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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Network Engineer - **Company:** ValidaTek, Inc. - **Location:** Arlington, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Wireless LAN, Active Directory, Antivirus Softwares, Network Operating System (NOS), Complex Networks, Cyber Security, Computer Engineering, System Configuration, Dynamic Host Configuration Protocol, Domain Name System (DNS), VMware ESX Servers, Networking Hardware, Intrusion Detection Systems, Storage Area Network (SAN), Virtual Private Networks (VPN), Network Troubleshooting, System Center Configuration Manager, Network Architecture, Network Planning and Design, Network Monitoring, Virtualization Technology, VMware VSphere, WhatsUp Gold (Software), Network Routers, Computer Network Operations, System Availability, Firewalls (Computer Science), Juniper, Information Technology, Enterprise Integration, Network Server, Wsus, Cisco - **Published:** July 22, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=0950059705c7d007 ## 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), Preferred * Bachelors or better Licenses & Certifications Preferred * ITILv4 Foundations ## 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., * 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) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [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) - [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) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)