• Senior Information Systems Security Officer…

    Leidos (Laurel, MD)
    …Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical ... Proficiency:** Experience as an ISSO with emphasis on Defense-in-Depth principles, network , and enterprise security architecture. Experience applying the… more
    Leidos (09/19/25)
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  • Information Systems Security Officer - 15k…

    Leidos (Annapolis Junction, MD)
    …Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical ... and enforcing security policies, standards, and methodologies. + **Overseeing security operations ** for information systems, managing daily security more
    Leidos (09/10/25)
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  • Information Systems Security Officer - 15k…

    Leidos (Annapolis Junction, MD)
    …Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical ... and enforcing security policies, standards, and methodologies. + **Overseeing security operations ** for information systems, managing daily security more
    Leidos (09/04/25)
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  • Information Security Professionals ISSO…

    Leidos (Fort Meade, MD)
    …Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical ... + Manage security aspects of information systems and perform daily security operations . + Evaluate security solutions to ensure they meet requirements… more
    Leidos (07/19/25)
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  • Security Specialist

    Leidos (Bethesda, MD)
    …Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical ... **Leidos** has a new and exciting opportunity for a ** Security Specialist** in our **National Security Sector's...more. **Join us and make a difference in National Security !** **Job Summary** : Leidos is seeking a … more
    Leidos (09/18/25)
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  • Principal Endpoint Security Systems…

    Leidos (Bethesda, MD)
    …Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical ... has a new and exciting opportunity a **Principal Endpoint Security Systems Engineer** in our **National Security ...more. **Join us and make a difference in National Security !** **Job Description** This effort is seeking an experienced… more
    Leidos (08/29/25)
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  • SOC Analyst Level 2

    Competitive Range Solutions, LLC (Fort Meade, MD)
    …across network security , digital media analysis, and malware teams within a Security Operations Center (SOC) or Network Operations Center (NOC) ... network attack patterns, and defensive countermeasures. + Proficiency in network security analysis, malware investigations, and forensic methodologies.… more
    Competitive Range Solutions, LLC (08/07/25)
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  • Director Information Security

    Lumen (Annapolis, MD)
    …one. US Citizenship required. 8+ years of progressively responsible experience in network engineering or security operations . Strong hands-on expertise ... You will be primarily responsible for deploying, configuring, and securing network security gear, with a strong emphasis on optical fiber installation, testing,… more
    Lumen (09/03/25)
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  • Info Systems Security Officer(ISSO)…

    V2X (Patuxent River, MD)
    …and maintain plans, instructions, guidance, and standard operating procedures concerning the security of network system(s) operations to include SCTM's, ... IA and IA enabled software, hardware, and firmware comply with appropriate Network Environment (NE) security configuration guidelines, policies, and procedure +… more
    V2X (08/13/25)
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  • System Engineer/Operational Site Liaison TS/SCI…

    Leidos (Annapolis Junction, MD)
    …Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical ... in an Operations center environment with advanced security architectures. + Experience with Network Security Technologies (eg Multiple Domain, PKI, SSP,… more
    Leidos (08/28/25)
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