System Administrator DevOps

• Manage and maintain Linux-based production servers supporting telco/VAS platforms • Ensure system availability, stability, and performance in line with SLA (≥99.9%) • Handle high transaction volumes and traffic spikes in production environments • Monitor system performance, logs, and infrastructure health • Perform troubleshooting, incident response, and root cause analysis • Manage and optimize Docker-based services • Operate container orchestration platforms such as Kubernetes or Docker Swarm • Collaborate with developers on system deployment and CI/CD processes • Implement system security measures and anomaly monitoring • Prepare technical documentation and incident reports • Participate in on-call support for critical system incidents • Administered and maintained the Elasticsearch Stack (ELK) including Elasticsearch, Kibana, Logstash, Fluent-bit, Filebeat, Metricbeat, Heartbeat, Elastic APM, and Kibana Machine Learning (Mandatory). • Performed Elasticsearch cluster maintenance, including index lifecycle management (ILM), replica tuning, shard relocation, and storage optimization. Qualifications Job Responsibilities • Manage and maintain Linux-based production servers supporting telco/VAS platforms • Ensure system availability, stability, and performance in line with SLA (≥99.9%) • Handle high transaction volumes and traffic spikes in production environments • Monitor system performance, logs, and infrastructure health • Perform troubleshooting, incident response, and root cause analysis • Manage and optimize Docker-based services • Operate container orchestration platforms such as Kubernetes or Docker Swarm • Collaborate with developers on system deployment and CI/CD processes • Implement system security measures and anomaly monitoring • Prepare technical documentation and incident reports • Participate in on-call support for critical system incidents • Administered and maintained the Elasticsearch Stack (ELK) including Elasticsearch, Kibana, Logstash, Fluent-bit, Filebeat, Metricbeat, Heartbeat, Elastic APM, and Kibana Machine Learning (Mandatory). • Performed Elasticsearch cluster maintenance, including index lifecycle management (ILM), replica tuning, shard relocation, and storage optimization. Job Requirements • Bachelor’s degree in Information Technology, Computer Science, or related field • Minimum 5–8 years of experience as a System Administrator • Strong experience managing Linux production servers (Ubuntu / CentOS / Debian) • Experience working with high-traffic or production-critical systems • Hands-on experience with Docker containerization (mandatory) • Experience with Kubernetes or Docker Swarm • Good understanding of networking concepts, system architecture, and API integration • Experience using monitoring and logging tools such as Grafana, Prometheus, Elasticsearch Stack (ELK) including Elasticsearch, Kibana, Logstash, Fluent-bit, Filebeat, Metricbeat, Heartbeat, Elastic APM, and Kibana Machine Learning (a must). • Experience handling incident management and performance optimization and elasticsearch cluster maintenance, including index lifecycle management (ILM), replica tuning, shard relocation, and storage optimization. • Willing to participate in 24/7 on-call rotation for critical incidents Preferred Background Candidates with experience in the following industries are highly preferred: • Telecommunication companies • VAS (Value Added Services) • Content Provider / SMS Gateway companies • High traffic digital platforms Experience supporting platforms such as: • SMS Gateway / Messaging Platforms • OTP or Authentication Systems • Telco API services