Senior Engineer, Network & Telephony

RHB Bank Berhad (Singapore); Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

RHB Bank Berhad (Singapore) is seeking a Senior Network Engineer with 5–8 years of enterprise networking experience. The role focuses on designing, implementing and maintaining LAN/WAN/WLAN and data center networks, with hands-on work on Cisco/Huawei devices, CUCM, and F5 BIG-IP.

The ideal candidate will monitor performance, ensure high availability, and drive infrastructure improvements. Expertise in routing protocols, UC integration, and load balancing will be essential for success.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Telecommunications, or related field.
• 5–8 years of hands-on enterprise network engineering experience.
• Strong experience with Cisco and Huawei routing & switching, CUCM, and F5 BIG-IP.

Responsibilities

• Design, implement, maintain, and support enterprise LAN, WAN, WLAN, and Data Center networks.
• Configure and troubleshoot Cisco/Huawei devices including routers, switches, and wireless infra.
• Monitor performance and ensure high availability and reliability of network services.
• Plan capacity upgrades and technology refresh activities.

Skills

Cisco routing & switching

Huawei routing & switching

CUCM

F5 BIG-IP

TCP/IP/DNS/DHCP/NAT

QoS

Network monitoring

Troubleshooting

Voice & UC

Education

Bachelor's degree

Tools

SolarWinds

PRTG

Wireshark

Cisco DNA Center

F5 BIG-IP

Job description

Job Description: Senior Network Engineer (5-8 Years Experience)

Position Title: Senior Network Engineer

Location: Singapore

Employment Type: Full-Time

Job Summary

We are seeking a highly skilled Senior Network Engineer with 5 to 8 years of experience in enterprise network infrastructure design, implementation, and support. The ideal candidate will possess strong expertise in Cisco and Huawei networking technologies, Cisco Unified Communications Manager (CUCM), F5 Load Balancers, and enterprise-grade routing and switching environments. The candidate will play a key role in maintaining network availability, performance optimization, troubleshooting, and driving infrastructure improvement initiatives.

Key Responsibilities

• Network Infrastructure Management Design, implement, maintain, and support enterprise LAN, WAN, WLAN, and Data Center networks.
• Configure and troubleshoot Cisco and Huawei network devices, including routers, switches, and wireless infrastructure.
• Monitor network performance and ensure high availability and reliability of network services.
• Perform network capacity planning, upgrades, and technology refresh activities.

Routing & Switching

• Configure and manage Layer 2 and Layer 3 network services.
• Implement and troubleshoot routing protocols such as: OSPF BGP EIGRP Static Routing Configure VLANs, STP, EtherChannel, HSRP/VRRP, and network redundancy solutions.
• Conduct root cause analysis for network incidents and performance issues.

Cisco Unified Communications (CUCM)

• Administer and support Cisco Unified Communications Manager (CUCM).
• Manage IP Telephony infrastructure, SIP trunks, voice gateways, and call routing.
• Troubleshoot voice quality issues, call failures, and telephony-related incidents.
• Support integrations with collaboration and communication platforms.

F5 Load Balancer Administration

• Configure and manage F5 BIG-IP Load Balancers.
• Create and maintain Virtual Servers, Pools, Health Monitors, and SSL profiles.
• Troubleshoot application delivery and load balancing issues.
• Implement high availability and traffic optimization solutions.

Operations & Support

• Provide Level 2/Level 3 support for network and voice infrastructure.
• Participate in incident management, problem management, and change management processes.
• Create and maintain network documentation, diagrams, and operational procedures.
• Work closely with security, infrastructure, and application teams to ensure seamless service delivery.
• Participate in on-call support and maintenance activities as required.

Required Qualifications

• Bachelor's Degree in Computer Science, Information Technology, Telecommunications, or related field.
• 5 to 8 years of hands-on experience in enterprise network engineering.
• Strong experience with: Cisco Routing and Switching Huawei Campus and DC Routing and Switching Cisco Unified Communications Manager (CUCM) F5 BIG-IP Load Balancers Extensive knowledge of TCP/IP, DNS, DHCP, NAT, VPN, and QoS. Experience with network monitoring and troubleshooting tools. Strong analytical and problem-solving skills. Excellent communication and stakeholder management abilities.

Preferred Certifications

• One or more of the following certifications are highly desirable: Cisco CCNP Enterprise Cisco CCNA CCNP Collaboration Huawei HCIP / HCIE F5 Certified BIG-IP Administrator (F5-CA) ITIL Foundation

Technical Skills

• Networking Cisco Catalyst, Nexus, ISR, ASR Huawei Campus and DC Cloud Engine Switches Routing Protocols: OSPF, BGP, EIGRP VLAN, STP, VTP, HSRP, VRRP MPLS, VPN, QoS Voice & Collaboration Cisco CUCM SIP Voice Gateways Cisco IP Phones UCCX (Preferred) Load Balancing F5 BIG-IP LTM SSL Offloading Traffic Management High Availability Configuration Monitoring & Tools SolarWinds PRTG Wireshark Cisco DNAC Network Performance Monitoring Tools

Key Competencies

• Network Troubleshooting Technical Leadership Incident & Problem Management Infrastructure Design Customer Focus Stakeholder Management Documentation & Reporting Team Collaboration

Nice-to-Have Experience

• Nice-to-Have Experience in large enterprise or data center environments.
• Knowledge of network security technologies such as Firewalls, NAC, Cisco ISE.
• Experience with cloud networking ( AWS).
• Exposure to network automation tools such as Python, Ansible, or Cisco DNA Center.

Experience Required:

Experience Required: 5-8 Years Seniority Level: Senior Engineer / Senior Network Engineer

A mantra for our clients, customers, partners and every member of the RHB family. Yes, you. Our employees are one of the reasons we are here today. Dynamic, forward-thinking and progressive, there is a reason why we are an award-winning financial institution. Join us today and be a part of a winning family.

At RHB, we take pride in our people and our teams. Great relationships built on trust, a 'leading it right' environment, challenging assignments and a culture of excellence are the pillars to the dynamic and diversified workplace we call home. As we grow towards realising our aspirations, we promise a workplace built on the five pillars – RHB Cares; RHB Leads; RHB Inspires; RHB Progresses; and RHB Rewards.