- CACI International (Sterling, VA)
- …+ Knowledge of networking configurations and hardware, especially with Cisco equipment ( DNS , routing, VLANs, VPNs, etc.) + Experience using automated testing and ... security scanning tools (SonarQube, Fortify, etc.). + Experience with interpreting, implementing, and maintaining cybersecurity baseline configurations (STIG, NIST 800-52 and 800-171, etc) + Familiarity with hypervisors and managing virtual environments… more
- Trace Systems Inc (Portsmouth, VA)
- …networking knowledge to diagnose and resolve connectivity issues involving TCP/IP, DNS , DHCP, and VPN technologies. + Demonstrating awareness of cybersecurity best ... practices and adherence to data handling, access control, endpoint security, and incident reporting procedures. + Maintaining compliance with role-based access control (RBAC) and acceptable use policies. + Exhibiting strong written and verbal communication,… more
- General Dynamics Information Technology (Chantilly, VA)
- …servers and workstations is a plus (SSSD, WinBind, etc.) + Strong understanding of DNS , DHCP and LDAP in a Windows or Linux environment + Operating system deployment ... and Configuration Management via Satellite and/or Ansible Automation Platform + Application Troubleshooting such as Firefox, Chrome, Java and/or Citrix based virtual applications such as Outlook, Excel, Word + Understanding of SMB/CIFS and NFS file sharing… more
- General Dynamics Information Technology (Chantilly, VA)
- …systems. + **Support Skills** : Extensive support knowledge in DNS , certificates/PKI, TLS, signaling/media, AD, PowerShell, APIs/REST, Network/FW, and h.323/SIP. ... + **Advanced Troubleshooting** : Proven troubleshooting across signaling/media layers using call traces and packet captures (Wireshark/tcpdump). + **Customer Service** : Superior customer service skills, essential for engaging with diverse stakeholder groups… more
- General Dynamics Information Technology (Fairfax, VA)
- …Cisco AnyConnect, and Zscaler. + Strong understanding of networking, DNS , Load-Balancers, Application Gateways, firewall rules, network security groups (NSG) ... and Web Application Firewalls (WAF). **Desired Skills:** + Experience with Word, Excel, PowerPoint, Visio, Visual Studio Code and MS Teams. + Experience with ITIL and Agile Methodologies (SCRUM, SAFe) and their ceremonies. + Demonstrated experience performing… more
- V2X (Springfield, VA)
- …regarding their experience in network administration, Domain Name Server ( DNS ) maintenance, Field Level Network (FLN) troubleshooting, and commissioning. Security ... Clearance Requirement: This position requires a current Top Secret / Sensitive Compartmented Information (TS/SCI) Clearance. At V2X, we are deeply committed to both equal employment opportunity, including protection for Veterans and individuals with… more
- ENS Solutions (Reston, VA)
- …platforms. + Solid understanding of core network protocols (TCP/IP, TLS, DNS , HTTP/S, NetFlow/IPFIX, etc.) + Active TS/SCI clearance; willingness to take ... a polygraph exam + Associate's degree and 5+ years of experience supporting IT projects and activities, Bachelor's degree and 3+ years of experience supporting IT projects and activities, or Master's degree and 1+ year of experience supporting IT projects and… more
- SAIC (Arlington, VA)
- …Windows Server, Active Directory Domain Services (AD DS), Domain Name System ( DNS ), and Group Policy (GP) management. + Experience implementing and managing Active ... Directory Certificate Services (AD CS) to support a large-scale Public Key Infrastructure (PKI). + Strong understanding of authentication mechanisms (Kerberos, LDAP, NTLM) and experience with advanced troubleshooting. + Experience implementing Public Key… more
- ENS Solutions (Reston, VA)
- …in packet analysis, PCAP management, DPI technologies, and network protocols (TCP/IP, DNS , TLS, HTTP, etc.). + Familiarity with Suricata, Zeek, or other packet/flow ... analysis platforms. + Experience engineering within a Zero Trust Architecture (ZTA), including segmentation, continuous verification, and identity-centric access. + Proficiency with Linux systems administration, containers, and distributed systems. +… more
- Insight Global (Reston, VA)
- …Karpenter) and associated open-source components. * Own platform network configuration ( DNS , firewall services/TIC 3.0, VPN/tunnels). * Direct base image automation, ... distribution, and security incident response. * Implement and maintain load balancer configurations (public & ingress, TIC 3.0 compliance). * Drives development of golden paths and developer self-service capabilities. * Lead contingency planning and disaster… more