Software Test Engineer - Kinetic Effects

Leidos; Huntsville (TN); On-site; USD 87,000 - 157,000; Full time

Job summary

Leidos in Huntsville is seeking a Software Test Engineer to work on automated testing, building robust test infrastructures, and performing integration and manual testing for mission-critical software products.

The role emphasizes test strategy, documentation review, and mentoring junior engineers, while collaborating with software developers and government customers. Requires a BS in a relevant field and an active Secret clearance.

Qualifications

• Bachelor's degree with GPA 3.0+ in a technical field.
• 4+ years of relevant technical experience with BS or 2+ with MS.
• Active Secret clearance or ability to obtain and maintain one.
• Proven experience performing software test on complex, multi-disciplinary projects.
• Experience implementing an automated software testing solution.
• Automated testing experience on embedded systems is a plus.
• Proficiency in C#/.NET, C, C++, Java, Python, or Ruby programming languages.
• Excellent communication skills with ability to present to senior leadership and government customers.

Responsibilities

• Participate as an integral team member in test planning, strategy and design, test execution, and quality recommendations.
• Review, edit and generate documents used for engineering and testing per industry standards.
• Mentor less experienced test engineers and learn from senior team members.
• Communicate with software developers and other team members frequently.

Skills

Software testing

C#/.NET

C/C++

Java

Python

Ruby

Communication

Education

Bachelor's degree in Software Engineering, Computer Science, Computer Engineering, Electrical Engineering, Aerospace Engineering, Mathematics, or equivalent

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

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 multiplesmall 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.

Original Posting:

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:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline onlyand 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.