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
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.
Involves learning from more senior test engineers while also mentoring less experienced test engineers.
Involves communication with software developers and other 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 4+ years of relevant technical experience with BS degree or 2+ with MS degree.
Active Secret clearance or ability to obtain and maintain one.
Proven experience performing software test on complex, multi-disciplinary projects.
Have a proven track record implementing an automated software testing solution.
Automated testing experience on embedded systems is a plus.
Candidate must demonstrate ability in software development in either C#/.NET, C, C++, Java, Python, or Ruby programming languages.
Great communication skills with ability to present to senior leadership and government customers.
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).
The ability to work across multiple products under development by multiple small teams.
Knowledge of Modular Open Systems Approach (MOSA) principles and application
Experience with containerization, CI/CD pipelines, and microservices technology.
Knowledge of guidance & control algorithms, navigation systems, mission planning systems (NOMS, JMPS), and sensors a huge plus.
Familiarity with Model-Based Systems Engineering (MBSE) and SysML.
Proficiency with testing MATLAB/Simulink generated code is a plus.
Understanding of hardware-software integration and software systems engineering principles
Agile Scrum Master experience a plus.
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.
August 7, 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 $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 is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.
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.
