Senior System Engineer (Linux / OpenStack)

This role exists to modernize MoMo's infrastructure by leading the migration of our virtualization platform to OpenStack and operating it at scale, in order to give millions of users a reliable, secure and cost-efficient foundation to transact on around the clock.

Mô tả công việc

• Cloud Migration Leadership: Plan and lead the end-to-end migration of the existing virtualization platform to OpenStack so the organization runs on a unified, scalable private cloud.
• OpenStack Architecture & Design: Design and build the OpenStack architecture (compute, storage, networking) so new services deploy on a standardized, highly available and scalable platform.
• Server Operations & Stability: Operate and maintain Linux servers and the OpenStack environment to keep production systems highly available and running smoothly.
• Monitoring & Incident Response: Own monitoring across servers, applications, hardware and networks so incidents are detected early and resolved fast, minimizing user impact.
• Security & Compliance : Harden and protect systems and networks to safeguard against threats and keep the environment compliant with security standards.
• Performance, Automation & Continuous Improvement : Automate provisioning and optimize infrastructure to reduce recurring incidents, cut operating cost and steadily improve system performance.
• Technical Mentorship : Guide junior engineers and set operational standards so the team scales its capability alongside the platform.

Yêu cầu công việc

Knowledge / Skills

• Proven experience deploying and operating OpenStack in production, including compute, storage and networking components.
• Deep Linux system administration, with a track record managing a large fleet of servers and applications at scale.
• Strong grasp of storage and infrastructure (SAN, HCI) and TCP/IP networking.
• Solid experience deploying and operating the web tech stack (Nginx, Haproxy, PHP, Java, Redis/Memcached, MySQL/Postgres, RabbitMQ, Oracle).
• Strong automation skills with at least one scripting language (Bash/Python/Lua) and infrastructure-as-code practices.

Working Style & Personality

• Strong ownership and accountability for any system incident, end to end.
• Able to lead complex migrations and make sound architecture decisions under real constraints.
• Fast learner who adapts to day-to-day changes in business and technology.
• Problem-solving mindset and collaborative team player who can mentor others.

Education & Experience

• Bachelor's in Computer Science or comparable practical experience.
• 5+ years operating Linux servers at scale, with hands-on OpenStack deployment/operation experience.
• Plus (not required): experience with public cloud such as AWS or Google Cloud, and large-scale platform migration projects.