Aviation Software Test Engineer

Leidos LLC; Huntsville (AL); On-site; USD 70,000 - 126,000; Full time

Job summary

Leidos is seeking an Aviation Software Test Engineer to join the Defense Group in Huntsville, onsite. The role focuses on automated testing, test infrastructures, and integration testing for software products used in tactical and sensor systems.

Qualifications include a relevant engineering degree and 2+ years of experience with C#, Python, or Java, plus Windows/Linux test experience. US citizenship and DoD clearance are required.

Qualifications

• Bachelor's degree required with GPA 3.0 or higher.
• 2+ years of relevant technical experience.
• Experience with OOP languages: C#, Python, or Java.
• Experience with manual and automated test tools and techniques.

Responsibilities

• Participate in test planning, strategy and design.
• Develop automated scripts for Linux and Windows.
• Work as part of an agile software team and report progress.

Skills

C#

Python

Java

Education

Bachelor's degree in Software Engineering or related field

Tools

Linux

Windows

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.

Within the Defense Sector, the Kinetic Effects Business Area at Leidos currently has an opening for a talented Aviation Software Test Engineer to work onsite in our Huntsville office. This is an exciting opportunity to use your experience to help test and develop software for tactical strike, sensors, CUAS, and UAS solutions. 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.

• 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.
• Reviewing, editing, and generating various documents used for engineering and testing purposes per industry standards.
• Developing automated scripts in Linux and Windows for a variety of applications.
• Perform as part of an agile software team for tasking and progress reporting.

Basic Qualifications.

• At least a Bachelor’s degree in Software Engineering, Computer Science, Computer Engineering, Electrical Engineering, Aeronautical Engineering, Mathematics, or equivalent technical degree with an overall GPA of 3.0 or higher.
• 2+ years of relevant technical experience.
• Recent experience with software development and/or writing software test scripts using one of the following Object-Oriented Programming languages: C#, Python, or Java.
• Experience in both manual and automated test tools and techniques.
• Aptitude for the technical skills required for software test, configuration management, and software quality engineering concepts.
• Experience developing test methods and procedures for software products using scripting and/or compiled languages.
• Working knowledge of Windows and Linux operating systems.
• Analytical and process improvement skills along with a personal drive for details and quality workmanship.
• Familiarity with Microsoft Office (Outlook, Word, Excel, and PowerPoint).
• Good communication skills.
• US citizenship required, with ability to obtain and maintain a DoD Secret clearance.

Preferred Qualifications.

• Experience writing user interface (UI) tests with automated UI testing technologies.
• Experience writing software in compliance with applicable industry safety and cyber standards (MIL-STD-882E, DISA STIGs).
• Candidate is expected to accept constructive feedback from more senior software team members.
• The ability to work across multiple products under development by multiple small teams.
• Experience with Agentic AI coding tools.
• Experience with designing and implementing software solutions for embedded systems and applications.
• Proficiency with Xray Test Management for Jira to develop, execute, and report on test cases for embedded software systems.

Pay Range

Pay Range: Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary.

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.

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.

Original Posting: August 11, 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.

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.

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.

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].