Senior DevOps Engineer

About the position

ABOUT US At TOPPAN Security, our mission is to shape a meaningful, technology-driven future by being a global leader in mission-critical identity and payment technologies. We serves as the international development arm of the TOPPAN Group in the security domain founded in 1900. TOPPAN is a trusted Japanese brand renowned for its commitment to exceptional quality. Building on this legacy, we combine bold ideas, deep sector expertise, and collaborative intelligence to deliver secure, future-ready solutions. Our culture is grounded in four core values: Agility , Ownership , Resilience , and a Sense of Fun . We move fast, lead with accountability, grow through challenges, and bring positive energy into everything we do. Join us in Hong Kong and be part of a global, collaborative team where trust and innovation drive everything we do. ABOUT THE ROLE We are seeking an experienced and forward-thinking Senior DevOps Engineer to lead our DevOps team and drive infrastructure strategy across cloud and on-premises environments. The ideal candidate combines deep technical expertise with strong leadership capabilities, able to mentor engineers, manage stakeholders, and plan large-scale infrastructure projects from conception to delivery. Main missions: Lead, mentor, and manage the DevOps engineering team, setting technical direction, conducting performance reviews, and fostering a culture of continuous improvement. Plan, design, and oversee large-scale infrastructure projects spanning cloud (AWS, Azure) and on-premises environments, from initial scoping and architecture through to delivery and operations. Define and implement infrastructure roadmaps aligned with business goals, including capacity planning, cost optimisation, and disaster recovery strategies. Architect, manage, and maintain production and non-production Kubernetes clusters using Rancher at enterprise scale. Design, build, and optimise CI/CD pipelines for C#/.NET, Flutter, Java (Spring Boot, Quarkus) and other application stacks. Create, maintain, and govern Helm Charts and deployment standards for Kubernetes applications across all environments. Oversee and govern release cycles across Dev, SIT, UAT, and Production, ensuring stability and compliance. Lead the implementation of monitoring, logging, alerting, and observability solutions (e.g., Prometheus, Grafana, ELK Stack) to ensure high system availability. Drive Infrastructure as Code (IaC) standards and best practices using Terraform, Ansible, or equivalent tools across the organisation. Collaborate with senior leadership, architects, and development teams to align infrastructure decisions with product and business strategy. Manage and deploy middleware services including RabbitMQ, Redis, and PostgreSQL at scale. Embed DevSecOps principles into team workflows, ensuring security and compliance are integrated at every stage of the delivery pipeline. ABOUT YOU You are/have: 7+ years of experience in DevOps, infrastructure, or systems engineering, including experience in a senior or team lead capacity Proven ability to lead, mentor, and develop DevOps teams, manage workloads, and drive performance Strong experience designing and delivering complex infrastructure projects across cloud and on-premises environments, with solid planning and stakeholder management skills Solid understanding of hybrid architectures, networking, and security (VPNs, firewalls, load balancing) Deep hands-on expertise with Kubernetes (K8s) and Rancher for cluster administration and multi-environment management Strong experience with cloud platforms (AWS, Azure, or GCP), including compute, storage, networking, and managed services Strong Infrastructure as Code (IaC) expertise (Terraform and/or Ansible), with experience promoting and enforcing IaC best practices Advanced experience with CI/CD pipelines and enterprise toolchains (e.g. Jenkins, Bitbucket CI, AWS DevOps) Strong scripting skills (Bash and/or Python) for automation and operational tooling Experience with Helm Charts and complex multi-service deployments Hands-on experience with production systems such as RabbitMQ, Redis, and PostgreSQL Familiarity with deployment pipelines for modern application stacks (e.g. .NET, Flutter, Java) Strong knowledge of DevSecOps practices, including vulnerability management, secrets handling, and compliance-driven pipelines Solid experience with Git, branching strategies, and GitOps practices Experience with high availability, disaster recovery, and system resilience planning Strong problem-solving, analytical, and troubleshooting skills across infrastructure layers Excellent communication skills, with the ability to explain complex technical concepts to diverse stakeholders Strong organizational and prioritization skills, with the ability to operate effectively in a fast-paced environment Strategic mindset, balancing short-term delivery with long-term infrastructure vision Bachelor’s degree in Computer Science, Engineering, or a related field is preferred Relevant certifications (e.g. AWS, Azure, Kubernetes) are a plus TOPPAN is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, gender, sexual orientation, age, color, religion, national origin, veteran status, or disability.

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