Senior Network & Wireless Operations Engineer

Job Purpose:

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.

Key Responsibilities & Duties:

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 14. 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:

Typically, 3+ years of relevant work experience in industry, with a minimum of 1 year in a similar role

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.

Strong diagnostic and analytical skills, especially under high-pressure situations.

Excellent documentation and communication skills.

Education & Certifications:

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

Preferred certifications:

- Cisco CCNP or CCIE (Enterprise or Data Center track, Wireless)

- ACI or Nexus-related training

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.