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.
The Intelligence Production Solutions Division (IPSD), part of the Decision Advantage Solutions Business Area, is currently seeking a Mid-Level Software Engineer for the Chinook Program. The Chinook Program delivers secure, scalable, and mission-enabling software applications across our customer’s enterprise using Agile and DevSecOps practices.
In this role, you will work on cross-functional development teams to build and maintain microservices, APIs, and web-based applications that support GEOINT data access, visualization, and dissemination. You will contribute to the full software lifecycle and will have the opportunity to work directly with users, cloud engineers, and mission stakeholders.
Position may be performed in the following locations below. Please note Gaithersburg, MD is the program’s primary work location.
Gaithersburg, MD
Alexandria, VA
Chantilly, VA
Aurora, CO
St. Louis, MO
Tucson, AZ
Primary Responsibilities:
Design, develop, test, and deploy software solutions that support our customer’s GEOINT mission.
Participate in agile development sprints and contribute to daily stand-ups, sprint planning, and retrospectives.
Build and maintain secure, containerized applications using technologies such as Docker, Kubernetes, and AWS.
Develop RESTful APIs and user-facing interfaces with modern tools (e.g., React, Node.js, Flask or Sprint Boot).
Collaborate with mission users and product owners to refine requirements and improve user experience.
Support DevSecOps pipelines and ensure code meets security and accreditation standards.
Participate in code reviews and mentor junior developers as needed.
Resolve various tasks as prioritized by the team product owner.
Basic Qualifications:
US citizenship is required per contract.
Bachelor's degree in Computer Science, Software Engineering, or related field and 4-8 years of prior relevant experience or Master’s with 2-6 years of prior relevant experience.
Proficiency with the following technologies:
Web: HTML, CSS, JSON, Ajax, and REST APIs
Object-oriented Programming: Python, Java, or JavaScript
Advanced Programming: Go
Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django, Node.js, Flask, or Svelte
Cloud Development: AWS, Azure, or similar cloud platforms
Relational Database: MySQL, PostgreSQL, or SQL Server
Operating System: Windows, Linux
Version Control System: Git
Deep understanding of modern software design patterns and coding standards.
Experience architecting, developing, and delivering complex software systems into production.
Experience with CI/CD tools (GitLab CI, Jenkins) and agile collaboration tools (JIRA, Confluence).
Familiarity with cloud environments such as AWS (C2S or GovCloud) and containerization technologies (Docker, Kubernetes)
Understanding of secure coding practices and government system accreditation processes (e.g., RMF, STIGs)
Strong, self-motivated desire to learn new programming languages, tools, frameworks, and techniques.
Preferred Qualifications:
Frontend Web Development: UI/UX
NoSQL Database: OpenSearch/Elasticsearch.
Cloud Exposure:
Multi-cloud architectures: AWS, IBM, Google, Azure, and Oracle.
Specific AWS Services: S3, SQS, SNS, EC2, CloudFormation and RDS.
Experience working on a customer contract or in the Intelligence Community (IC).
Familiarity with geospatial tools and standards:
GeoServer
PostGIS
OGC APIs
ESRI ArcGIS
Exposure to Infrastructure-as-Code (Terraform, Ansible)
Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar.
#Chinook
Come break things (in a good way). Then build them smarter.
We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.”
Original Posting:October 3, 2025For 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.
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.
Top Skills
What We Do
We Are Leidos
For 50 years we have been tackling some of the biggest problems that face our nation and our world.
OUR MISSION
Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead.
