Senior Cyber Security EngineerMANTECH seeks a motivated, career and customer-oriented Senior Cyber Security Engineer to join our team in Chantilly, VA. This role supports the Comply-to-Connect (C2C) mission by engineering and sustaining secure network infrastructures across classified and unclassified environments. You will work alongside cyber experts to develop solutions that enhance network compliance and security posture across DoD systems.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 servicesManage and maintain appliances, applications, servers, and supporting infrastructure in both classified and unclassified environmentsCoordinate 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 improvementsInteract with other team members and customers at multiple levels to gather, supply, or coordinate informationSupport Assessment and Authorization activities related to cybersecurity technologies, where applicableMinimum Qualifications:Bachelor's degree or 4+ years of additional cyber experience in lieu of degree5+ years of cyber experienceExperience with technologies involved in large-scale enterprise network deployments and data centersExperience 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 systemsKnowledge of Windows and Linux systems, general operating system security practices, TCP/IP networking, 802.1x, and network security conceptsIAT Level II certification (GSEC, Security+, SSCP, or CCNA-Security) or ability to obtain within 6 months of hirePreferred Qualifications:Experience implementing and using complex software products involving multiple integrated componentsReal-time, enterprise-level C2C expertise including vendor-agnostic services, open-source trends, and proficiency in DoD integration, engineering, and sustainment processesExperience with Cisco Identity Services Engine (ISE)Experience with tools such as Nmap, Nessus, and tcpdumpClearance Requirements:Must have a current/active TS/SCI with PolygraphPhysical Requirements:The person in this position must be able to remain in a stationary position 50% of the timeOccasionally 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 presentationsgroup id: RTX14564a