Software Engineer (Developer, OpenSearch)-TS/SCI with Polygraph

General Dynamics Information Technology

Chantilly (VA)

On-site

USD 120,000 - 170,000

Full time

8 days ago
Application generator

Don’t send a generic resume — generate a resume and cover letter tailored to this exact role.

Get past ATS filters

Benefits offered by this job

AI-powered career tool
Internal mobility team
Comprehensive benefits
Military-friendly workplace

Job summary

General Dynamics Information Technology in Chantilly, VA is seeking a Software Engineer Principal to design, develop, test, and deploy cloud-based software for mission-critical government projects. You will lead hands-on development across data platforms, big data analytics, and OpenSearch, working in an agile, cross-functional team.

You’ll own the OpenSearch data layer architecture, implement scalable ingestion pipelines in AWS, and mentor peers while maintaining documentation and applying best

Qualifications

  • Bachelor's degree or equivalent combination of education, training, and experience.
  • Minimum 2+ years of related engineering experience.
  • Must have TS/SCI with Polygraph security clearance.
  • U.S. citizenship required.
  • Hands-on experience with Python, REST APIs, and OpenSearch/Elasticsearch.

Responsibilities

  • Design, develop, test, and debug cloud-based software tools for mission-critical environments.
  • Build and deploy AWS-based data ingestion pipelines using S3, EC2, and IAM.
  • Collaborate with data scientists, analysts, and engineers to implement scalable solutions.
  • Own OpenSearch data layer architecture and indexing strategies.
  • Maintain documentation and support production systems.

Skills

Python
Git
OpenSearch
Elasticsearch
AWS CDK
Terraform
REST APIs
Unit testing

Education

Bachelor's degree

Tools

AWS CDK
Terraform

Job description

SOFTWARE ENGINEER PRINCIPAL

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

MEANINGFUL WORK AND PERSONAL IMPACT

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 OpenSearch 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.

KEY RESPONSIBILITIES
  • 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 OpenSearch.
  • As an OpenSearch expert, drive the design of indexing strategies, query optimizations, and maintain overall architectural ownership of the OpenSearch 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.
WHAT YOU’LL NEED TO SUCCEED

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 OpenSearch 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
GDIT IS YOUR PLACE

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
OWN YOUR OPPORTUNITY

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.

#VA_2026Alumni

#GDITEnhanced2026

#GDITCareers

#JET

Get your free, confidential resume review.
or drag and drop your file here.
Similar jobs

Similar jobs worth comparing

Software Engineer 3
Software Engineer 3

General Dynamics Information Technology • Maryland

On-site
USD 100,000 - 130,000
Comprehensive benefits
401K with company match
Paid time off
Software Engineer - TS/SCI with Polygraph
Software Engineer - TS/SCI with Polygraph

General Dynamics Information Technology • Chantilly (VA)

On-site
USD 150,000 - 190,000
401K with company match
Comprehensive health and wellness
Internal mobility team
+3
Graph Database Engineer-TS/SCI with Polygraph
Graph Database Engineer-TS/SCI with Polygraph

General Dynamics Information Technology • Chantilly (VA)

On-site
USD 140,000 - 190,000
AI-powered career tool
Internal mobility team
Comprehensive benefits and 401K match
+2
Software Engineer Senior_TS/SCI with Polygraph
Software Engineer Senior_TS/SCI with Polygraph

General Dynamics Information Technology • Alexandria (VA)

On-site
USD 120,000 - 170,000
401K with company match
Paid time off
Wellness packages
Software Engineer (TS/SCI with Poly Required)
Software Engineer (TS/SCI with Poly Required)

GCI Incorporated • Chantilly (VA)

On-site
USD 100,000 - 130,000
Software Engineer
Software Engineer

General Dynamics Information Technology • Falls Church (VA)

On-site
USD 110,000 - 140,000
Software Engineer 2
Software Engineer 2

Praxis Engineering • Maryland

On-site
USD 152,000 - 206,000
Software Engineer 3
Software Engineer 3

Praxis Engineering • Maryland

On-site
USD 175,950 - 238,050
Comprehensive benefits and wellness packages
401K with company match
Paid time off
Senior Software Engineer — TS/SCI w/ Poly, Linux & CI/CD
Senior Software Engineer — TS/SCI w/ Poly, Linux & CI/CD

Praxis Engineering • Maryland

On-site
USD 152,000 - 206,000
Full Stack Software Developer - TS/SCI w/Polygraph
Full Stack Software Developer - TS/SCI w/Polygraph

General Dynamics Information Technology • Herndon (VA)

On-site
USD 140,000 - 190,000
401K with company match
Health and wellness programs
Education & certifications support
+1