Software Developer (Systems Software) - TS/SCI w/ Poly

Public Trust: None

Requisition Type: Regular

Your Impact

Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats.

Job Description

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.

Transform technology into opportunity as a Software Developer Sr Principal at GDIT. Shape what’s next for mission-critical government projects while shaping what’s next for your engineering career. The ideal candidate will be a Software Developer in design, development, coding, testing, and debugging new software or providing complex enhancements to existing software. Works with technical staff to understand and to develop resolution of software operational and transformational activities. Successful candidate will have experience with multiple languages (including Java, Python, Ruby) and web frameworks (including Spring and Rails) as well as big data systems.

RESPONSIBILITIES:

• Modernizes legacy Java, Python, and Ruby code as part of the migration to a cloud-based computing environment.
• Designs, implements, and maintains Infrastructure as Code (IaC) solutions using tools like Terraform to automate provisioning, improve scalability, and ensure environment consistency across development, staging, and production.
• Must be comfortable working with software developers to identify and resolve defects.
• Experience working with GitHub, Jira and Confluence.
• Assists with the transition of existing batch processing systems to a near-real time streaming pipeline.
• Maintains current knowledge of relevant technology as assigned.
• Identifies and resolves complex hardware/software interface issues.
• Test and documents performance benchmarks and metrics for developed software.
• Designs and implements cloud-native data processing capabilities using tools such as Hadoop, Hive, and other big data software.
• Supports the design and development of a large scale structured search system
• Works with a cross functional team of developers, QA, DevOps, and security to develop, deliver, and sustain a complex production system.

REQUIRED SKILLS:

• 8+ years of software development experience with at least two of Java, Python, Ruby, or JavaScript
• Experience with Linux-based systems and shell scripting.
• Experience developing web applications, including familiarity with frontend JavaScript.
• Experience with relational databases (e.g. MySQL, PostgreSQL)
• Experience with application development and deployments with Amazon Web Services.
• Experience analyzing large volumes of complex structured and unstructured data.

DESIRED SKILLS:

• Experience with Hive and other big data processing technologies.
• Experience developing batch data processing pipelines.

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.
• Location: Herndon, VA
• Hours: Contract core hours, 9am - 3pm
• Security Clearance: TS/SCI with Polygraph
• 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

#WeAreGDIT
#JET
#GDITEnhanced2026
#VA_2025Alumni

Work Requirements

Years of Experience

8 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification

Travel Required

None

Citizenship

U.S. Citizenship Required