Landmark Group
Landmark Digital is the dynamic digital arm of Landmark Retail, serving as the
cornerstone of our omnichannel business strategy. Headquartered in Dubai, UAE,
with a solid technology and development hub in Bengaluru, we build and scale
digital products, platforms, and experiences that power our retail businesses
across multiple markets.

Role Summary
Senior L3 technical ownership of enterprise AIX and Power infrastructure,
including complex incident resolution, reliability, lifecycle management,
security, HA/DR, performance, automation and technical leadership. The role is a
senior escalation point, RCA lead, stakeholder communicator and mentor to L1/L2
engineers.

L3 Responsibilities
• Own complex AIX, Power Systems, PowerVM, VIOS, LPAR and HMC incidents from
triage through recovery and permanent remediation.
• Lead major-incident bridges, stakeholder updates, structured RCA,
corrective/preventive actions and problem management.
• Design and review resilient solutions aligned with availability, capacity,
security and recovery objectives.




• Provide technical leadership for migrations, upgrades, platform refreshes and
onboarding.
• Mentor L1/L2 administrators, review runbooks and lead knowledge transfer.
• Maintain build documents, procedures, topology diagrams and known-error
records.

Security, Patching and Compliance
• Plan and execute AIX, VIOS, HMC, Power firmware and RHEL/Linux patching with
testing, rollback and outage controls.
• Apply hardening, least privilege, access control, secure remote
administration, encryption and vulnerability remediation.
• Maintain patch/vulnerability evidence, security exceptions, audit support,
privileged-access and logging controls

Must Have
• 8+ years of hands-on IBM AIX and production infrastructure support.
• Advanced AIX 6.x/7.x administration, troubleshooting, patching and lifecycle
management.
• Strong IBM Power Systems, PowerVM, LPAR, VIOS and HMC experience.
• PowerHA or comparable HA/failover experience

📌 AIX Administrator- Principle Engineer (Bengaluru)
🏢 Landmark Group
📍 Bengaluru