10/05 NITU RAO
Recruitment Specialist at Skills Rock Solutions

Views:74 Applications:4 Rec. Actions:Recruiter Actions:3

Senior System Administrator - RHEL/CentOS (10-16 yrs)

Chennai Job Code: 442301

Role : System Administrator

Key Responsibilities :

- Configure and maintain application servers and processes, including monitoring of system health and performance, to ensure high levels of performance, availability, and security.

- Manage MySQL databases through multiple product lifecycle environments, from development to mission-critical production systems.

- Perform scheduled maintenance and support release deployment activities.

- Provide 24x7 support for critical production systems.

- Perform regular security monitoring to identify any possible intrusions.

- Installing and maintaining the LAMP server stack.

- Provision and manage cloud-based services.

- Installation and configuration of internally developed and third party commercial & open source application software in our test and production environments.

- Support development and QA across various projects to satisfy their day to day needs.

- Reviewing system and application logs, looking for any potential issues and verifying completion of scheduled jobs.

- Investigate and troubleshoot issues reported by both Service desk and Event Management systems

- Periodically monitor system performance and capacity to provide input for needed expansion or alternative configurations to support additional storage, database capacity, or web server capacity needs.

- Study and implement new tools for increased productivity, security, reliability and performance.

- Managing and implementing large scale distributed systems.

- Administer and maintain virtual server environments

- Independently analyse, solve, and correct issues in real time, providing problem resolution end-to-end.

- Gather regular performance statistics using automated scripts or tools and present to reporting manager upon request or agreed regular intervals.

- Check and ensure that the backups taken as per the backup policy are successful and are of usable quality.

- Perform Root Cause Analysis of major incidents and recurring problems with web and database services and recommend and implement corrective actions.

Essential Skills :

- Strong knowledge of RHEL/CentOS 5/6/7 in an enterprise environment.

- Fluent in Apache web servers and Nginx.

- Experience working on high traffic B2C or B2B websites

- Good Knowledge of LAMP stack implementations

- Experience configuring, managing and maintaining MySQL.

- Experience running applications and systems in Amazon Cloud and Azure environments.

- Strong Scripting skill in one or more of Perl, Python or bash/shell.

- Experienced or extremely familiar with Jenkins, AWS, Windows Azure and VMware.

- Proven Systems Administration experience within a mixed Windows, Linux physical and virtual environment

- Experience with software management - installations, patching of OS/apps etc.

- Experience working with monitoring tools Nagios, NewRelic, ELK Stack and Zabbix.

- Exposure or familiar with some of these technologies: Redis, Java, Kong API Gateway, Git and REST API's.

- Knowledge of Clusters, Storage, Backups, Data Export/Import, Monitoring tools and disaster recovery.

- Some knowledge of PHP Scripting would be ideal but not essential.

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