Senior Network Engineer

Senior Network Engineer – Cisco, ACI, SD-WAN & Enterprise Security (ONSITE)

What You'll Do / Key Responsibilities

• Lead site-by-site network discovery activities across LAN, WAN, wireless, and data center environments.

• Conduct on-site walkthroughs at Tier 1 hospital locations and remote assessments of Tier 2 and Tier 3 sites.

• Operate network discovery tooling, including Device42, Lansweeper, ServiceNow Discovery, and SolarWinds, to produce standardized configuration item inventories and topology datasets.

• Analyze network topology, IP addressing, routing, switching, redundancy, and high-availability posture.

• Correlate discovery tool output with documentation and stakeholder input.

• Review perimeter and network security controls, including firewall rulebase hygiene, hybrid alert routing, and connectivity to vendor-hosted applications.

• Contribute to hardware lifecycle, software and firmware currency, and end-of-life/end-of-support risk reviews.

• Develop standardized configuration templates and small-provider practice standards for switch additions, network additions, and change activities.

• Support risk register and 30-60-90-day remediation roadmap development.

• Contribute to assessment deliverables and governance reporting.

• Provide Tier 3 escalation support for complex network issues.

• Own network change management activities, including switch adds, network adds, firewall rule changes, and routine site refresh activities.

• Support the transition toward a self-healing infrastructure model through automation development, runbook authorship, and monitoring uplift.

• Own the ongoing cadence for vulnerability review and code upgrade planning across network infrastructure.

• Collaborate with network leadership and clinical stakeholders on change planning and clinical-window coordination.

• Mentor junior engineers and NOC staff as the team scales.

Required Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent professional experience.

• Minimum 8 years of hands-on enterprise network engineering experience, including at least 3 years in a senior or lead capacity.

• Deep expertise in Cisco networking, including:

  • Routing: OSPF, BGP, EIGRP

  • Switching: Nexus, Catalyst

  • Wireless: Meraki, Catalyst 9800

  • Security: ASA, Firepower

• Cisco ACI (Application Centric Infrastructure) certification required.

• Strong hands-on experience with at least two of the following or comparable enterprise firewall platforms:

  • Palo Alto Networks

  • Fortinet FortiGate

  • Check Point

  • Comparable enterprise firewall platforms

• SD-WAN experience with Cisco Viptela, Meraki SD-WAN, Fortinet Secure SD-WAN, VMware VeloCloud, or comparable technology.

• Experience with network discovery and CMDB tooling, including Device42, Lansweeper, ServiceNow Discovery, SolarWinds, or comparable platforms.

• Experience operating within a ServiceNow ITSM environment, including incident, change, problem, and CMDB workflows.

• Strong understanding of hybrid cloud connectivity patterns, including Microsoft Entra federation, vendor-hosted application connectivity, and site-to-cloud transit.

• Solid understanding of network security fundamentals, including segmentation, NAC, 802.1X, VPN, and PKI.

• Demonstrated ability to work independently across multiple sites, including hospital campuses and ambulatory practices.

• Excellent written and verbal communication skills, with the ability to translate technical findings into client-facing narratives.

Preferred Qualifications

• Cisco CCNP or CCIE certification, Enterprise or Security track.

• Palo Alto PCNSE, Fortinet NSE 6+, or comparable vendor security certifications.

• Prior experience delivering network assessments in healthcare, financial services, or other regulated environments.

• Familiarity with healthcare clinical infrastructure considerations, including medical device (IoMT) segmentation, HL7/FHIR connectivity, and EMR/EHR network dependencies.

• Experience with major EMR platforms and comparable EMR network connectivity patterns.

• Understanding of HIPAA Security Rule technical safeguards and HITRUST control expectations at a network infrastructure level.

• Experience with network automation tooling such as Ansible, Python, Terraform, or comparable technologies supporting the shift toward self-healing infrastructure.

• Prior experience in a Managed Services Provider (MSP) or NOC-driven service delivery model.