SeniorAdministrator - Linux, Red Hat Cluster, Red Hat Satellite

Job Description

SeniorAdministrator - Linux, Red Hat Cluster, Red Hat Satellite

Bengaluru, Karnataka

Job Summary

: Role Purpose Provide 24x7 operational support for unix / virtualization engineer services from the Bangalore delivery location, ensuring timely alert response, service restoration and controlled execution of standard activities. Technology Scope RHEL 7/8/9, VMware ESXi/vSphere, bare-metal compute, OpenShift Virtualization/CNV, server firmware and hardware lifecycle Key Responsibilities • Linux administration, filesystem/LVM, CPU, memory, process, access and network troubleshooting. • ESXi host, cluster, maintenance mode and virtual machine operational support. • Patching, firmware, certificates, provisioning, decommissioning and BCP/DR support. • Monitor alerts, acknowledge tickets and restore services using approved runbooks. • Execute approved incidents, requests and changes with complete evidence and timely updates. • Maintain warm shift handovers and coordinate with application, infrastructure, vendor and customer teams. • Participate in major incidents, BCP/DR exercises, problem management and knowledge-base updates. Required Experience and Skills • 3-6 years of relevant enterprise production-support experience. • Hands-on expertise in at least one primary technology and working knowledge of adjacent technologies listed in the scope. • Strong incident, request, change, escalation and documentation discipline in a 24x7 environment. Tooling, Automation and Reliability • ServiceNow or equivalent ITSM, Jira, monitoring dashboards, operational runbooks and knowledge repositories. • Observability, alert correlation, capacity reporting and SLA/KPI-based operations. • Basic scripting and safe execution of approved automation. Education and Certifications • Bachelor\s degree in Engineering, Computer Science, Information Technology or equivalent practical experience. • RHCSA/RHCE, VMware VCP or Red Hat OpenShift certification preferred. Behavioural Competencies • Clear written and verbal communication. • Structured troubleshooting and ownership through closure. • Collaboration across technical, vendor and business teams. • Willingness to work from Bangalore in 24x7 rotational shifts, including weekends and holidays as required. Screening Guidance • Validate recent hands-on production support, not only implementation exposure. • Use scenario-based screening for troubleshooting, controlled change, escalation and communication. • Confirm practical depth in the primary skill and realistic coverage of adjacent technologies.

Key Responsibilities

: Role Purpose Provide 24x7 operational support for unix / virtualization engineer services from the Bangalore delivery location, ensuring timely alert response, service restoration and controlled execution of standard activities. Technology Scope RHEL 7/8/9, VMware ESXi/vSphere, bare-metal compute, OpenShift Virtualization/CNV, server firmware and hardware lifecycle Key Responsibilities • Linux administration, filesystem/LVM, CPU, memory, process, access and network troubleshooting. • ESXi host, cluster, maintenance mode and virtual machine operational support. • Patching, firmware, certificates, provisioning, decommissioning and BCP/DR support. • Monitor alerts, acknowledge tickets and restore services using approved runbooks. • Execute approved incidents, requests and changes with complete evidence and timely updates. • Maintain warm shift handovers and coordinate with application, infrastructure, vendor and customer teams. • Participate in major incidents, BCP/DR exercises, problem management and knowledge-base updates. Required Experience and Skills • 3-6 years of relevant enterprise production-support experience. • Hands-on expertise in at least one primary technology and working knowledge of adjacent technologies listed in the scope. • Strong incident, request, change, escalation and documentation discipline in a 24x7 environment. Tooling, Automation and Reliability • ServiceNow or equivalent ITSM, Jira, monitoring dashboards, operational runbooks and knowledge repositories. • Observability, alert correlation, capacity reporting and SLA/KPI-based operations. • Basic scripting and safe execution of approved automation. Education and Certifications • Bachelor\s degree in Engineering, Computer Science, Information Technology or equivalent practical experience. • RHCSA/RHCE, VMware VCP or Red Hat OpenShift certification preferred. Behavioural Competencies • Clear written and verbal communication. • Structured troubleshooting and ownership through closure. • Collaboration across technical, vendor and business teams. • Willingness to work from Bangalore in 24x7 rotational shifts, including weekends and holidays as required. Screening Guidance • Validate recent hands-on production support, not only implementation exposure. • Use scenario-based screening for troubleshooting, controlled change, escalation and communication. • Confirm practical depth in the primary skill and realistic coverage of adjacent technologies.

Skill Requirements

: Role Purpose Provide 24x7 operational support for unix / virtualization engineer services from the Bangalore delivery location, ensuring timely alert response, service restoration and controlled execution of standard activities. Technology Scope RHEL 7/8/9, VMware ESXi/vSphere, bare-metal compute, OpenShift Virtualization/CNV, server firmware and hardware lifecycle Key Responsibilities • Linux administration, filesystem/LVM, CPU, memory, process, access and network troubleshooting. • ESXi host, cluster, maintenance mode and virtual machine operational support. • Patching, firmware, certificates, provisioning, decommissioning and BCP/DR support. • Monitor alerts, acknowledge tickets and restore services using approved runbooks. • Execute approved incidents, requests and changes with complete evidence and timely updates. • Maintain warm shift handovers and coordinate with application, infrastructure, vendor and customer teams. • Participate in major incidents, BCP/DR exercises, problem management and knowledge-base updates. Required Experience and Skills • 3-6 years of relevant enterprise production-support experience. • Hands-on expertise in at least one primary technology and working knowledge of adjacent technologies listed in the scope. • Strong incident, request, change, escalation and documentation discipline in a 24x7 environment. Tooling, Automation and Reliability • ServiceNow or equivalent ITSM, Jira, monitoring dashboards, operational runbooks and knowledge repositories. • Observability, alert correlation, capacity reporting and SLA/KPI-based operations. • Basic scripting and safe execution of approved automation. Education and Certifications • Bachelor\s degree in Engineering, Computer Science, Information Technology or equivalent practical experience. • RHCSA/RHCE, VMware VCP or Red Hat OpenShift certification preferred. Behavioural Competencies • Clear written and verbal communication. • Structured troubleshooting and ownership through closure. • Collaboration across technical, vendor and business teams. • Willingness to work from Bangalore in 24x7 rotational shifts, including weekends and holidays as required. Screening Guidance • Validate recent hands-on production support, not only implementation exposure. • Use scenario-based screening for troubleshooting, controlled change, escalation and communication. • Confirm practical depth in the primary skill and realistic coverage of adjacent technologies.

Other Requirements

: Role Purpose Provide 24x7 operational support for unix / virtualization engineer services from the Bangalore delivery location, ensuring timely alert response, service restoration and controlled execution of standard activities. Technology Scope RHEL 7/8/9, VMware ESXi/vSphere, bare-metal compute, OpenShift Virtualization/CNV, server firmware and hardware lifecycle Key Responsibilities • Linux administration, filesystem/LVM, CPU, memory, process, access and network troubleshooting. • ESXi host, cluster, maintenance mode and virtual machine operational support. • Patching, firmware, certificates, provisioning, decommissioning and BCP/DR support. • Monitor alerts, acknowledge tickets and restore services using approved runbooks. • Execute approved incidents, requests and changes with complete evidence and timely updates. • Maintain warm shift handovers and coordinate with application, infrastructure, vendor and customer teams. • Participate in major incidents, BCP/DR exercises, problem management and knowledge-base updates. Required Experience and Skills • 3-6 years of relevant enterprise production-support experience. • Hands-on expertise in at least one primary technology and working knowledge of adjacent technologies listed in the scope. • Strong incident, request, change, escalation and documentation discipline in a 24x7 environment. Tooling, Automation and Reliability • ServiceNow or equivalent ITSM, Jira, monitoring dashboards, operational runbooks and knowledge repositories. • Observability, alert correlation, capacity reporting and SLA/KPI-based operations. • Basic scripting and safe execution of approved automation. Education and Certifications • Bachelor\s degree in Engineering, Computer Science, Information Technology or equivalent practical experience. • RHCSA/RHCE, VMware VCP or Red Hat OpenShift certification preferred. Behavioural Competencies • Clear written and verbal communication. • Structured troubleshooting and ownership through closure. • Collaboration across technical, vendor and business teams. • Willingness to work from Bangalore in 24x7 rotational shifts, including weekends and holidays as required. Screening Guidance • Validate recent hands-on production support, not only implementation exposure. • Use scenario-based screening for troubleshooting, controlled change, escalation and communication. • Confirm practical depth in the primary skill and realistic coverage of adjacent technologies.

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At HCLTech, youll supercharge your potential. Youll find your career. And youll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 230,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending September 2026 totaled $14.8 billion.