Senior Cisco ACI Network Architect – Data Center

ALTIN SOFTWARE PTE. LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

ALTIN SOFTWARE PTE. LTD. seeks a Senior Network Engineer to lead Cisco ACI-based data centre solutions, architecture, and security integrations in a large enterprise environment.

You will design, implement, migrate, and troubleshoot ACI fabrics, with hands-on execution and production readiness at the core of your work. Offer requires coordinating with security, cloud, and application teams, delivering reliable network services, and providing technical leadership across projects and operations.

Qualifications

• 10+ years in enterprise networking with hands-on Cisco ACI design, implementation and troubleshooting in data centre environments.
• Strong expertise in data centre networking, routing and switching, and fabric architectures.

Responsibilities

• Design and Delivery: Lead the design and delivery of Cisco ACI-based data centre solutions, including fabric architecture, policy design, and integration with enterprise network services.
• Implementation and Migration: Deliver hands-on ACI implementations, migrations, and production changes with strong planning, testing, and execution discipline.
• Troubleshooting and Operations: Resolve complex ACI and data centre network issues, support production stability, and drive ongoing optimization across the environment.
• Stakeholder Collaboration: Work closely with security, server, cloud, virtualization, and application teams to deliver resilient, secure, and supportable network solutions.
• Technical Leadership: Serve as the ACI subject matter expert, providing design guidance, root cause analysis, and support to project and operations teams.

Skills

Cisco ACI Design

ACI Fabric Design

Data Centre Networking

Troubleshooting

Routing & Switching

VXLAN/BGP/OSPF

Cloud Networking

Network Automation

Virtualization

Security Technologies

Network Monitoring

Data Center Architecture

Load Balancers

Cross‑team Collaboration

Policy Design

Tools

Ansible

Python Scripting

Terraform

SolarWinds

Netscout

Wireshark

F5 GTM/LTM

Citrix ADC

Job description

ALTIN SOFTWARE PTE. LTD. seeks a Senior Network Engineer to lead Cisco ACI-based data centre solutions, architecture, and security integrations in a large enterprise environment.

You will design, implement, migrate, and troubleshoot ACI fabrics, with hands-on execution and production readiness at the core of your work. Offer requires coordinating with security, cloud, and application teams, delivering reliable network services, and providing technical leadership across projects and operations.