> Markdown version of [/jobs/ext/2925674-network-engineer](https://www.wearedevelopers.com/jobs/ext/2925674-network-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineer - **Company:** Arena Technical Resources - **Location:** Manassas, VA, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Border Gateway Protocol, Bioinformatics, Cyber Security, Computer Networks, EtherChannel, Trunking, Internetworking, Subnetting, Virtual Private Networks (VPN), Network Troubleshooting, Network Layer, Network Configuration and Change Management, Network Monitoring, Routing, Network Segmentation, Open Shortest Path First (OSPF), TCP/IP, Virtual Local Area Networks, Wide Area Networks, Wireless Networks, Firewalls (Computer Science), Information Technology, SolarWinds (Software), Cisco Switches, Cisco - **Published:** September 15, 2026 - **Apply:** https://www.atr.com/job/ATR%2018087/network_engineer#apply-now-header ## About the Role 3-5+ years of hands-on enterprise networking experience. - Strong experience with Cisco switches and enterprise network infrastructure. - Solid understanding of Layer 2 and Layer 3 networking. - Experience with VLANs, STP/RSTP, trunking, EtherChannel, TCP/IP, subnetting, and routing. - Working knowledge of routing protocols such as OSPF and BGP. - Hands-on experience with SolarWinds Orion or a comparable network monitoring platform. - Strong network troubleshooting and diagnostic skills. - Experience working within incident, problem, and change-management processes. - Ability to independently manage assigned work and troubleshoot issues through resolution. Preferred Qualifications - CCNA or CCNP certification. - Experience supporting Cisco Catalyst switching environments. - Experience with firewalls, wireless networking, VPNs, and WAN technologies. - Familiarity with SolarWinds NPM/NCM and network configuration management. - Experience supporting highly available or critical infrastructure environments. - Familiarity with cybersecurity practices, network segmentation, and access controls. - CISCO Next-generation Firewall (NGFW), Bachelor's degree in computer science, computer networks, or a related field. - Certification in related fields (CCNA, CCNP) required. Security and Cisco Certified Internetwork Expert (CCIE), a plus. ## Description Configure, maintain, and troubleshoot Layer 2 and Layer 3 switches. - Support VLANs, trunking, STP, routing, ACLs, DHCP, DNS, and related network services. - Monitor network devices, interfaces, links, and performance using SolarWinds Orion. - Configure and maintain Orion alerts, thresholds, interface monitoring, and network availability monitoring. - Investigate network alerts, outages, packet loss, latency, interface errors, and performance degradation. - Perform switch configuration, firmware/software upgrades, backups, and routine network maintenance. - Troubleshoot LAN/WAN connectivity and end-user network issues. - Support network changes through established change-management processes. - Maintain network diagrams, device inventories, configurations, and technical documentation. - Assist with network refreshes, equipment replacement, deployments, and infrastructure projects. - Coordinate with infrastructure, cybersecurity, service desk, vendors, and other technical teams as required. - Respond to operational incidents and participate in troubleshooting and root-cause analysis. - Ensure assigned tasks and incidents are completed independently with appropriate documentation and follow-through. ## 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) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [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) - [A Technical Introduction to Bitcoin's 2nd Layer- The Lightning Network](https://www.wearedevelopers.com/videos/15-a-technical-introduction-to-bitcoin-s-2nd-layer-the-lightning-network) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)