About this role
WHO WE ARE:
As Singapore’s longest established bank, we have been dedicated to enabling individuals and businesses to achieve their aspirations since 1932. How? By taking the time to truly understand people. From there, we provide support, services, solutions, and career paths that meet their individual needs and desires.
Today, we’re on a journey of transformation. Leveraging technology and creativity to become a future-ready learning organisation. But for all that change, our strategic ambition is consistently clear and bold, which is to be Asia’s leading financial services partner for a sustainable future.
We invite you to build the bank of the future. Innovate the way we deliver financial services. Work in friendly, supportive teams. Build lasting value in your community. Help people grow their assets, business, and investments. Take your learning as far as you can. Or simply enjoy a vibrant, future-ready career.
Your Opportunity Starts Here.
Network Domain Architect
Why Join
Imagine being part of a team that shapes the future of banking technology. As a Network Domain Architect at OCBC, you'll play a key role in designing and implementing innovative solutions that transform the way we deliver financial services. You'll have the opportunity to work on exciting projects, collaborate with talented individuals, and develop your skills in a dynamic and supportive environment.
How you succeed
To succeed in this role, you'll need to stay ahead of the curve in terms of technology trends and advancements. You'll work closely with stakeholders to understand their needs and develop architecture solutions that meet their requirements. You'll also need to collaborate with cross-functional teams to ensure seamless integration and implementation of technology solutions.
What you do
Align Solution Design with Enterprise Strategy
Demonstrate strong understanding of enterprise infrastructure strategy and roadmap; ensure network architectures (campus, data center, WAN/SD-WAN, wireless, edge, cloud networking) align to blueprints, standards and guiding principles across on-prem and multi-cloud.
Deliver Comprehensive Solutions Design Artefacts
Produce HLD/MLD, deployment architectures, as-built documents and executable blueprints (IaC) for routing/switching, load balancing, DNS/DHCP/IPAM, network segmentation, and connectivity patterns including hybrid and intercloud.
Define and Evolve Architecture Design Patterns
Define reusable patterns for underlay/overlay (e.g., EVPN/VXLAN), SD-WAN, network virtualization, QoS, telemetry, and resilience; evolve standards for addressing, naming, versioning, and automation.
Deep Domain Expertise with Agility
Bring deep expertise in BGP/OSPF, MPLS, EVPN/VXLAN, L2/L3 designs, NAC, wireless (802.11ax), load balancers (L4–L7), cloud networking (VPC/VNet, TGW/ExpressRoute), and tooling for observability and performance.
Collaborate and Govern Effectively
Drive governance via Architecture/Platform forums; identify deviations/tech debt in network stacks and steer remediation plans and lifecycle upgrades with vendor roadmaps.
Hands-On Engagement with Delivery Teams
Partner with engineering/operations through build and cutover; create automation playbooks, test plans, and rollback/runbooks; ensure adherence to designs and SLOs for availability and latency.
Provide Expert Guidance and Support
Advise on complex troubleshooting, capacity planning, and performance tuning; mentor engineers on automation (e.g., Ansible/Python/Terraform) and best practices.
Who you are
10+ years in large-scale enterprise networking across data center, campus, WAN/SD-WAN, and cloud connectivity.
Expertise in routing/switching (BGP, OSPF), network overlays (EVPN/VXLAN), load balancers, DNS/DHCP/IPAM, and NAC.
Hands-on with network automation and IaC (Ansible, Python, Terraform) and CI/CD integration for network changes.
Strong knowledge of cloud networking across AWS/Azure/GCP (VPC/VNet, Transit Gateway/ExpressRoute, PrivateLink/Peering).
Experience designing for resiliency, performance, and observability (NetFlow/IPFIX, SNMP, streaming telemetry).
Proven delivery of HLD/MLD, deployment architectures, and executable blueprints aligned to enterprise standards.
Certifications such as CCNP/CCIE, JNCIP/JNCIE, or equivalent are advantageous.
What we offer:
Competitive base salary. A suite of holistic, flexible benefits to suit every lifestyle. Community initiatives. Industry-leading learning and professional development opportunities. Your wellbeing, growth and aspirations are every bit as cared for as the needs of our customers.
Other facts
About OCBC
OCBC is the longest established Singapore bank, formed in 1932 from the merger of three local banks, the oldest of which was founded in 1912. It is now the second largest financial services group in Southeast Asia by assets and one of the world’s most highly-rated banks, with an Aa1 rating from Moody’s. Recognised for its financial strength and stability, OCBC is consistently ranked among the World’s Top 50 Safest Banks by Global Finance and has been named Best Managed Bank in Singapore by The Asian Banker.
OCBC and its subsidiaries offer a broad array of commercial banking, specialist financial and wealth management services, ranging from consumer, corporate, investment, private and transaction banking to treasury, insurance, asset management and stockbroking services.
OCBC’s key markets are Singapore, Malaysia, Indonesia and Greater China. It has more than 570 branches and representative offices in 19 countries and regions. These include about 300 branches and offices in Indonesia under subsidiary Bank OCBC NISP, and over 90 branches and offices in Mainland China, Hong Kong SAR and Macau SAR under OCBC Wing Hang.
OCBC’s private banking services are provided by its wholly-owned subsidiary Bank of Singapore, which operates on a unique open-architecture product platform to source for the best-in-class products to meet its clients’ goals.
OCBC's insurance subsidiary, Great Eastern Holdings, is the oldest and most established life insurance group in Singapore and Malaysia. Its asset management subsidiary, Lion Global Investors, is one of the largest private sector asset management companies in Southeast Asia.
What you'll do
- The Network Domain Architect will design and implement innovative solutions to transform financial services delivery. This role involves aligning solution design with enterprise strategy and collaborating with cross-functional teams for seamless integration.
Ready to join OCBC?
Take the next step in your career journey