Site Reliability Engineer

Paradigm Global Consulting is seeking an experienced Site Reliability Engineer – OpenSearch to ensure the availability, scalability, performance, and reliability of mission-critical cloud services. The role involves designing, deploying, and operating OpenSearch clusters on Kubernetes, collaborating with engineering teams, and automating operational processes.

Responsibilities:

• Design, build, deploy, and maintain highly available OpenSearch clusters from the ground up
• Provision, operate, monitor, and support cloud services in a globally distributed environment
• Optimize OpenSearch for scalability, resiliency, security, and performance
• Monitor cluster health, indexing throughput, search latency, shard allocation, replication, and storage utilization
• Troubleshoot infrastructure, platform, and application-level production issues
• Perform incident response, root cause analysis (RCA), and implement preventive improvements
• Support installation, configuration, upgrades, patching, backup, restore, and disaster recovery activities
• Develop operational runbooks, monitoring policies, and alerting standards
• Automate deployment, testing, scaling, recovery, and operational workflows
• Perform capacity planning across compute, storage, memory, and networking resources
• Collaborate with engineering teams to improve platform reliability and operational readiness
• Support log ingestion pipelines, index lifecycle management, retention policies, and search optimization
• Participate in an on-call rotation and provide after-hours or weekend support when required

Requirements:

• 8+ years of Site Reliability Engineering, DevOps, or Cloud Operations experience
• Expert-level experience with Kubernetes, including administration, troubleshooting, and operation
• Mandatory: Hands-on experience designing, deploying, and supporting OpenSearch clusters on Kubernetes from scratch in production
• Strong OpenSearch administration, architecture, performance tuning, scaling, upgrades, and troubleshooting
• Experience with: Index design, Shard and replica strategy, Cluster sizing, Node management, Snapshot & restore, Backup and disaster recovery
• Strong understanding of distributed systems and high-availability architectures
• Expertise with Git
• Experience building and troubleshooting Concourse CI/CD pipelines
• Strong Linux administration skills (SUSE and Ubuntu)
• Experience with Kafka, Zookeeper, and Big Data technologies
• Experience automating deployment, testing, scaling, and cloud operations
• Experience implementing cloud monitoring and observability solutions
• Strong knowledge of: Cloud infrastructure, Databases, Networking, Virtualization, Web services, Internet protocols
• Understanding of SaaS multi-tenant security principles
• Excellent communication, collaboration, and problem-solving skills
• AWS experience with: EC2, S3, CloudWatch, Route 53, IAM, DynamoDB, RDS, ACM, KMS, VPC
• Experience deploying and managing OpenSearch in AWS environments
• Experience with Cloud Foundry
• Experience using Terraform, Jenkins, and/or Chef
• Knowledge of IP networking and application stack troubleshooting
• Experience with Prometheus and Grafana
• Experience with: Log ingestion pipelines, Index lifecycle management, Retention strategies, Search platform security
• Familiarity with capacity forecasting, resilience testing, and performance benchmarking