture, positive work environment, technical excellence, and resilient business ethics. Leidos is seeking a talented Software Test Engineer to work in our Huntsville office. This is an exciting opportunity to use your experience to help test software for Tactical strike guided munition programs. This position focuses on automated testing, development of robust, innovative software test infrastructures and frameworks, integration testing, informal manual testing, formal software qualification testing, fielding and support, and maintenance of software products. Software products range from analysis tools/simulations, mission planning software, and components of mission-critical systems. Primary Responsibilities Involves direct participation as an integral team member who performs key roles with respect to test planning, test strategy and design, test execution, software engineering processes, and recommendations on product quality. Involves reviewing, editing, and generating various documents used for engineering and testing purposes per industry standards. Provides overall software test leadership to the program; this includes, but isn’t limited to, mentoring and developing junior software engineers, working with software IPT lead, and representing software test during IPT meetings. Involves communication with customers, end users, and team members on a frequent basis. Basic Qualifications Candidate must possess at least a bachelor’s degree in Software Engineering, Computer Science, Computer Engineering, Electrical Engineering, Aerospace Engineering, Mathematics, or equivalent technical degree with an overall GPA of 3.0 or higher. Candidate should have 12+ years of relevant technical experience with BS degree or 10+ with MS degree. Candidate must be a U.S. citizen and be eligible to obtain and maintain a U.S. Department of Defense security clearance. Relevant technical experience must include testing and/or troubleshooting embedded software or embedded-adjacent applications that interface with, operate, monitor, support, simulate, control, or communicate with embedded systems. Must be a resident of North Alabama or willing to relocate to the Huntsville-North Alabama area. Experience leading, mentoring, or providing technical direction to software test teams on multi-disciplinary projects. Have a proven track record of implementing automated software testing principles on embedded systems. Candidate must demonstrate advanced competency in software development in either C#/.NET, C, C++, Java, Python, or Ruby programming languages. The ability to work across multiple products under development by multiple small teams. Preferred Qualifications Experience writing user interface (UI) tests with automated UI testing technologies. Experience with applicable industry standards (IEEE 12207, CMMI, MIL-STD-882e, DO-178C and/or DO-278, RMF). Knowledge of Modular Open Systems Approach (MOSA) principles and application Experience with containerization, CI/CD pipelines, and microservices technology. Knowledge of guidance & control algorithms. Knowledge of navigation systems. Knowledge of mission planning systems (NOMS, JMPS). Knowledge of sensors used in guidance, navigation, or mission planning systems. Familiarity with Model-Based Systems Engineering (MBSE) and SysML. Understanding of hardware-software integration and software systems engineering principles Agile Scrum Master experience a plus. Excellent communication skills with ability to present to senior leadership and government customers. Formal experience in an official test-team leadership role (e.g., Test Lead, QA Manager, IPT Lead) with people-management responsibilities. AppKinetic 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 28, 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 $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. 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 www.Leidos.com. 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 [email protected]. 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.

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