Software Engineer

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 Sector 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 Software Engineering Applications Department at Leidos currently has an opening for a talented Software Engineer to work in our Huntsville office. This is an exciting opportunity to use your experience to help develop software for tactical strike, sensors, CUAS, and UAS solutions. This position focuses on the development of robust, innovative software frameworks, as well as the fielding, support, and maintenance of software products. Software products range from analysis tools/simulations, mission planning software, and components of mission-critical systems. Primary Responsibilities Design and develop robust C++, C#, and Python software under the direction of a senior software engineer. Assist with creating and executing unit and integration tests on software components. Perform as part of an agile software development team for tasking and progress reporting. Participate in code reviews to maintain code quality and share knowledge with the team. Troubleshoot and resolve application issues and bugs in a timely manner. Other software development duties as assigned. Use GitLab software pipeline for performing configuration management and automated testing Direct communication with customers, end users, and team members will be required 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 2+ years of relevant technical experience or or MS degree with less than 2 years Have a proven track record of implementing software development principles. Candidate must demonstrate a strong competency in software development in C++ and/or C#. Have experience writing unit and integration tests with unit test frameworks. Possess an aptitude for the technical skills required for software development, configuration management, and software quality engineering concepts. Have strong analytical and process improvement skills along with a personal drive for details and quality workmanship. Possess an aptitude for the technical skills required for software test and software quality engineering concepts. Demonstrate familiarity with Microsoft Office (Outlook, Word, Excel, and PowerPoint). Have good communication skills. Must be a resident of North Alabama or willing to relocate to the Huntsville-North Alabama area. Preferred Qualifications Experience with applicable industry standards (MIL-STD-882E) is a plus. 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 is highly desirable. Security Clearance Qualifications: Must be a U.S. Citizen with the ability to obtain and maintain a Secret Security Clearance. 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: July 2, 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 $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. 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 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. 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 View email address on click.appcast.io. 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.