Sr Operation Mgmt Specialist

We are Lenovo. We do what we say. We own what we do. We WOW our customers. Lenovo is a US$83 billion revenue global technology powerhouse, ranked #196 in the Fortune Global 500, and serving millions of customers every day in 180 markets. Focused on a bold vision to deliver Smarter Technology for All, Lenovo has built on its success as the world’s largest PC company with a full-stack portfolio of AI-enabled, AI-ready, and AI-optimized devices (PCs, workstations, smartphones, tablets), infrastructure (server, storage, edge, high performance computing and software defined infrastructure), software, solutions, and services. Lenovo’s continued investment in world-changing innovation is building a more equitable, trustworthy, and smarter future for everyone, everywhere. Lenovo is listed on the Hong Kong stock exchange under Lenovo Group Limited (HKSE: 992) (ADR: LNVGY). This transformation together with Lenovo’s world-changing innovation is building a more inclusive, trustworthy, and smarter future for everyone, everywhere. To find out more visit www.lenovo.com , and read about the latest news via our StoryHub . Key responsibilities Ensure that the network is performing normally by using network monitoring tools (e.g., SolarWinds, PRTG, Nagios) Ensure that all incidents reported are supported on timely manner. Travel to remote sites for troubleshooting and support as needed. Ensure that all alerts and events in the monitoring tools are being attended to. Perform timely escalation to 3rd vendors for hardware, software and telco related problems. Support service requests for operational changes related to load balancers, network switching and routing, firewall rules, update of security policies in security devices. Perform firmware upgrades for network and security devices. Check and react to security events on intrusion detection and prevention system, WAF Check, troubleshoot and log ticket to Cloud Service Providers for networking components deployed in Azure, AWS. Proficiency in using network monitoring tools (e.g., SolarWinds, PRTG, Nagios) Analyze network performance issues and recommends optimization options for implementation. Perform NetFlow tracing Ensure timely update and closure of ITSM tickets Work with the team and 3rd party vendors to provide root cause analysis for incidents. Required Skills & Qualifications Singaporean with Singaporean Spouse (if applicable), due to Security Clearance requirement. 3 years of relevant hands-on experience. Willing to work on 24x7 operational shifts . Experience with network monitoring and support of Cisco Routing and Switching, Network load balancers, Checkpoint or Palo Alto Firewalls Familiar with ITIL best practices and processes Good knowledge of networking (IP addressing, routing, VLANs) Desired Skills & Qualifications Cisco Certified Network Associate (CCNA) is preferred. Experience with Software-Defined Networking (SDN) : Cisco ACI, VMware NSX, Juniper Contrail, SD-WAN. Proficiency in network monitoring tools (SolarWinds, PRTG, Nagios) and performance optimization. Knowledge of VPN and remote access solutions (Cisco AnyConnect, Palo Alto GlobalProtect).