Senior Software Engineer

Advance your career while impacting our national security in cyber as a Senior Software Engineer at GDIT. Here, technologists have many paths to grow a meaningful career supporting cyber missions and operations across the federal government. The Advanateam is seeking a Senior Software Engineer to join their program. Advana is the Chief Digital and Artificial Intelligence Office’s (CDAO) enterprise-wide, multi-domain data, analytics, and artificial intelligence (AI) platform that provides all DoW military and civilian decision makers, analysts, and builders with unprecedented access to enterprise data, tools, and capabilities. Senior Software Engineer Responsibilities Executes complex software engineering activities by transforming system design artifacts, user requirements, and mission workflows into scalable software capabilities supporting Advana operations on NIPRNet, SIPRNet, and JWICS. Develops advanced application features, data‑processing logic, and automation modules using Python, Java, Go, JavaScript, Terraform, Docker, and Kubernetes to expand mission analytics, platform services, and customer‑facing tools. Leads complex feature development, conducts in‑depth code reviews, and drives high‑volume story‑point delivery across sprint cycles. Owns the application architecture, resolves design conflicts, defines the security‑by‑design baseline, and establishes immutable infrastructure patterns through reusable Terraform and Ansible modules. Reviews all code for security and compliance alignment and architects end‑to‑end pipeline workflows with clearly defined quality gates. Creates baseline STIG and container‑hardening profiles, automates compliance reporting, and leads remediation strategies across mission applications. Designs Infrastructure‑as‑Code and Configuration‑as‑Code patterns that enforce environmental consistency, reduce configuration drift, and support repeatable provisioning across the full software lifecycle. Integrates automated testing components into continuous integration and continuous deployment pipelines to support unit testing, regression analysis, compliance validation, performance testing, and mission‑aligned acceptance checks. Designs observability stacks, leads incident post‑mortems, and authors high‑level architecture and compliance documentation. Evaluates emerging technologies and drives adoption strategies that strengthen mission resilience. Collaborates with platform engineering, cybersecurity operations, configuration‑management teams, and DevSecOps pipeline engineers to resolve integration challenges and enhance reliability across mission applications. Delivers source‑code updates, technical documentation, performance summaries, and enhancement recommendations that strengthen resilience, expand capability coverage, and improve operational effectiveness across the Advana ecosystem. Requirements Education: Technical Training, Certification(s) or Degree Experience: 3+ years of related experience Security clearance level: TS/SCI Clearance #J-18808-Ljbffr General Dynamics Information Technology