General Information Req # WD00076594 Career area: Information Technology Country/Region: Singapore State: Central Singapore City: SINGAPORE Date: Thursday, February 6, 2025 Working time: Full-time Additional Locations:  * Singapore - Central Singapore - Singapore * Singapore - Central Singapore - SINGAPORE Why Work at Lenovo We are Lenovo. We do what we say. We own what we do. We WOW our customers. 
Lenovo is a US$57 billion revenue global technology powerhouse, ranked #248 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. Description and Requirements - Managing of Security devices like Checkpoint and Palo Alto Firewalls.- Knowledge on data center network including Cisco Nexus switches.- Knowledge on load balancer like F5 BIG IP (LTM and GTM).- Managing of Cisco Routers ISR/ASR Series and Switches Catalyst 6500,4500,3750,2960 & 3560 Series- Significant exposure to 802.1x, TACACS+ and Radius.- Responsible for day to day Operations and administration on data center network & security infrastructure.- Perform Installation, configuration and maintenance of network equipment and network operating System- Responsible for security, particularly trouble shooting and/or debugging network related problems.- Good Knowledge troubleshooting, problem identification, problem resolution and/or resolution recommendation activities to first- and second-level teams- Architect, implement, and maintain network solutions that provide core infrastructure, including private cloud, and integrate with services and systems running in virtual private and public cloud infrastructure.- Communicate with team to identify needs, monitor performance, and diagnose and resolve issues with network and systems.- Provide project management for various network activities, including upgrades, implementations, and migrations, offering technical direction and user support as needed.- Create, update, and maintain documentation of environment and operational procedures.- Create reports and documentation outlining findings and solutions. You Bring- Extensive experience with network infrastructure and hardware- Proficiency with infrastructure devices, including switches, routers, wireless access points, controllers, and firewalls.- Working knowledge in network protocols and technologies such as TCP/IP, DNS, DHCP, VPN, VLANs, IPSec, and routing protocols (e.g., OSPF, BGP). - Expertise in designing, monitoring, and repairing local area networks (LAN) and wide area networks (WAN) Preferred skills and qualifications- Bachelor’s degree (or equivalent) in technology, with focus on network engineering- Professional certification (e.g. CCNP, CCIE, JNCIE-ENT, CompTIA Network+, WCNA) Additional Locations:  * Singapore - Central Singapore - Singapore * Singapore - Central Singapore - SINGAPORE * Singapore * Singapore - Central Singapore * Singapore - Central Singapore - Singapore , * Singapore - Central Singapore - SINGAPORE