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⏰ Full-time

Senior Information Security Engineer

Leidos
Location πŸ“ Chantilly, United States
Posted πŸ“… June 04, 2026
Work Type ⏰ Full-time

Position Overview

**Description**

Leidos is seeking an Information Systems Security Engineer (ISSE) for a technical development program supporting cloud-based applications, and its associated cloud infrastructure located on a highly secure network. The ISSE will work with a large team of developers, system engineers, DevOps engineers, database administrators, and system architects.

Core business hours for the team are from 9 AM to 3 PM daily – exceptions outside of those hours for the candidate may be negotiated in consultation with management.

The typical day for an ISSE supporting the cloud-based applications is as follows:

+ The ISSE will participate in the team’s regularly scheduled Agile tag up (scrum) meetings and report on the status of their assigned Jira issues
+ Attend ad-hoc TEMs with the team to discuss and weigh in on numerous architectural aspects of the systems for assessing security impacts that may arise with system changes
+ Assist with and/or ...

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Job Details

⏰
Employment Type
Full-time
πŸ“Š
Category
other-general
🏠
Work Arrangement
On-site
πŸ“
Location
Chantilly, United States