Infrastructure Architect

AMBITION GROUP SINGAPORE PTE. LTD.; Singapore; On-site; SGD 180,000 - 300,000; Full time

Job summary

Ambition Group Singapore Pte. Ltd. seeks a highly experienced Infrastructure Architect to lead the design and evolution of complex hybrid and cloud environments.

This is a hands-on architecture role requiring strong AWS, network, compute, storage, DevOps and security expertise. You will drive infrastructure modernisation, cloud adoption, automation and operational resilience, while providing technical leadership across engineering and infrastructure teams.

Qualifications

• 10+ years in IT infrastructure
• 5+ years in cloud architecture and DevOps
• Hands-on architect with governance and security focus

Responsibilities

• Design secure, scalable multi-cloud and hybrid architectures, with strong AWS expertise.
• Lead cloud migration, adoption and infrastructure modernisation initiatives.
• Architect containerised/serverless environments using Docker, Kubernetes, Lambda/Step Functions, and CI/CD pipelines.

Skills

Cloud architecture

AWS

DevOps

Terraform

Kubernetes

Security

Tools

Docker

Kubernetes

Terraform

CloudFormation

Ansible

GitLab

Job description

The Opportunity

We are looking for a highly experienced Infrastructure Architect to lead the design and evolution of complex hybrid and cloud infrastructure environments.This is a hands‑on architecture role suited to someone with strong expertise across AWS, network infrastructure, compute, storage, DevOps, automation and security . You will play a key role in infrastructure modernisation, cloud adoption, automation and operational resilience, while providing technical leadership across engineering and infrastructure teams.

Key Responsibilities

Cloud & Infrastructure Architecture

• Design secure, scalable and highly available multi-cloud and hybrid architectures , with strong AWS expertise.
• Define infrastructure architecture standards, frameworks and best practices across cloud, network, compute, storage and security.
• Lead cloud migration, adoption and infrastructure modernisation initiatives.
• Architect containerised and serverless environments using Docker, Kubernetes/EKS, Lambda and Step Functions.

Network Architecture

• Design and optimise enterprise and cloud networking across VPC, Transit Gateway, Direct Connect, VPN, load balancing, WAF, routing and network segmentation.
• Provide architectural guidance across LAN/WAN, firewalls, DNS, DHCP, IPAM and network security.
• Ensure robust integration between on‑premise and cloud environments.

Compute, Virtualisation & Storage

• Design and oversee enterprise compute platforms including VMware, Hyper‑V, EC2 and bare‑metal infrastructure.
• Develop scalable storage, backup, archival and disaster recovery architectures across SAN/NAS and object storage.
• Drive performance optimisation, capacity planning and infrastructure hardening.

DevOps & Automation

• Lead the design and implementation of CI/CD pipelines , with GitLab preferred.
• Drive infrastructure automation using Terraform, CloudFormation and Ansible.
• Champion DevOps/SRE practices including observability, monitoring, incident management and reliability engineering.
• Automate infrastructure provisioning, configuration and policy enforcement.

Security & Governance

• Embed security controls across cloud and infrastructure environments, including IAM, KMS, encryption, SIEM and security baselines.
• Partner with security teams on Zero Trust, identity governance, compliance and audit readiness.

Technical Leadership

• Act as a senior technical escalation point for complex infrastructure, architecture and production issues.
• Mentor cloud, infrastructure, DevOps and operations engineers.
• Collaborate closely with application, network, security and engineering teams.
• Produce architecture documentation and communicate technical solutions to senior stakeholders.

What We're Looking For

• 10+ years of overall IT infrastructure experience, with 5+ years in cloud architecture and DevOps .
• Strong hands‑on expertise in AWS ; Azure or GCP exposure is advantageous.
• Strong knowledge of enterprise networking, including routing, VPN, firewalls, load balancing, DNS and cloud networking .
• Experience with VMware/virtualisation, enterprise storage, backup and disaster recovery .
• Strong knowledge of Docker, Kubernetes and AWS EKS .
• Experience with CI/CD, GitOps and release automation .
• Strong Infrastructure‑as‑Code experience, particularly Terraform , with CloudFormation or Ansible advantageous.
• Scripting/programming experience with Python, Bash or PowerShell .
• Knowledge of cloud monitoring and observability tools such as CloudWatch, CloudTrail, VPC Flow Logs and OpenTelemetry .
• Strong understanding of cloud security, IAM, KMS, encryption and network security.

Certifications

• AWS Solutions Architect - Professional preferred; Associate certification considered for candidates progressing towards Professional.
• Additional certifications in Azure, GCP, Kubernetes or Cyber Security are advantageous.

Preferred Experience

• Designing and managing hybrid on-premise and cloud environments .
• Designing DR/BCP strategies for mission‑critical systems.
• Leading large‑scale infrastructure modernisation and cloud transformation programmes.
• Experience within financial services or other highly regulated environments .
• Strong stakeholder management, communication and technical presentation skills.