Software Test Engineers

Leidos Holding$69K — $125K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's in Computer Science or Software Engineering, or equivalent, with 2-4 years of relevant experience; Masters with less than 2 years.
  • Experience with GitLab/Git.
  • Proficient in Red Hat Enterprise Linux OS.
  • Familiarity with Agile methodologies, especially Scaled Agile Framework (SAFe).
  • Strong communication skills for presentations and documentation.
  • Must have US citizenship and an active DoD Secret clearance.
  • Must reside in North Alabama for onsite work.

Responsibilities

  • Design, document, and execute test procedures to verify software requirements.
  • Create complex test scenarios for modeling and simulation systems.
  • Effectively capture and communicate test results.
  • Collaborate with stakeholders and government clients for requirements verification.
  • Participate in Agile ceremonies, including PI planning and retrospectives.

Benefits

  • Opportunity to work on national defense projects.
  • Support for career development through multiple opportunity levels.
  • Participation in an Agile team fostering collaboration and innovation.
Full Job Description
We're hiring Software Test Engineers at multiple levels.

Leidos Defense Sensors is seeking multiple Software Test Engineers of various levels to join our Sensor Research and Analysis Division and support missile defense programs. The ideal candidates will possess strong analytical and problem-solving abilities, collaborate effectively in a team environment, and build solid working relationships with peers and technical staff across the program. In this role, you will work directly with Agile Software Development teams to help achieve key program objectives in support of our national defense.

Primary Responsibilities
  • Design, document, and execute test procedures to verify requirements/features
  • Build complex, meaningful test scenarios for modeling and simulation-based systems
  • Capture and communicate test results clearly and effectively
  • Collaborate with stakeholders and Government customers to verify requirements
  • Work as part of an Agile team and participate in all Agile ceremonies, including PI planning, sprint planning, retrospectives, and demos.


Basic Qualifications

This posting is for multiple opportunities ranging in years of experience. Level of opportunity, including compensation, will be matched to a candidate's experience. If you're excited about the work but your experience level differs - PLEASE APPLY!
  • Bachelor of Science in Computer Science or Software Engineering or equivalent degree from an ABET-accredited institution plus 2-4 years of demonstrated performance in the design, development, and testing of real-time software applications and simulations or Masters in Computer Science or Software Engineering or equivalent degree from an ABET-accredited institution with less than 2 years of demonstrated performance in the design, development, and testing of real-time software applications and simulations
  • Experience with GitLab/Git
  • Experience with Red Hat Enterprise Linux OS
  • Knowledge of Agile methodologies, such as the Scaled Agile Framework (SAFe), and application of the Agile methodologies within a technical/engineering environment.
  • Strong written and verbal communication skills with the ability to create and deliver presentations
  • Must be a US citizen possess and maintain an active DoD Secret clearance
  • Candidate must be a resident of the North Alabama area to provide full time onsite support


Preferred Qualifications
  • Test automation or analysis automation experience
  • Agile Scrum experience
  • Familiarity with Java or UI applications
  • Experience with Jira or similar Agile/project management tools
  • Exposure to MDA sensors and/or missile defense systems
  • Experience with modeling and simulation tools
  • Systems engineering familiarity

Original Posting:
July 8, 2026

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. 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.

About Leidos Holding

Leidos Holding Careers

Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

Explore Career Opportunities

Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

Innovation and Professional Growth

At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

Commitment to Diversity and Inclusion

Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

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For those starting their career, Leidos Holding offers internship programs that provide a robust foundation in the industry. Internships are a great way to develop essential skills, gain valuable work experience, and build professional networks.

Benefits and Culture

Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.

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Leidos Holding is hiring! Explore job opportunities that match your skills and interests. Leidos Holding looks for driven, curious, and innovative individuals to join their team. Positions are available across various disciplines and experience levels.

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Networking and Career Advancement

Leidos Holding encourages its employees to engage in networking within the company to discover new opportunities for career advancement. The leadership team at Leidos Holding is dedicated to supporting employees in their career paths with ample opportunities for networking and growth.

Explore Leidos Holding Jobs and Careers

Discover the exciting career opportunities at Leidos Holding today. With a commitment to employee growth, innovation, and diversity, Leidos Holding is the perfect place to advance your career. Check out the latest job listings and find your perfect fit at Leidos Holding.

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