Site Reliability Engineer - Big Data (7 to 11 years)

About the Role:

This role is responsible for managing and maintaining complex, distributed big data ecosystems. It ensures the reliability, scalability, and security of large-scale production infrastructure. Key responsibilities include automating processes, optimizing workflows, troubleshooting production issues, and driving system improvements across multiple business verticals.

Roles and Responsibilities:

• Manage, maintain, and support incremental changes to Linux/Unix environments.
• Lead on-call rotations and incident responses, conducting root cause analysis and driving postmortem processes.
• Design and implement automation systems for managing big data infrastructure, including provisioning, scaling, upgrades, and patching clusters.
• Troubleshoot and resolve complex production issues while identifying root causes and implementing mitigating strategies.
• Design and review scalable and reliable system architectures.
• Collaborate with teams to optimize overall system performance.
• Enforce security standards across systems and infrastructure.
• Set technical direction, drive standardization, and operate independently.
• Ensure availability, performance, and scalability of systems and services through proactive monitoring, maintenance, and capacity planning.
• Resolve, analyze, and respond to system outages and disruptions and implement measures to prevent similar incidents from recurring.
• Develop tools and scripts to automate operational processes, reducing manual workload, increasing efficiency and improving system resilience.
• Monitor and optimize system performance and resource usage, identify and address bottlenecks, and implement best practices for performance tuning.
• Collaborate with development teams to integrate best practices for reliability, scalability, and performance into the software development lifecycle.
• Stay informed of industry technology trends and innovations, and actively contribute to the organization's technology communities.
• Develop and enforce SRE best practices and principles.
• Align across functional teams on priorities and deliverables.
• Drive automation to enhance operational efficiency.

Skills Required:

• Over 7 years of experience managing and maintaining distributed big data ecosystems.
• Strong expertise in Linux including IP, Iptables, and IPsec.
• Proficiency in scripting/programming with languages like Perl, Golang, or Python.
• Hands-on experience with the Hadoop stack (HDFS, HBase, Airflow, YARN, Ranger, Kafka, Pinot).
• Familiarity with open-source configuration management and deployment tools such as Puppet, Salt, Chef, or Ansible.
• Solid understanding of networking, open-source technologies, and related tools.
• Excellent communication and collaboration skills.
• DevOps tools: Saltstack, Ansible, docker, Git.
• SRE Logging and monitoring tools: ELK stack, Grafana, Prometheus, opentsdb, Open Telemetry.

Good to Have:

• Experience managing infrastructure on public cloud platforms (AWS, Azure, GCP).
• Experience in designing and reviewing system architectures for scalability and reliability.
• Experience with observability tools to visualize and alert on system performance.