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Principal Cyber Systems Engineer

MANTECH

chantilly, virginia, United-States Full-time June 14, 2026
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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,...
Full-time Other-General

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