M

Principal Cyber Systems Engineer

ManTech

Chantilly, VA, United States Full-time May 27, 2026
Apply Now

Opportunity Description

**MANTECH** seeks a motivated, career and customer-oriented **Principal Cyber Systems Engineer** to join our team in **Chantilly, VA** .

The Principal Cyber Systems Engineer will leverage their strong technical background and knowledge to support complex cybersecurity initiatives by delivering hands-on engineering expertise across a wide range of security technologies. You will help protect vital systems and drive cyber defense innovation in a collaborative, high-impact environment.

**Responsibilities include but are not limited to:**

+ Providing engineering support and system administration for specialized cybersecurity applications and systems—including installation, configuration, maintenance, patching, and backup/restoration
+ Serving as a subject matter expert in the creation, editing, and management of signatures, rules, filters, and custom content for cybersecurity systems such as IDS, IPS, firewalls, web application firewalls, proxy servers, an...
Full-time other-general

Ready to Apply?

Submit your application for Principal Cyber Systems Engineer at ManTech

Apply for this Position