• Lead Network and Infrastructure Engineer

    ManTech (Herndon, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Lead Network and Infrastructure Engineer ** to join our team in **Herndon, VA.** The Lead Network and ... Infrastucture Engineer will design, implement, and maintain secure and scalable...architecture efforts, oversee implementation, and ensure compliance with government security standards across complex environments, as well as lead… more
    ManTech (10/10/25)
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  • Systems Engineer - Subject Matter Expert…

    Noblis (Chantilly, VA)
    …Top Secret government environments. + Nutanix certifications (NCP, NPX) preferred. + Security certifications ( CISSP , Security +) preferred. + Advanced ... Responsibilities As a Systems Engineer SME, you will provide expert leadership in...for classified use + Windows Active Directory configuration and security in air-gapped environments + Network hardware ( Cisco more
    Noblis (11/07/25)
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  • Network Engineer - Subject Matter Expert…

    Noblis (Chantilly, VA)
    …government environments. + Relevant network certifications (CCNP, CCIE, or equivalent). + Security certifications ( CISSP , Security +) preferred. + Advanced ... Responsibilities As a Network Engineer SME, 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 (10/30/25)
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  • Cybersecurity Engineer

    TekSynap (Richmond, VA)
    …+ CompTIA Advanced security Practitioner with Continuing Education (CASP+ CE) + Cisco Certified Network Professional Security (CCNP Security ) + Certified ... Information Systems Auditor (CISA) + **Certified Information Systems Security Professional (** CISSP or Associate) + GIAC Certified Enterprise Defender (GCED) +… more
    TekSynap (10/23/25)
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  • System Engineer / IT Manager

    Serco (Herndon, VA)
    …related to the job description listed above. + Active Certified Information Systems Security Professional ( CISSP ) Certification or in the process of obtaining ... in this role, you will have: + DOD Secret Security Clearance or the ability to obtain and maintain...your CISSP within the next six months.please add your ID… more
    Serco (09/12/25)
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  • Network Firewall Engineer

    CACI International (Sterling, VA)
    …communication skills, both written and verbal **Desired:** + Industry certifications such as CISSP , CISM, CCNP Security , Palo Alto PCNSE, or equivalent are ... Network Firewall Engineer Job Category: Information Technology Time Type: Full...The ideal candidate will work closely with the network security team to ensure the effective operation and … more
    CACI International (10/25/25)
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  • Cybersecurity Engineer

    TekSynap (Richmond, VA)
    …+ CompTIA Advanced security Practitioner with Continuing Education (CASP+ CE) + Cisco Certified Network Professional Security (CCNP Security ) + Certified ... Information Systems Auditor (CISA) + **Certified Information Systems Security Professional (** CISSP or Associate) + GIAC Certified Enterprise Defender (GCED) +… more
    TekSynap (10/23/25)
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  • Cybersecurity Engineer

    TekSynap (Richmond, VA)
    …+ CompTIA Advanced security Practitioner with Continuing Education (CASP+ CE) + Cisco Certified Network Professional Security (CCNP Security ) + Certified ... Information Systems Auditor (CISA) + **Certified Information Systems Security Professional (** CISSP or Associate) + GIAC Certified Enterprise Defender (GCED) +… more
    TekSynap (10/23/25)
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  • Senior Systems Engineer - Cybersecurity

    M. C. Dean (Vienna, VA)
    …+ Microsoft Certified Professional / Systems Sngineer certification is strongly desired + Security + or CISSP certification is strongly desired **Other:** + US ... Overview Security is critical to MC Dean's IT solutions...infrastructure. As part of the team, the **Senior Systems Engineer ** 's responsibilities will include (but will not be… more
    M. C. Dean (08/27/25)
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  • Sr. Core Network Engineer

    Leidos (Chantilly, VA)
    …**The Digital Modernization Sector at Leidos** is seeking a Sr. Network ** Engineer ** to support our global enterprise networks. Our team is completely replacing ... + Demonstrated advanced experience in evaluating rules to ensure maximum security while minimizing redundancy in rules **PRIMARY RESPONSIBILITIES** + Train and… more
    Leidos (11/07/25)
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