• Principal Cyber Security Engineer

    ManTech (Chantilly, VA)


    **Mantech** seeks a motivated and customer-focused **Principal Cyber Security Engineer** to join our team in **Chantilly, VA** . In this role, you will help design, implement, and sustain mission-driven cybersecurity solutions that enable secure enterprise operations. You will provide technical leadership and hands-on expertise in supporting Comply-to-Connect (C2C) systems across both classified and unclassified environments.

    Responsibilities include but are not limited to:

    • Engineering, designing, implementing, integrating, and sustaining Comply-to-Connect (C2C) deployment support to migrate, deploy, enhance, and maintain C2C services

    • Managing and maintaining C2C appliances, applications, servers, and supporting infrastructure in unclassified and classified environments

    • Coordinating with the network service provider to develop and maintain network architecture diagrams

    • Evaluating and recommending changes or technology upgrades to support performance improvements, standardization, and alignment with industry best practices

    • Monitoring and analyzing C2C performance and faults and proposing solutions for optimization

    • Collaborating with other team members and customers across multiple levels to gather, supply, or coordinate technical and operational information

    • Supporting Assessment and Authorization activities related to cybersecurity technologies, as applicable

    Minimum Qualifications:

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

    • 7+ years of experience in cybersecurity

    • Hands-on experience with technologies supporting large-scale enterprise deployments or data centers

    • Experience deploying and/or supporting enterprise security software such as firewalls, intrusion prevention systems (IPS), antivirus solutions, application firewalls, high availability systems, network management tools, and virtualization platforms

    • Strong knowledge of Windows and Linux systems, operating system security practices, TCP/IP networking, 802.1x, and core network security principles

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

    Preferred Qualifications:

    • Experience implementing and supporting complex, multi-component software solutions

    • Familiarity with vendor-agnostic C2C capabilities, open-source cybersecurity tools, DoD integration practices, and sustainment procedures for delivering enterprise C2C expertise

    • Proficiency with Cisco Identity Services Engine (ISE)

    Clearance Requirements:

    • An active TS/SCI with Polygraph is required for this position.

    Physical Requirements:

    • Must be able to remain in a stationary position 50% of the time.

    • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

    • Frequently communicates with co-workers, management, and customers. Must be able to exchange accurate information in these situations.

     

    ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

     

    If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at [email protected] and provide your name and contact information.