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

GDIT · USA VA Chantilly · Posted 2026-09-04

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Job description

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: ElasticSearch, Git, OpenSearch (Software), Python Frameworks, REST Certifications: None Experience: 8 + years of related experience US Citizenship Required: Yes 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 SUCCEEDBring 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 VPCGDIT IS YOUR PLACEAt 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 workplaceOWN YOUR OPPORTUNITYExplore a career in software development at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your dedication to advancing innovation.The likely salary range for this position is $124,093 - $142,706. 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:40Travel Required: None Telecommuting Options: Onsite Work Location: USA VA Chantilly 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 to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most. Our Identity Verification Process: As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud.