Principal Software Engineer TS/SCI Polygraph
Location
Hanover, MD
Job Type
Full-time
Category
other-general
Posted
May 31, 2026
**Description**
**Leidos** has a new and exciting opportunity for a **Principal Software Engineer** in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
At **Leidos** , we offer **competitive benefits** , including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. **Join us and make a difference in National Security!**
The Principal Software Engineer will serve as technical anchor for a new feature/capability being added to our product.Ideal candidate will be able to architect/design a new feature and translate complex business requirem...
**Leidos** has a new and exciting opportunity for a **Principal Software Engineer** in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
At **Leidos** , we offer **competitive benefits** , including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. **Join us and make a difference in National Security!**
The Principal Software Engineer will serve as technical anchor for a new feature/capability being added to our product.Ideal candidate will be able to architect/design a new feature and translate complex business requirem...