IT Manager (Infrastructure, DevOps & Security) - M'sia&HK (On-site/Hybrid)

Visible One is a Hong Kong digital agency delivering high-impact web, branding, and marketing solutions for corporate, government, education, and NGO clients from all over the world. The IT Manager serves as the owner of the critical technical operations layer underpinning our delivery work. This encompasses hosting environments, cloud platforms, CI/CD pipelines, infrastructure-as-code, and the company's overall security and observability posture. This is a hands-on, single-owner role. The successful candidate is expected to lead the technical support queue, act as the primary incident lead during production outages, and serve as the final technical escalation point. You will be the "voice of infrastructure" in client meetings, solution designs, and proposals.

Key responsibilities

Own the Linux server estate, including control-panel managed shared hosting and unmanaged VPS/dedicated servers

Manage provisioning, runtime/language-version lifecycles, and resource contention/abuse handling in multi-tenant environments

Administer on-premise and colocated virtualization (VM/container lifecycle, storage, and capacity planning)

Operate corporate messaging, collaboration, and telephony services

Maintain office IT hardware, network equipment, and storage appliances

Manage workloads across AWS, Microsoft Azure, and Alibaba Cloud (Compute, DB, Storage, Networking, CDN/WAF)

Act as Cloud Architect: produce architecture diagrams, migration plans, and written proposals for stakeholders

Oversee cloud cost governance, including rightsizing, reserved instances, and billing reviews

Enforce identity hygiene (least-privilege IAM, MFA, and key rotation)

Build and operate Kubernetes clusters (EKS, AKS, ACK) and self-hosted container workloads

About you

5+ years in systems, infrastructure, or DevOps engineering

2+ years at a senior or lead level owning production environments

Proficiency in Linux administration (command-line fluency across major distributions)

Production experience with at least two major clouds (AWS, Azure, Alibaba Cloud, or GCP)

Hands-on experience with Kubernetes and managed services (EKS/AKS/ACK)

Proficiency in Terraform and/or Ansible

Experience with web application operations (PHP/Laravel, Node.js, Next.js) and CMS platforms

Professional English (written and spoken)

Ability to stay methodical and communicative during high-pressure outages

Comfortable being the senior owner of production infrastructure

About us

Visible One is a Hong Kong digital agency delivering high-impact web, branding, and marketing solutions for corporate, government, education, and NGO clients from all over the world.

What can I earn as an Infrastructure Manager