Managed Services, Linux Administrator

Location: India GDC – Airoli / Pune / Bangalore

The GDC Managed Services Linux Administrator role is for operations support.
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Job Summary

 First and second line support for all compute, storage, and networking infrastructure issues for On-prem. and public cloud hosted SLES Linux servers.
 Drive OS and Application patching and upgrades as per the plan.
 Set-up Alerts, reports, and dashboards for monitoring system health.
 Delivery responsibilities in the areas of private cloud network administration, security administration, instantiation, provisioning, optimizing the environment, third party software support.
 Plan & execute OS version upgrades, OS Migrations, Server build, Application specific configuration and Cluster setup
Key Responsibilities
 Perform day to day support on the servers like administration, housekeeping, maintenance, upgrade of OS, performing Security related controls and checks.
 Work on server related issues of major/minor/simple/complex in nature
 Perform patching and upgrades as per the plan
 Configuring Health checks and taking appropriate actions based on the alerts and checks
 Backups, snapshot activity in preparation to changes being implemented
 Automate the routine activities
 Linux servers Performance and capacity management
 Using the Change & Problem Management Tools to perform any planned/unplanned maintenance
 Handling of the Day to Day House Keeping tasks by using tools & scripts
 Preparation of RCA for all major/minor incidents
 Identify improvement opportunities in existing processes and recommend actions
 Build and deliver periodic SLA and other Reports to management
 24 x 7 Environment in shift roaster-based duties
 Attend calls on calls basis whenever assigned
 Coordination with Server managers/other teams and other stakeholders

Technical Skills: -

 Experience in Linux system administration
 Strong experience in Server OS Administration
 Extensive knowledge on all types of Unix / Linux Flavors
 In-depth experience in implementing an end-to-end fully secure High Availability Server environment
 Experience on Upgrades, Migrations, Performance Tuning and advanced Root cause analysis
 Should be proficient in scripting
 Should be proficient in Automation solutions
 Good to have hands-on experience in one of the Automation Platforms (SaltStack, Ansible, Puppet, Chef)
 VMware experience is of added value
 Experience in handling Linux Systems Administration tasks on RedHat and SLES Linux.
 Performance Monitoring and experienced in monitoring tools administration
 Hands on experience on Virtualization Technologies such as KVM, VMWARE.
 Hand on with implementing SSSD, LDAP, and other Identity and Authentication tools.
 Experience with one or more of Shell/Perl/python scripting and other programming languages.
 AWS/Azure/Google Cloud Administration experience will be plus.
 Performance monitoring and reporting for the compute, storage and network resources
 Good understanding for Networking and Storage concepts
 Exposure to MS Windows Admin, patching and Anti-Virus admin and upgrade

Skills & Attributes

 Minimum 8-10 years of IT experience.
 Minimum 5-6 years of experience in Server OS Administration.
 Willingness and flexibility to learn new technologies and scale up quickly and adapt to different roles as the situation demands
 Ensuring that the processes are adhered to
 Ensure maximum uptime according to the SLA
 Executing tickets / requests
 Monitoring and mentoring junior team members
 Identifying and suggesting implementation of new technologies/products for enhancement
 Helping team members in case of Issues/Technical Problems
 Knowledge of ITIL best practice on incident management, change management and problem management
Desirable Certifications

 ITIL, RHEL or MCSE or other relevant certifications are desirable

Must Have

 Must be willing to provide 24x7 on-call support on a rotational basis with the team.
 Must be willing to travel – both short-term and long-term
 Excellent oral and written communication skills in the English language