Network Engineer
Quantum Health · Dublin, OH · Today
HybridFull-time
About the role
The Network Engineer is responsible for designing, implementing, supporting, and troubleshooting enterprise network infrastructure with a focus on Arista switching, spine-leaf data center architecture, Arista CloudVision, Palo Alto firewalls, and Palo Alto Strata Cloud Manager. This role supports network availability, security, performance, and scalability across data center, campus, cloud-connected, and remote-access environments.
Essential Responsibilities
- Design, configure, maintain, and troubleshoot Arista switches in campus and data center environments.
- Support spine-leaf network architecture, including leaf/spine connectivity, MLAG, VLANs, VRFs, routing, and high-availability designs.
- Manage network infrastructure using Arista CloudVision, including configuration compliance, change control, image upgrades, telemetry, and network visibility.
- Configure and support Palo Alto firewalls, including security policies, NAT, App-ID, User-ID, URL filtering, threat prevention, VPN, and logging.
- Manage firewall policy and configuration using Palo Alto Strata Cloud Manager.
- Troubleshoot network connectivity issues across switching, routing, firewall, VPN, DNS, DHCP, and application traffic flows.
- Aid with firewall migrations, policy cleanups, network segmentation, and data center connectivity projects.
- Monitor network health, performance, and availability using CloudVision, firewall logs, and other monitoring platforms.
- Develop and maintain network documentation, diagrams, standards, implementation plans, and operational procedures.
- Participate in change management processes, including risk analysis, backout planning, implementation steps, and post-change validation.
- Work with vendors and support teams to resolve hardware, software, circuit, and platform-related issues.
- Provide escalation support for service desk and infrastructure teams.
- Provide all other duties as assigned.
Qualifications
- Education: Bachelor’s degree in Information Technology, Computer Science, Engineering, or equivalent work experience.
- Experience: 3+ years of hands-on network engineering experience preferred.
- Hands-on experience with Arista EOS switching.
- Experience supporting spine-leaf data center architecture.
- Experience with Arista CloudVision for network management, compliance, telemetry, and change control.
- Strong knowledge of Layer 2 and Layer 3 networking concepts, including VLANs, VXLAN/EVPN, MLAG, STP, VRFs, BGP, OSPF, static routing, route maps, prefix lists, and ACLs.
- Experience configuring and troubleshooting Palo Alto firewalls.
- Experience with Palo Alto security features, including security policy, NAT policy, App-ID, User-ID, URL filtering, threat prevention, GlobalProtect VPN, IPsec VPN, logging, and traffic analysis.
- Experience using Palo Alto Strata Cloud Manager or Panorama to manage firewall policies and configurations.
- Strong troubleshooting skills using packet captures, logs, routing tables, session tables, and CLI commands.
- Ability to document network designs, standards, configurations, and troubleshooting steps.
- Experience participating in enterprise change management processes.
- Strong communication skills with the ability to explain technical issues to technical and non-technical teams.
- A high degree of personal accountability and trustworthiness, a commitment to working within Quantum Health’s policies, values and ethics, and to protecting the sensitive data entrusted to us.
Preferred Qualifications
- Experience with VXLAN/EVPN in an Arista environment.
- Experience with Prisma Access, GlobalProtect, or cloud-delivered security platforms.
- Experience with network automation or scripting using Python, Ansible, or APIs.
- Experience with monitoring tools such as CloudVision, LibreNMS, Grafana, PRTG, or similar platforms.
- Experience with data center migrations, firewall migrations, or network modernization projects.
- Familiarity with Microsoft Active Directory, DNS, DHCP, RADIUS, SAML, and certificate-based authentication.
- Familiarity with ITSM tools such as ServiceNow or Jira.
- Industry certifications such as Palo Alto PCNSA or PCNSE, Arista ACE, CCNA, CCNP, Network+, or Security+.
- Experience in enterprise, healthcare, financial, retail, or large campus/data center environments is a plus.