Senior Principal Cyber Security Engineer

Description

Summary: Seeking a Senior Principal Cyber Security Engineer to design, implement, and maintain secure and scalable systems, serving as a senior technical leader and mentor. Highlights: 1. Lead and mentor, guiding strategic improvements in cybersecurity technologies. 2. Design, implement, and maintain complex enterprise systems and infrastructure. 3. Collaborate with engineering and cybersecurity teams for optimal solutions. Apply Now MANTECH seeks a motived, career and customer-oriented Senior Principal Cyber Security Engineer to join our team in Chantilly, VA.   You will help design, implement, and maintain secure and scalable systems and infrastructure aligned to mission and business needs. This role ensures performance, integrity, and protection across enterprise plforms while you serve as a senior technical leader and mentor, guiding stregic improvements and staying on the forefront of evolving cybersecurity technologies.   Responsibilities include but are not limited to: Designing, implementing, and maintaining complex enterprise systems and infrastructure th support stregic business objectives. Developing and maintaining comprehensive system architecture and design documention, including network diagrams for cyber defense capabilities. Collaboring with engineering and cybersecurity teams to ensure solutions meet security, performance, and scalability standards. Managing and configuring network devices and appliances, including Juniper, Cisco, F5, and similar plforms. Administering and troubleshooting Windows, Linux, and vendor appliance-based systems to ensure high availability and performance. Planning and executing OS upgrades, pches, migrions, and system lifecycle tasks. Implementing system monitoring, security event policies, and proactive response mechanisms.   Minimum Qualificions: Bachelor’s degree in computer science or engineering or 4+ years of additional experience in lieu of degree 10+ years of experience with systems and/or cybersecurity engineering. Experience meeting security requirements in the Sponsor's environment or similar complex environments. Experience working across a large team to drive a security agenda and working with complex, intertwined systems and da flows. Experience inventorying complex networks and managing network documention such as security compliance, configurion management, and pching. Experience creing, maintaining, and communicing complex informion technology documention, particularly network and security documention. Proficiency in vulnerability management including scanning, assessment, remediion, and reporting across networks.   Preferred Qualificions: Certified Informion Systems Security Professional (CISSP certificion). Experience with the Sponsor’s primary cyber risk and compliance automion tools. Self-starter with excellent people skills—able to work across teams, organize meetings/boards, and drive change throughout an organizion. Prior support to IC or DoD environments involving the Sponsor's accredition process and ICD 503 requirements.   Clearance Requirements: An active TS/SCI with Polygraph.   Physical Requirements: Must be able to remain in a stionary position 50%. Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. Frequently communices with co-workers, management, and customers, which may involve delivering presentions. Must be able to exchange accure informion in these situions. Apply Now