Job Description – AIX L3 System Administrator
About Us
Ensono is a hybrid IT services provider that sees a world in transformation. We understand the world of business has become more complex, layered, and interdependent because we’re enabling the IT infrastructure for that transformation. Our clients are some of the most creative and forward-thinking companies in the world and we help keep their businesses thriving. With nearly 50 years of experience, we optimize and modernize IT infrastructure by amplifying the power of mainframes and mid-range servers with the agility of cloud. Check us out at www.ensono.com.
Job Summary
The AIX L3 System Administrator is responsible for expert‑level administration, engineering, and support of IBM AIX and pSeries environments. This role acts as the highest technical escalation point, owning complex troubleshooting, performance tuning, migrations, virtualization, and lifecycle management while ensuring system stability, security, and availability in mission‑critical environments.
Key Responsibilities
AIX & pSeries Administration
Install, configure,
administer, and maintain IBM AIX servers in enterprise environments
Perform AIX OS administration, kernel management, and LVM management
Manage user administration, security policies, password, and identity management
Administer system services such as NIS, NFS, Samba, and printer services
Virtualization & Power Platform
Strong expertise in PowerVM / VIOS, HMC, and AIX virtualization
Build and administer VIOS servers
Manage HMC administration and upgrades (Version 9 & 10)
Deep knowledge of Power8, Power9, and Power10/11 pSeries architectures
Expert understanding of:
DLPAR
LPM (Live Partition Mobility)
Virtual networking
Virtual storage
SR‑IOV, vNIC adapters
Hands‑on experience with NPIV and SAN‑attached storage
Build, Migration & Lifecycle Management
Perform AIX server build and configuration using best practices
Manage NIM (Network Installation Manager) for OS deployment and maintena
📌 Senior System Engineer (Pune)
🏢 Ensono
📍 Pune