Senior Site Reliability Engineer

About the role

We are looking for a Senior Site Reliability Engineer to join Unifonic’s Production Operations (Live) team. You will own the reliability, uptime and scalability of our core messaging platforms that serve thousands of customers worldwide.

Key responsibilities

• Participate in a 24/7 on‑call rotation, respond to incidents, lead post‑mortem analysis and improve MTTD/MTTR.
• Design, implement and manage infrastructure across AWS, Oracle Cloud Infrastructure and OpenStack.
• Operate and scale Kubernetes clusters (EKS, OKE, Rancher RKE2) and advanced containerization pipelines.
• Maintain high‑performance messaging and caching systems such as Kafka, RabbitMQ and Redis.
• Administer production‑grade MySQL and PostgreSQL databases, ensuring high availability and disaster‑recovery readiness.
• Develop operational playbooks, SLO monitoring, chaos‑testing experiments and capacity‑planning processes.
• Automate repetitive operational tasks to reduce manual intervention.

Required profile

• 5+ years of experience in site reliability, infrastructure engineering or production operations.
• Proven ability to work in a fast‑paced startup environment and handle on‑call duties.
• Strong problem‑solving skills and a data‑driven approach to reliability.

Required skills

• AWS
• Oracle Cloud Infrastructure (OCI)
• OpenStack
• Kubernetes (EKS, OKE, Rancher RKE2)
• Docker
• Kafka
• RabbitMQ
• Redis
• MySQL
• PostgreSQL
• Linux
• Scripting (Bash/Python)

What we offer

• Dynamic, collaborative startup culture recognized as a Great Place to Work®.
• Opportunity to shape the future of communication platforms at scale.
• Access to cutting‑edge technologies and continuous learning.