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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineer - **Company:** ValidaTek, Inc. - **Location:** Arlington, TX, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Wireless LAN, Active Directory, Antivirus Softwares, Network Operating System (NOS), Capability Maturity Model Integration, Complex Networks, Cyber Security, Information Systems, Computer Engineering, System Configuration, Data Security, Dynamic Host Configuration Protocol, Domain Name System (DNS), VMware ESX Servers, Networking Hardware, Intrusion Detection Systems, Storage Area Network (SAN), Subnetting, Virtual Private Networks (VPN), Local Area Networks, Network Security, Network Troubleshooting, System Center Configuration Manager, Network Configuration and Change Management, Network Architecture, Network Planning and Design, Network Monitoring, Network Administration, Performance Tuning, Server Administration, Service Pack, TCP/IP, Transmission Control Protocol (TCP), Virtualization Technology, VMware VSphere, WhatsUp Gold (Software), Network Switches, Network Routing, Network Routers, Computer Network Operations, System Availability, Firewalls (Computer Science), Juniper, Information Technology, Network Support, Vcenter, Enterprise Integration, Network Server, Wsus, Cisco, Vmware - **Published:** August 8, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-network-engineer-arlington-va--cdc7f18b-2a00-4f5d-9f6c-b8cddb012666 ## About the Role * Active DoD Secret clearance required at minimum, but must be able to obtain a Top Secret clearance. * 8+ years of network engineering experience, preferably within the Defense sector * Bachelor's in Science degree in Computer Engineering, computer information systems, telecommunications, or management information systems, or have 10 years of documented experience. * Must have have senior knowledge of TCP/IP network design and support including; LAN, WLAN, and SDN networks, routing and sub-netting. * Provide design and implementation support for VMware ESX/VSphere Virtualization Technologies * Provide design and implementation support for Storage Area Network (SAN), Capability Maturity Model Integration (CMMI), Cisco Network Systems, Computer Engineering, Computer Science, Cross-Functional, DHCP (Dynamic Host Configuration Protocol), DNS (Domain Name System), DoD Information Assurance - IA, DoD Secret Clearance, Documentation, Emerging Technology, Firewalls, Government Organizations, High Availability, IT Requirements, Identify Issues, Information Technology & Information Systems, Information/Data Security (InfoSec), Intrusion Detection Systems, Juniper Networks Product Family, Local Area Network (LAN), Management of Information Systems/Technology (MIS), Microsoft Active Directory, Network Administration/Management, Network Architecture/Engineering, Network Configuration Management, Network Design, Network Integration, Network Monitoring, Network Operating Systems, Network Performance/Analysis, Network Router Configuration, Network Routers, Network Routing, Network Security, Network Support, Network Switching, Performance Analysis, Performance Management, Performance Tuning/Optimization, Process Development, Project/Program Management, Risk Management Framework (RMF), Sales/Support Engineering (SE), Software Administration, Software Patches, Storage Area Network (SAN), Subnetting, System Center Configuration Manager (SCCM), TCP/IP (Transmission Control Protocol/Internet Protocol), Technical Support, Telecommunications, Testing, Top Secret Clearance, United States Department of Defense (DoD), VMWare ESX/ESXi, VMWare vCenter, VMWare vSphere, VPN (Virtual Private Network), Validation Testing, Virtualization, Viruses, Windows Server Update Services (WSUS), Wireless LAN ## Description We are seeking a highly skilled Senior Network Engineer to join our team. The ideal candidate will have extensive experience in implementing and maintaining complex network infrastructures. The successful candidate will be responsible for ensuring the high availability, security, and performance of the network infrastructure. This role is hybrid: Two days on-site, three days remote. Responsibilities: * Design and implement complex network infrastructures that are scalable and meet the needs of the organization * Plan, configure and troubleshoot routers, switches, firewalls, and other network devices * Manage and maintain network infrastructure security, including firewalls, VPNs, and intrusion detection systems * Monitor network performance, identify and troubleshoot network issues, and implement corrective measures * Develop and maintain network documentation, diagrams, and policies * Collaborate with cross-functional teams to ensure effective network integration with other IT systems and applications * Stay current with emerging networking technologies and provide recommendations for the adoption of new technologies that can improve network performance and security. * Serve as the knowledge expert for the experience installing, configuring, and administering CISCO, Stratix, Juniper and/or Aruba devices to include but not limited to: Routers, Switches, and/or Firewalls., * Perform network monitoring of the network to include all assets. * Perform independent verification, validation, and project management for current and future projects. * Provide technical support, advice and troubleshooting for utility network operations with a 98% target network uptime. * Produce documentation for use in configuration, repair and troubleshooting of hardware, software and network operating systems. * Develop and document processes and procedures for the day to day operations. * Implement systems as needed based on network application requirements. * Knowledge of managing Active Directory, DHCP, DNS, WSUS, SCCM, and WhatsUp Gold. * Provide support for VMware ESX/VSphere Virtualization Technologies (ESX 6.5 or greater, Virtual Center, P2V Tools) design/management/implementation * Experience in task automation using scripting * Maintain virus definitions, patch versions and Department of Defense (DoD) Security Technical Implementation Guides (STIG) levels on all network servers and workstations. * Utilize the DoD Assured Compliance Assessment Solution (ACAS) to update, manage and track implementation of information security requirements for the IT assets and resources. * Support as needed DoD Information Assurance Risk Management Framework (DIARMF). ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering)