Subject Matter Expert (Support&Ops)

HCL Technologies
HCL Technologies

Operations, Customer Service

Posted on Jun 17, 2026
Job Description
Subject Matter Expert (Support&Ops)
Noida, Uttar Pradesh

Job Summary

Should have minimum of 12-14 years of experience in RHEL Linux environment.\\\\\\\\r\\\\\\\\n In-depth knowledge in Boot process Management and troubleshooting techniques. Should be proficient in task scheduling and scripting.\\\\\\\\r\\\\\\\\n Experience in User/Group Management, AD/LDAP, Policies, Permissions, ACL, etc.\\\\\\\\r\\\\\\\\n Strong knowledge on LVM, VxVM, File systems and RAID. fdisk, parted, tune2fs, e2fsck, File system creation/modification/migration, etc.\\\\\\\\r\\\\\\\\n System/package/patch up-gradation using RPM, YUM, RHN, Satellite, etc.\\\\\\\\r\\\\\\\\n Server patching via Redhat Satellite Servers, Maintaining the Satellite Servers.\\\\\\\\r\\\\\\\\n System Resource monitoring, management and log file interpretation.\\\\\\\\r\\\\\\\\n Must be Strong in Backup and Recover Procedures.\\\\\\\\r\\\\\\\\n Veritas Cluster Implementations, up-gradation/migration/trouble shooting in Linux. Hands on experience in handling Linux OS Clusters.\\\\\\\\r\\\\\\\\n Network configurations, ROUTE, NIC bonding, Bridging, etc.\\\\\\\\r\\\\\\\\n Experience on configuring Storage on Linux & Good understanding HBA configuration and Multi-path software\\\\\\\\\\\\\\\'s, NAS, SAN, iSCSI, etc.\\\\\\\\r\\\\\\\\n Should have worked on OEM Servers and coordination with OEM for hardware and Operating system related issues.\\\\\\\\r\\\\\\\\n Work Experience on Linux Security - TCPwrapper, IPtables and SELinux.\\\\\\\\r\\\\\\\\n Experience on Opensource Virtualization, LDAP services will be a value add.\\\\\\\\r\\\\\\\\n Knowledge about Webmin, ILO, DRAC, cPanel, etc.\\\\\\\\r\\\\\\\\n Should have expertise to write scripts for critical activities in shell scripting. Ansible, Perl and Python are advantages.\\\\\\\\r\\\\\\\\n Cluster fail-over Drill, DR drill, Restoration drill, etc.\\\\\\\\r\\\\\\\\n Experience in NTP, NFS, NIS, Sendmail, SMTP, DHCP, Samba, CIFS, Postfix, FTP, VSFTP, DNS, Apache/Tomcat, etc.\\\\\\\\r\\\\\\\\n Problem Determination and Resolution.\\\\\\\\r\\\\\\\\n System Hardening, Security audit, Security baseline, VAPT and Performance fine tuning.\\\\\\\\r\\\\\\\\n VMWare, ESXi, RHEVM, KVM, OVM/OVS, etc. will be an additional advantage.\\\\\\\\r\\\\\\\\n Should be familiar with Networking stuff and tools like IPCS, TOP, tcpdump, nmap, Wireshark, SSH, Telnet, SMTP, netstat, etc.\\\\\\\\r\\\\\\\\n Experience in ITIL Process flow.\\\\\\\\r\\\\\\\\n Handing Major Incidents, Customer Escalations, Identifying root cause & Preparing RCA, etc.\\\\\\\\r\\\\\\\\n Excellent communication and interpersonal skills.\\\\\\\\r\\\\\\\\n Engineering of systems administration-related solutions for various projects and operational needs.\\\\\\\\r\\\\\\\\n Collaborate with other teams and team members to develop automation strategies and deployment processes.\\\\\\\\r\\\\\\\\n Strong work experience in Veritas Clusters.\\\\\\\\r\\\\\\\\n Experience in Ansible playbook creation, roles and managing the AAP.\\\\\\\\r\\\\\\\\n Experience in Redhat Satellite environment.

Key Responsibilities

Unix/Linux Admin, Customer Handling, Automation

Skill Requirements

Experience in Unix Admin/Handon on Veritas Cluster

Other Requirements

Good communication skills, Customer handling and operations

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 226,300 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 2025 totaled $14.5 billion.

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:

Industry-benchmarked compensation

Best-in-class healthcare benefits

Personal time off

Maternity and paternity benefits

Access to skills / higher education programs/resources

Discounts on products and services via Benefit Box

Participate in CSR programs and live life with a purpose

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.