• Software Developer III

    TekSynap (Virginia Beach, VA)
    …and Control (C2) tools. + Work with communication protocols such as DNS , HTTP/S, WebSockets, and SMB. + Perform Security Technical Implementation Guide (STIG) ... of tools for vulnerability analysis. + Expertise in communication protocols like DNS , HTTP/S, WebSockets, and SMB. + Solid experience in debugging, code analysis,… more
    TekSynap (12/30/25)
    - Related Jobs

  • Director of Cloud & Infrastructure - (Herndon, VA)

    Serco (Herndon, VA)
    …and performance. + Manage core network services, including firewalls, VPNs, DNS , routing, and overall network performance and security across headquarters and ... and GCC-High cloud environments + Network architecture (SD-WAN, VPN, routing, DNS , firewalls) + Virtualization (VMware, Hyper-V), Windows/Linux servers, backup, and… more
    Serco (12/27/25)
    - Related Jobs

  • Classified Systems Information Systems Security…

    ANSER (Arlington, VA)
    …system management, and reporting tasks. + Maintain network services such as DNS , DHCP, and enforce secure TCP/IP configurations. Required Qualifications: + Active ... and system hardening. + Proficiency in network protocols and services: TCP/IP, DNS , DHCP, VLANs. + Hands-on experience with virtualization technologies such as… more
    ANSER (12/27/25)
    - Related Jobs

  • Citrix Administrator

    GovCIO (Richmond, VA)
    …networking solutions with senior level fundamental knowledge in networking principles (TCP/IP, DNS , DHCP, SMTP, SNMP). + Strong interpersonal skills and willing to ... resolution. + 3+ years' experience configuring and maintaining key services such as DNS , SFTP, SMTP, and NTP. **Company Overview** GovCIO is a team of… more
    GovCIO (12/24/25)
    - Related Jobs

  • Cyber Data Analytics Engineer

    CACI International (Springfield, VA)
    …major vendor revisions * Retain documentation regarding loss of event logs (eg June 5-7th DNS logs were not ingested from SBU and are lost) * Configure all assets ... Knowledge of network communication principles, common infrastructure components (IPAM, DNS , DHCP), load balancers, firewalls, virtual and physical infrastructure… more
    CACI International (12/24/25)
    - Related Jobs

  • Network Security Engineer

    TEKsystems (Arlington, VA)
    …environments as may pertain to Network and Security tasks including syslog, DNS , load balancers and BIND, Windows Event Log analysis. Scripting/programming skills ... security, Cyber security, Network engineering, F5, Routing, Cisco routers, tcp/ip, dns , dhcp, routing protocols, Connectivity Top Skills Details Security, Firewall,… more
    TEKsystems (12/24/25)
    - Related Jobs

  • Network Developer 4

    Oracle (Richmond, VA)
    …Ethernet hardware (Broadcom/Mellanox), protocol experience with BGP/OSPF/IS-IS, TCP, IPv4, IPv6, DNS , DHCP, MPLS. + Experience with networking protocols such as ... TCP/IP, VPN, DNS , DHCP, and SSL. + Experience with Internet peering and inter-domain networking. + Experience with scripting or automation and datacenter design -… more
    Oracle (12/20/25)
    - Related Jobs

  • Network Unified Communications Design Engineer…

    Eliassen Group (Quantico, VA)
    …solutions using Cisco, Juniper, Brocade, and related technologies + Support DNS , DHCP, and enterprise directory services + Perform performance analysis, testing, ... in LAN, WAN, VoIP, and secure network architectures + Hands-on experience with DNS , DHCP, routing, switching, and VLAN design + Experience integrating VoIP systems… more
    Eliassen Group (12/19/25)
    - Related Jobs

  • Senior DevOps Engineer

    CACI International (Arlington, VA)
    …Python, or Bash). + Familiarity with secure enclave networking (private endpoints, DNS , firewalls, VPN, and VNET/Transit Gateway design).​ + Strong understanding of ... Key Vault, AWS KMS, HashiCorp Vault). + Networking & API Management: DNS , CDN, firewalls, Application Gateways, API gateways. + Data Services: SQL/NoSQL databases… more
    CACI International (12/19/25)
    - Related Jobs

  • Cisco Identity Services Engineer/ Administrator

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    …Firepower and ISE server + Cisco Catalyst Center, MDM, ASA, DNS /DHCP, Network Load-Balancing, and 802.11a/b/g/n Wireless technologies and industry best practices. ... Directory knowledge(eg Organizational Unit(OU) identification, domain "trusts", Domain Name System( DNS ), identity resolution) + Splunk 'syslog' experience with "raw"… more
    UIC Government Services and the Bowhead Family of Companies (12/18/25)
    - Related Jobs