Leidos is seeking 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 guided munition programs. 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 - Assist with design and implementation of full-stack software architecture and design patterns for missile system applications implementing major system functions (i.e. guidance, navigation, control, telemetry, and mission planning). - Participate in technical reviews, design reviews, and code reviews to ensure quality and compliance. - Support technical decisions on tools, frameworks, and development approaches. - Mentor and develop junior software engineers. - Ensure software design support modularity, reusability, portability, and maintainability requirements. - Participate in code reviews, ensuring coding standards and best practices are applied. - Direct communication with customers and team members will be required on a frequent basis. - Support flight test operations and post-test analysis. - Ensure adherence to military and aviation standards for safety, cybersecurity, and RMF. Basic Qualifications - Candidate must possess at least a bachelors 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 4+ years of relevant technical experience. - Active Secret clearance or ability to obtain one. - Proven experience supporting software development teams on complex, multi-disciplinary projects. - Demonstrable mid-level experience with C/C++ required. - Experience with Python and Java. - Deep understanding of software architecture patterns and design principles. - Excellent communication skills with ability to present to senior leadership and government customers. - Strong problem-solving abilities and systems-level thinking. - Experience with software configuration management principles and techniques, software quality engineering concepts, good software standards and practices, and a strong understanding of why these are important. Preferred Qualifications - Experience with embedded missile systems, aerospace, or weapons systems development. - Familiarity with real-time embedded systems. - Strong experience with open systems concepts, architectures, and implementation - Knowledge of Modular Open Systems Approach (MOSA) principles and application - Experience with containerization, CI/CD pipelines, and microservices technology. - Knowledge of guidance & control algorithms, navigation systems, mission planning systems (NOMS, JMPS), and sensors a huge plus. - Familiarity with Model-Based Systems Engineering (MBSE) and SysML. Original Posting: August 7, 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 $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline onlyand 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.