Vibin Mathew - Site Reliability Engineer, Iopex Technologies

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Work Background

iOPEX TechnologiesSite Reliability Engineer (CASB|SASE)

Oct. 2022Chennai, Tamil Nadu, India* Provide primary security operational support and engineering for multiple large-scale distributed software applications. * Creating sustainable systems and services through automation and uplifts. * Managing Advance Threat Intelligence and DLP (Analysis & logging) over 6000+ customers * Gather and analyze metrics from operating systems as well as applications to assist in performance tuning and fault finding. * Balance feature development speed and reliability with well-defined service-level objectives. * Measure and optimize system performance, with an eye toward pushing our capabilities forward, getting ahead of customer needs, and innovating for continual improvement. * Proactive in identifying problems, performance bottlenecks, and areas for improvement.

iOPEX TechnologiesSenior Systems Engineer (DevOps & Infra)

May. 2022 - Dec. 2022Chennai, Tamil Nadu, India* Be responsible for software releases, monitoring and support of all production system components and Infrastructure. * Manage day to day operations for pipeline jobs, and source control resources. * Production deployments and pre/post-deployment validation. * Created various (Jenkins)CI pipeline jobs for Production Env. * Configuration management, log aggregation and Continuous Integration + Delivery (CI/CD) systems. * Managing Cobbler Inventory tool to (add/remove/modify) multiple kickstart profiles for individual hosts or chassis in respective env. * Troubleshoot technical or functional issues in a complex financial environment to provide timely resolution, with various applications and platforms that are global.

iOPEX TechnologiesSystems Engineer (DevOps & Infra)

Sep. 2019 - May. 2022Chennai Area, India* Offshore System Engineer to support (DevOps & Infra) teams to maintain client Infrastructure and Internal monitoring servers 24/7. * Worked in Ad-serving RTB (Real-Time Bidding) and Service clusters and ensured high availability by maintaining the cluster ratio. * Monitored over 10,000+ hosts and 60,000+ service checks under (Dev/QA/Stage/Prod) env** across 8 Global Data Centers & Cloud providers for various Applications, Hardware degradation & Maintenance...etc * Patching software packages/modules/system software through Ansible & Puppet. * Creating PRs for General configuration changes in Servers, Clusters across multiple Data Centers. * Keep track of incidents, problem tasks, and change request records on the Service-Now tool. * Responsible for managing/configuring the monitoring tools - NewRelic, DataDog, Icinga2, Check_MK, Slack webhooks and PagerDuty integration etc. * Incident/Tasks/Post-mortem analysis/track on Jira for P0/P1/P2 issues. * Creating & Updating Knowledge Base and Run books.

FiiTLinux SysAdmin & Security Analyst

Jun. 2016 - Jul. 2017Chennai Area, India* Drive Process Metrics, SLA. & Redirect problems to appropriate resource. * Support ITGC control review. * Identify and escalate situations requiring urgent attention. & ensure effective and rapid response to Major Incidents. * Active participation of new Application Transition Projects where the key objective would be ensuring the smooth transition of the Application Security Phase. * Ensured all necessary perquisite activities are being completed as per Group Information Security Policy before transition of any application. * Conducting internal security audits to ensure that all information security processes and procedures are adhered by the employees and that with 100% compliance. * User access Management Review, Approval, Non-Compliance tracking & closure. * Played a key role in providing Access-Provisioning / Decommissioning Related Training to Team. * Complete security audits (Malware/Virus check, 2 step authentication, DDoS attack handling, Phishing/Spammer detection, worldwide open ports/files/folders validation etc). * Monitored Compliance to Service level agreements, quality standards and operational objectives. * Assessed Risk and Access Control Policies as per organization Controls. * Responsible to install/configure customer requested software/packages/tools on newly deployed or existing Linux servers. * Disk partition, LVM (create, extend, resize), NFS, DHCP, SAMBA configuration. * Virtualization on KVM, OpenVZ, Xen virtualization and wok * Responsible to install/configure/troubleshoot – Webserver's (Apache/Nginx), MySQL, Mailservers(Postfix/Sendmail), FTP servers (Pro-ftpd/Pure-ftpd/Vsftpd), DNS (Bind/MyDNS), Mail client IMAP/POP3 config, SSL certificates, OpenVPN, etc...

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