• System Administrator

    Chenega Corporation (Oakton, VA)
    …(HBSS) and troubleshooting services affected by these software applications. + Proficient with TCP / IP network protocol , to include a basic understanding of ... networking components (switches, routers, taclanes, etc.) and infrastructure. + Demonstrated experience with applying STIGs to systems, applications and components and troubleshooting STIG related issues. + Demonstrates experience administrating Hyper-V and… more
    Chenega Corporation (05/13/25)
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  • Senior Network Engineer - Day

    SAIC (Suffolk, VA)
    …Routers, Switches, Firewalls, and Virtual Private Network devices. + Strong understanding of TCP / IP in regard to routing and subnetting. + Capable of supporting ... TACACS+ on Cisco ISE and ISE Cube **Required Certifications:** + IAT Level II required (Sec +), CCNA/CCNP **Working Environment and Travel:** + Able to work shifts to cover a 24x7 operational environment. + Able to cover on-call schedule on a rotating basis. +… more
    SAIC (05/11/25)
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  • System Development Engineer II, Engineering…

    Amazon (Arlington, VA)
    …Experience with industrial automation and controls system design - Experience with TCP / IP and industrial networks - Experience with industrial automation safety ... design - Embedded programming experience with C/C++, Java, Python, or similar languages - Experience with HMI design and development - Ability to recognize and implement improvements to the human aspects of systems development, implementation, and use Amazon… more
    Amazon (05/11/25)
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  • IT Support Engineer I (OPC), IT Services

    Amazon (Arlington, 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 - High school or equivalent diploma Preferred Qualifications - 4+ years of network troubleshooting and support experience - 4+ years of corporate setting Windows, Mac or Linux Operating systems support experience - 4+ years of… more
    Amazon (05/10/25)
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  • Network Incident Management Quality Assurance…

    CACI International (Sterling, VA)
    …experience + Strong understanding of network protocols, architectures, and technologies (eg, TCP / IP , WAN/LAN) + Good working knowledge of the Service Management ... workflows and ITSM processes + ITIL V3 or 4 certification and training + Experience with network monitoring and performance management tools + Proficiency in data analysis and statistical methods + Excellent problem-solving and analytical skills + Strong… more
    CACI International (05/10/25)
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  • Network Security Technical Engineer

    Highmark Health (Richmond, VA)
    …and Problem Solving network issues + Solid understanding of the OSI model and TCP / IP protocol suite + Proficiency in routing protocols (eg, OSPF, ... BGP, EIGRP) + 5 years of experience with technology platforms, application development tools, business processes, software development life cycle used by our enterprise + 5 years of experience defining system architectures and exploring technical feasibility… more
    Highmark Health (05/10/25)
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  • Network Firewall Engineer

    CACI International (Sterling, VA)
    …VPNs, NAT, IDS/IPS, and DMZ configurations. + Strong understanding of network protocols ( TCP / IP , DNS, HTTP, etc.), network routing protocols (OSPF, EIGRP, BGP), ... and network architectures. + Excellent troubleshooting, problem-solving, and analytical skills + Strong communication skills, both written and verbal **Desired:** + Industry certifications such as CISSP, CISM, CCNP Security, Palo Alto PCNSE, or equivalent are… more
    CACI International (05/09/25)
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  • CAN/LAN Network Designer

    CACI International (Sterling, VA)
    …Spanning Tree Protocol , etc.). + Advanced knowledge of network protocols, TCP / IP , and related technologies. + In-depth knowledge of network hardware ... (routers, switches). + Certifications such as CCNP, CCIE, or similar are highly preferred. **Desired:** + Experience with SD-WAN, Zero Trust, or similar technologies. + Knowledge and hands-on experience of LAN design and benchmarking software + Strong… more
    CACI International (05/09/25)
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  • Sr AWS Application Security Engineer

    Amazon (Arlington, VA)
    …division level - An understanding of network and web related protocols (such as, TCP / IP , UDP, IPSEC, HTTP, HTTPS, routing protocols) - An understanding of web ... for a wide variety of platforms and technologies including cloud services, Internet of things (IoT), identity and access management, mobile devices, virtualization… more
    Amazon (05/09/25)
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  • Cyber Software Engineer/Supervisor

    Leidos (Arlington, VA)
    …and C++ programming and strong proficiency in Rust. + Hands-on experience with TCP / IP networking stack development and strong understanding of network protocols ... and concepts from a security perspective. + Deep understanding of operating system internals. + Experience developing software interacting directly with hardware components and proficiency with embedded development tool chains. + Working knowledge with AI/ML +… more
    Leidos (05/08/25)
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