Software Engineer - TS/SCI with Polygraph

Transform technology into opportunity as a Software Engineer with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most while you build valuable skills that will help you in your career. At GDIT you’ll be at the forefront of innovation and play a meaningful part in improving how agencies operate.

We are seeking an experienced Software Engineer SME to design, develop, integrate, and maintain enterprise‑grade applications and data systems across complex mission environments. This role provides expert‑level engineering support for scalable back‑end services, microservices architectures, databases, APIs, and CI/CD pipelines. Responsibilities include full‑stack application development, data management, performance optimization, and technical leadership across Agile delivery teams.

REQUIRED SKILLS AND DEMONSTRATED EXPERIENCE:

Applications Development

• Build and maintain scalable, secure, and reliable back‑end systems using Python, Node.JS, Vue.JS, and RAILS.

Data Management

• Design and optimize relational (PostgreSQL, MySQL) and NoSQL (MongoDB) database schemas, queries, indexing, and performance tuning for high‑volume datasets.
• Build and maintain data ingestion pipelines, AWS S3 data workflows, and connections integrating authoritative data repositories.

DevSecOps, Automation & CI/CD

• Build and maintain CI/CD pipelines enabling automated testing, deployment, security checks, and performance validation.
• Use containerization tools (Docker, Kubernetes) for application packaging, deployment, scaling, and orchestration.
• Apply infrastructure‑as‑code techniques (Terraform, CloudFormation, Ansible) for reliable, repeatable deployments and configuration management.

Systems Integration & Performance Optimization

• Ensure seamless integration between front‑end interfaces and back‑end systems to provide consistent user experiences.

Agile Execution & Technical Leadership

• Participate in Agile sprint planning, backlog refinement, user story decomposition, and delivery of incremental mission value.
  

WHAT YOU’LL NEED TO SUCCEED:

• Education: Bachelor’s degree in Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.
• Experience: 10+ years
• Security clearance: TS/SCI with Polygraph
• Location: Tyson's, VA (On Customer Site)
• US Citizenship Required

GDIT IS YOUR PLACE:

• 401K with company match
• Comprehensive health and wellness packages
• Internal mobility team dedicated to helping you own your career
• Professional growth opportunities including paid education and certifications
• Cutting-edge technology you can learn from
• Rest and recharge with paid vacation and holidays