L3 Network Engineer

ApTask

United States

1 day ago

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Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Experience level

Expert

Experience required

10 years minimum

Working hours

Regular working hours

Job source

www.dice.com

Tech stack

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)

+30 more

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

Job 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.