• Software Development Engineer , Leo Trust…

    Amazon (Herndon, VA)
    …and strong authentication, enabling the confidentiality for our customers and security for our constellation. Our team drives the development, deployment, and ... operation of mission-critical security systems for the Leo constellation and customer terminals....customer terminals. We are looking for a Software Development Engineer interested in building services around public key infrastructure,… more
    Amazon (01/08/26)
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  • Hbss/ESS Cyber Engineer (Trellix ePO)

    BAE Systems (Norfolk, VA)
    …Senior cybersecurity certifications such as ISC2 Certified Information Systems Security Professional (CISSP), ISC2 CISSP- Architecture , ISACA Certified ... **Job Description** BAE Systems is seeking a highly skilled DISA Endpoint Security Solution (ESS) support professional to serve as a subject matter expert (SME) in… more
    BAE Systems (01/06/26)
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  • Mid-Senior Network Engineer

    Infinity Systems Engineering (Alexandria, VA)
    …be more with us! Job Summary: We are seeking a skilled Systems Administrator/Network Engineer to join our mission-driven team. This position offers a broad scope of ... switches, firewalls, and wireless access points. + Assist in developing network architecture to support business needs and growth. + Configure, manage, secure, and… more
    Infinity Systems Engineering (01/03/26)
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  • Senior Vulnerability Management Engineer

    Cisco (Arlington, VA)
    …in cybersecurity? At Cisco, our Vulnerability Management team (part of Splunk Global Security ) is at the forefront of protecting the technologies and products that ... uncover technical vulnerabilities - we take a multidisciplinary, risk-based approach to security , identifying not only system flaws but also process and operational… more
    Cisco (12/30/25)
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  • Systems Engineer 4

    M. C. Dean (Vienna, VA)
    …leaders in electrical, engineering, and cybersecurity industries. We are seeking a **System Engineer 4** to join our ** Security and Electronic Systems (SES)** ... With over 7,000 employees, our capabilities span electrical, electronic security , telecommunications, life safety, automation and controls, audiovisual, and IT… more
    M. C. Dean (12/30/25)
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  • ACAS Engineer - Active Top Secret Clearance…

    ENS Solutions (Reston, VA)
    …to enable secure and reliable operations of enterprise computer systems. Engineer , design, develop, and implement enterprise network cyber defense capabilities to ... of cyber defense capabilities, including web content filters, email security capabilities, Intrusion Detection System, Intrusion Prevention System, Host Based… more
    ENS Solutions (12/27/25)
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  • Network Engineer III

    Noblis (Chantilly, VA)
    …and encrypted tunneling for classified data transmission + Advanced network security principles and practices including zero-trust architecture + Enterprise ... Responsibilities As a **Network Engineer III,** you will provide expert leadership in...will architect secure network infrastructures that meet the highest security standards while enabling mission-critical operations. Your expertise will… more
    Noblis (12/23/25)
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  • Cybersecurity Architect / Engineer

    Leidos (Mclean, VA)
    …team lead. * Familiarity with secure software development practices, application security architecture , and development environment hardening. * Experience with ... promote these efforts, Leidos is looking for a **Cybersecurity Architect / Engineer ** - Connected Intelligent Transportation Systems (C-ITS) to join our team!… more
    Leidos (12/19/25)
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  • Network Engineer IV

    Noblis (Chantilly, VA)
    …and encrypted tunneling for classified data transmission + Advanced network security principles and practices including zero-trust architecture + Enterprise ... Responsibilities As a **Network Engineer IV** , you will provide expert leadership...will architect secure network infrastructures that meet the highest security standards while enabling mission-critical operations. Your expertise will… more
    Noblis (12/17/25)
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  • Senior Cyber Risk Manager (Splunk Engineer

    The MITRE Corporation (Mclean, VA)
    … Services Division (R300) is looking to fill a Senior Information Systems Security Engineer position, with a focus on classified environments. The selected ... collaborative environment, working with cutting-edge technology and contributing to advanced security concepts in classified settings. We seek a proactive individual… more
    The MITRE Corporation (11/08/25)
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