Staff Systems Engineer

ManTech

📍 Chantilly, VA, United States

Full-time other-general Posted June 13, 2026

Job Description

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

You will help troubleshoot and fix a cyber security testing environment while developing its replacement. By leveraging your strong technical background, you will support the improvement and sustainment of mission-driven IT solutions that enable secure enterprise operations. This role provides the opportunity to cross train in additional IT areas (e.g., networking, cyber security, etc.).

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

+ Troubleshooting and fixing a 1.0 cyber security testing environment, while developing a 2.0 cyber security testing environment
+ Improving performance and increasing security of 1.0 and 2.0 environments
+ Working with other groups on the same program to troubleshoot issues, apply fixes, improve performance, and increase environment security
+ Working with other system engineers, syst...