Network Engineer

Position Overview

We are seeking a highly skilled Senior Network Engineer to serve as the primary escalation point for issues related to the rollout and stabilization of a Push-to-Talk (PTT) voice application on MPOS devices across a distributed retail environment.

This role is critical to ensuring voice reliability and operational continuity at the store level. The ideal candidate brings deep troubleshooting expertise across Aruba wireless, Juniper switching, and Palo Alto CloudGenix SD-WAN platforms, along with strong knowledge of real-time and voice protocols.

This individual will represent the Network Engineering team while collaborating closely with retail deployment partners and cross-functional teams. Success in this role requires strong analytical skills, structured troubleshooting methodology, clear communication, and a customer-focused mindset.

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Key Responsibilities

Escalation & Troubleshooting Leadership

· Serve as Tier 2 escalation point for retail store voice and wireless performance issues.

· Lead troubleshooting efforts across wireless, switching, and SD-WAN layers.

· Analyze end-to-end traffic flow from MPOS(Mobile Point of Sale) devices through store LAN and WAN infrastructure.

· Identify root cause across multi-platform environments and drive resolution.

· Lead troubleshooting bridges when store operations are impacted.

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Voice & Real-Time Application Support

· Troubleshoot voice-over-WiFi performance issues including latency, jitter, and packet loss.

· Analyze and validate QoS behavior across LAN and SD-WAN environments.

· Understand and troubleshoot real-time protocols such as SIP and RTP.

· Ensure traffic prioritization and path selection align with voice application requirements.

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Wireless Engineering (Aruba Environment)

· Perform advanced troubleshooting of enterprise wireless environments.

· Analyze RF performance, roaming behavior, channel utilization, and interference.

· Utilize Ekahau for wireless surveys, heatmap analysis, and post-deployment validation.

· Interpret survey results and recommend configuration or placement adjustments to support voice stability.

· Validate and optimize wireless configurations to support real-time voice traffic.

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Switching & SD-WAN

· Troubleshoot Juniper switching environments including VLANs, VRFs, IRB/SVI configurations, and routing.

· Diagnose SD-WAN path selection, traffic steering, and policy behavior within Palo Alto CloudGenix.

· Identify and correct deviations from standard configurations.

· Review and modify network configurations with appropriate peer review and documentation.

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Monitoring & Observability

· Leverage tools such as SolarWinds, Juniper Mist, and Aruba Airwave to support troubleshooting and proactive monitoring.

· Correlate telemetry data across platforms to isolate performance issues.

· Identify recurring patterns and drive systemic improvements.

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Documentation & Process Improvement

· Document required configuration changes and troubleshooting findings.

· Develop repeatable troubleshooting workflows and operational standards.

· Create and maintain knowledge base documentation.

· Utilize ServiceNow for ticket lifecycle management and escalation processes.

· Drive process improvements to reduce recurring store-level incidents.

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Collaboration & Communication

· Represent Network Engineering in collaboration with retail deployment and operations partners.

· Communicate technical findings clearly to both technical and non-technical stakeholders.

· Provide structured updates to leadership during high-impact incidents.

· Maintain a strong customer-focused approach when addressing store-impacting issues.

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Required Qualifications

· 5+ years of enterprise network engineering experience.

· Strong understanding of TCP/IP, OSI model, and enterprise routing concepts.

· Experience with BGP and OSPF fundamentals.

· Advanced troubleshooting experience in Aruba wireless environments.

· Hands-on experience with Ekahau for wireless surveys and validation.

· Experience supporting or troubleshooting voice-over-WiFi or real-time traffic applications.

· Experience with Juniper switching platforms.

· Experience with Palo Alto CloudGenix SD-WAN (or comparable SD-WAN platforms).

· Understanding of QoS principles and real-time protocol behavior (SIP, RTP).

· Experience using network monitoring tools such as SolarWinds, Juniper Mist, or Aruba Airwave.

· Proficiency with ServiceNow or comparable ticketing systems.

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Preferred Qualifications

· Experience supporting distributed retail, healthcare, or warehouse environments.

· Experience participating in large-scale technology rollouts.

· Strong documentation discipline and process-oriented mindset.

· Experience leading escalations in high-visibility environments.

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Key Competencies

· Highly analytical and methodical troubleshooting approach.

· Structured, process-driven mindset.

· Clear and confident communicator.

· Self-directed and organized.

· Strong ownership mentality.

· Customer-focused and calm under pressure.

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Impact of the Role

This position plays a critical role in ensuring the successful rollout and stabilization of voice capabilities across retail locations. The Senior Network Engineer will directly influence store performance, operational continuity, and customer experience by ensuring network infrastructure fully supports real-time voice applications.