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Job Description Preferred candidate profile: Skill: Linux Admin + Red hat Satellite Location: Bangalore, Coimbatore & Hyderabad Experience: 6 to 8 years L3 Support Shift: 24/7 Rotational shift Role & responsibilities Linux Engineer L3 (SME / Architect) (6 12+ Years) Responsibilities Act as Linux SME and final escalation point. Lead major incident management and RCA. Design and support highly available and scalable Linux environments. Advanced performance tuning: Kernel parameters I/O, memory, and CPU tuning Lead patching, OS upgrades, and lifecycle management. Implement automation using: Shell, Python Ansible / other tools Support Linux on cloud platforms: AWS / Azure / GCP Implement and manage: SELinux Firewall (iptables/firewalld) Security compliance and audits Mentor L1/L2 engineers. Work with OEM/vendor support teams. Participate in architecture and design reviews. Skills Deep Linux internals knowledge. Strong scripting & automation expertise. Cloud and DevOps exposure. Experience with containers (Docker/Kubernetes preferred). Security and compliance expertise. Required Technical Skills (All Levels) Linux OS: RHEL / CentOS / Ubuntu / SUSE System administration fundamentals Incident & change management Documentation & communication skills Preferred Skills Cloud certifications or handson cloud operations. Knowledge of Kubernetes Operators (Linux side). Experience in large enterprise production environments. Exposure to SRE or DevOps operating models. Certifications (Preferred) RHCSA / RHCE AWS / Azure certifications ITIL Foundation Shift & Support Model L1/L2: 247 rotational shifts L3: Oncall & escalation support Weekend support as per rotation .