- Nightwing (Sterling, 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
- Chenega Corporation (Oakton, VA)
- …in Extra Hop, SolarWinds, and Splunk + Conduct protocol-level analysis of TCP/IP, DNS , HTTP/S, SMTP, and encrypted tunnels (eg, TLS, VPN) to identify misuse, ... threats, or performance issues + Develop traffic reports, summaries, and actionable insights for both technical and non-technical stakeholders + Support tuning of alerts, dashboards, and data feeds that rely on network traffic sources + Provide mentorship and… more
- General Dynamics Information Technology (Quantico, VA)
- …administration + Experience administering Windows Servers, Active Directory including ADFS, DNS , SMTP, Network Load Balancing, Reverse proxy, Windows Firewall, Event ... Viewer Performance Monitoring and PowerShell scripting + Experience configuring and maintaining SharePoint Enterprise search, index configurations, and scheduling + Experience supporting Microsoft SQL Server in a SharePoint environment + In-depth knowledge and… more
- CoStar Realty Information, Inc. (Arlington, VA)
- …networks in AWS and on-prem (eg, systems & network administration, DNS , hypervisors, containers, databases, multi-datacenters) + Background with Bash scripting and ... programming languages such as Java, C#, Python, NodeJS + Solid sizing and estimation techniques for small to medium size tasks and projects **Preferred Qualifications and Skills** + Server-less architecture methodologies + Familiarity with PCI compliance and… more
- Chenega Corporation (Arlington, VA)
- …and problem-solving across complex enterprise networks. + Strong knowledge of TCP/IP, DNS , DHCP, BGP, OSPF, and other core networking protocols. + Knowledge of ... classified/unclassified government network requirements, NIST, DISA STIGs, and other cybersecurity frameworks. + Effective collaboration with cross-functional teams, including security, systems engineering, and program management. + Lead enterprise-scale… more
- Node.Digital (Arlington, VA)
- …* Knowledge of basic networking protocols, including TCP/IP, UDP, HTTP/HTTPS, SSH, and DNS , and open security standards and projects, including OWASP * Knowledge of ... CVSS and KEV scoring methodology * Knowledge of general attack stages (eg, foot printing and scanning, enumeration, gaining access, escalation of privileges, maintaining access, network exploitation, covering tracks, etc.) * Knowledge of VM scanning, Web… more