• Network Operations Center (NOC) Tier 3

    CACI International (Springfield, VA)
    …OPNET NetOne, HP Network Node Manager, etc.) + Experience with CISCO firewall /VPN equipment (Adaptive Security Appliance, etc) + Experience with supporting IP ... services to connect to NIPRNET, SIPRNET and JWICS (IPv4, VPN, IPv6, Multicast, QOS, SDN, SNMP, VOIP, VTC, etc) + Experience with EIGRP, OSPF, BGP and multicast. **Desired:** + Master's degree in Computer Science or related field + CISCO CCNP, CCVP, CCNA or… more
    CACI International (10/25/25)
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  • Core/WAN Network Lead

    CACI International (Sterling, VA)
    …OPNET NetOne, HP Network Node Manager, etc.) + Experience with CISCO firewall /VPN equipment (Adaptive Security Appliance, etc) + Experience with supporting IP ... services to connect to NIPRNET, SIPRNET and JWICS (IPv4, VPN, IPv6, Multicast, QOS, SDN, SNMP, VOIP, VTC, etc) + Experience with EIGRP, OSPF, BGP and multicast. + These Qualifications Would be Nice to Have: + Master's degree in Computer Science or related… more
    CACI International (10/24/25)
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  • Linux Systems Administrator - TS/SCI Poly

    Parsons Corporation (Centreville, VA)
    …Linux services + Understanding of basic networking technologies (TCP/IP, UDP, Firewall ) Desired Skills: + Familiar with virtualization and Docker technologies + ... Experience with automation technologies (Salt, Ansible, Puppet) + Experience with Atlassian software (Confluence, JIRA) + Experience with a wide variety of open source software and utilities + Experience managing FreeIPA or LDAP based systems + Background in… more
    Parsons Corporation (10/18/25)
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  • Cyber Network Defense Analyst

    ManTech (Herndon, VA)
    …data sources, including Internet, Intelligence Community (IC) reporting, security events, firewall logs, and other data sources to identify malware, misuse, ... unauthorized activity or other cyber security related concerns. + Track intelligence using open source and classified sources to identify malicious code threats and provide solutions to counteract that threat. + Identify gaps in visibility or coverage of cyber… more
    ManTech (10/16/25)
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  • Information System Security Engineer (ISSE)

    Assertive Professionals (Chantilly, VA)
    …access control mechanisms; defining and configuring the appropriate firewall settings; conducting intrusion detection and prevention; conducting vulnerability ... scanning; conducting anti-virus management; and conducting the necessary incidence response actions in accordance with client security policies. Exercise robust network oversight that incorporates rigorous compliance, privacy and data security standards and… more
    Assertive Professionals (10/09/25)
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  • Network Engineer IV

    Chenega Corporation (VA)
    …OR 4+ additional work experience equivalent. + 3+ years of experience in firewall and network security solutions: Cisco ASA, IDS, IPS, Content Filtering, Radius, ... VPN. + 5+ years of experience in network design and support in Cisco networking environment. Experience to include: + Hands-on experience implementing and administering network devices, setting and maintaining policies and rights/security within the… more
    Chenega Corporation (10/07/25)
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  • Infrastructure / DevOps Engineer

    Cadmus (Richmond, VA)
    …in Linux administration (RHEL 8/9) including patching, CIS/SELinux hardening, firewall , and performance tuning. + Hands-on expertise in webserver configuration ... with SiteMinder, load balancers, SSL/certificates, and reverse proxies. + Experience with CI/CD pipelines, IaC tools (Terraform, Ansible, CloudFormation), and container platforms (Docker, Kubernetes, OpenShift). + Experience in WebSphere 9 administration,… more
    Cadmus (10/07/25)
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