Operation Mgmt Specialist

4 days ago

Central Region, Singapore Lenovo (Singapore) Pte Ltd Full time $60,000 - $120,000 per year

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).

Description and Requirements

  • Manage, configure, and troubleshoot Cisco routers, switches, and firewalls.
  • Administer and maintain Palo Alto firewalls, including policy creation, monitoring, and security rule implementation.
  • Support Aruba NAC solutions, including authentication, authorization, and endpoint compliance.
  • Configure and maintain F5 load balancers, ensuring efficient traffic distribution and high availability of services.
  • Monitor network performance, identify issues, and provide timely resolutions.
  • Collaborate with cross-functional teams to support business operations and network-related projects.
  • Maintain network documentation, including topology diagrams, device configurations, and incident reports.
  • Participate in on-call rotation and provide L2 support for escalated network incidents.
  • Ensure compliance with security policies and industry best practices.
  • Perform day to day Administration task of tools.
  • Preform periodic version upgrade of tools.
  • Work with Security team to fix vulnerabilities identified in tools (monthly basis)
  • Facilitate investigation of complex technical issues.
  • Identify and escalate issues and work with vendors till issue closure, provide RCA.
  • Monitor instructions received or sent via internal monitoring system.
  • Perform health checks, system connectivity, consistency and data integrity.

Required Qualifications:

  • 3-5 years of experience in network engineering and support.
  • Strong knowledge and hands-on experience with Cisco networking devices and technologies.
  • Proficiency in managing Palo Alto firewalls and security policies.
  • Experience with Aruba NAC implementation and support.
  • Familiarity with F5 load balancer configuration and troubleshooting.
  • Understanding of TCP/IP, VLANs, VPNs, routing protocols (BGP, OSPF), and switching concepts.
  • Excellent problem-solving skills and attention to detail.
  • Effective communication and collaboration abilities.

Preferred Certifications: -

Cisco Certified Network Associate (CCNA) or higher. - Palo Alto Networks Certified Network Security Administrator (PCNSA) or higher. - Aruba Certified ClearPass Professional (ACCP) or equivalent. - F5 Certified BIG-IP Administrator (F5-CA) or higher. - Knowledge in SIEM/Log management tools such as RSA Netwitness

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