Job Description

ManTech is seeking a motivated, career and customer-oriented Senior Principal Cyber Security Engineer to join our team in the Chantilly, VA . As a Senior Principal Cyber Security Engineer, you will be responsible for expanding network architecture of various vendor network devices, such as routers, switches, load balancers and firewalls. Work closely with teams of engineers to implement and maintain the complex architecture. Responsibilities include, but are not limited to: Engineer, design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment support to migrate, deploy, improve, and maintain C2C services. Comply-to-Connect support is comprised of managing and maintaining the 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 improvements. Interacts with other team members and customers at multiple levels to gather, supply, or coordinate information Good communication and customer service skills are needed along with ability to coordinate effectively with individuals from multiple levels and across multiple teams Supports Assessment and Authorization activities related to cybersecurity technologies, where applicable Basic Qualifications: Minimum education: B.S. or 4 additional years of experience Minimum/general experience: 10 years of related experience Expertise in technologies involved in large scale enterprise deployments/data centers Experience in deploying and/or supporting enterprise security software products such as firewalls, IPS, Anti-Virus solutions, application firewalls, high availability solutions, network management systems, virtual systems Experience with tools such as Nmap, Nessus, and tcpdump Experience implementing and using complicated software products that involve multiple components Ability to clearly document complicated steps and procedures Working knowledge of shell, perl and xml scripting Experience with vendor agnostic C2C capabilities and services, open-source components and trends, DoD integration and networks, and DoD engineering and sustainment procedures and processes to deliver real time C2C enterprise-level expertise to the customer base a plus Cisco Identity Services Engine (ISE) experience desired, not required Knowledge of Windows and Linux systems, general operating system security practices, TCP/IP networking, 802.1x and network security concepts is required Must have or be willing to obtain IAT Level II or higher certification within 6 months of hire Clearance Requirements: Active TS/SCI with Polygraph Physical Requirements: Must be able to remain in a stationary position 75% of the time Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations Must be able to detect information on a computer screen

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