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Samreen Mayyaddi, Senior Site Reliability Engineer

Samreen Mayyaddi

Senior Site Reliability Engineer·CoreCARD Software DMCC

United Arab Emirates

Bachelor's degree, Bachelor's degree in Computer Science & Engineering (B.E),

Work experience

Total years of experience: 12 years, 11 months

Senior Site Reliability Engineer

January 2021 - April 2024

CoreCARD Software DMCC

Dubai, United Arab Emirates

January 2021 - April 2024

• Lead large scale Production operations support of business FinTech applications - Incidents, Bug Fixes, Upgrades.
• Execute Incident Response & Management processes for effective handling and resolving of disruptions to restore normal operations swiftly.
• Conduct postmortem & Incident Reports for Production outages.
• Design, provision, and manage scalable and highly available Microsoft Azure infrastructure services using Terraform Infrastructure as Code (IaC)
• Implement Jenkins tool to facilitate continuous integration and continuous delivery (CI/CD)
• Automate the configuration changes using Ansible.
• Build the monitoring stack for the applications and infrastructure using Prometheus/Grafana dashboards and Splunk tool for effective monitoring, analyzing, and visualizing large volumes of machine generated data in real-time.
• Lead the upkeep of extensive documentation detailing application, monitoring & support procedures in Confluence.
• Lead the analysis to improve existing processes, procedures, and methods.
• Windows & Linux system administration - upgrades, patch deployments, boot issues

Company industry:
IT Services

Senior Site Reliability Engineer

February 2016 - December 2020

Wirecard Processing FZ LLC

Dubai, United Arab Emirates

February 2016 - December 2020

• Provide L3 Production support of business applications - Incidents, planned changes, Bug Fixes, Upgrades.
• Lead Time-to-time analysis of FinTech Applications and recommend operational capability improvements.
• Process automation using PowerShell Scripting.
• Lead external and Internal Audits with all necessary evidence handy.
• Lead Application Migration, on-boarding & off-boarding of clients.
• Lead DR Drill activities to ensure smooth recovery of applications in case of disasters.
• Provision services on Microsoft Azure Cloud using Terraform to host business critical applications.
• Design & develop CI/CD pipeline for server deployment using Jenkins.
• Maintain Central Document repository with procedures and standards.
• Lead the SRE team of 8 members - remote and on-site.
• Windows & Linux system administration - upgrades, patch deployments,
.

Company industry:
IT Services

Enterprise Technical Support Engineer

October 2013 - August 2014

Microsoft India [GTSC]

Bengaluru, India

October 2013 - August 2014

• Delivered remote support for Microsoft Enterprise wide clients on Windows Server technologies, Microsoft Cluster technology, including install/ troubleshoot and maintenance, root cause analysis of cluster issue.
• Troubleshoot & resolve No Boot/BSOD issues for Windows server and client machines, Boot sector error diagnostics and resolving bug checks, VSS Stack issues, SCCM OS Patch issues.
• Managed about 4-5 critical situation calls per day.
• Handled Microsoft Windows Activation KMS/MAK issues, experience on Backup, Storage & Disaster Recovery Technologies, Deployment using Windows Deployment Services and MDT, Memory Management, Windows Registry.

Company industry:
IT Services

Technical Support Analyst

October 2009 - June 2013

Mphasis, an HP Company

Mangalore, India

October 2009 - June 2013

• Employed advanced troubleshooting and expert application knowledge to solve system user interface problems.
• Active Directory users and policy management, Enterprise-wide applications, hardware, and software installations; Configure and administer Outlook accounts.
• Networking (LAN/WAN) troubleshooting, Blackberry and iPhone Enterprise support, operational support in response to monitoring alerts and resolve issues in timely manner.
• Managed over 25 customer calls per day.
• Acted as reliable Subject Matter Expert (SME) by providing prompt and accurate expertise to other support agents.

Company industry:
IT Services

Education

Visvesvaraya Technological University

June 2009

June 2009

Bachelor's degree, Bachelor's degree in Computer Science & Engineering (B.E),

India

Skills

DNS administration
Expert
DNS administration
Expert
Clustering
Expert
Clustering
Expert
Active Directory
Expert
Active Directory
Expert
IT Technical Support
Expert
IT Technical Support
Expert
Windows Server 2008
Expert
Windows Server 2008
Expert
KUBERNETES/DOCKER
Intermediate
KUBERNETES/DOCKER
Intermediate
Incident Response & Management
Expert
Incident Response & Management
Expert
LINUX
Expert
LINUX
Expert
MANAGEMENT
Expert
MANAGEMENT
Expert
MICROSOFT WINDOWS
Expert
MICROSOFT WINDOWS
Expert
MVS (OS)
Expert
MVS (OS)
Expert
SYSTEM ADMINISTRATION
Expert
SYSTEM ADMINISTRATION
Expert
ACTIVE DIRECTORY
Expert
ACTIVE DIRECTORY
Expert
Prometheus, Grafana, Splunk Monitoring solutions.
Expert
Prometheus, Grafana, Splunk Monitoring solutions.
Expert
Microsoft Azure Administrator [AZ-104] trained.
Expert
Microsoft Azure Administrator [AZ-104] trained.
Expert
CI/CD Pipeline using Jenkins.
Expert
CI/CD Pipeline using Jenkins.
Expert
Python programming
Intermediate
Python programming
Intermediate
Windows & Linux Support
Expert
Windows & Linux Support
Expert
DNS administration
Expert
DNS administration
Expert
Clustering
Expert
Clustering
Expert
Active Directory
Expert
Active Directory
Expert
IT Technical Support
Expert
IT Technical Support
Expert
Windows Server 2008
Expert
Windows Server 2008
Expert