Technical Network Infrastructure Specialist
3 days ago
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 DescriptionOverview:
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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