Position may be performed in the following locations below.
Gaithersburg, MD
Alexandria, VA
Chantilly, VA
Englewood, CO
St. Louis, MO
Tucson, AZ
Clearance Level Required
Active Top Secret/SCI with the ability to successfully pass a Polygraph examination.
Primary Responsibilities
Serve as the senior technical SME and technical advisor for mission applications under the Chinook program.
Design, develop, integrate, test, deploy, and maintain modern web applications and backend services.
Develop scalable, maintainable, and secure software across both front-end and back-end tiers.
Translate mission and technical requirements into robust software architecture and implementation plans.
Provide technical leadership in software design, architecture, coding standards, code reviews, and engineering best practices.
Develop and maintain RESTful APIs, microservices, data services, and system integrations.
Build responsive and user-focused front-end interfaces using modern web development frameworks
Design and optimize database schemas, queries, data-access layers, and data-processing workflows.
Troubleshoot complex application, integration, performance, and production issues.
Support automated testing, continuous integration/continuous delivery (CI/CD), and DevSecOps practices.
Contribute to containerized and cloud-enabled application environments as applicable to the program.
Participate in Agile/Scrum ceremonies, sprint planning, backlog refinement, demonstrations, and technical working sessions.
Mentor junior and mid-level software engineers and promote consistent engineering practices across the team.
Identify opportunities to improve application performance, reliability, security, scalability, and maintainability.
Evaluate emerging technologies and recommend solutions based on mission requirements and technical feasibility.
Basic Qualifications
US citizenship is required per contract.
Bachelor's degree in Computer Science, Software Engineering, or related field and 12-15 years of prior relevant experience or Master’s with 10-13 years of prior relevant experience.
Proficient with the following technologies
Web: HTML, CSS, JSON, and REST APIs
Object-oriented Programming: Python, Java, and 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
Multi-cloud architectures: AWS, IBM, Google, Azure, and Oracle.
Specific AWS Services: S3, SQS, SNS, EC2, CloudFormation and RDS
Relational Database: MySQL, PostgreSQL, or SQL Server
NoSQL Database: OpenSearch/Elasticsearch.
Operating System: Windows, Linux
Version Control System: Git
Proficiency with AWS (C2S/GovCloud) and Infrastructure-as-Code (Terraform, CloudFormation).
Established experience building and deploying containerized services (Docker/Kubernetes).
Solid understanding of DevSecOps tools: GitLab CI/CD, Jenkins, SonarQube, Nexus, Keycloak, Vault.
In depth knowledge of Agile/Scrum practices and tools (JIRA, Confluence)
Solid understanding of customer specific data types and standards, such as OGC WMS/WFS, NSG, and GEOINT workflows.
Preferred Qualifications
Frontend Web Development: UI/UX
Prior experience supporting Intelligence Community mission systems.
Experience with messaging/event-driven architecture.
Experience with observability, logging, monitoring, and application performance management.
Advanced certifications such as AWS Certified Developer or Solutions Architect, CISSP, SAFe Agile or similar.
#Chinook
#NSBA
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
September 10, 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 $131,300.00 - $237,350.00
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.
