Track Lead (Support & Operations)
India
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Job Description
Track Lead (Support & Operations)
Noida, Uttar Pradesh

Job Summary

Job Description: L3 Linux Administrator 

Job Title: 

L3 Linux Support Engineer / Senior Linux Administrator 

Experience: 

6–10+ Years 

Role Overview 

Acts as third-level support responsible for resolving critical issues, providing expert troubleshooting, and driving system improvements while ensuring high availability and performance. 

Key Responsibilities

Key Responsibilities 

  • Lead troubleshooting for critical production incidents (P1 & P2) 

  • Perform deep root cause analysis and implement fixes 

  • Design and optimize Linux system architecture 

  • Handle kernel tuning and performance optimization 

  • Manage filesystem and LVM issues 

  • Troubleshoot boot failures and kernel panic 

  • Manage authentication systems (SSSD, LDAP, AD, Kerberos) 

  • Perform capacity planning and performance tuning 

  • Lead OS upgrades and patching strategies 

  • Implement automation (Bash, Python, Ansible) 

  • Ensure system security and compliance 

  • Troubleshoot networking issues (DNS, NFS, CIFS) 

  • Lead major incident calls 

  • Mentor L1 and L2 engineers 

  • Create SOPs and documentation 

  • Support change management processes 

Skill Requirements

Expert Linux knowledge, system design, troubleshooting, performance tuning, networking, authentication, and automation scripting. 

Other Requirements
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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 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 2026 totaled $14.8 billion.