We are seeking an experienced AIX Administrator with 5 to 10 years of expertise in managing IBM AIX environments, IBM Power Systems, virtualization, storage, high availability, and enterprise infrastructure operations.

The ideal candidate will be responsible for administration, performance tuning, automation, security, backup and recovery, and support of mission-critical AIX environments.

The role requires strong hands-on experience with IBM Power Systems, PowerHA, VIOS, storage management, and ITIL-based operational support.

Key Responsibilities :

- Install, configure, administer, and maintain IBM AIX environments across physical and virtual infrastructures.

- Perform system upgrades, patching, fix pack installations, and operating system maintenance using NIM.

- Manage Logical Volume Manager (LVM), file systems, storage provisioning, and capacity planning activities.

- Administer IBM Power Systems, LPARs, HMC, VIOS, and PowerVM virtualization environments.

- Configure and manage SAN/NAS storage, MPIO, disk provisioning, and enterprise storage integrations.

- Monitor and optimize system performance, availability, and resource utilization across CPU, memory, storage, and network layers.

- Configure and troubleshoot TCP/IP networking, DNS, NFS, LDAP, VLANs, virtual Ethernet adapters, and related infrastructure services.

- Implement and support High Availability solutions using IBM PowerHA (HACMP), including failover testing, cluster administration, and disaster recovery planning.

- Manage system security, user administration, access controls, auditing, compliance requirements, and security hardening activities.

- Administer backup and recovery solutions using IBM Spectrum Protect (TSM), mksysb, savevg, and disaster recovery procedures.

- Develop and maintain automation scripts using Shell Scripting (KSH/BASH) and configuration management tools such as Ansible.

- Support monitoring, alerting, incident management, problem management, and root cause analysis activities.

- Work closely with infrastructure, storage, network, security, and application teams to ensure operational excellence.

- Maintain technical documentation, SOPs, runbooks, and operational procedures.

- Participate in change management activities and support ITIL-based service delivery processes.

Required Skills & Experience :

- 5 to 10 years of experience as an AIX Administrator or Unix Infrastructure Administrator.

- Strong hands-on expertise with IBM AIX 6.1, 7.1, 7.2, and 7.3 environments.

- Extensive experience with IBM Power Systems (Power 7, Power 8, Power 9, and Power 10).

- Strong knowledge of HMC, LPAR management, VIOS, and PowerVM virtualization.

- Experience with NIM, system patching, upgrades, and operating system lifecycle management.

- Expertise in AIX LVM, JFS/JFS2 file systems, storage management, and capacity planning.

- Strong experience with SAN/NAS environments, MPIO, storage provisioning, and enterprise storage platforms.

- Hands-on experience with PowerHA (HACMP) clustering and disaster recovery implementations.

- Strong networking knowledge including TCP/IP, DNS, NFS, LDAP, VLANs, routing, and network troubleshooting.

- Experience with system performance tuning using tools such as topas, nmon, vmstat, iostat, sar, errpt, and alog.

- Expertise in backup and recovery using IBM Spectrum Protect (TSM), mksysb, savevg, and system recovery procedures.

- Strong experience with Shell Scripting (KSH/BASH) and automation frameworks.

- Exposure to Ansible for configuration management and deployment automation.

- Experience with monitoring tools such as IBM Tivoli, Nagios, Zabbix, SolarWinds, or equivalent.

- Strong understanding of security hardening, PAM, LDAP integration, SSH, sudo, auditing, and compliance frameworks.

- Familiarity with SOX, PCI-DSS, HIPAA, and enterprise security standards.

- Experience working within ITIL processes including Incident, Problem, Change, and Release Management.

- Hands-on experience with ServiceNow, Remedy, JIRA, or similar service management platforms.

- Strong analytical, troubleshooting, documentation, and communication skills.