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L3 Network Engineer

E-Solutions

 

Dallas, TX, USA

Posted On: 30+ days ago
Experience: 5+ years
Availability: Hybrid
Openings: 1
Category: L3 Network Engineer
Tenure: Contract - Corp-to-Corp
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Description

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 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

Education

Bachelor's degree

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