• Senior Software Developer

    ManTech (Herndon, VA)
    …network standards; strong understanding of network protocols and technologies, including TCP/IP, DNS , DHCP, and QoS, MPLS; Very strong knowledge of routing protocols ... (eg, BGP, EIGRP, OSPF) and network protocols (eg, TCP/IP, GRE, IPSEC, and VRF) + IAM III/IAT III Certification **Preferred Qualifications:** + One of the following certifications: Certified Business Analysis Professional (CBAP), Agile Certified Practitioner… more
    ManTech (11/21/25)
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  • Cybersecurity Data Analyst

    General Dynamics Information Technology (Springfield, VA)
    …of this service. + Retain documentation regarding loss of event logs (eg June 5-7th DNS logs were not ingested from SBU and are lost) + Configure all assets assigned ... to this service within the Government Furnished Information - Software Tools list in accordance with all Federal, DoD, IC, and NGA laws, directives, orders, polices, guidance, procedures etc. + Perform all development, design, engineering, testing,… more
    General Dynamics Information Technology (11/20/25)
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  • Senior System Administrator

    Amentum (Springfield, VA)
    …infrastructure deployments across various environments. * Assist in troubleshooting network, DNS , and storage issues and make recommendations for cost saving options ... and growth. * Participate in a shared on-call rotation when necessary. * Willing to work or backfill all shifts as needed (Core hours 5A-9P EST) * Mentor others or serve as a team lead, guiding the day-to-day activities of team members. * Ability to… more
    Amentum (11/20/25)
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  • Senior Product Manager, Pega Cloud Networking

    Pegasystems (Dulles, VA)
    …or DPA a plus). + Strong knowledge of networking principles (TCP/IP, VPN, DNS , firewalls). + Experience with AWS Direct Connect, Google Peering, Private Service ... Connect, and technologies like Kubernetes, F5, and cloud networking. + Proven track record as a trusted advisor and ability to identify cross-organizational opportunities. + Bachelor's degree in computer science (MBA preferred), or equivalent experience.… more
    Pegasystems (11/19/25)
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  • Network Based System Analyst

    Node.Digital (Arlington, VA)
    …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, Techniques and Common Knowledge (ATT&CK) - Knowledge of Computer Network… more
    Node.Digital (11/19/25)
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  • Senior System Administrator

    SAIC (Fort Belvoir, VA)
    …upgrades + Experience with Windows Server 2016 and later operating systems, Microsoft Active Directory, DNS , and DHCP + Ability to work as both part of a team and ... independently; and mentor junior personnel + Experience using PowerShell and other scripting languages **CERTIFICATION REQUIREMENT:** + DoD 8140.03 IAT Level II/Intermediate certification + Microsoft Certified Solutions Associate (MSCA) or Windows Server… more
    SAIC (11/19/25)
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  • Senior Mecm/MCM Engineer

    CACI International (VA)
    …and automation using PowerShell. + Strong understanding of Active Directory, DNS , PKI, and Group Policy integration within MECM environments. + Advanced ... SQL Server management and T-SQL query optimization skills specific to MECM databases. + Experience with Microsoft Azure infrastructure and MECM cloud integration components. + Knowledge of networking principles (TCP/IP, firewall, proxy configuration) and MECM… more
    CACI International (11/19/25)
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  • Windows & Azure SRE

    M. C. Dean (Vienna, VA)
    …of network infrastructure, concepts of operation, and protocols such as TCP/IP, DNS , DHCP, SNMP, Syslog, etc. + Knowledge of zero trust architecture (eg, ... Zscaler) implementation, as well as working experience with network routing, switching, and firewall configuration is a plus + Working knowledge of endpoint security (eg, Defender, Trend Micro), SIEM (eg, Splunk, Sentinel), vulnerability scanning (eg, Tenable… more
    M. C. Dean (11/18/25)
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  • Senior Software Developer

    ManTech (Herndon, VA)
    …network standards; strong understanding of network protocols and technologies, including TCP/IP, DNS , DHCP, and QoS, MPLS; Very strong knowledge of routing protocols ... (eg, BGP, EIGRP, OSPF) and network protocols (eg, TCP/IP, GRE, IPSEC, and VRF) + IAM III/IAT III **Preferred Qualifications:** + One of the following certifications: Certified Business Analysis Professional (CBAP), Agile Certified Practitioner (PMI-ACP),… more
    ManTech (11/18/25)
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  • RedHat & AWS SRE

    M. C. Dean (Vienna, VA)
    …of network infrastructure, concepts of operation, and protocols such as TCP/IP, DNS , DHCP, SNMP, Syslog, etc. + Knowledge of zero trust architecture (eg, ... Zscaler) implementation, as well as working experience with network routing, switching, and firewall configuration is a plus + Working knowledge of endpoint security (eg, Defender, Trend Micro), SIEM (eg, Splunk, Sentinel), vulnerability scanning (eg, Tenable… more
    M. C. Dean (11/18/25)
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