Job Summary Lead the administration monitoring and performance tuning of Oracle Linux environments with a focus on platform architecture automation and reliability engineering Job Description • Lead the administration, monitoring, and performance tuning of Oracle Enterprise Linux (OEL) environments in a large-scale enterprise ecosystem. • Oversee the design, build, and lifecycle management of Linux servers, including storage, virtualization, and associated infrastructure. • Manage high availability (HA) configurations, clustering, and load-balanced environments to ensure minimal downtime. • Drive capacity planning, performance optimization, and system scalability initiatives. • Define and implement Site Reliability Engineering (SRE) principles, including SLIs, SLOs, and error budgets. • Lead infrastructure automation initiatives using tools such as Ansible and Azure DevOps. • Build and maintain self-healing systems to reduce manual intervention and improve system resilience. • Develop automation for system installation, configuration, and deployment pipelines. • Install, configure, and maintain Oracle Enterprise Linux operating systems and related software stacks. • Manage Logical Volume Manager (LVM) configurations, including volume groups and filesystem expansion. • Administer distributed file systems, NFS servers/clients, and automount configurations. • Maintain network services such as DNS, NTP, LDAP/Kerberos, SMTP, and OpenSSH. • Troubleshoot and support network protocols, including TCP/IP, HTTP, HTTPS, and RPC. • Implement and enhance monitoring and observability frameworks for proactive issue detection. • Lead incident response, root cause analysis (RCA), and postmortem reviews. • Drive continuous improvement by identifying systemic issues and implementing preventive solutions. • Ensure systems are secure, hardened, and compliant with enterprise security standards. • Manage patching, vulnerability remediation, and OS upgrades. • Partner with security teams to implement best practices for access control, auditing, and encryption. • Provide technical leadership and mentorship to SRE and infrastructure teams. • Collaborate with application, DevOps, and platform teams to improve system reliability and deployment processes. • Define and enforce operational standards, runbooks, and best practices. • Drive cross-functional initiatives to enhance platform stability and efficiency. • Maintain comprehensive documentation for architecture, processes, and operational procedures. • Ensure adherence to change management and incident governance frameworks. • Standardize operational workflows across environments. • Utilize strong Bash/Shell scripting skills for automation and troubleshooting. Roles and Responsibilities • Lead platform architecture and implementation efforts for Oracle Linux environments. • Administer and optimize Oracle Linux systems with a focus on reliability and performance. • Implement automation and configuration management using Azure DevOps and Ansible. • Develop and maintain scripts using Bash/Shell to automate routine tasks and deployments. • Manage high availability setups, clustering, and load balancing to ensure system uptime. • Monitor system health and respond promptly to incidents, performing root cause analysis. • Collaborate with cross-functional teams to enhance system reliability and deployment pipelines. • Ensure compliance with security standards and participate in vulnerability management. • Mentor and guide junior engineers on best practices and operational procedures. • Document system architecture, processes, and incident reports to maintain knowledge base.