Location
Chantilly
Job Type
Full-time
Posted
June 13, 2026
Job Description
**MANTECH** seeks a motivated, career and customer-oriented **Senior** **Principal Cyber Systems Engineer** to join our team in **Chantilly, VA** .
The Senior 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 firewall...
The Senior 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 firewall...
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