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

+ Engineer, design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment support to migrate, deploy, improve, and maintain C2C services.

+ Manage and maintain C2C appliances, applications, servers, and supporting infrastructure on unclassified and classified environments.

+ Coordinate with the network service provider to develop and maintain network architecture diagrams.

+ Evaluate and recommend changes and/or technology upgrades to address performance, standardization, and industry best practices.

+ Monitor and investigate C2C performance and faults and recommend system improvements.

+ Interact with team members and customers at multiple levels to gather, supply, or coordinate technical information.

+ Support Assessment and Authorization (A&A) activities related to cybersecurity technologies.

+ Experience with technologies involved in large-scale enterprise deployments and data centers.

+ Experience deploying and supporting enterprise security software products such as firewalls, IPS, Anti-Virus solutions, application firewalls, high availability solutions, network management systems, and virtual systems.

+ Solid knowledge of Windows and Linux systems, general operating system security practices, TCP/IP networking, 802.1x, and network security concepts.

+ Must hold an active IAT Level II certification (GSEC, Security+, SSCP, or CCNA-Security) or have the ability to obtain it within 6 months of hire.

+ Experience implementing and using complex enterprise software products that involve multiple components.

+ Experience with vendor-agnostic C2C capabilities and services, open-source components and trends, DoD integration and networks, and DoD engineering and sustainment procedures.

+ Experience using security and diagnostic tools such as Nmap, Nessus, and tcpdump.

+ The person in this position must be able to remain in a stationary position 50% of the time.

+ The person in this position occasionally moves about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers.

MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.