Sr. DevOps Engineer

APJ Hong Kong (www.apjcorp.com.hk) provides high quality software development, maintenance, and testing services using cost-effective service centers with highly qualified IT professionals.
Job Summary
As a Senior DevSecOps Engineer, you will be responsible for infrastructure automation, CI/CD pipelines and cloud/hybrid architecture to ensure our platforms run seamlessly at scale. You will help improve security standards, collaborate with development teams to optimize deployment processes and system reliability, and apply lean and agile thinking to solve tough problems.
Responsibilities
Design, build, and maintain scalable CI/CD pipelines using tools such as Jenkins, GitLab CI, or GitHub Actions.
Manage cloud infrastructure and on‑prem DevOps environments using Infrastructure as Code (IaC) tools such as Terraform or CloudFormation.
Implement and optimize container orchestration with Kubernetes, Docker, and Helm for microservices deployments.
Monitor system performance, reliability, and security using Prometheus, Grafana, PromQL or APM tools; set up alerting and incident response workflows.
Lead root‑cause analysis for production incidents and implement proactive reliability engineering.
Collaborate with cross‑functional teams to enhance deployment velocity and reduce downtime.
Engineer and maintain a self‑service application delivery environment for developers through automation, virtualization, and process improvement.
Act as a bridge between operations and development teams.
Support knowledge transfer by mentoring others.
Qualifications
Bachelor’s degree in Computer Science, Information Technology, or a related technical field.
Minimum 10 years of hands‑on DevSecOps experience designing, managing, and optimizing complex multi‑tier architectures; scripting; source code version control; configuration management; continuous build, integration, and deployment; system administration; containerization; cloud orchestration; monitoring; and security.
Strong experience with CI/CD tools, GitLab CI, ArgoCD, IaC, Terraform, Helm, Kubernetes, and Docker.
Hands‑on expertise with major cloud providers (AWS/Alibaba/Azure) in networking (VPC/VPN), computing (EKS/MKS/RDS/EC2/Lambda) and security (WAF).
Proficiency in scripting languages such as Python, Bash, Go, or Ansible.
Experience conducting code reviews, penetration testing coordination, and risk assessments to mitigate vulnerabilities proactively.
Experience working in a product‑oriented, team‑based environment that uses modern digital delivery approaches such as user experience design, lean, agile, DevSecOps, and cloud computing.
Desirable: experience with mobile application and web service development.
Experience serving as a coach and mentor to other engineers is an advantage.
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