• Lead Network Engineer - Infrastructure

    St. George Tanaq Corporation (Suitland, MD)
    design , planning, implementation, troubleshooting, and maintenance of the companies' network infrastructure and architecture. + Design and implement voice, ... and integrating architecture. + Evaluate communication hardware and software; troubleshoot LAN /MAN/WAN and other network -related problems. + Provide technical… more
    St. George Tanaq Corporation (11/14/25)
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  • Firewall Engineering Architect

    Leidos (Greenbelt, MD)
    …the firewall, security, and perimeter protection services that safeguard NASA's Local Area Network ( LAN ), Wide Area Network (WAN), Mission Network ... architectural oversight, and strategic direction for NASA's enterprise security and network modernization initiatives. This role is central to designing, evolving,… more
    Leidos (11/25/25)
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  • Network Security Engineer

    CACI International (Columbia, MD)
    …section to provide engineering expertise to analyze complex systems, architecture, network design and other technical hardware issues **Responsibilities:** + ... or maintainability improvements + Review proposed systems, and support of network communications, including LAN /WAN systems + Evaluate current systems and… more
    CACI International (12/12/25)
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  • Senior Network Security Engineer

    CACI International (Columbia, MD)
    …assess current network configurations and unique site requirements. + **Technical Design :** Prepare engineering plans and Technical Design Packages for ... choke points, failure modes, and recommend improvements. + Review and support network communications systems ( LAN /WAN). + Evaluate current systems and annotate… more
    CACI International (12/06/25)
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  • Senior Network Engineer

    Westat (Bethesda, MD)
    Network Design & Architecture + Design scalable and secure network solutions for LAN , WAN, WLAN, cloud environments, and remote access. + Evaluate ... **29114BR** **Job Title:** Senior Network Engineer **Location:** MD - Bethesda **Job Description:**...clients find exceptional value in our work. The Senior Network Engineer is responsible for designing, implementing, and maintaining… more
    Westat (12/02/25)
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  • PPSM Cyber Analyst

    Leidos (Odenton, MD)
    … security, ports/protocols, firewalls, and boundary protection + Understanding of network architectures, LAN /WAN, TCP/IP, routing, and switching + Strong ... and conferences; document insights via AAR or MFR + Design and implement PPSM system security measures and metrics...and (5) years of overall experience in cybersecurity or network security position. Additional experience may be considered in… more
    Leidos (10/01/25)
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  • Installation Engineer

    TISTA Science and Technology (Hyattsville, MD)
    …Engineers must follow VA's and TISTA's Travel expense. Qualifications + Able to evaluate network design and configuration baselines and standards. + Able to work ... of the organization + Provides support to the Assistant Chief, Network Field Operations - LAN in coordinating and developing the programs and functions relative… more
    TISTA Science and Technology (11/20/25)
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  • Network Engineer - Senior

    Amentum (Fort Meade, MD)
    …and independently, whether customer facing or with other engineering team members. * Design , build and troubleshoot network and network security ... * Provide engineering escalation support for all network and network security operations activities including: LAN /WAN operations and troubleshooting,… more
    Amentum (10/23/25)
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  • Network Administrator (Senior-Level)

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    …based networks. + Set up and manage IPSec tunnels, 802.1x, and 802.11 LAN /MAN environments. + Define and enforce network policies, procedures, and performance ... experience in network segmentation, traffic management, and secure network architecture design . + In-depth knowledge of network tools, monitoring… more
    Link Solutions Inc (10/08/25)
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  • Senior Cybersecurity Engineer (Networking)

    Amentum (Annapolis, MD)
    …must live within the US to work in this role).** **Responsibilities:** . Review, design , implement and support all aspects of network security, in close ... cyber-related network services, eg work closely with network engineering to design failsafe solutions. ....DNS, DHCP, BGP, OSPF, VLANs). . Strong experience in network architectures (eg LAN , WAN, VPN, SD-WAN,… more
    Amentum (10/24/25)
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