• Solution Consultant

    Trellix (Columbia, MD)
    …and communicating with product support and development teams **Required Qualifications:** + ** Active TS /SCI clearance with Full Scope Polygraph** + Demonstrated ... engineering and/or Windows and Linux systems administration + Experience with Active Directory, Databases, Virtualization , Cloud Services (ie, AWS, Azure)… more
    Trellix (10/15/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …to TCP, IP, UDP, HTTP, DHCP, and DNS **Clearance Requirement:** + Must have a current/ active TS /SCI with Poly **Physical Requirements:** + Must be able to remain ... + Heavy Windows and Linux administration experience + Highly proficient with Active Directory + Experience with virtualization + Experience with PowerShell… more
    ManTech (08/23/25)
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  • Principal Systems Administrator

    ManTech (Arlington, VA)
    …and knowledge **Security Clearance Requirements:** + US Citizenship required and an active TS /SCI clearance adjudicated within the last 6 years. **Physical ... areas such as Windows and Linux operating systems, network administration, virtualization , and security + Excellent problem-solving and troubleshooting skills to… more
    ManTech (10/10/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …requirements, including US Citizenship, for access to classified information; ** ACTIVE TS /SCI w/ POLYGRAPH clearance is REQUIRED** **Education/Experience:** ... at MC Dean, you will join forces with more than 5,800 professionals who engineer and deploy automated, secure and resilient power and technology systems; and deliver… more
    M. C. Dean (08/30/25)
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  • Cloud Forensic Analyst IV

    Nightwing (Arlington, VA)
    …and reports pertaining to incident findings **Required Skills/Clearances:** - US Citizenship - Active TS /SCI clearance - Ability to obtain Department of Homeland ... proficiency across various aspects of IT operations (eg networking, virtualization , identity, security, business continuity, disaster recovery, data management,… more
    Nightwing (10/08/25)
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  • Information Systems Security Manager

    M. C. Dean (Vienna, VA)
    …requirements, including US Citizenship, for access to classified information; ** Active TS /SCI clearance required.** Responsibilities The Information System ... headquartered in Tysons, Virginia, and employs more than 5,800 professionals who engineer and deploy automated, secure, and resilient power and technology systems;… more
    M. C. Dean (09/13/25)
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  • Lab Manager III

    ARSIEM (Arlington, VA)
    …Certifications: DoD 8140.01 IAT Level II, Network+, CCNA Clearance Requirement : Must have an active Secret clearance and be able to obtain a TS /SCI ... every client you work with. ARSIEM is looking for a motivated Network Engineer to implement, maintain, and support the lab network infrastructure.. This position… more
    ARSIEM (08/28/25)
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