• Information Security Engineer - Black Lotus…

    Lumen (Boston, MA)
    …techniques to lead the team in tracking sophisticated adversaries, delivering actionable threat intelligence data to Lumen customers. + Lead and enhance ... future. **The Role** Black Lotus Labs is seeking a Principal Security Engineer on the Research &...and a petabyte-scale compute cluster to perform cutting edge threat research, hunting and tracking advanced persistent threat more
    Lumen (10/25/25)
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  • Principal SOAR Engineer - Swimlane…

    Optiv (Boston, MA)
    …with a wide range of security tools including SIEM, endpoint protection, threat intelligence platforms, and other cybersecurity solutions. + Identify and ... the continental US_ We are seeking a highly skilled and experienced Principal Security Orchestration, Automation, and Response (SOAR) Engineer , specializing in… more
    Optiv (09/23/25)
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  • Principal Systems Engineer

    RTX Corporation (Woburn, MA)
    …create a safer, more secure world. The RMD team is looking for a ** Principal ** **Systems Engineer ** to support the Missile Defense Sensors (MDS) department. The ... + Electronic Protection, signal processing, applied mathematics + Hypersonic threat defense + Tracking, discrimination, search, and battle manager interfaces… more
    RTX Corporation (09/27/25)
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  • Principal Systems Engineer

    RTX Corporation (Tewksbury, MA)
    …Integrated Air & Missile Defense Systems (IAMDS) department is seeking a ** Principal Systems Engineer ** with technical expertise and systems engineering skills ... expertise to meet the needs of today's mission and stay ahead of tomorrow's threat . Our team solves tough, meaningful problems that create a safer, more secure… more
    RTX Corporation (09/13/25)
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  • Senior Principal Systems Engineer

    RTX Corporation (Tewksbury, MA)
    …that create a safer, more secure world. Raytheon is seeking a **Senior** ** Principal ** **Systems Security Engineer -P5** to join our elite Systems Security ... features and/or vulnerability analysis of various operating systems as defined by Intelligence agencies + Experience with IT and/or network and system security… more
    RTX Corporation (10/01/25)
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  • Principal Systems Engineer

    RTX Corporation (Tewksbury, MA)
    …world. Integrated Air & Missile Defense Systems (IAMDS) department is seeking a ** Principal Systems Engineer .** IAMDS leads all aspects of Systems Engineering ... expertise to meet the needs of today's mission and stay ahead of tomorrow's threat . Our team solves tough, meaningful problems that create a safer, more secure… more
    RTX Corporation (08/29/25)
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  • Director Information Security

    Lumen (Boston, MA)
    …Security Group Black Lotus Security Group (BLSG) is Lumen Technologies' advanced threat intelligence and network engineering organization. BLSG combines global ... world's most complex networks. **The Main Responsibilities** We are seeking a Principal Information Security Engineer Director, Information Security to support… more
    Lumen (09/03/25)
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