Network Management SME

Job Brief

Lenovo is looking for a highly skilled Level 2 Network Support Engineer with deep expertise in Cisco networking technologies to support, optimize, and transform enterprise network environments. This role is ideal for a hands-on network professional who thrives in complex infrastructure environments and has strong experience across network architecture, operations, security, automation, and troubleshooting.

The successful candidate will play a critical role in managing and enhancing large-scale Cisco-based networks, driving service excellence, ensuring network stability, and collaborating with customers, architects, OEMs, and cross-functional teams to deliver world-class network services.

Key Responsibilities

Network Operations & Support

• Manage, monitor, troubleshoot, and optimize enterprise network infrastructure across Data, Voice, Wireless, and Security domains.
• Provide Level 2 support for critical network incidents, service requests, and operational challenges.
• Ensure network availability, performance, reliability, and adherence to service level commitments.
• Drive end-to-end BAU operations for large enterprise network environments.

Cisco Network Technologies

• Install, configure, administer, and troubleshoot Cisco networking solutions.
• Manage and support Cisco Campus Networks, SDA (Software Defined Access), DNAC, ACI, ISE, WLC, Routing, Switching, and Network Security platforms.
• Deploy, maintain, and troubleshoot Cisco SDN and ACI environments.
• Implement and optimize Cisco Identity Services Engine (ISE) for secure access control and policy management.
• Support provisioning, automation, and assurance services using Cisco DNA Center.

Wireless & Security

• Design and support enterprise wireless network infrastructure.
• Manage Cisco Wireless LAN Controllers and Access Points, including upgrades, configuration, optimization, and troubleshooting.
• Implement wireless security controls and best practices.
• Configure and troubleshoot firewall policies, rules, and security controls.
• Monitor network traffic and proactively mitigate security risks and vulnerabilities.

Voice & Collaboration

• Support enterprise voice infrastructure including:
  • Cisco Call Manager (CUCM)
  • Voice Gateways
  • Unified Communications
  • Voice Conferencing and Webex Platforms
• Troubleshoot voice, telephony, and collaboration-related issues.

Automation & Continuous Improvement

• Develop and implement network automation solutions across Cisco technologies.
• Drive lifecycle management activities, including upgrades, patching, firmware updates, and infrastructure modernization.
• Identify opportunities for capacity planning, performance improvement, and service optimization.
• Lead continuous service improvement initiatives and operational excellence programs.

Stakeholder & Vendor Management

• Collaborate with network architects, administrators, security teams, and business stakeholders.
• Engage with OEMs, vendors, and ISVs to drive issue resolution and technology enhancements.
• Build strong relationships with client stakeholders and participate in operational and service review meetings.
• Provide technical leadership and guidance for complex network initiatives.

Required Technical Skills

Mandatory Expertise

• Cisco Routing & Switching
• Cisco SDA (Software Defined Access)
• Cisco DNA Center (DNAC)
• Cisco Wireless LAN Controllers (WLC)
• Cisco Identity Services Engine (ISE)
• Cisco ACI (Application Centric Infrastructure)
• Network Security Technologies
• Wireless Network Architecture & Design
• Cisco Firewalls
• Network Automation

Strong Knowledge Required In

• SDN (Software Defined Networking)
• Underlay & Overlay Architecture
• VXLAN
• Micro-Segmentation
• AAA Technologies
• DNS, DHCP & IPAM Solutions
• Firewall Management
• Network Monitoring & Troubleshooting

Voice Technologies

• Cisco Call Manager (CUCM)
• Voice Gateways
• Unified Communications
• Webex & Voice Conferencing Solutions

Qualifications & Experience

• Bachelor's degree in Computer Science, Information Technology, Electronics, or related discipline.
• Proven experience supporting complex enterprise Cisco network environments.
• Strong hands-on troubleshooting skills across wired, wireless, security, and voice technologies.
• Experience managing large-scale network infrastructure in enterprise environments.

Certifications

Mandatory

• Cisco CCNP (Valid Certification)

Preferred

• CCIE Enterprise Infrastructure
• CCIE Data Center
• Cisco Wireless Certifications
• Cisco Security Certifications
• ITIL Foundation

Soft Skills

• Excellent communication and stakeholder management skills.
• Strong analytical and problem-solving abilities.
• Ability to work independently in high-pressure operational environments.
• Customer-focused mindset with strong ownership and accountability.
• Strong presentation, negotiation, and relationship management skills.
• Ability to lead discussions with technical teams, vendors, and senior client stakeholders.

Why Join Lenovo?

Be part of a global technology leader where you will work with cutting-edge Cisco technologies, drive innovation in enterprise networking, collaborate with world-class experts, and contribute to building highly secure, scalable, and future-ready network infrastructures.