What are the responsibilities and job description for the Senior L3 Network Engineer position at Intone Networks?
Job Description: -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 GCP 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. Required Skills: -Cisco Routing & Switching (Catalyst, Nexus, ISR, ASR) -Palo Alto Strata, Panorama, GlobalProtect -SD-WAN (Cisco Viptela, Prisma SD-WAN) -Azure, AWS, GCP 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