Software Engineer; Developer, OpenSearch-TS​/SCI Polygraph

SOFTWARE ENGINEER PRINCIPAL

Transform technology into opportunity as a Software Engineer pe what’s next for mission-critical government projects while shaping what’s next for your engineering career.

As a Software Engineer Principal, the work you’ll do at GDIT will be impactful to the mission. The Software Engineer Principal will design, develop, code, test, and debug complex software products to be deployed in a mission critical environment. The ideal candidate is a hands‑on developer with significant experience in scalable data platforms, cloud‑based services, and big data analytics, and Open Search or Elasticsearch.

They must have strong, firsthand technical expertise in a variety of data ingestion/computation technologies and the proven ability to fashion robust scalable solutions that can manage large data sets. They must be at ease working in an agile environment with a cross‑functional team. This person should embody a passion for innovation and continuous improvement.

• Work with a team to write new cloud-based applications and tools and recommend new technologies and methodologies to improve system performance and usability.
• Design, develop, test, debug, and deploy new software tools that extend or replace existing capabilities to parse raw data for analysis.
• Collaborate cross‑functionally with data scientists, analysts, project managers and other engineers and technical SMEs.
• Deploy new software into an AWS-based data ingest pipeline.
• Write software that interacts with multiple data types and stores data into S3 buckets that is queried by processes running Athena or Open Search.
• As an Open Search expert, drive the design of indexing strategies, query optimizations, and maintain overall architectural ownership of the Open Search data layer.
• Troubleshoot complex problems and provide support to mission areas for software systems and application issues.
• Maintain good documentation for new software written and new procedures to be followed.
• Provide recommendations for continuous improvement.
• Work alongside other engineers on the team to sustain and advance our organization’s capabilities.

Bring your engineering expertise along with a drive for innovation to GDIT. The Software Engineer must have:

• Education:
  
  Bachelor of Arts/Bachelor of Science or equivalent combination of education, technical certifications, training, and work/military experience.
• Experience:
  
  2+ years of related experience
• Security clearance level: TS/SCI with Polygraph
• US citizenship required
• Role requirements:
  • Demonstrated hands‑on experience with Python, Git, and unit testing frameworks.
  • Demonstrated hands‑on experience with building APIs and services using REST.
  • Demonstrated hands‑on experience with Open Search or Elasticsearch.
  • Demonstrated hands‑on experience with AWS CDK 1 and/or 2 or Terraform.
  • Demonstrated hands‑on experience applying object‑oriented design principles and patterns to architect scalable, maintainable, and testable software systems in production environments.
  • Demonstrated hands‑on experience designing and developing applications using core AWS services, including EC2, S3, IAM, and VPC

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

• Growth: AI-powered career tool that identifies career steps and learning opportunities
• Support:
  An internal mobility team focused on helping you achieve your career goals
• Rewards:
  Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
• Community:
  Award-winning culture of innovation and a military-friendly workplace

Explore a career in software development at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your dedication to advancing innovation.

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2026

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