Senior Network Engineer - Enterprise WAN/LAN & Automation

OCBC Bank

Singapore

On-site

SGD 120,000 - 180,000

Full time

14 days+

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Benefits offered by this job

Competitive base salary

Learning & development opportunities

Holistic benefits

Job summary

OCBC Bank in Singapore is seeking a highly experienced AVP, Senior Network Engineer to design, implement, and maintain our bank’s LAN/WAN/Wireless networks across local and international branches. You will ensure stability, security, and performance of the network, while mentoring junior engineers and collaborating with cross-functional teams.

The role emphasizes troubleshooting, optimization, and compliance with data protection and security standards, with 100% on-site work at our Punggol

Qualifications

Bachelor’s degree in computer science, Information Technology, or a related field.
7+ years of experience in network engineering with a focus on enterprise networks, preferably in a financial institution.
Strong implementation knowledge of OSPF, BGP, IPSec, LISP, VXLAN, 802.1x, STP.
Expertise in routing, switching, network admission control, security gateways, and wireless technologies.
Industry certifications such as CCNP, CCIE, CCDE, HCIP, HCIE or equivalent preferred.
Hands-on experience with Network Automation Tools, Orchestration Platforms, and Network Monitoring.
Proficiency in network automation and scripting (Python, Ansible, Terraform, Bash, PowerShell).
Excellent analytical, problem-solving, and troubleshooting skills.
Ability to work under pressure and meet deadlines with minimal supervision.

Responsibilities

Design, deploy and optimize complex LAN/WAN/Wireless networks across buildings, domestic and international branches, and ATM networks.
Ensure stability, security, and performance of the bank's network infrastructure (LAN, WAN, Wi‑Fi, security systems).
Review and implement change requests across all network technologies based on new standards and business needs.
Lead network fault investigation, troubleshooting, resolution, recovery, and root cause analysis.
Develop and maintain comprehensive network documentation including diagrams and procedures.
Ensure regulatory compliance regarding data protection and security standards.
Collaborate with IT teams to align network services with business requirements.
Automate network operations using Python, Ansible, Terraform, or scripting tools.
Deliver and implement network projects according to Bank standards.
Manage vendor relationships to ensure timely delivery of services.
Mentor and train junior network engineers.