SrAnalystITUNIXTechnologies

KEY RESPONSIBILITIES: § Lead a team of UNIX/Linux system administrators in managing enterprise AIX and RHEL environments. § Define and implement operational standards, best practices, and automation frameworks for system builds, configuration, and maintenance. § Act as the primary technical escalation point for complex UNIX/Linux infrastructure issues. § Collaborate with architecture, storage, network, security, and application teams to deliver integrated infrastructure solutions. § Manage the installation, configuration, patching, and lifecycle management of AIX (Power Systems) and RHEL servers. § Maintain and administer logical partitions (LPARs), volume groups, and filesystems on AIX systems using tools such as HMC, VIOS, and NIM. § Administer Red Hat Satellite for patch management and system provisioning. § Monitor system health, availability, and performance using enterprise tools (e.g., Nagios, Red Hat Insights, BigFix, or similar). § Coordinate and validate OS migrations, upgrades, and hardware refreshes across multiple data centers or cloud environments. § Develop and maintain automation scripts using Bash, Python, or Ansible to streamline provisioning, patching, and configuration. § Implement Infrastructure as Code (IaC) practices where applicable to improve consistency and scalability. § Ensure adherence to corporate and industry security standards (CIS, NIST, SOX, PCI). § Perform regular security patching, system hardening, and vulnerability remediation. § Manage access controls, sudo policies, and identity integration with LDAP/Active Directory. § Participate in security audits and develop corrective action plans as needed. § Drive root cause analysis (RCA) for major incidents and implement preventive measures. § Lead capacity planning, forecasting, and performance tuning efforts. § Maintain comprehensive system documentation and standard operating procedures (SOPs). § Provide after-hours or on-call support for high-priority incidents when required. QUAL