About UOB

United Overseas Bank Limited (UOB) is a leading bank in Asia with a global network of more than 500 branches and offices in 19 countries and territories in Asia Pacific, Europe and North America. In Asia, we operate through our head office in Singapore and banking subsidiaries in China, Indonesia, Malaysia and Thailand, as well as branches and offices. Our history spans more than 80 years. Over this time, we have been guided by our values – Honorable, Enterprising, United and Committed. This means we always strive to do what is right, build for the future, work as one team and pursue long-term success. It is how we work, consistently, be it towards the company, our colleagues or our customers.

Job Description

The Network Support Engineer provides service recovery and support for enterprise network environments with a key focus on VMware NSX and Layer 2/3 networking. The role ensures rapid restoration of services, stability of network platforms, and adherence to ITIL‑based operational processes.

Responsibilities include initial triage, troubleshooting, execution of recovery actions, and escalation to L3/network engineering teams when needed. Candidates must be willing to participate in a 24×7 on‑call rotation.

The Technology function is responsible for activities related to the strategic direction and control of all information systems and technology capabilities, both internally and externally. Includes system design and programming, network planning, budget planning, database management, and computer operations.

Provide L1/L2 production support for network infrastructure with high availability and uptime mandates.
Support, maintain, and troubleshoot VMware NSX (NSXT / NSXV) environments.
Manage logical switching, routing, DFW, Edge services, NAT, and load balancing in NSX.
Configure and troubleshoot LAN/WAN networks including VLANs, TCP/IP, ARP, DNS, DHCP.
Work with routing protocols: BGP, OSPF, static routing.
Support and troubleshoot firewall technologies (physical and virtual).
Work with load balancers such as F5, AVI (NSX ALB), or equivalent.
Support network performance tuning, capacity planning, and monitoring.
Handle incidents, problems, and change management following ITIL practices.
Perform root cause analysis (RCA) and implement preventive measures.
Support 24x7 operations as part of an On-Call or shift-based support model.
Coordinate with application, system, security, and operations teams during incidents and outages.
Ensure network security compliance and enforce best practices.
Assist with security audits, vulnerability remediation, and policy enforcement.

Job Requirements

Degree in Information Technology, Computer Science, or equivalent.
At least 3 years of experience in Network support.
At least 2 years of experience in VMWare NSX support.
Understanding of core networking:

TCP/IP, VLANs, L2/L3 routing
OSPF/BGP (basic operations), ACLs
DNS/DHCP fundamentals

Hands-on experience with VMware NSX (T or V) at L1/L2 operational level.
Exposure to firewalls, load balancers (F5/AVI), and network troubleshooting tools (Wireshark, traceroute, tcpdump).
Familiarity with ITSM platforms (Remedy).

Preferred Certifications (Optional)

ITIL Foundation (preferred for Incident & Problem Management)
Certifications such as CCNA, CCNP (associate level), VCP-NV.

Additional Requirements

Be a Part of the UOB Family

UOB is an equal opportunity employer. UOB does not discriminate on the basis of a candidate's age, race, gender, color, religion, sexual orientation, physical or mental disability, or other non-merit factors. All employment decisions at UOB are based on business needs, job requirements and qualifications. If you require any assistance or accommodations to be made for the recruitment process, please inform us when you submit your online application.

Apply now and make a Difference

Mgr Network Support Engineer (Production Support), GIPS