Senior Principal Software Engineer – (Secret Clearance Preferred – Onsite Required)
AI summary of the role
Lead software engineer for a high-performance big data system using Agile methodologies.
No longer in the current catalog. Last included 2026-09-09. Check the employer’s posting for availability.
What you’ll do
- Lead and perform software requirements analysis, design, development, testing, and maintenance of an operational big data system
- Tailor cutting-edge solutions to unique client requirements
- Mentor and coach other software engineers
- Participate in research for system improvements
What you’ll bring
- 10+ years of related experience
- Proven ability to create high performance applications using Modern C++ (11/14/17/20) in Linux
- Experience with database technologies, SQL, ETL, indexing and performance
- Experience with parallel and multi-threaded programming and multi-process applications
Technologies
C++ STL · Linux Bash · Multithreaded Application Development · Data ETL · Data Warehouse · MongoDB · Ruby · Python · Azure Cloud · NUMA
About General Dynamics Information Technology
Builds and runs mission IT, cyber, AI/cloud, C5ISR and health systems for U.S. government, defense and intelligence agencies.
Public · 5000+ people
Source and classification
Internal deployment & tooling · Evidence for this classification:
Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: C++ STL, Data ETL, Data Warehouse, Linux Bash, Multithreaded Application Development Certifications: None Experience: 10 + years of related experience US Citizenship Required: Yes Job Description: SOFTWARE ENGINEER SR PRINCIPAL GDIT is seeking a Principal Software Engineer to join our team. This challenging and interesting software engineering and development position is a chance to participate in the development and operation of a high-performance big data system, and join a longstanding, stable program consisting of a team of individuals using defined Agile software principles and practices. As a Senior Principal Software Engineer, you will lead and perform
More from the job description
Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: C++ STL, Data ETL, Data Warehouse, Linux Bash, Multithreaded Application Development Certifications: None Experience: 10 + years of related experience US Citizenship Required: Yes Job Description: SOFTWARE ENGINEER SR PRINCIPAL GDIT is seeking a Principal Software Engineer to join our team. This challenging and interesting software engineering and development position is a chance to participate in the development and operation of a high-performance big data system, and join a longstanding, stable program consisting of a team of individuals using defined Agile software principles and practices. As a Senior Principal Software Engineer, you will lead and perform software requirements analysis, design, development, testing, maintenance and participate in research of an operational big data system. The Senior Principal Software Engineer focuses on proficiency and quality of software and application development and programming to deliver solutions to complex problems. You will tailor cutting-edge solutions to the unique requirements of our clients. Additionally, the Senior Principal Software Engineer may mentor and coach other software engineers. US Citizenshi [... source excerpt omitted ...] vely with project teams, managers, and end users Maintain commitment to ongoing professional development Be able to grasp and apply new information quickly and handle increasing responsibilities with growing complexity Be a creative and innovative thinker with the ability to multi-task CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required before starting on program. Applicants selected will be subject to a government background investigation and must meet eligibility and suitability requirements. Due to the nature of work performed within our facilities, U.S. citizenship is required. GDIT IS YOUR PLACE: 401K with company match Comprehensive health [... source excerpt omitted ...] n is $161,500 - $218,500. 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 Oakton 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
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