Linux Server Admin - SME (NCS/Job/ 3984)

Description:
Skills and requirements: 

Linux Server and Cluster Management:

• Advanced expertise in Red Hat Enterprise Linux (RHEL), Ubuntu, Amazon Linux, and SUSE Linux Enterprise Server (SLES).
• Experience managing General Parallel File System (GPFS) clusters and Pacemaker clusters for high availability.
• Strong Linux network management and troubleshooting skills, including TCP/IP, DNS, DHCP, and firewall configurations and knowledge of Vlan.
• VMware Vsphere Management, VMware hosted Linux server and Physical server (HP/DELL/IBM) management.
• Storage management for Linux servers, including LVM, XFS,NFS,NAS etc.

Automation and Scripting:

• Proficiency in writing Ansible playbooks for automation of system configurations and deployments.
• Extensive experience with the Ansible Automation Platform, including Ansible Tower and AWX for centralized automation management.
• Strong skills in Bash scripting for system management and automation tasks, including cron jobs and shell/python scripting.

Disaster Recovery (DR) and Zerto Tool:

• Experience designing and implementing Disaster Recovery (DR) strategies, including backup and restore procedures.
• ands-on experience with Zerto for disaster recovery and business continuity, including Zerto Virtual Manager (ZVM) and Zerto Cloud Appliance (ZCA).

CI/CD and Cloud

• Experience building and managing Continuous Integration/Continuous Deployment (CI/CD) pipelines using GitHub Actions, Jenkins, or similar tools.
• Advanced knowledge of Amazon Web Services (AWS) and Microsoft Azure cloud infrastructure and services, including EC2, S3, VPC, Azure Virtual Machines, and Azure Blob Storage.

Identity and Access Management:

• Expertise in Centrify and Lightweight Directory Access Protocol (LDAP) integration for authentication and authorization.
• Strong understanding of Red Hat Satellite for patching, system management, and content lifecycle management.

SOX Security Audit:

• Experience in SOX security audit steps for Linux servers, including access control, change management, data backup, and security monitoring.
• Proficiency in implementing and maintaining SOX compliance for Linux environments, ensuring adherence to regulatory requirements.

Be Agile:

• Experience working in Agile environments, including sprint planning, daily stand-ups, and retrospectives.

Documentation and Training:

• Proficiency in creating technical documentation and Standard Operating Procedures (SOPs).
• Ability to mentor and train junior team members, including knowledge transfer sessions and technical workshops.

Key Responsibilities:

• Oversee and manage Linux systems, ensuring performance, security, and high availability.
• Develop and maintain Ansible playbooks and Bash scripts for automation & knowledge on Ansible Automation Platform.
• Manage GPFS and Pacemaker clusters, ensuring seamless operations.
• Design and implement disaster recovery plans using Zerto and related tools.
• Implement and maintain CI/CD pipelines and cloud infrastructure on AWS and Azure.
• Administer and integrate Centrify, LDAP, and Red Hat Satellite.
• Provide 24x7 support and act as the final escalation point for critical issues.
• Lead Agile teams and projects, delivering on time with high quality.
• Write detailed documentation and train team members to ensure knowledge sharing.
• Manage VMware hosted Linux servers and Physical servers (HP/DELL/IBM).
• Handle storage management for Linux servers, including NFS and NAS.
• Manage VLANs and other network configurations. 

Preferred Skills and Certifications:

• Bachelor’s degree in computer science or equivalent with 8-12+ years of experience.
• Certifications: Red Hat Certified Engineer (RHCE), AWS Solutions Architect, or Azure Administrator.
• Strong problem-solving and leadership abilities.
• Effective communication and collaboration skills.