Software Developer - Mid

Leidos•Reston, VA

21h•Onsite

About The Position

The Intel Security Sector delivers technology-enabled services and mission software capabilities for defense and intel customers in the areas of cyber, logistics, security operations, and decision analytics. This position will be located at one of our customer sites in Bethesda, MD; Reston, VA; or Joint Base Anacostia-Bolling, DC. The Intel Security Sector at Leidos currently has an opening for a Software Developer. In this role, you will work alongside government partners, engineers, and other industry teammates to translate operational and strategic requirements into scalable, production-ready solutions. You will contribute directly to product planning, execution, and continuous improvement, helping ensure capabilities are delivered efficiently, aligned to mission priorities, and positioned for sustained success. This position offers the opportunity to work on a high-visibility enterprise program at the intersection of data, analytics, and emerging AI technologies. Ideal candidates are motivated by mission impact, comfortable operating in complex stakeholder environments, and interested in building deep domain expertise while delivering capabilities with real-world national security outcomes. The successful candidate will work on projects to design, develop, and deploy software applications to support DIA/NDOC OSINT production on behalf of the Defense Intelligence Enterprise (DIE).

Requirements

Bachelor’s degree in Computer Science, Data Science, Engineering, Information Systems, or related technical discipline and minimum 3 years of experience.
Additional years of experience in lieu of degree are acceptable.
3 years of experience in the field with at least a portion of the experience within the last 2 years.
Active TS/SCI clearance with the ability to obtain and maintain TS/SCI with Polygraph.
Experience developing enterprise software solutions using modern programming languages (e.g., Java, Python, Go, C++, or similar).
Proficiency in programming languages such as Java, Python, or C++.
Experience building and integrating RESTful APIs and microservices architectures.
Experience integrating software into CI/CD pipelines and DevSecOps environments (e.g., GitLab, Jenkins, or similar).
Experience with Infrastructure-as-Code (IaC) and Configuration-as-Code (CaC).
Experience with DevSecOps practices and tools.
Experience operating within SAFe or Agile frameworks supporting enterprise systems.
Excellent communication and teamwork abilities.
Strong problem-solving and analytical skills.

Nice To Haves

Bachelor’s degree in Computer Science, Data Science, Engineering, Information Systems, or related technical discipline.
8 years of experience in the field with at least a portion of the experience within the last 2 years.
A significant share of your data analytics experience in direct support of military or intelligence community customers, demonstrating progressive technical development and mission-focused outcomes.
Significant experience dealing with at least two of the following data classes: open source, publicly available information (PAI); forensic media (i.e., DOMEX); measurement and signatures intelligence (MASINT); or cybersecurity and cyber forensics
Knowledge of DoD Security Technical Implementation Guides (STIGs) and container hardening standards.
Experience supporting software development across multi-enclave DoD environments.
Experience with cloud-native development in AWS GovCloud, C2S, SC2S, Azure, or GCP.
Experience contributing to enterprise-level architecture design decisions.
Experience with containerization technologies (Docker, Kubernetes).
Experience integrating with data platforms, AI/ML services, or analytics systems.
Demonstrated expertise in secure software development practices and automated testing frameworks.
Experience implementing automated security scanning and compliance validation in pipelines.
Current or recent SCI-level access is a significant advantage and preferred.
Successful polygraph within the last 5 years is a significant advantage and preferred.

Responsibilities

Work closely with a tight-knit team of software developers, data scientists, network engineers, senior investigators, program managers, researchers, and data analysts to create and maintain mission applications.
Develop, test, and maintain OSINT mission application-level software including backend services, APIs, and user-facing components.
Establish and maintain development, test, integration, staging, and production environments for the System.
Implement features and enhancements using modern programming languages (e.g., Java, Python, JavaScript, or similar).
Build and integrate APIs and microservices to support platform and application functionality.
Collaborate with cross-functional teams to develop features, fix defects, and improve system performance.
Contribute to development of front-end and back-end components for enterprise applications.
Integrate software into DevSecOps pipelines for automated build, testing, and deployment.
Prepare, maintain, and execute a System Test Plan (STP) based on CI/CD and DevSecOps principles.
Prepare, maintain, and execute a Software Engineering Plan (SWP) for managing all aspects of the software lifecycle.
Implement and maintain source code, Infrastructure-as-Code (IaC), and Configuration-as-Code (CaC).
Conduct configuration management operations to control, identify, record, and report IT components and relationships.
Perform debugging, troubleshooting, and resolution of application defects and performance issues.
Ensure adherence to secure coding practices and support remediation of vulnerabilities.
Plan, design, and implement software testing tools, processes, and procedures.
Support software testing including unit, integration, and user acceptance testing.
Deliver and maintain all software artifacts on Government-owned software repositories.
Translate systems engineering and reference architecture designs into software designs.
Participate in code reviews and contribute to development standards and best practices.
Participate in SAFe ceremonies including PI Planning, backlog refinement, sprint reviews, and retrospectives.