Senior Software Engineer

Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers' mission to defend against evolving threats around the world. Our team's focus is to ensure our customers have the right tools, technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and critical assets. Leidos Intel Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers' mission to defend against evolving threats around the world. Our team's focus is to ensure our customers have the right tools, technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and critical assets. The National Solutions Business Area, part of the Intel Sector, is currently seeking a highly motivated Senior Software Engineer (SWE) for the Chinook Program. The Chinook Program delivers next-generation, mission-focused software solutions for geospatial intelligence (GEOINT). This role offers a unique opportunity to contribute to meaningful national security work while building experience with modern software tools, agile practices, and classified cloud environments. The responsibilities for this position include all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding, and automated testing within an Agile model. In this role, you will join a dynamic team that is singularly focused on providing world class solutions to our customer in an exciting, collaborative, and inclusive atmosphere. You will be challenged and provided a tremendous opportunity for growth in a customer-facing, fast-paced, and fun environment.

Primary Responsibilities:

Resolve various tasks as prioritized by the team product owner. Engage in the complete software development lifecycle, operating within well-defined parameters. Take ownership of delivering enhancements within a system or application. Break down sizable tasks into manageable units for execution and provide LOE estimations. Collaborate with fellow software engineers to create and document optimal technical designs. Ensure team compliance with Agile processes and best practices. Build software solutions where the solution is not clearly defined but always prioritizing customer needs. Resolve obstacles for the development team, working collaboratively with the Product Owner, technical leadership, and other engineers. Ensure all Scrum events take place and are positive, productive, and kept within the timebox.

Basic Qualifications:

US citizenship is required per contract. Bachelor's degree in Computer Science, Software Engineering, or related field and 8-12 years of prior relevant experience or Master's with 6-10 years of prior relevant experience. TS/SCI clearance and ability to obtain a Polygraph. Experience working as a Scrum Master for a software development or similar technical team. Strong proficiency with the following technologies:

Web:

Django, JQuery, Ajax, and REST APIs Object-oriented Programming:

Python, Java, and JavaScript Relational Database:

SQL/Postgres Operating System:

Windows, Linux Version Control System:

Git, GitLab Experience incorporating GEOINT domain understanding when troubleshooting, optimizing, and validating system behavior and data outputs across environments. Deep understanding of modern software design patterns and coding standards. Experience architecting, developing, and delivering complex software systems into production. Working knowledge of Agile development and continuous integration/continuous delivery methodologies and tools. Strong, self-motivated desire to learn new programming languages, tools, frameworks, and techniques.

Preferred Qualifications:

Experience with scripting languages such as REACT.

Software Architectures:

Client-Server, Model-View-Controller.

Cloud Exposure:

Multi-cloud architectures: AWS, IBM, Google, Azure, and Oracle.

Specific AWS Services:

S3, SQS, SNS, EC2, CloudFormation and RDS. Certifications such as AWS DevOps Engineer or similar. #Chinook 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:

May 13, 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. 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 www.

Leidos.com. 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 spam.leidos@leidos.com. 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.