> Markdown version of [/jobs/ext/2038312-l3-network-engineer](https://www.wearedevelopers.com/jobs/ext/2038312-l3-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). --- # L3 Network Engineer - **Company:** ApTask - **Location:** United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Microsoft Azure, Border Gateway Protocol, Catalyst (Software), Cloud Computing, Data Centers, Enhanced Interior Gateway Routing Protocol, EtherChannel, Monitoring of Systems, Supervisory Control and Data Acquisition (SCADA), Hot Standby Router Protocol, Virtual Private Networks (VPN), Multi-protocol Systems, Python (Programming Language), Network Security, Network Layer, Network Monitoring, Routing, Network Segmentation, Cisco Nexus Switches, Open Shortest Path First (OSPF), Ansible, Zero Trust Network Access, SAP Sales and Distribution, Storage Virtualization, Wireshark, Virtual Local Area Networks, Wide Area Networks, Integrated Service Routers, Google Cloud, Firewalls (Computer Science), Infrastructure Automation Frameworks, SolarWinds (Software), Palo Alto Networks, Operational Systems, Routing & Switching, Terraform, Open Network Automation Platform, Splunk, Industrial Software, Cisco, Vmware - **Published:** August 12, 2026 - **Apply:** https://www.dice.com/job-detail/58bf7ff6-a53d-414e-9b9f-0875ae412ea1 ## About the Role * Cisco Routing & Switching (Catalyst, Nexus, ISR, ASR) * Palo Alto Strata, Panorama, GlobalProtect * SD-WAN (Cisco Viptela, Prisma SD-WAN) * Azure, AWS, Google Cloud Platform Networking * BGP, OSPF, EIGRP, MPLS * Network Security & Zero Trust * OT/Industrial Networking (SCADA, PLC, MES) * Terraform, Ansible, Network Automation * Wireshark, SolarWinds, ThousandEyes, Splunk * CCNP / PCNSE Preferred Experience: * 10+ years enterprise network engineering with strong Cisco, Palo Alto, SD-WAN, Cloud Networking, and Manufacturing/OT network expertise. ## Description * Senior L3 Network Engineer (Cisco, Palo Alto, SD-WAN, Cloud & OT) * Provide L3 support for enterprise, data center, cloud, and manufacturing network environments. * Design, deploy, and maintain Cisco routing and switching infrastructure. * Manage advanced routing protocols including BGP, OSPF, EIGRP, MPLS, and route redistribution. * Configure and support Layer 2/Layer 3 technologies including VLANs, STP, EtherChannel, HSRP, and QoS. * Administer Palo Alto Strata Next-Generation Firewalls, Panorama, GlobalProtect, NAT, and security policies. * Implement Zero Trust, network segmentation, and IT/OT security controls. * Design, deploy, and support SD-WAN solutions including Cisco SD-WAN (Viptela) and Palo Alto Prisma SD-WAN. * Support Projects for Compute Area (VMWare VSAN Project in US Domestic Region) * Manage WAN connectivity across MPLS, Internet, DIA, VPN, and hybrid network environments. * Design and support cloud networking across Azure, AWS, and Google Cloud Platform environments. * Implement and maintain ExpressRoute, Direct Connect, Cloud VPN, Transit Gateway, and Virtual WAN solutions. * Support Operational Technology (OT) networks, including manufacturing, SCADA, PLC, and industrial systems. * Perform root cause analysis, problem management, and major incident resolution for network outages. * Develop network automation using Terraform, Ansible, Python, and infrastructure-as-code practices. * Monitor network performance, security, and availability using enterprise monitoring and security tools. * Create technical documentation, lead network modernization initiatives, and collaborate with security, cloud, and infrastructure teams on strategic projects. ## 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) - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) - [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) - [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) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-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) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [From Prototype to Production: Build AI Agents with This Free 4-Course Learning Path](https://www.wearedevelopers.com/magazine/655-from-prototype-to-production-build-ai-agents-with-this-free-4-course-learning-path) - [Best US AI Conferences for CTOs in 2026: Build vs. Buy, Vendor Evaluation, and Peer Intelligence](https://www.wearedevelopers.com/magazine/736-best-us-ai-conferences-for-ctos-in-2026-build-vs-buy-vendor-evaluation-and-peer-intelligence)