SYED PARVEZ ZAFAR

• Performing Security Patching on CA Layer 7 API Gateway
• Monitoring the Gateway through Dynatrace Appmon Tool
• Troubleshooting Appmon issues in Dynatrace Appmon Tool
• Taking Backup of Layer 7 Gateway through vmware Vsphere Client Tool
• Preparing KPI Report on a daily basis
• Rebuilding Database replication issue
• Experience in supporting production applications with change management and incident management
• Troubleshooting Application issues by capturing logs in real time using Gateway Audit Events
• Enabling and Disabling Splash Page in Policy Manager during FO release
• Enabling and Disabling Splash Page in Policy Manager during eSuite release
• Providing support during End of Month activity and troubleshooting issues observed during End of Month activity
• Developing API Proxy using Apigee Tool
• Creating an API Proxy using the OpenAPI Spec
• Add a VerifyAPIKey policy to API Proxy
• Creating an API product for proxy
• Creating an App Developer
• Creating an App
• Knowledge of VerifyAPIKey Policy, Spike Arrest Policy, Quota Policy
• Build the new API’s with security, traffic management and extension policies which includes Spike arrest, quota, verify API key, Access control, OAuth, JSON to XML and XML to JSON, Assign variables, extract variables etc
• Actively involved in production support through debug trace console on APIGEE
• Strong understanding of RESTful API Principles and best practices
• Architected and deployed AWS solutions for large-scale clients to improve system efficiency by 40% utilizing diverse AWS services such as EC2, VPC, and S3.

• Configure the Software Gateway
• Configure a Gateway Cluster
• Configuring Cluster Database Replication
• Checking replication status, monitoring replication failure and rebuilding replication
• Configuring the first and then subsequent processing nodes
• Configuring Name Resolution
• Starting the gateway cluster
• Deactivating a cluster node
• Splitting a cluster
• Installing and managing gateway license to policy manager
• Upgrading the appliance gateway
• Upgrading the software gateway
• Patch an Appliance gateway
• Patch a software gateway
• Install policy manager
• Creating LDAP Identity providers
• Creating an internal identity provider
• Force administrative password reset
• Manage Administrative User Account Policy
• Configuring global single sign on endpoints
• Creating and managing private keys
• Creating Listener ports
• Installing and managing certificates
• Binding Private keys to certificates
• Generating Certificate Signing requests (CSR) from Private keys
• Exporting and Importing Certificates
• Binding Listener ports to private keys
• Managing cluster wide properties
• Create and test JDBC connectivity
• Manage Kerberos configuration
• Upload and authenticate key tab files
• Manage listen ports as per security requirements
• Create and manage log/Audit Sinks
• Uploading and managing server module files
• Manage stored passwords
• Enable or disable logging into gateways
• Collect all relevant logs for a particular hit related to the user or application
• Exporting and importing policies
• Knowledge of Web APIs, REST, XML, JSON, Internet/network security standards (OAUTH, OpenID Connect, JWT and API Keys)
• Basic knowledge of MYSQL database
• Monitoring the Gateway through Dynatrace Appmon Tool
• Developing API Proxy using Apigee Tool
• Creating an API Proxy using the OpenAPI Spec
• Add a VerifyAPIKey policy to API Proxy
• Creating an API product for proxy
• Creating an App Developer
• Creating an App
• Architected and deployed AWS solutions for large-scale clients to improve system efficiency by 40% utilizing diverse AWS services such as EC2, VPC, and S3.

• Worked as an Informatica Dev-Stage Administrator and performed the following tasks on day-to-day activities
• ETL Code moves from Dev to Stage Environment using Scripts
• ETL Code moves from Stage to Production Environment using Scripts
• Checking the logs in case of ETL Code move failure and resolving the issues
• Providing Native and LDAP access to SSO for Informatica server using Admin Console
• Providing read, write and execute permissions on folders in Informatica server using Repository manager
• Performing folder validation using Repository manager
• Assigning Integration service to workflow using Workflow manager
• Attending Calls with Clients on a daily basis and discussing the major issues and resolving the issue
• Performing Root Cause Analysis on major issues
• Raising Ticket with Informatica Vendor on critical issues
• Attending Calls with Informatica Vendors on critical issues
• Monitoring and acknowledging New Relic Alerts
• Clearing disk space by deleting Workflow Logs, Session Logs, Bad Files and Cache files
• Bringing up the Informatica services in Informatica server post failure of Informatica services
• UNIX files migration from Dev to Stage and from Stage to Production servers
• Adding TNS Entry in Dev, Stage and Production servers
• Adding ODBC Entry in Dev, Stage and Production servers
• Creating Oracle Relational connection in Dev, Stage and Production servers
• Creating ODBC connection in Dev, Stage and Production servers
• Recycling Integration service for Informatica server using Admin Console
• Decommissioning Integration service for the Workflow as per user requirements
• Workflow scheduling task as Run on Demand
• Working on Planned outage tasks in Informatica server during Outage window and informing the users at regular intervals till the completion of outage
• Working on Unplanned outage tasks in case of sudden failure in Informatica services
• Checking the Informatica logs, fixing the issues and informing the users at regular intervals till the completion of outage.

Datacenter dedicated for the LHC (Large Hadron Collider) Project, CERN. Entire Infrastructure compute and analyzes the raw data and then stores data for the LHC Project, CERN.

Worked in a team as a Linux system administrator and responsible for managing Cluster Infrastructure of 100+ servers in data center processing the raw data generated from LHC.

• Managing Cluster Infrastructure of more than 100 Linux (RHEL, SLC) based Servers.

• Monitoring Infrastructure Network through MRTG (Multi Router Traffic Grapher).

• Installing/ updating Linux OS on servers.

• Weekly Backup for the servers using command line utility.

• Troubleshooting Network Services Problems Such as Service failures, Configuration Errors and Permission Errors.

• Disk Management, LVM, and Disk partitioning using tools like fdisk.

• File Permission, ACL and SElinux.

• Firewall Configuration/IP Tables.

• Monitoring the whole infrastructure through a central monitoring site (pcalimonitor.cern.ch).

• Monitoring Infrastructure through NAGIOS Monitoring tool.

• Monitoring Infrastructure through Ganglia Monitoring tool.

• Raising tickets with vendors for hardware replacement.