Senior Systems Engineer Linux

Litmus7 Systems Consulting Ltd; Ernakulam; On-site; INR 1,800,000 - 3,000,000; Full time

Job summary

Litmus7 Systems Consulting Ltd is seeking a Senior Systems Engineer (Linux)/Lead Linux Administrator to manage, maintain, and support a large-scale enterprise Linux footprint across on-prem data centers, private cloud, and public cloud environments.

The role requires 8–12 years of hands-on experience with RHEL/SUSE/Ubuntu, scripting in Bash and Python, and expertise in HA clusters, virtualization, storage, and enterprise networking.

Qualifications

• Hands-on experience administering enterprise Linux distributions at scale (1,000+ nodes).
• Advanced Bash and Python for automation.
• Experience with LVM, multipathing, SAN/NAS and enterprise hypervisors (VMware vSphere, KVM, Nutanix AHV).
• Strong understanding of TCP/IP, DNS, DHCP, SSH security, bonding, subnets, and firewall admin.
• Experience building and supporting high-availability clusters.
• Experience with centralized management and monitoring tools.
• Experience with enterprise server hardware and firmware management.
• Ability to analyze kernel crash dumps and optimize Linux for large Oracle DB, PostgreSQL, SAP, or web tier deployments.
• Nice to have: RHCA, RHCE certifications.

Responsibilities

• Manage, maintain, and support a multi-node Linux server footprint across data centers, private cloud, and public cloud.
• Collaborate with cross-functional teams and stakeholders to troubleshoot complex issues.
• Lead activities around HA, virtualization, storage, and performance optimization.
• Implement automation to improve provisioning, deployment, and maintenance.
• Monitor systems and coordinate hardware firmware updates and platform health.

Skills

Linux administration at scale

Bash scripting

Python scripting

Enterprise Linux distributions

Networking and security

HA clustering

Monitoring & platform mgmt

Kernel crash analysis

Oracle/DB/SAP/web deployment tuning

Tools

LVM

multipathing

SAN/NAS

VMware vSphere

KVM

Nutanix AHV

Job description

Role - Senior Systems Engineer (Linux)/ Lead Linux Administrator

Echo System : Manage, maintain, and support a multi-node, large-scale enterprise Linux server footprint across on-premises data centers, private cloud (VMware/KVM), and public cloud environments.

Experience Level: 8 - 12 years

Skills :

• Hands-on experience administering and engineering enterprise Linux distributions (RHEL, SUSE, or Ubuntu) at scale (1,000+ nodes).
• Scripting & Automation: Advanced proficiency in Bash and Python for systems automation.
• Storage & Virtualization Expertise: Linux LVM, multipathing, SAN/NAS connectivity, and enterprise hypervisors (VMware vSphere, KVM, Nutanix AHV)
• Networking Mastery: Deep understanding of TCP/IP, DNS, DHCP, SSH security, network bonding, subnets, packet analysis, firewall administration.
• Cluster & High Availability: Hands-on experience building and supporting enterprise High-Availability clusters.
• Centralized Management & Monitoring: Hands-on experience with platform management tools.
• Hardware Operations: Experience with enterprise server hardware platforms and firmware management.
• Application & OS Troubleshooting: Expert skills in troubleshooting, co-relating errors and collaborate with cross stakeholders;Ability to analyze kernel crash dumps; Familiarity with Linux OS optimization for large Oracle DB, PostgreSQL, SAP, or web tier deployments.

Good to have : Certifications: Red Hat Certified Architect (RHCA), Red Hat Certified Engineer (RHCE)