Entry Level Java Developers Jobs in Reston, VA (NOW HIRING)

Everforth ECS is seeking a Junior Software Engineer to work in the National Capital Region covering the Pentagon, Falls Church, and Fairfax. Please Note: This position is contingent upon contract award.
The War Data Platform (WDP) is a key initiative within the U.S. Department of War's (DoW) AI-First strategy introduced in early 2026. The WDP separates business and financial data from operational warfighting data, aiming to accelerate the deployment of artificial intelligence (AI) on the battlefield. The WDP extends to Unclassified, Secret, and Top Secret environments, and supports collaboration between Combatant Commands, Joint Staff directorates, Senior Executive Service leaders, and operational analysts.
The Junior Software Engineer contributes to WDP Core Integration software development by implementing assigned features, fixes, and configuration updates across development, test, integration, and staging environments spanning NIPRNet, SIPRNet, and JWICS under the guidance of senior software engineers. This is an entry-level role offering meaningful hands-on exposure to full-lifecycle, mission-critical government software engineering within a high-tempo DevSecOps delivery environment where code quality and security compliance directly impact warfighter outcomes.
• Supports War Data Platform (WDP) Core Integration software development by creating application features, scripts, and configuration updates across development, test, integration, and staging environments operating on NIPRNet, SIPRNet, and JWICS.
• Writes foundational code using Python, JavaScript, Java, Terraform, Docker, and GitLab workflows to contribute to analytic tools, user interfaces, and automation services.
• Leads bug-fix activities and minor feature implementation while reviewing requirements, creating simple design sketches, and seeking clarification to validate technical direction.
• Implements assigned code components, runs existing Infrastructure-as-Code scripts, and applies baseline hardening standards while learning Department of War Security Technical Implementation Guide requirements.
• Updates Infrastructure-as-Code and Configuration-as-Code modules by modifying templates, variables, and resource definitions used to maintain consistent provisioning.
• Assists with virtual-machine and container-application hardening by validating configuration baselines, removing prohibited services, and updating image parameters aligned to DoW container-hardening standards.
• Supports security-scanning workflows by preparing code for static analysis, dependency checks, vulnerability assessments, and compliance validation performed within continuous integration and continuous deployment pipelines.
• Triggers builds, adds basic unit tests, addresses linting errors under guidance, and executes existing scanning scripts while applying minor corrective changes.
• Diagnoses coding errors, configuration discrepancies, and pipeline issues through log inspection, debugging tools, and environment consoles.
• Monitors dashboards, follows runbooks to resolve alerts, and contributes brief documentation such as README updates and code comments.
• Participates in Agile ceremonies, collaborates with senior engineers, follows story definitions, and delivers well-scoped tasks aligned to mission priorities.
• Produces structured notes, code revisions, documentation updates, and configuration artifacts that support traceability and maintain alignment with War Data Platform (WDP) Core Integration software-engineering objectives.
• Performs other duties as assigned.
• Current Secret security clearance with the ability to obtain and maintain a Top Secret (TS) security clearance with Sensitive Compartmented Information (SCI).
• 0-3 years of experience in software engineering, application development, or a closely related technical discipline, including relevant academic, internship, capstone project, or personal portfolio experience demonstrating practical coding ability.
• Foundational proficiency in one or more of the following languages or technologies: Python, JavaScript, or Java, with a basic working awareness of containerization concepts using Docker, version control workflows using Git or GitLab, and Infrastructure-as-Code principles using Terraform or equivalent tooling.