Routing and Switching Wireless Engineer

Overview Routing and Switching Wireless Engineer (LAN, SD-WAN, Internet, DMZ, B2B, ACI DC). The Level 3 Senior Network & Wireless Ops Engineer oversees the stability and security of LAN / SD-WAN / ACI and wireless networks, ensuring seamless integration, performance, and compliance. This role handles escalated incidents, automation, and cross-team collaboration. Responsible for overseeing the stability, performance, and optimization of the organization’s enterprise network infrastructure. The role requires extensive hands-on experience in routing and switching technologies across LAN, SD-WAN, Internet, DMZ, B2B, and ACI Data Center environments. This engineer is expected to handle complex incidents, lead root cause analysis, and guide architectural decisions.

Responsibilities

Monitor WLCs, AP health, and BYOD services via Cisco Prime / Aruba AirWave.

Optimize QoS for wireless UC (Teams / Zoom).

Network Infrastructure Oversight : Manage and optimize routing, switching, and interconnectivity across LAN, WAN, DMZ, B2B, and cloud environments. Ensure availability, performance, and security of network services supporting critical business applications.

Advanced Troubleshooting : resolve complex technical issues spanning Layer 1–4. Lead root cause analysis and long-term corrective action planning.

Design & Implementation : Participate in network design reviews and implement enterprise-grade network infrastructure (ACI, SD-WAN, etc.). Evaluate and integrate new networking technologies to improve resilience and performance.

Network Change Management : Execute and oversee network configuration changes, migrations, and upgrades in compliance with change control policies. Ensure minimal downtime and risk to production systems.

Monitoring & Optimization : Proactively monitor network performance using tools like SNMP, NetFlow, and telemetry. Analyze trends and implement tuning strategies to enhance throughput and reduce latency.

Documentation & Standards : Maintain up-to-date documentation of network diagrams, configurations, and operational procedures. Ensure network practices align with internal standards and regulatory requirements.

Collaboration & Mentorship : Collaborate with security, infrastructure, and application teams on end-to-end service delivery. Provide guidance and knowledge transfer to Level 2 engineers and junior staff.

Skills & Qualifications

Expert-level knowledge in routing protocols (OSPF, BGP, EIGRP), switching (VLANs, STP, VTP), and IP addressing.

Expert-level in Cisco ACI / SD-WAN, WLCs, NAC, SIEM

Strong hands-on experience with Cisco technologies, including ACI Data Center and SD-WAN platforms.

Proficient in DMZ, B2B, and internet gateway configuration and operations.

Solid understanding of network segmentation, redundancy, and HA principles.

Bachelor’s Degree in Network Engineering, Computer Science, or related field.

Working Conditions

May require occasional data center and branch office visits.

Must be available for critical issue resolution and planned changes during off-hours.

Regular interaction with cross-functional technical teams.

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