Software Engineer - TS​/SCI Polygraph

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:

None

Public Trust/Other

Required:

None

Job Family:

Software Engineering

Job Qualifications:

Skills:

Full Stack Development, Node.js, Rails, Vue.js

Certifications:

None

Experience:

10 + years of related experience

US Citizenship

Required:

Yes

Job Description:

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 No
  
  SQL (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.

Dev Sec Ops , 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, Cloud Formation, 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

The likely salary range for this position is $162,037 - $219,227. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly

Hours:

40

Travel Required:

Less than 10%

Telecommuting Options:

Onsite

Work Location:

USA VA Vienna

Additional Work Locations:

Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up…