DevOps Engineer

Opennet Limited โ€” Taiwan ยท Posted ~3 weeks ago

Skills

DevOps AWS cloud architecture cloud security microservices CI/CD infrastructure as code production deployments security engineering EKS Kubernetes SIEM

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Summary

Join a hands-on DevOps and security engineering team responsible for protecting a high-traffic, multi-country consumer platform. You will build security detections, guardrails, and access controls as code while also managing CI/CD pipelines, infrastructure as code, and production deployments across large-scale AWS microservices environments.

Highlights

Own the security posture of a high-traffic, multi-country platform while combining hands-on security engineering with DevOps responsibilities. Work at substantial cloud scale across many Kubernetes clusters and nodes.

Description

About The Role You will own the security posture of a high-traffic, multi-country consumer platform from the internet edge inward. This is a hands-on engineering role, not an advisory one: detections, guardrails, and access controls all ship as code through the same review-and-deploy path as everything else. Alongside that, you'll pick up day-to-day DevOps work: CI/CD pipelines, infrastructure-as-code, and production deployments. The scale you'd be working at Dozens of EKS clusters and roughly 2,600+ nodes. Infrastructure partitioned per country across multiple African markets, each with its own regulatory surface. An in-house SIEM and bunch of security related detections. If You Are a self-driven DevOps Engineer with proven experience in large-scale micro-service systems hosted on AWS. Have a deep understanding of cloud architecture, AWS technologies and cloud security best practices. Follow the latest industry trends and are passionate about cloud computing and cybersecurity for large-scale systems Key Responsibilities Platform and Delivery Work in a team of DevOps and DBA professionals.Improve existing infrastructure and CI/CD procedure.Holistically improve all aspects of our infrastructure: reducing cost, improving build and deployment times, streamlining environment provisioning, lowering load times, and incorporating new techniques and technologies.Take ownership of our cloud operations, including multi-account governance which account a resource belongs in, and how accounts reach each other safely.Help reconfigure existing architecture to allow rapid deployment to new countries. Edge & network security: Own the edge protection layer. Own network segmentation and exposure control: what is reachable from the internet, from the VPN, and from inside the cluster. Own DNS and egress control: resolver query logging and DNS firewalling to detect and block command-and-control and data-exfiltration paths. Detection & response: Own cloud security posture management, plus runtime and host detection. Detection engineering and security monitoring design. Security incident response. Contribute to the team's incident reporting cadence. Identity, Access & secrets: Drive least-privilege across AWS IAM, SSO permission sets and Kubernetes RBAC Contribute to our zero-trust internal-access program. Own the secrets lifecycle. Vulnerability & compliance: Own vulnerability and patch management. Liaise with external security agencies for annual audits, and run our own internal security sweeps. Treat compliance and audit as engineering work. Our Stack Application Backend Framework: Spring Boot (Java Config + Embedded Tomcat)Frontend Framework: VueJSMicro Service Framework: Spring Cloud (Netflix Eureka + Ribbon + Feign)Distributed Scheduling: Elastic Job