SeniorAdministrator - Linux, Red Hat Cluster, Red Hat Satellite
India
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Job Description
SeniorAdministrator - Linux, Red Hat Cluster, Red Hat Satellite
Bangalore, Karnataka

Job Summary

Responsible for Incident, Change, Knowledge, Availability and Capacity Management for Linux operating system. Manage L2 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.

 

Key Responsibilities

Should have experience in Monitoring and L2 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

Skill Requirements

: Should have experience in Monitoring and L2 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

Other Requirements

 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
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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 227,000 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 December 2026 totaled $14.7 billion.
23 Benefits At HCLTech, we believe in empowering our employees with comprehensive benefits that support their professional growth and enhance their well-being. When you sign up for a career with us, you gain access to: https://rmkcdn.successfactors.com/147eb21f/a701dca9-f32d-4fc9-9447-6.svg Industry-benchmarked compensation https://rmkcdn.successfactors.com/147eb21f/b0c54381-ddcc-4a33-9b35-9.svg Best-in-class healthcare benefits https://rmkcdn.successfactors.com/147eb21f/b73027be-7aae-4d36-a090-4.svg Personal time off https://rmkcdn.successfactors.com/147eb21f/d5b4fdfd-2e99-4e26-9878-9.svg Maternity and paternity benefits https://rmkcdn.successfactors.com/147eb21f/3d42b0fc-4652-435a-9ece-c.svg Access to skills / higher education programs/resources https://rmkcdn.successfactors.com/147eb21f/aeddeaf2-9e25-4584-ad11-d.svg Discounts on products and services via Benefit Box https://rmkcdn.successfactors.com/147eb21f/a9609a3b-2700-4b3c-9d90-a.svg Participate in CSR programs and live life with a purpose https://rmkcdn.successfactors.com/147eb21f/c6e33851-710f-4634-bd69-f.svg Opportunities to grow and advance your career Note: The benefits listed above vary depending on the nature of your employment and the country where you work. Some benefits may be available in some countries but not in all.