Senior Network Engineer (Data Centre) – CCIE

Millennium Technology Services Co.; Singapore; On-site; SGD 180,000 - 260,000; Full time

Job summary

Millennium Technology Services Co. is seeking an accomplished Network Architect with 15+ years in customer-facing roles within telecom/IT. You will design data centre architectures (spine-leaf, VXLAN/EVPN), lead L2/L3 design, and guide modernization and cloud integration.

You will ensure MAS TRM compliance and drive regional infrastructure initiatives across data centres and SD-WAN. You will collaborate with architecture, cybersecurity, cloud, and application teams; mentor engineers; and engage

Qualifications

• : Minimum 15+ years of experience in customer-facing roles within telecom/IT or related industries.
• : Strong architecture, consulting, and delivery background across network, security, and cloud domains.
• : Familiarity with MAS TRM and financial-sector cybersecurity standards.

Responsibilities

• Design and implement data centre network architectures including spine-leaf, VXLAN, EVPN, and multi-tier environments.
• Lead L2/L3 network design aligned with industry best practices and MAS/TRM regulatory requirements.
• Provide architectural guidance for data centre modernization, cloud integration, and network refresh projects.
• Manage daily operations of the data centre network covering routing, switching, load balancing, and security components.
• Perform advanced troubleshooting across complex, multi-vendor environments.
• Conduct capacity planning, performance tuning, and continuous optimization of network infrastructure.
• Ensure high network resilience through redundancy, fault-tolerance, and disaster recovery readiness.
• Implement network security best practices such as segmentation, access controls, IPS/IDS, and zero-trust configurations.
• Lead regional infrastructure initiatives including data centre upgrades, migrations, cloud connectivity, and SD-WAN rollouts.
• Collaborate with architecture, cybersecurity, cloud, and application teams for seamless project delivery.
• Work with vendors, telcos, and service providers on solution design, implementation, and issue resolution.

Skills

Leadership

Communication

Troubleshooting

Education

Bachelor's degree in Computer Science or Engineering

CCIE certification (active or suspended within 2 years)

Tools

Cisco solutions

VMware solutions

Aruba solutions

Job description

Key Responsibilities

• Design and implement data centre network architectures including spine-leaf, VXLAN, EVPN, and multi-tier environments.


• Lead L2/L3 network design aligned with industry best practices and MAS/TRM regulatory requirements.


• Provide architectural guidance for data centre modernization, cloud integration, and network refresh projects.

Operations & Engineering

• Manage daily operations of the data centre network covering routing, switching, load balancing, and security components.


• Perform advanced troubleshooting across complex, multi-vendor environments.


• Conduct capacity planning, performance tuning, and continuous optimization of network infrastructure.


• Ensure high network resilience through redundancy, fault-tolerance, and disaster recovery readiness.

Security & Compliance

• Implement network security best practices such as segmentation, access controls, IPS/IDS, and zero-trust-aligned configurations.


• Ensure compliance with MAS TRM, internal audit requirements, and financial-sector cybersecurity standards.


• Support audit activities and remediate network vulnerabilities.

Project Delivery & Stakeholder Engagement

• Lead regional infrastructure initiatives including data centre upgrades, migrations, cloud connectivity, and SD-WAN rollouts.


• Collaborate closely with architecture, cybersecurity, cloud, and application teams for seamless project delivery.


• Work with vendors, telcos, and service providers on solution design, implementation, and issue resolution.

Skills/Experience:

Technical Skills

• CCIE (Routing & Switching, Enterprise Infrastructure, or Data Center) required, or equivalent expert-level capability.

Routing:

• BGP


• OSPF


• EIGRP


• IS-IS

Switching:

• VLAN


• STP


• VPC/vPC


• FabricPath


• LACP

Data Centre:

• VXLAN


• EVPN


• Spine-Leaf


• MPLS

Load Balancers:

Firewalls:

SD-WAN:

• Cisco, VMware, Aruba solutions

Soft Skills

• Strong problem-solving skills in high-availability and regulated environments.


• Excellent communication, documentation, and stakeholder management capabilities.


• Ability to work independently and mentor junior engineers.

Experience

Minimum 15+ years of experience in customer-facing roles within telecom, IT, or related industries.

Strong background in architecture, consulting, and delivery of solutions across:

Network

Security

Infrastructure

Cloud

Experience supporting end-to-end customer engagements, including assessment, design, governance, and implementation oversight.

Education & Certifications

Bachelor's degree in Computer Science, Engineering, or related field.

CCIE certification (active or suspended within 2 years).

8-12 years of enterprise networking experience, with at least 3-5 years in data centre engineering or architecture.

Career opportunity