Senior Network Engineer: Arista & Palo Alto Expert

Quantum Health; Dublin (OH); Hybrid; USD 120,000 - 160,000; Full time

Job summary

Quantum Health in Dublin, OH is seeking a Senior Network Engineer to design, implement, secure, and support enterprise network infrastructure with a strong focus on Arista switching, spine‑leaf architecture, Arista CloudVision, Palo Alto firewalls, and Palo Alto Strata Cloud Manager.

This role serves as a senior technical resource for network operations, project delivery, security policy implementation, troubleshooting, and network architecture improvements.

Qualifications

• Senior Network Engineer capable of designing, implementing, securing, and supporting enterprise network infrastructure.

Responsibilities

• Design, configure, and support enterprise switching environments using Arista EOS.
• Support and enhance spine‑leaf data center architecture, including leaf/spine connectivity, MLAG, VLANs, VRFs, routing, high availability, and segmentation.
• Manage network infrastructure using Arista CloudVision, including compliance, configuration management, software upgrades, telemetry, provisioning, and change validation.
• Lead troubleshooting for complex Layer 2, Layer 3, firewall, VPN, application, and routing issues.
• Configure and support Palo Alto firewalls, including security policy, NAT, App‑ID, User‑ID, URL filtering, threat prevention, GlobalProtect, IPsec VPN, and logging.
• Manage firewall configuration and policy through Palo Alto Strata Cloud Manager.
• Review, create, and optimize firewall rules to improve security, performance, and operational efficiency.
• Support routing protocols including BGP, OSPF, static routing, route maps, prefix lists, redistribution, and failover designs.
• Assist with network segmentation, firewall migrations, data center migrations, circuit turn-ups, and cloud connectivity projects.
• Provide advanced escalation support for network incidents, outages, performance issues, and security events.
• Develop and maintain network standards, diagrams, implementation plans, operational procedures, and troubleshooting guides.
• Lead change management efforts, including risk analysis, implementation steps, validation plans, and backout procedures.
• Partner with security, systems, cloud, application, service desk, and vendor teams to resolve issues and deliver projects.

Skills

Arista EOS

Spine‑leaf architecture

CloudVision

Palo Alto firewalls

Strata Cloud Manager

Network design

Troubleshooting

Security policy implementation

Tools

Arista CloudVision

Job description

Quantum Health in Dublin, OH is seeking a Senior Network Engineer to design, implement, secure, and support enterprise network infrastructure with a strong focus on Arista switching, spine‑leaf architecture, Arista CloudVision, Palo Alto firewalls, and Palo Alto Strata Cloud Manager.

This role serves as a senior technical resource for network operations, project delivery, security policy implementation, troubleshooting, and network architecture improvements.