Track Lead (Support & Operations)
Noida · Staff/Principal
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HIGH
Our tracked job listings for HCLTech show strong recent activity.
First 72 hours
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Skills required
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Job description
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
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Lead troubleshooting for critical production incidents (P1 & P2)
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Perform deep root cause analysis and implement fixes
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Design and optimize Linux system architecture
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Handle kernel tuning and performance optimization
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Manage filesystem and LVM issues
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Troubleshoot boot failures and kernel panic
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Manage authentication systems (SSSD, LDAP, AD, Kerberos)
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Perform capacity planning and performance tuning
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Lead OS upgrades and patching strategies
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Implement automation (Bash, Python, Ansible)
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Ensure system security and compliance
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Troubleshoot networking issues (DNS, NFS, CIFS)
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Lead major incident calls
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Mentor L1 and L2 engineers
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Create SOPs and documentation
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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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