• Senior Consultant, Offensive Security, Proactive…

    Palo Alto Networks (Washington, DC)
    …internal processes and engagements + Conducts IT application testing, cybersecurity tool and systems analysis, system and network administration , and systems ... engineering support for the sustainment of information technology systems (mobile application testing, penetration testing, application, security, and hardware… more
    Palo Alto Networks (09/05/25)
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  • Lab Manager I

    ARSIEM (Arlington, VA)
    …end users, as well as maintaining inventory database. + Provide support for systems administration tasks such as patching, updating, and maintaining network ... of directly relevant experience + Experience with multiple operating systems , to include Windows , Linux/Unix & MacOS...Certifications: Security+ Clearance Requirement : Must have an active Secret clearance and be able to obtain a TS/SCI… more
    ARSIEM (07/10/25)
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  • ServiceNow Platform Administrator

    TAD PGS, Inc. (Chantilly, VA)
    …Experience with on-premises infrastructure, including servers, switches, firewalls, and storage systems + Knowledge of relevant technologies (eg, Windows Server, ... area. **US Citizenship is required.** **Candidate must possess an active Secret Security Clearance.** We are seeking a Platform Administrator to provide… more
    TAD PGS, Inc. (08/23/25)
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  • Associate Project Technician

    CACI International (Washington, DC)
    …degree or equivalent work experience. * Background in WIN 11 support, systems analysis, network or software design/ administration , requirements analysis, or ... provides beginner level, on-site technical support, for customer/company network systems . In addition, they will support non-routine installation and/or maintenance… more
    CACI International (10/03/25)
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  • ADC Engineer II, Peet ADC

    Amazon (Arlington, VA)
    …or SSCP ( Systems Security Certified Practitioner) - 3+ years of systems administration experience (Linux/ Windows ). - 1+ years experience working ... services! You'll design, deploy, monitor, and automate infrastructure, tools and systems to provide a highly-available and resilient platform for our customers'… more
    Amazon (09/18/25)
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  • Cyber Range Network Engineer

    Leidos (Annapolis Junction, MD)
    …Troubleshooting, and Network Performance Tuning. + Experience with Linux and Windows , network administration , and networking protocols/functions (eg, HTTP, ... by guiding the definition, implementation, and delivery of capability focused on Cyber Training systems . As a key player on our team, you will leverage your skills… more
    Leidos (09/18/25)
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  • Network Security Engineer Lead

    Chenega Corporation (Fort Belvoir, VA)
    …multiplexers, Windows servers, Storage Area Network (SAN), media backup systems , Cisco Digital Network Architecture (DNA), Cisco Identity Service Engine (ISE), ... Campus Area Network (ICAN). + Install new modified hardware, operating systems , and software applications ensuring integration with Information Assurance (IA)… more
    Chenega Corporation (09/01/25)
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  • Splunk Engineer - Active TS/SCI Required

    ENS Solutions (Washington, DC)
    …in a Splunk environment + Experience with Splunk performing systems administration , including performing installation, configuration, monitoring system ... Manager (ESM), Network Security Manager (NSM), NetFlow, and/or Intrusion Detection Systems (IDS) to monitor, detect, and analyze threats. You'll perform hands-on… more
    ENS Solutions (09/26/25)
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  • Senior VMWare System Administrator

    Intrepid Solutions and Services (Annapolis Junction, MD)
    …to network engineering design, system fit-up, and system deployment. + General Windows and some Linux system administration and sustainment experience, to ... **Overview** Darkblade Systems , a CIS Secure company, is a trusted...position requires no travel. **Qualifications** **CLEARANCE:** + Active Top Secret / SCI and Full Scope/Lifestyle Polygraph is required… more
    Intrepid Solutions and Services (08/28/25)
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  • Full Stack Developer - TS/SCI with Polygraph

    General Dynamics Information Technology (Chantilly, VA)
    …of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Software ... services. + The Contractor shall provide operations and maintenance of operational systems . + The Contractor shall modify existing software to correct errors, allow… more
    General Dynamics Information Technology (08/27/25)
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