Software Test Engineer - Kinetic Effects

Leidos LLC; Huntsville (AL); On-site; USD 80,000 - 110,000; Full time

Job summary

Leidos is seeking a Software Test Engineer for our Huntsville, AL office. The role concentrates on automated testing, robust test infrastructures, integration testing, and maintenance of software products for defense programs.

Qualified candidates will have a BS in a technical field, 4+ years of experience (or 2+ with MS), U.S. citizenship, and DoD clearance eligibility. Proficiency in C#/.NET, C, C++, Java, Python, or Ruby is required.

Qualifications

• Bachelor’s degree in Software Engineering, CS, Computer Engineering, Electrical Engineering, Aerospace Engineering or math.
• 4+ years of relevant technical experience with BS or 2+ with MS.
• U.S. citizen and eligible for DoD security clearance.
• Experience testing and/or troubleshooting embedded software or embedded-adjacent applications.
• Resident of North Alabama or willing to relocate to the Huntsville area.
• Experience testing on multi-disciplinary projects.
• Proven track record implementing automated software testing solutions.
• Programming in C#/.NET, C, C++, Java, Python, or Ruby.

Responsibilities

• Participates as integral team member focusing on test planning, test strategy and design, test execution, software engineering processes, and quality recommendations.
• Reviews, edits, and generates engineering and testing documents per industry standards.
• Learns from senior test engineers while mentoring less experienced engineers.
• Communicates frequently with software developers and other team members.

Skills

C#/.NET

C

C++

Java

Python

Ruby

Education

Bachelor’s degree in Software Engineering, CS, Computer Engineering, Electrical Engineering, Aerospace Engineering or Math

GPA 3.0 or higher

Job description

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.

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.

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.
• 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 performing software test on multi-disciplinary projects.
• Have a proven track record implementing an automated software testing solution.
• Candidate must demonstrate ability in software development in either C#/.NET, C, C++, Java, Python, or Ruby programming languages.

Preferred Qualifications

• Automated testing experience on embedded systems.
• 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.
• 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.
• 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.
• Great communication skills with ability to present to senior leadership and government customers.

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 [e-mail].

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.

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.