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.

Your greatest work is ahead!

Leidos’ Defense Systems Land Systems is seeking a Software Engineer to join our team…with the ability and experience to work missile defense projects within the BMD Simulations and Analysis Portfolio. As a Software Developer, you’ll directly support Agile Software Development in achieving specific program objectives in support of our nation’s defense. In this role, you will also develop, create, and modify general computer applications software or specialized utility programs. Also, analyze user needs and develop software solutions for our customers. The ideal candidate will possess excellent analytical and problem-solving skills, be a strong team player, and can establish solid working relationships with peers and technical staff members within the program.

If this sounds like the kind of environment where you can thrive, keep reading!

Leidos Defense Systems Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions. To explore and learn more, click here!

Are you ready to make an impact? Share your resume with us today!

Primary Responsibilities

• Developing and executing software test procedures to verify requirements/features

• Creating and configuring complex test scenarios

• Developing software test documentation

• Collaborating with Stakeholders and Government customers for requirement verification

• Working within an Agile team environment, to include Program Increment Planning, Iteration Planning, Feature and Story development, Sprint Planning, and Iteration Retrospectives.

• Participating in demos for the team and program Sprint reviews.

Basic Qualifications

• Bachelor of Science in Computer Science or Software Engineering or equivalent degree from an ABET-accredited institution.

• Minimum of 8-12 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 Do

D Secret clearance:

• Candidate must be a resident of the North Alabama area to provide full time onsite support

Preferred Qualifications

• Experience with test automation or analysis automation preferred

• Agile Scrum Experience

• Experience with Java and user interfaces

• Experience with Jira - issue tracking and agile project management, or similar tool

• Familiarity with MDA Sensors and/or missile defense systems

• Familiarity with modeling and simulation tools

• Understanding of systems engineering concepts (not required to be a systems engineer)

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:

February 4, 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 $107,900.00 - $195,050.00

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.