Software Test Engineer: Mid Level

Looking for an opportunity to make an impact? 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.

Leidos’ Defense Systems is seeking a talented Mid Level Software Test Engineer to join a multidisciplinary team to create unique solutions to complex engineering challenges in our Huntsville, AL location. The ideal candidate will thrive in a learning environment that encourages leadership and technical growth. The Mid Level Software Test Engineer will join a highly skilled, multidisciplinary team contributing to products for a variety of programs, from large DoD (both offensive and defensive) to space.

A successful candidate will be analytical and thorough with defining and executing tests, testing and integrating software components for large-scale software products, developing and executing test procedures, and communicating results with the team to validate and improve our products. The candidate will work to analyze, validate, and trace requirements to tests and may be involved in all levels of testing:
System, Integration, Regression, and Design Verification.

• Enjoy breaking things or finding the limits of product design
• Enjoy problem solving and debugging
• Like to write scripts but also like to get your hands on actual hardware to assemble and build systems
• Take an analytical approach to solving problems and organizing data
• Enjoy mentoring others on best practices and approaches

• Have a Bachelor’s degree in Computer Science, Computer Engineering or equivalent degree from an ABET-accredited university with at least 4 years of experience in a highly technical role OR have a Master’s degree in Computer Science, Computer Engineering or equivalent degree from an ABET-accredited university with at least 2 years of experience in a highly technical role
• Have highly technical software and/or test experience
• Be able to work in a lab environment in-person
• Have experience creating and following test plans and procedures, including providing detailed evidence of test results
• Have experience detecting and tracking software defects and inconsistencies
• Have experience collaborating closely with software engineers and other engineering disciplines
• Have experience with system development processes, including systems engineering, requirements traceability, and software validation and verification
• Be a resident or willing to relocate to the North Alabama area
• Candidate must have ability to obtain and maintain a DoD Secret security clearance

• Able to read/analyze object-oriented program source in one or more languages (C++/C#/Java/Python)
• Able to develop test automation in Python
• Software Safety
• CMMI best practices
• Mentoring peers on best practices/test approaches

Pay Range $87,100.00 - $

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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit

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