• Principal Systems Administrator

    ManTech (Arlington, VA)
    …(Windows, Linux, macOS), servers, and networking + Experience with network protocols ( TCP / IP ), switch configurations, and firewalls is essential + Experience ... with scripting languages (eg, Python, PowerShell) for automating tasks and improving efficiency + Microsoft Visio, Word, Excel experience + CASP+ Certification or ability to obtain within 6 months of hire + DoD 8570 Computing Environment Certification or… more
    ManTech (08/08/25)
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  • Senior Security Engineer

    ManTech (Chantilly, VA)
    …+ Strong knowledge of Windows and Linux systems, operating system security practices, TCP / IP networking, 802.1x, and core network security principles + IAT Level ... II certification (GSEC, Security+, SSCP, or CCNA-Security), or ability to obtain within 6 months of hire **Preferred Qualifications:** + Experience implementing and supporting complex, multi-component software solutions + Familiarity with vendor-agnostic C2C… more
    ManTech (08/08/25)
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  • Principal Network Engineer

    ManTech (Chantilly, VA)
    …+ Knowledge of Windows and Linux systems, general operating system security practices, TCP / IP networking, and network security concepts is required + Knowledge ... of and the use of AWS cloud technologies + Must have or be willing to obtain IAT Level II or higher certification within 6 months of hire **Preferred Qualifications:** + Experience with programming languages such as Python, Go, Java, Java Script, Node.js +… more
    ManTech (08/08/25)
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  • Network Engineer (Expert)

    BAE Systems (Sterling, VA)
    …disciplines described below where specific skills may include the following + TCP / IP transport network design and engineering, network routing protocols, ... advanced virtual networking technologies + Performing upgrades and performing routine network operations and maintenance (O&M). + Identifying and implementing INFOSEC and COMSEC security requirements for the network. + Complex configuration management… more
    BAE Systems (08/08/25)
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  • VMware (ESXi) Engineer

    General Dynamics Information Technology (Springfield, VA)
    …+ VMware NSX/NSX-T + Windows Server 2016/2019/2022 + Unix/Linux familiarity + Windows 10/11 * TCP / IP , DNS, Local Area Networking, AD, GPO *A candidate should have ... current VMware and/or Cisco UCS experience in their current job or within the last 2 years , with VMware and/or UCS certification preferred, but not required. Desired Skills: *Cloud experience (AWS, Azure) *Cisco UCS Cloud Platform *VMware NSX/NSX-T… more
    General Dynamics Information Technology (08/08/25)
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  • Cyber Network Defense Analyst (Cnda)

    BCMC (Arlington, VA)
    …depth knowledge of CND policies, procedures and regulations - In depth knowledge of TCP / IP protocols - In depth knowledge of standard protocols - ICMP, HTTP/S, ... DNS, SSH, SMTP, SMB, NFS, etc. - In depth knowledge and experience of Wifi networking - In depth knowledge and experience of network topologies - DMZ's, WAN's, etc. - Substantial knowledge of Splunk (or other SIEM's) - Understanding of MITRE Adversary Tactics,… more
    BCMC (08/08/25)
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  • Training Instructor

    Naval Education and Training Command (VA)
    …variety of IT protocols, services, and standards associated with Transmission Control Protocol /InternetProtocol ( TCP / IP ), Internet , and wireless ... applications and detailing basic network security using hardware and software procedures; 3) Utilizing training methods, techniques and tools to design, develop, present, and evaluate training courses and materials to include using instructional technology… more
    Naval Education and Training Command (08/08/25)
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  • Mission Infrastructure Specialist

    CACI International (Chantilly, VA)
    …environments, and supporting infrastructure * Proficiency and strong understanding with TCP / IP Networking and firewall configuration for VDI infrastructure * ... Experience implementing security standards in a fast-paced operational environment * 5+ years of experience supporting cyber operations _Desired:_ * Experience with Single Sign On (SSO) VDI infrastructure implementation and integration technology (eg, Keycloak… more
    CACI International (08/08/25)
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  • Systems/Network Engineer

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    …architectures. **Responsibilities** + Must have a strong background in Network switching and TCP / IP protocol analysis. + This position requires strong ... communication skills and strong technical writing capability. + Implement local area networks (LAN), wide area networks (WAN), intranets, extranets, & other data networks. + Experience with network routers and switch configuration experience. Environment… more
    UIC Government Services and the Bowhead Family of Companies (08/08/25)
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  • IT Support Engineer, Ops Tech Solutions (OTS)

    Amazon (Suffolk, VA)
    …experience - 2+ years of networking (such as DNS, DHCP, SSL, OSI Model, and TCP / IP ) experience - 2+ years of corporate setting Windows, Mac or Linux Operating ... systems support experience - 2+ years of supporting and maintaining a corporate network environment experience - High school or equivalent diploma Preferred Qualifications - 2+ years of computer networking experience - Experience supporting video conference… more
    Amazon (08/08/25)
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