Senior Principal Cyber Security Engineer

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

This role supports enterprise-wide cybersecurity operations by providing advanced engineering and technical expertise across Comply-to-Connect (C2C) solutions in both classified and unclassified environments.

Responsibilities include but are not limited to:

• You will engineer, design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment support to migrate, deploy, improve, and maintain C2C services.
• You will manage and maintain appliances, applications, servers, and supporting infrastructure in both unclassified and classified environments.
• You will coordinate with the network service provider to develop and maintain network architecture diagrams.
• You will evaluate and recommend changes and/or technology upgrades to improve performance, ensure standardization, and align with industry best practices.
• You will monitor and investigate C2C performance and faults and recommend improvements to system reliability and performance.
• You will interact with team members and customers at multiple levels to gather, supply, and coordinate technical information.
• You will support Assessment and Authorization activities related to cybersecurity technologies where applicable.

Minimum Qualifications:

• A Bachelor's degree or 4+ additional years of cyber experience in lieu of a degree
• 10+ years of cyber experience
• Experience with technologies involved in large-scale enterprise network deployments and data centers
• Hands-on experience deploying and/or supporting enterprise security software products such as firewalls, IPS, Anti-Virus solutions, application firewalls, high availability solutions, network management systems, and virtual systems
• Knowledge of Windows and Linux systems, general operating system security practices, TCP/IP networking, 802.1x, and network security concepts
• An active IAT Level II (GSEC, Security+, SSCP, or CCNA-Security) certification or the ability to obtain one within six months of hire

Preferred Qualifications:

• Experience implementing and using complex software products that involve multiple components
• Real-time, enterprise-level C2C expertise, including vendor-agnostic services, open-source trends, and proficiency in DoD integration, engineering, and sustainment processes
• Experience with Cisco Identity Services Engine (ISE)
• Familiarity with tools such as Nmap, Nessus, and tcpdump

Clearance Requirements:

• Must have a current/active TS/SCI with CI Polygraph

Physical Requirements:

• The person in this position must be able to remain in a stationary position 50% of the time.
• Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and/or virtual communication, which may involve delivering presentations.