Principal Cyber Security Engineer

General information

Requisition # R59691 Locations USA-VA-Chantilly Posting Date 04/09/2025 Security Clearance Required TS/SCI w/ Poly Remote Type Onsite Time Type Full time

Description & Requirements

Unlock the secrets of intelligence with ManTech! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with ManTech!

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

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

• Supports Assessment and Authorization activities related to cybersecurity technologies, where applicable

Minimum Qualifications:

• Bachelor’s degree or 4+ years of additional cyber experience in lieu of degree

• 7+ years of cyber experience

• Experience with technologies involved in large scale enterprise deployments/data centers

• Experience with 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

• Knowledge of Windows and Linux systems, general operating system security practices, TCP/IP networking, 802.1x and network security concepts is required

• IAT Level II (GSEC, Security+, SSCP, or CCNA-Security) certification or ability to obtain within 6 months of hire

Preferred Qualifications:

• Experience implementing and using complicated software products that involve multiple components

• 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

• Experience with Cisco Identity Services Engine (ISE)

• Knowledge of Shell, P