SeniorAdministrator - Linux, Red Hat Cluster, Red Hat Satellite

HCL Technologies Limited; India; On-site; INR 1,000,000 - 1,400,000; Full time

Job summary

HCL Technologies Limited is seeking a Senior Administrator for Linux, Red Hat Cluster and Red Hat Satellite in India. The role focuses on advanced technical support, incident analysis, and operational excellence across Linux environments.

The ideal candidate will manage L2/L3 production support, mentor team members, and ensure security hardening while maintaining robust documentation and knowledge sharing. Weekend support may be required.

Qualifications

• Experience administering Linux/UNIX servers and clustering.
• Experience with Linux security hardening and patch management.
• Familiar with incident, change, problem, and knowledge management processes.

Responsibilities

• Provide advanced technical support for Linux/Red Hat Satellite incidents and perform root cause analysis.
• Ensure compliance with quality standards and company policies in operations.
• Maintain and update knowledge base and train teammates.
• Resolve complex tickets within SLAs and collaborate with cross-functional teams to improve security and operations.
• Drive customer satisfaction by achieving high first-call resolutions and proactive threat mitigation.

Skills

Linux proficiency

Red Hat Satellite

Red Hat Cluster

Root cause analysis

ITIL/ITSM

Communication skills

Education

RHCSA certification

Job description

SeniorAdministrator - Linux, Red Hat Cluster, Red Hat Satellite SeniorAdministrator - Linux, Red Hat Cluster, Red Hat Satellite India Job Description SeniorAdministrator - Linux, Red Hat Cluster, Red Hat Satellite Vijayawada, Andhra Pradesh

Job Summary

The Sr. Administrator for Support & Operations plays a critical role in delivering advanced technical support and operational excellence. This position is responsible for troubleshooting complex issues, conducting root cause analysis, and ensuring that our services meet quality standards, ultimately contributing to positive customer feedback and satisfaction.

Key Responsibilities

1. Provide Advanced Technical Support For Complex Incidents Related To Linux And Redhat Satellite, Conducting Thorough Root Cause Analysis To Implement Effective Solutions For Technical And Security Challenges.
2. Adhere To Quality Standards And Regulatory Requirements While Ensuring Compliance With Company Policies Throughout Support Operations.
3. Manage And Update The Knowledge Base, Contributing To Effective Documentation And Ongoing Training For New Team Members And Analysts.
4. Resolve Complex Support Tickets Within Agreed Slas And Collaborate With Cross-Functional Teams To Enhance Operational Efficiency And Strengthen Security Posture.
5. Drive Customer Satisfaction By Achieving High First Call Resolution Rates, Minimizing Rejected Resolutions And Case Reopenings, And Proactively Mitigating Security Threats.

Job Purpose SME is responsible for Incident, Change, Knowledge, Availability and Capacity Management for Linux operating system. Manage L2/L3 production/project support activities.Administer and manage Linux/UNIX servers. Monitor system performance and ensure system security Excellent communication and facilitation skills Experience or familiar on tools like ticketing and monitoring tools. Responsible for coaching and mentoring the team members. Willingness to work on flexible working hours including weekends.Involved in Routine Operational support and troubleshooting. Job ScopeShould have experience in Monitoring and L2/L3 Incident & Change Management. Expert level experience in Linux and its related sub-components. Produce and maintain documentation of the Linux environment Should have experience in file-system management : Create and manage filesystems Create and manage logical volumes Create and manage volume groups Manage physical and virtual devices Maintenance and management of Hardware RAID Understand storage area networks and the representation in the operating system to be able to define and debug LUN integration into the operating system Should have experience open vendor calls and collect usually required information Should have experience in system and network management and security, especially: Configure network devices (including Ether channel, IPv4, and IPv6) Troubleshoot network issues Configure and manage remote access including ssh and ssl configuration Understand system hardening procedures Unix / Linux OS management, support and troubleshooting Clustering knowledge, PCS of Linux Should have knowledge of DNS, NIS, Proxy and LDAP Should have knowledge of shell scripting.Configuring VPC peering & Transit gateways between customer and HEC network to allow the communication.Used security groups, subnets, network ACL’s, internet gateways and route tables to ensure security for customer networks. Creating, managing internal & external load balancers to allow the public network communication with specific ports. (Azure) Configuring VNET & VWAN peering between different networks to allow communication.Used network security groups, subnets, route tables, local network gateway and application security groups to ensure security for customer networks.Configuring Cloud NAT (GCP) Working knowledge on Pacemaker cluster Background: • The candidate should be degree educated and needs to have at least 6-8 plus years solid experience of Linux Operating System. • Certification on Linux is an added advantage • Knowledge on any cloud technologies (AWS/Azure/GCP) is an added advantage

Skill Requirements

• Advanced Proficiency In Linux And Redhat Satellite Management.
• Strong Understanding Of Redhat Cluster Technologies.
• Excellent Problem-Solving Skills With A Focus On Root Cause Analysis.
• Familiarity With It Service Management Frameworks And Processes.
• Effective Communication Skills For Customer Interaction And Team Collaboration.

Other Requirements

• Red Hat Certified System Administrator (Rhcsa) Certification Is Optional But Valuable.
• Itil Foundation Certification Is Recommended For Best Practices In Service Management.

Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll 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 223,000 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 June 2026totaled $14.8billion.