6 months Contract
Good to have banking exposure
Role Overview
Hands-on
UNIX L3 Administrator
with strong expertise in IBM AIX, Linux infrastructure administration, complex troubleshooting, server migrations, automation, virtualization, and high-availability environments.
The candidate must be a
technically strong, independent L3 engineer
, capable of managing critical production incidents, executing complex UNIX migrations end-to-end, troubleshooting infrastructure failures, and driving automation and reliability improvements with minimal supervision.
Key Responsibilities
Provide L3 support for enterprise UNIX platforms, including
IBM AIX and Red Hat Enterprise Linux (RHEL)
.
Perform UNIX server migrations, OS upgrades, hardware refresh, data center migrations, and technology modernization.
Administer
IBM PowerVM, LPAR, VIOS, HMC, NPIV, and SEA
.
Manage
AIX Live Partition Mobility (LPM), NIM, mksysb, alt_disk_copy
, and system recovery.
Configure and troubleshoot
PowerHA, clustering, failover, and disaster recovery
.
Manage SAN storage, LVM, JFS2, XFS, NFS, multipathing, and file system migrations.
Perform advanced troubleshooting, performance tuning, capacity management, and root-cause analysis.
Develop automation scripts using
Shell, KSH, Bash, Python, and Ansible
.
Handle OS patching, vulnerability remediation, security hardening, and production change management.
Prepare migration runbooks, rollback plans, technical documentation, and post-migration validation.
Mandatory Technical Skills
Strong hands-on experience in
IBM AIX / UNIX L3 administration
.
Hands-on UNIX migration experience, advanced troubleshooting, and strong AIX/PowerVM technical expertise are mandatory.
Proven experience in
UNIX server migration, OS upgrades, and technology refresh
.
Advanced knowledge of
PowerVM, VIOS, LPAR, HMC, NIM, and PowerHA
.
Strong understanding of
SAN, LVM, storage migration, clustering, and disaster recovery
.
Proficiency in troubleshooting tools:
nmon, topas, vmstat, iostat, sar, errpt, and tcpdump
.
Strong scripting capabilities in
Shell/Bash/KSH, Python, and Ansible
.
Experience with
ServiceNow, Splunk, Dynatrace, Nagios, IBM Storage Protect, or Veritas NetBackup
.
Strong knowledge of ITIL incident, problem, and change management.
Preferred Skills
IBM Power hardware migration (POWER8/9/10).
Red Hat Enterprise Linux administration and Veritas Cluster Server.
Experience with Git, Jenkins, Terraform, and enterprise automation.
Prior experience supporting mission-critical banking infrastructure
ICON OUTSOURCING