L3 Network Engineer (Aruba)

Job Title: L3 Network Engineer (BAU Support & Project Delivery (Aruba Wired & Wireless)

Location: Dallas, TX (Onsite-Rotational)

Key Responsibilities

Monitoring & Incident Management

• Monitor Aruba network health (switches, WLCs, APs) via Aruba Central / AirWave and SolarWinds NPM/NCM
• Triage, diagnose, and resolve L1/L2 incidents within defined SLA timelines; escalate P1/P2 issues per the escalation matrix
• Participate in bridge calls for major incidents and provide timely RCA documentation 

Change & Configuration Management

• Execute approved changes (firmware upgrades, VLAN/SSID changes, ACL updates, config pushes) through the change control process
• Maintain configuration backups, version control, and standardization using SolarWinds NCM or equivalent

Wireless & Wired Support

• Manage SSID provisioning, RF troubleshooting, and Aruba Central/AirWave administration
• Support ArubaOS-CX switch provisioning, VLANs, LACP, spanning tree, and interface level diagnostics
• Support ClearPass-based NAC, guest onboarding, and 802.1X troubleshooting

Reporting

• Maintain runbooks, SOPs, and network diagrams; generate SLA compliance and health check reports
• Contribute inputs to Monthly/Quarterly Operational Reviews (MOR/QBR)

Planning & Design

• Conduct site surveys and validate Aruba wireless/wired design against Low-Level Design (LLD) specifications
• Support Bill of Materials (BoM) validation and hardware procurement coordination with vendors/OEM

Implementation

• Stage, configure, and deploy Aruba switches, APs, and controllers for new site rollouts or refresh projects
• Execute migration/cutover activities (e.g., legacy vendor to Aruba, firmware/version upgrades across multiple sites) within approved maintenance windows
• Prepare and follow Method of Procedure (MOP) documents, rollback plans, and test/UAT checklists

Transition & Closure

• Support post-go-live hypercare, defect triage, and knowledge transfer to the BAU
  support team
• Deliver as-built documentation, project closure reports, and lessons-learned inputs
• Coordinate with Project Managers on status updates, risks, and timeline dependencies

Required Technical Skills

• Hands-on experience with ArubaOS-CX switches, ArubaOS (Instant AP / Controller based), Aruba Central, AirWave, and ClearPass
• Solid grounding in routing & switching fundamentals (VLAN, STP, LACP; basic OSPF/EIGRP)
• Wireless fundamentals: 802.11 a/b/g/n/ac/ax, RF planning and site survey basics
• Working knowledge of network monitoring platforms (SolarWinds NPM/NCM preferred)
• ITIL-aligned Incident/Problem/Change management, plus familiarity with project delivery methodology (Waterfall/Agile basics)
• Experience preparing MOPs, test plans, and as-built documentation
• Exposure to automation/scripting (Python, Ansible) for config deployment and reporting is an advantag