Description
Professional Summary A strong leader with over 4 years' experience as a RedHat Linux infrastructure administrator, strong background in various flavors of UNIX, Linux and Apache web server technologies, results driven team player recognized for capacity to work autonomously, as well as collaboratively with all levels of support staff and management. Solutions focused Cloud Administrator and Architect with comprehensive and progressive experience, proven record of optimizing efficiency and profitability through value added systems, and a great team player demonstrating high-levels of accuracy through demonstrated track record of researching and analyzing complex operational issues and generating creative and viable solutions. Experienced with installing/configuring RHEL on both blades and stand-alone platforms. * Performed packages update on servers. * Implemented network communications on servers. * Implementation and experience with controlling user permission via sudoers. * Administration of CLI-only network environments, using such tools as SSH, SCP, SFTP etc. * Performed log administration to detect system errors. * Experience with datacenter automation architecture or implementation. * Configured bonded NIC cards on RedHat Linux. * Participate in on-call rotation and work to resolve critical issues 24/7. * Created group accounts. * Monitored system logs and activity on all servers and devices. * Implemented password aging. * Performed patch installation. * Implemented NFS on Linux servers. * Troubleshooted Network and TCP/IP issues on servers. * Installed other third party applications on servers. * Configured postfix as a mail server. * Performed host security on servers. * Resolved TCP/IP issues. * Handling LVM related tasks, Creating, resizing LVM, Veritas Volume manager and also managing Cluster environment using Veritas Cluster suite. * Implemented Linux host security on all servers based on industry standard. * Monitored systems logins. * Turned off all vulnerable services. * Implemented file systems security on servers. SnapNames June. 2013 - Aug. 2014 Project Name: Data Center Operations Linux Systems Administrator * Working with HP/IBM blade administration, involves the engineer to login into the console and restart the server & pull ILO logs to check the error messages. * Working on issues like swap, load over, host unreachable, cluster (gfs), procs over, smtp, disk space, etc. * Collection of logs, graphs and other information as per SOP for Root Cause Analysis (RCA). * Being part of the client's meetings, huddle call, SOP transition, deployment. * Working with different teams like system administrators, network, testing, developers and third party teams. * Dealing with hardware, network, LAN, WAN, issues and raising tickets with the vendors. * Follow up with Vendors - ISP, hardware and software whenever required & resolve issues by minimizing downtimes. * Maintaining records of alerts triggered daily and attending daily huddle call with Client to discuss alerts triggered for a time frame of 24hrs. * Preparing and suggesting changes to documentations (SOP's) on server real-time issues. * Training new hires about the process, SLA, escalation and triaging. * Maintaining SLA's and achieving Quality metrics as per company policy.
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