Linux Platform Engineer | IT Infrastructure Specialist | HPC System Administrator

6/2018 – offen

Leadership & Coordination: Led key technical initiatives across EMEA,
demonstrating strong leadership by coordinating patching cycles, achieving 100% compliance for over 1000 machines through effective task delegation and automation.
• HPC Grid Administration: Managed HPC LSF Grid Administration, overseeing global demand planning for compute and storage resources, while resolving complex issues involving NetApp storage, LSF, and VMs, showcasing problem-solving and strategic planning skills.
• Project Management: Spearheaded various M&A projects, leading server migrations, data management, workflow integrations and site mergers, while fostering collaboration between M&A, IT, and engineering teams.
• Performance Improvement: Improved performance for RF users by leading cross-functional IT teams, implementing Virtualizations and LSF optimizations, and demonstrating a results-oriented leadership approach.
• Storage Management: Standardized QDisk storage management across multiple sites, driving efficiency in storage forecasting and resource allocation through team collaboration and process improvements.
• System Upgrades & Reliability: Successfully led the upgrade of Testrail environments, enhancing system performance and reliability, while ensuring proactive monitoring and migration.
• Monitoring & Automation: Took initiative to automate repetitive tasks using scripts in BASH, ANSIBLE, PYTHON, CHECKMK etc.

Linux-Systemadministrator

5/2016 – 9/2016

Company Shell India Markets Pvt. Ltd. (May 2016 – Sep 2016)
Project #1:
Title : CUBE Technical Compute Service Engineer
Technologies : Unix/Shell Programming
Description : This role was in the remote site technical computing service team also called CUBE (Combined Unified Build Environment) in Shell.
Contribution :
Operate CUBE servers on a day-to-day and project basis. Plan, install/upgrade, automate, maintain and troubleshoot Linux server environments
Plan integration/decommission, schedule changes of various remote server sites involving various stakeholders using ITIL processes.
Creation and maintenance of various scripts needed for regular monitoring and debugging of the systems.

Incident-Management, ITIL, Red Hat Enterprise Linux (RHEL), UNIX, Projektmanagement (IT), Server-Monitoring, Server Administration, Linux Entwicklung, SSH (Secure Shell)

6/2012 – 5/2016

Company NEC Technologies India Pvt. Ltd. (June 2012 – May 2016)
Client NEC Japan (NEC HYDRAstor)
NEC's HYDRAstor delivers high performance and highly available storage solution for long-term data archive and disaster recovery solutions for enterprises.
Project #1:
Title : System Administration of Linux storage systems
Technologies : Unix/Shell Programming/Perl
Description : HYDRAstor storage support require remote administration of servers
Contribution :
Took overall ownership of planning, installing/upgrading various customer sites using CentOS/RHEL Linux

Managed and troubleshooting of various server operation issues related to performance, installation, update etc.
Achieved better CSAT and thus avoiding deadline misses in all customer cases.
Discussed and finalised patch issue lifecycle with NEC management and technical teams.

Project #2:
Title : NTP module for HYDRAstor
Technologies : Unix/Shell Programming
Description : Existing NTP module is a customised wrapper over OSS ntp. Enhancements were needed to support new type of hybrid hardware and RHEL5.8
Contribution :
Took end to end ownership of the module from day one of joining the new organisation
Analysed and implemented the various enhancements for supporting new HW and OS
Study OSS and debug customer issues for possible configuration issues.
Creation and maintenance of makefiles for make, came for build in CVS, GIT

Project #3:
Title : Enhancement and Maintenance of various releases
Technologies : Unix/Shell Programming/Perl
Description : HYDRAstor V4.1, V4.1.1, V4.2, V4.3, V4.3.1, V4.4 are various releases which are planned and released to customer. They contained enhancements as well as bug fixes
Contribution :
Build and release management for multiple releases with daily/weekly code build. Automation of manual steps and debugging/resolving the build errors
Worked as technical lead for 5/8 components of OpsMgmt team (SystemBase, NTP, FTP, AlertManager, Updater)
Also handling project management and complete customer interaction for all modules
Part of company’s assessed team for CMMi3->CMMi5 engineering practices
Handling estimation, planning, SRS/HLD review, code review and final release for project

Project #4:
Title : OS Upgrade RHEL5.8 to RHEL 6.6
Technologies : Unix/Shell Programming/Perl
Description : HYDRAstor V5.0 release is responsible for migrating OS from RHEL5.8 to RHEL6.6
Contribution :
Working as technical/project lead for 8/8 components of Operations Mgmt. team
Additionally handled all PM work for ~3 months in the absence of Project Manager
Working as configuration controller for CMMi related project activities
Handling estimation of next versions i.e. V5.0.1/V5.0.2/V5.0.3/V5.0.4
Build and release management for new gcc compiler, new versions of make, Ant, Scons etc.

Incident-Management, Red Hat Enterprise Linux (RHEL), UNIX, Linux (Kernel), Projektmanagement (IT), Testdesign (IT), Server-Monitoring, Server Administration, Git, Make (Software), Concurrent Versions System, Subversion, Bash Shell, Linux Entwicklung, 2nd & 3rd Level Support, Snmp, File Transfer Protocol (FTP), Linux Einführung, Requirement Analyse, Capability Maturity Model Integration