Senior Principal Software Engineer – (Secret Clearance Preferred – Onsite Required)
Location
Oakton, VA
Job Type
Full-time
Category
other-general
Posted
June 10, 2026
**Req ID:** RQ219570
**Type of Requisition:** Regular
**Clearance Level Must Be Able to Obtain:** Secret
**Public Trust/Other Required:** None
**Job Family:** Software Engineering
**Skills:**
C++ STL,Data ETL,Data Warehouse,Linux Bash,Multithreaded Application Development
**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...
**Type of Requisition:** Regular
**Clearance Level Must Be Able to Obtain:** Secret
**Public Trust/Other Required:** None
**Job Family:** Software Engineering
**Skills:**
C++ STL,Data ETL,Data Warehouse,Linux Bash,Multithreaded Application Development
**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...