L3 Network Engineer (Aruba)

Location: Dallas, TX (Onsite-Rotational)

Key Responsibilities: Monitoring & Incident Management Monitor Aruba network health (switches, WLCs, Client) 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, Client, 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 advantage Certifications (Preferred) Aruba Certified Switching Associate/Professional (ACSA/ACSP) Aruba Certified Mobility Associate/Professional (ACMA/ACMP) Aruba Certified ClearPass Associate (ACCA) ITIL Foundation PMP / CAPM or equivalent project fundamentals exposure optional CCNA (general networking baseline) optional Soft Skills Ability to context-switch between reactive BAU firefighting and structured, milestone driven project work Clear, structured communication for both customer-facing incident updates and project status reporting Composure under pressure during major/P1 incidents and tight project cutover windows Ownership mindset with strong follow-through on RCA, permanent fixes, and project deliverables Willingness to work rotational shifts and occasional extended hours during go lives/cutovers