- System One (Alexandria, VA)
- …system for network device management. * Protocols: strong understating of TCP/IP, DNS , DHCP, BGP, and OSPF. * Security Tools: Experience with firewalls, Intrusion ... Detection Systems (IDS), and Intrusion Prevention Systems (IPS). Certifications (at least one of these certifications is required): Juniper Networks Certified Specialist: Enterprise Routing and Switching (JNCIS-ENT), Juniper Network Certified Internet Expert… more
- CACI International (Mclean, VA)
- …with cloud platforms (AWS). + Familiarity with network protocols (TCP/IP, HTTP, DNS , etc.) and networking equipment (routers, switches, firewalls). + Ability to ... problem-solve, analyze and troubleshoot complex systems, identify root causes, and apply appropriate solutions. + Strong knowledge of debugging tools and processes for diagnosing system issues. + Experience in managing or working with cross-functional teams to… more
- UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
- …protocols such as TCP/IP, Dynamic Host Configuration, Domain Name System ( DNS ), and directory services. + Knowledge of application vulnerabilities. + Knowledge ... of system administration, network, and operating system hardening techniques. + Knowledge of system administration concepts for operating systems such as but not limited to Unix/Linux, IOS, Android, and Windows operating systems. **Preferred:** + Experience… more
- General Dynamics Information Technology (Sterling, VA)
- …VE; Backup and Recovery; VPN; Networking; Firewalls; LAN/WAN; DHCP; DNS ; Security; Patch Management; Database Basics; Deployments; Operations; Teamwork. **GDIT ... IS YOUR PLACE** At GDIT, the mission is our purpose, and our people are at the center of everything we do. + Growth: AI-powered career tool that identifies career steps and learning opportunities + Support: An internal mobility team focused on helping you… more
- Amazon (Sterling, VA)
- …data center, hardware, software) - Knowledge of networking protocols such as HTTP(S), DNS , and TCP/IP Amazon is an equal opportunity employer and does not ... discriminate on the basis of protected veteran status, disability, or other legally protected status. Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or… more
- HII (Suffolk, VA)
- …capabilities). * Hands-on expertise with: o Virtualization (VMware, Hyper-V) o Networking & DNS configurations o System imaging & backup tools o Patch management & ... software deployment * Prior experience supporting live or simulated exercise environments. Physical Requirements Office, industrial, or shipboard environment. Capable of climbing ladders and tolerating confined spaces and extreme temperature variances. Lifting… more
- Noblis (Chantilly, VA)
- …in classified environments + Advanced implementation of network protocols (TCP/IP, DNS , DHCP, HTTP/S) with security hardening + Advanced load balancer implementation ... and configuration for classified applications + Secure VPN technologies and encrypted tunneling for classified data transmission + Advanced network security principles and practices including zero-trust architecture + Enterprise network monitoring, analytics,… more
- CACI International (Sterling, VA)
- …including command-line administration and network configuration/troubleshooting (eg, routing, VLANs, DNS , DHCP) + Proficiency with Puppet and Ansible for ... configuration management and automation + Ability to read and interpret Java, Javascript, and Python code for debugging support + Familiarity with version control and CI/CD tools (eg, Git, GitLab, Jenkins) + Strong scripting skills (eg, Bash, Python) +… more
- Deloitte (Mclean, VA)
- …Purdue and IEC 62443. + 4+ years designing and implementing VLANs, WLANs, DNS , firewalls, site-to-site IPsec, SD-WAN, and secure remote connectivity. + 4+ years of ... strong hands-on experience with real-time industrial protocols (eg, PROFINET, EtherNet/IP, OPC-UA) and troubleshooting plant-to-cloud networking (eg, VLAN/trunking, VRF-lite, VXLAN-EVPN). + Experience with network automation tools and scripting, including but… more
- Aston Carter (Dulles, VA)
- …Microsoft Azure Cloud. Technologies used include Cisco and Meraki Networking, DNS /DHCP Configuration, Active Directory, and VMware vSphere. The position requires ... flexibility to handle emergency issues outside of regular working hours and involves both on-site and remote work, supporting a dynamic and technically challenging environment. Job Type & Location This is a Contract to Hire position based out of Dulles, VA.… more