Job Description
**Description**
**Leidos** has a new and exciting opportunity for a **Sr.** **Inf** **ormation System Security Engineer** in our **Intel Sector's 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!**
***You must have an active TS/SCI Polygraph up front. Unfortunately, no exceptions.***
Leidos has an exciting opportunity for a **Sr.** **I** **nformation System Security Engineer** to join a high performing a...
**Leidos** has a new and exciting opportunity for a **Sr.** **Inf** **ormation System Security Engineer** in our **Intel Sector's 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!**
***You must have an active TS/SCI Polygraph up front. Unfortunately, no exceptions.***
Leidos has an exciting opportunity for a **Sr.** **I** **nformation System Security Engineer** to join a high performing a...
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- Location Annapolis Junction, MD
- Job Type Full-time
- Category other-general
- Posted Date July 27, 2026
- Application Deadline August 02, 2026