• Federal Security Platforms Lead (Principal…

    Zscaler (Mclean, VA)
    …We are looking for a Federal Security Platforms Lead (Principal Information Security Engineer ) to join our Enterprise Security team. This is ... Zscaler is a pioneer and global leader in zero trust security . The world's largest businesses, critical infrastructure organizations, and government agencies… more
    Zscaler (01/11/26)
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  • Staff Site Reliability Engineer -Federal,…

    Zscaler (Mclean, VA)
    …Zscaler is a pioneer and global leader in zero trust security . The world's largest businesses, critical infrastructure organizations, and government agencies ... Exchange platform combined with advanced AI combats billions of cyber threats and policy violations every day and unlocks...**Role** We are looking for a Staff Site Reliability Engineer (Federal) to join our Government Cloud team. This… more
    Zscaler (11/12/25)
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  • Lead Cybersecurity Engineer ; HP NonStop…

    Capital One (Mclean, VA)
    …As part of the Cyber team, you will design and develop Debit Systems Security Solutions, focusing on areas like network and OS administrative tasks on the ... Lead Cybersecurity Engineer ; HP NonStop Systems In this key technical...Lead Cybersecurity role, you'll be responsible for the overall security architecture, design, and configuration of the PULSE HP… more
    Capital One (11/21/25)
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  • Reverse Engineer

    Noblis (Chantilly, VA)
    …and exploitation** (CNO/CNE). This role requires expertise in both offensive and defensive cyber security tools, network topologies, and secured networks to ... Responsibilities As a Reverse Engineer , you will research, develop, and execute specialized...in solving unique challenges posed by criminal and national security actors. You will build advanced tools and capabilities… more
    Noblis (12/18/25)
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  • Cybersecurity Engineer - Hybrid Work…

    General Dynamics Information Technology (Arlington, VA)
    …Management **Skills:** Cyber Defense,Cybersecurity,Information Assurance,Information Technology Security , Network Security **Certifications:** CompTIA ... Regional Security Stacks (JRSS).** **Deep understanding and knowledge of core network security tools such as IDS/IPS, Firewalls, Web Content Filters, SIEM,… more
    General Dynamics Information Technology (11/18/25)
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  • Senior Sales Engineer - SLED, Mid Market…

    Proofpoint (Alexandria, VA)
    …Requirements + 6+ years of hands on technical experience, either as a Sales/Systems Engineer , Technical Account Manager, Security Engineer or senior level ... the process + Deliver compelling product demonstrations that address today's most pressing cyber threats + Work closely with customer/prospect security staff for… more
    Proofpoint (12/25/25)
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  • SAP NS2 Sr. Security Automation…

    SAP (Herndon, VA)
    …building scalable security utilities and tool + 3 years' experience in host, network , and application security + 5 years' experience with web protocols and ... leader for business software and related services. SAP National Security Services Inc.(R) (SAP NS2(R)) is an independent US...stay current with the tools and the rapidly evolving cyber threat landscap + Motivated with a positive attitude… more
    SAP (10/24/25)
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  • Cybersecurity Project Engineer

    Nightwing (Sterling, VA)
    …Sterling, VA Clearance: TS/SCI Poly **This position is CONTINGENT upon contract award** The Cyber Security Project Engineer (CSE) supports the LSA to ... and providing security remediation Required Skills: + Strong understanding of network security principles and technologies. + Experience with security more
    Nightwing (12/26/25)
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  • Secure Wireless Engineer

    General Dynamics Information Technology (Springfield, VA)
    …infrastructures. Responsible for evaluating current network security systems. HOW A CYBER WIRELESS SECURITY ENGINEER WILL MAKE AN IMPACT + Serves as ... efforts in designing; developing; analyzing; troubleshooting; and documenting wireless network security infrastructure. Performs problem isolation and… more
    General Dynamics Information Technology (01/17/26)
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  • ABAD Cross Domain Solutions (CDS) Engineer

    Parsons Corporation (Centreville, VA)
    …etc.) + DoD cyber tools (ACAS, HBSS/EDR, Splunk, Elastic, Wireshark) + Network protocols, routing, and enclave boundary security + Linux, RHEL, SELinux, ... lifecycle of a CDS. You will contribute to the engineering, integration, cyber - security assessment, and sustainment support for Department of Defense (DoD)… more
    Parsons Corporation (12/19/25)
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