Landmark Group

Omnichannel retail, hospitality, lifestyle conglomerate

Principal Engineer - AIX Administration

System AdministrationConfirmed live in the last 24 hours

Full-timeBengaluru, Karnataka, IndiaNo salary listedIn-person

About the Job

Requirements

At least 8 years of hands-on IBM AIX and production infrastructure support experience.
Advanced administration, troubleshooting, patching, and lifecycle management experience with AIX 6.x and 7.x.
Strong experience with IBM Power Systems, PowerVM, LPAR, VIOS, and HMC.
Experience with PowerHA or comparable high-availability and failover solutions.
Strong experience with RHEL and multiple Linux distributions.
Proven L3 ownership of complex incidents, major incidents, problem management, and root-cause analysis.
Experience with SAN/NAS, multipathing, NFS, TCP/IP, and DNS.
Capability in KSH or Bash scripting and automation.
Availability to participate in on-call and maintenance activities.

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 root-cause analysis, corrective and 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.
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 and vulnerability evidence, security exceptions, audit support, privileged-access controls, and logging controls.
Administer AIX 6.x, 7.x, and later, including installation, configuration, patching, upgrades, filesystems, LVM, boot and recovery, and device management.
Manage IBM Power7+ systems, firmware coordination, hardware troubleshooting, PowerVM, LPAR, VIOS, virtual I/O, Fibre Channel, virtual SCSI, and SEA.
Operate HMC, partition profiles, managed systems, console access, alerts, and capacity changes.
Manage SAN/NAS provisioning, multipathing, zoning, host mappings, and storage performance.
Troubleshoot TCP/IP, NFS, DNS, routing, MTU, and network-related application symptoms.
Administer PowerHA or equivalent clustering, failover and fallback, dependencies, split-brain prevention, and recovery validation.
Support backup, restore, disaster-recovery testing, performance tuning, and capacity forecasting.
Automate with KSH, Bash, Ansible, or equivalent tooling.

Desired Qualifications

Clear communication, documentation, stakeholder management, and mentoring capabilities.

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 strong 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.
• Strong RHEL and multiple Linux-flavour experience.
• Proven L3 ownership of complex incidents, major incidents, problem management and RCA.
• SAN/NAS, multipathing, NFS, TCP/IP and DNS experience.
• KSH/Bash scripting and automation capability.
• Clear communication, documentation, stakeholder management and mentoring.
• Participation in on-call and maintenance activities.

Technical Responsibilities
• Administer AIX 6.x, 7.x and later: installation, configuration, patching, upgrades, filesystems, LVM, boot/recovery and device management.
• Manage IBM Power7+ systems, firmware coordination, hardware troubleshooting, PowerVM, LPAR, VIOS, virtual I/O, fibre channel, virtual SCSI and SEA.
• Operate HMC, partition profiles, managed systems, console access, alerts and capacity changes.
• Manage SAN/NAS, provisioning, multipathing, zoning/host mappings and storage performance.
• Troubleshoot TCP/IP, NFS, DNS, routing, MTU and network-related application symptoms.
• Administer PowerHA or equivalent clustering, failover/fallback, dependencies, split-brain prevention and recovery validation.
• Support backup, restore, DR testing, performance tuning and capacity forecasting.
• Automate with KSH, Bash, Ansible or equivalent tooling.

About the Company

Landmark Group

Omnichannel retail, hospitality, lifestyle conglomerate

Landmark Group is a UAE-based conglomerate with interests across retail, hospitality, and lifestyle. It operates a diverse portfolio of brands and franchises spanning fashion, electronics, home furnishings, and fast-moving consumer goods, served through a network of stores, online platforms, and franchise partnerships across the Middle East, Africa, and South Asia. Its products and services are delivered via an omnichannel approach that integrates retail, logistics, and supply chain management to ensure a seamless customer experience. The company differentiates itself through its scale, strategic partnerships, regional market knowledge, and a diversified mix of sectors, which helps it optimize operations and negotiate better terms with suppliers. Landmark Group aims to sustain growth by expanding market reach, developing its brands, and adapting to changing consumer trends while maintaining a strong customer focus and efficient logistics.

Company size: 10,001+
Company stage: Not listed
Total funding: Not listed
Headquarters: Dubai, United Arab Emirates
Founded: 1973

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