Senior Enterprise Network Engineer: SD-WAN & Security

Athena Information Technology

Atlanta (GA)

On-site

USD 110,000 - 180,000

Full time

8 days ago

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Job summary

Athena Information Technology is seeking a Network Engineer III to design, implement, and optimize enterprise network infrastructure across multiple locations in the United States. The role requires deep expertise with Cisco, Palo Alto, Aruba, SD-WAN, and carrier management, with hands-on responsibility for high-availability healthcare operations.

You will mentor junior engineers, automate common tasks using AI tools, and participate in a rotating 24/7 on-call schedule to maintain performance,

Qualifications

9+ years of progressively responsible enterprise networking experience.
Experience supporting complex production network environments.
Proven ability to work independently and manage multiple priorities.

Responsibilities

Design, configure, maintain, and troubleshoot enterprise LAN, WAN, wireless, firewall, VPN, and SD-WAN environments.
Diagnose and resolve complex network performance and connectivity issues using packet captures, routing analysis, system logs, and monitoring platforms.
Administer and support: Cisco routing and switching infrastructure; Palo Alto firewalls and GlobalProtect VPN; Aruba wireless solutions; Aruba ClearPass; Palo Alto Prisma SD-WAN ION devices.
Partner with carriers and internal telecommunications teams to coordinate: circuit installations, upgrades and migrations, outage response, service restoration, escalation management.
Validate performance, failover capabilities, and redundancy for new network services.
Utilize Cortex XDR telemetry to assist with incident investigations and coordinate response activities with Infrastructure and Information Security teams.
Improve monitoring, alerting, reporting, and capacity planning utilizing: Zabbix, Grafana, Aruba AirWave, SolarWinds.
Maintain network documentation, configuration backups, and operational standards.
Mentor junior engineers and contribute to technical knowledge sharing.
Use approved AI tools, scripting, and APIs to automate repetitive tasks and accelerate troubleshooting efforts.
Participate in a rotating 24/7 on-call schedule and occasional after-hours maintenance activities.