Technical Network Infrastructure Specialist

3 days ago


Singapore 11112 Citibank, N.A. Singapore Full time

We are seeking a skilled Technical Network Infrastructure Specialist to join our team at 11111 Citibank, N.A. Singapore.

Estimated salary: SGD $120,000 - SGD $180,000 per annum.

Job Description

Overview:

The role of the Technical Network Infrastructure Specialist is to provide technical support for Citibank's global network with a focus on network infrastructure in enterprise Cisco Internetworking Technology solutions and other internetworking technologies managed by Citi Networks.

Responsibilities:

  • Provide timely response to phone calls into the Technical Support hotline from internal colleagues within CTI, Citi business clients, vendors, and others.
  • Coordinate conference calls to conduct in-depth technical reviews on ongoing incidents.
  • Represent on conference calls for business-impacting incidents which may or may not be due to a failure in networks managed technology infrastructure.
  • Drive major incident conference calls as a representative of networks through consistent, professional, and highly assertive communication.
  • Maintain focus and poise for the duration of the major incident support cycle and work through all challenges with a results-oriented attitude and relentless focus on enhanced customer service through rapid incident resolution.
  • Collaborate with Networks SMEs, SDMs, Vendor Support Teams, etc., with the goal of aligning all parties towards achieving incident resolution as quickly as possible.
  • Communicate with networks Management to provide frequent status updates regarding the technical issue, status of the remediation efforts, and ongoing business impact.

Qualifications:

  • Bachelor's/University degree or equivalent experience.
  • 3+ years of experience in providing network operations supporting a network with 1000+ nodes.
  • NOC (Network Operations Center) experience or large financial institution network operation/implementation experience is highly preferred.
  • Intermediate level working knowledge of enterprise TCP/IP communications (IPv4, QoS, IPSEC, VPN, etc.).
  • Experience in supporting Load Balancers, DNS, DHCP.
  • Good knowledge of network protocol analysis using industry-standard toolsets such as Wireshark capable of performing in-depth packet capture analysis.
  • Good working knowledge following routing protocols: BGP, OSPF, RIP, Multicast.
  • Good working knowledge of IPSLA probes, EEM Applets, application-specific network performance analysis, and TCP/IP optimization mechanisms for maximizing application performance across enterprise networks.
  • Good working knowledge of common security threats facing enterprise networks including DDOS (Distributed Denial of Service) and various defensive mechanisms and threat mitigation strategies.
  • Industry certifications include: CCNA, CCNP, ITIL, and etc.
  • Good knowledge in SDWAN technology.
  • Automation skills in Python, shell, bash, and/or other languages.
  • Experience with Puppet, Ansible, or other automation frameworks.


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