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⏰ Full-time

Security Infrastructure Engineer

Leidos
Location 📍 Alexandria, United States
Posted 📅 June 10, 2026
Work Type ⏰ Full-time

Position Overview

**Description**

As a Security Engineer on our team, you will operate and maintain network security infrastructure utilized by a team of cybersecurity analysts in support of 24x7x365 mission-critical operations. This position is located in Alexandria, VA and is fully on-site.

Primary Responsibilities:

+ Work with government counterparts, contractors, and internal team members to deploy and manage policies, rules, and signature sets on cybersecurity capabilities
+ Manage high-priority tasks and outages
+ Maintain, develop, and improve Security Infrastructure standard operating procedures and tactics, techniques, and procedures (TTPs)
+ Maintain complete and current network and elevation diagrams for all managed security equipment
+ Coordinate and comply with applicable change control boards and corresponding processes
+ Advise and strategize with government and program leadership on ways to improve the security infrastructure, requiring multi-dim...

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Job Details

Employment Type
Full-time
📊
Category
other-general
🏠
Work Arrangement
On-site
📍
Location
Alexandria, United States