Cyber Security Engineer, Senior Principal

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 diagramsEvaluate and recommend changes and/or technology upgrades to address performance, standardization, and industry best practicesMonitor and investigate C2C performance and faults and recommend improvements.Interacts with other team members and customers at multiple levels to gather, supply, or coordinate informationGood communication and customer service skills are needed along with ability to coordinate effectively with individuals from multiple levels and across multiple teamsSupports Assessment and Authorization activities related to cybersecurity technologies, where applicableBasic Qualifications:Minimum education: B.S. or 4 additional years of experienceMinimum/general experience: 10+ years of related experienceExpertise in technologies involved in large scale enterprise deployments/data centersExperience 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 systemsExperience with tools such as Nmap, Nessus, and tcpdumpExperience implementing and using complicated software products that involve multiple componentsAbility to clearly document complicated steps and proceduresWorking knowledge of shell, perl and xml scriptingExperience 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 plusCisco Identity Services Engine (ISE) experience desired, not requiredKnowledge of Windows and Linux systems, general operating system security practices, TCP/IP networking, 802.1x and network security concepts is requiredMust have or be willing to obtain IAT Level II or higher certification within 6 months of hireClearance Requirements:Active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 75% of the timeConstantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printerThe 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 situationsMust be able to detect information on a computer screen

Created: 2025-01-31