AVP, Senior Network Engineer (Distribute Network)

oversea-chinese banking corporation limited; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

Oversea-Chinese Banking Corporation Limited seeks an AVP, Senior Network Engineer to design, implement and maintain our building and international office networks. You will ensure stability, security, and performance while mentoring junior engineers and collaborating with cross-functional teams.

You will lead design and deployment of LAN/WAN/Wi‑Fi networks, automate operations with Python/Ansible/Terraform, and ensure compliance with regulations.

Qualifications

• Bachelor’s degree in computer science, information tech, or related field.
• 7+ years of network engineering experience, enterprise networks; financial institution preferred.
• Strong design and operation knowledge of OSPF, BGP, IPSec, LISP, VXLAN, 802.1x, STP.
• Routing, switching, security gateways, wireless technologies expertise.
• CCNP/CCIE/CCDE, HCIP/HCIE or equivalent certifications preferred.
• Hands-on with network automation tools, orchestration platforms, and monitoring.
• Python, Ansible, Terraform, Bash or PowerShell scripting proficiency.
• Strong analytical, problem-solving, and troubleshooting skills.
• Ability to perform under pressure with minimal supervision.
• Willingness to learn and absorb large amounts of information quickly.
• Strong interpersonal and communication skills.

Responsibilities

• Design, deploy and optimize LAN/WAN/Wireless across buildings, domestic and international branches.
• Ensure stability, security and performance of bank network infrastructure.
• Review and implement changes across network technologies per standards and needs.
• Lead fault investigation, troubleshooting and root-cause analysis.
• Develop and maintain network documentation, diagrams, and procedures.
• Ensure compliance with internal/external security regulations.
• Collaborate with IT teams to align services with business needs.
• Automate operations using Python, Ansible, Terraform, or scripting.
• Deliver network projects per bank standards.
• Manage vendors/partners for timely delivery; mentor junior engineers.

Skills

Networking expertise

Mentoring

Analytical thinking

Communication skills

Team collaboration

Education

Bachelor’s degree in computer science, Information Technology, or a related field

Tools

Python

Ansible

Terraform

Bash

PowerShell

ForeScout NAC

SD-WAN

Job description

Job Description

We are looking for a highly experienced AVP, Senior Network Engineer responsible for designing, implementing, and maintaining the bank’ s building and international office networks. In this critical role, you will ensure the stability, security, and performance of our network infrastructure, which is essential for supporting business operations and delivering high-quality services to our customers. You will play a key role in troubleshooting, optimization, and security enforcement while mentoring junior engineers and collaborating with cross-functional teams.

Key Responsibilities:

• Design, deploy and optimize complex LAN/WAN/Wireless network across building, domestic and international branches, and ATM network infrastructure
• Ensure the stability, security, and optimal performance of the bank's network infrastructure, including LAN, WAN, Wi-Fi, and security systems.
• Review and implement changes request across all network technologies based on new design standards and business requirements.
• Lead network fault investigation, troubleshooting, resolution, recovery, and root cause analysis.
• Develop and maintain comprehensive network documentation, including architecture diagrams, technical guides, and operational procedures.
• Ensure network infrastructure is compliance with internal and external regulatory requirements, including data protection and security standards.
• Collaborate with IT teams, such as End User, Cybersecurity, Cloud, and Applications, to ensure seamless integration and alignment of network services with business requirements.
• Automate network operations using Python, Ansible, Terraform, or scripting tools.
• Deliver and implement network projects according to Bank standards and requirements.
• Manage relationships with vendors and partners to ensure timely and effective delivery of network services.
• Mentor and train junior network engineers to improve team capabilities.

Qualifications & Skills:

• 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, preferred with working experience in a financial institution.
• Strong implementation knowledge of the following protocols: OSPF, BGP, IPSec, LISP, VXLAN, 802.1x, STP.
• Expertise in routing, switching, network admission control, security gateways, and wireless network technologies.
• Industry certifications such as CCNP, CCIE, CCDE, HCIP, HCIE or equivalent preferred.
• Preferred with hands-on experiences on Network Automation Tools, Orchestration Platform, Network Monitoring, and related components.
• Proficiency in network automation and scripting (Python, Ansible, Terraform, Bash, or PowerShell).
• Excellent analytical, problem-solving, and troubleshooting skills.
• Proven ability to operate under pressure and meet challenging deadlines with minimum supervision.
• Willingness and demonstrate capability to learn, assimilate, and act upon large amounts of information rapidly.
• Strong interpersonal and communication skills.

Preferred Skills:

Experience in enterprise networking, Routing/Switching (Cisco/Huawei), Wireless (Cisco/Aruba), NAC(ForeScout) and SD-WAN (Aruba/Fortinet/Cisco) solutions.

Side Note:

• This role is 100% Work in office, based at Tampines/ Loyang/ Punggol
• During network incidents, this role may require you to be available outside of standard office hours to support troubleshooting efforts.