Job Description

Operation Mgmt Specialist
General Information
Req #
WD00087464
Career area:
Information Technology
Country/Region:
Singapore
State:
Central Singapore
City:
SINGAPORE
Date:
Tuesday, September 16, 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$69 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 , and read about the latest news via our .
Description and Requirements

• Possess Good Experience for providing L1 support and Maintenance of critical IT network Infrastructure
• Hands on experience of handling various network and security devices such as Firewall (Checkpoint and Palo Alto ), F5 Load Balancer, Cisco Routers (2800 series), Cisco catalyst switches (3700, 4500 series), Alcatel-Lucent Omni Switch (6850, 9000 series), Aruba Clear Pass
• Responsible for day-to-day Operations and administration on network & security infrastructure
• Perform installation, configuration, and maintenance of network equipment and network operating System
• Responsible for network design and security particularly troubleshooting and/or debugging network-related problems.
• Good Knowledge of troubleshooting, problem identification, problem resolution, and/or resolution recommendation activities to first- and second-level teams
• Managing of Cisco Security devices; ASA appliance 5555-X and 5585-X, Juniper Net screen & (including virtual firewall contexts), Checkpoint Firewall
• Managing of Cisco Data & Security Devices; ASDM, CSM, and DCNM
• Managing of Servers; AAA, SNMP, Syslog, NTP, DHCP, FTP, DNS, IPS, VPN, AAA, DNS, DHCP, load balancers, F5 Load balancer
• Managing of Cisco Routers and Switches Catalyst 6500,4500,3750,2960 & 3560 Series
• Managing of Alcatel Switches Omni Switches 6850 & Omni Switch 9000
• Significant exposure to TACACS+, Radius, and Cisco Access Control System
• Network consulting for new projects.
• Implementation of new solutions and risk mitigation techniques
• Receipt, evaluation, and implementation of inbound Network Access user and device provisioning/de-provisioning service requests
• Experience in managing Wireless Environment with WLAN Controller.
• Experience in managing Network Access Control
• Assets risk measurement and Mitigation/Minimize risk
• Network security issue-resolving approach
• Alignment with the security governance team
• Perform maintenance of the network authorization infrastructure as well as network backup system.
• Maintains the inventory of equipment and parts as well as documentation of vendor activates.
• Develop and document systems standards for computer and network devices.
• Recommend and schedule repairs to the LAN/WAN and ensure timely user notification of maintenance requirements and effects on system availability.
• Strong networking background and experience, with the ability to do troubleshooting of both access control and network-related problems.
• Troubleshoot networks, systems, and applications to identify and correct malfunction; other operational difficulties and provide telephone and internal users.

Additional Locations:

• Singapore - Central Singapore - Singapore

• Singapore - Central Singapore - SINGAPORE

• Singapore

• Singapore - Central Singapore

• Singapore - Central Singapore - Singapore , * Singapore - Central Singapore - SINGAPORE

Skills Required