Oliver F.

Manager Projects | Messaging & Linux

Kolkata, West Bengal, India

About

I have 17 years’ experience in IT. As a part of this, I have handled upto L3 tasks related to Office 365 & Domino Server support, I have also worked on Linux as L2. Also have exposure to Azure AD. Key Skills:  Working on Power shell commands  Administration of Office 365 Tenants  Working on E-Discovery Requests.  Creation of Shared Mailbox, Resource Mailbox and DL creation.  Creating change request for the activity performed on O365.  Troubleshoot failed Migration issues related to O365.  Troubleshoot and resolve On-Prem Cloud Email issues in Hybrid Environment.  Working on Email Recall in O365.  Configuring Retention Policy and Legal Hold.  Creation / Modification and deletion of Server documents, Connection document, Program documents, Mail-in-database, etc.  Monitoring of all server and space issues. Monitor the mail system at regular intervals for pending mail to ensure prompt mail Delivery and take proper action whenever required  Troubleshooting all servers (mail, messaging and application).  Working on email failure’s NDR.  Maintenance of SMTP server for Inbound and Outbound to the External users. Iron mail for monitoring the external E-mails.  Working on Gateway like, Cisco Iron Port, Mimecast. for mail routing issue like mail delay, mail lost (internal and external). Upgrading server’s when required  Checking of domino server alerts like insufficient disk, CPU utilization, Inconsistency alerts for databases.  Group creation, modification and deletion, mail-in-database, web mail server modification, connection document, cluster configuration through a designated ticketing system.  Premier user and Normal user migration from one server to other server within the same domain and different domain.  Maintenance of all servers like dead mail, log file, global directory catalog etc.  Exporting all the Report from lotus database like Mail Box Size on the server, Mail Purging  Our Servers are on AIX, Linux and Windows Platform expects application servers, Immediate checking for abrupt server shutdown & crash.  Whitelisting of IP address for other domains, TLS enable for end to end security on McAfee, Axway, Mimecast & Cisco Iron port Servers.  Performing user mailbox restoration upon request  Installation, configuration, patching & administration and maintenance of Linux OS.  File System administration, Control & manage disk space usage.  Have worked with file and directory permissions and FACL.  Knowledge of LVM (Logical Volume Manager).  Creating Swap space as and when needed.

Experience

  • Cognizant (11 yrs 7 mos)
    • Manager - Projects
      Aug 2022 - Present · 3 yrs 11 mos

    • Associate Operations Manager
      Dec 2014 - Aug 2022 · 7 yrs 9 mos

      Current Responsibilities  Working on Power shell commands  Administration of Office 365 Tenants  Creating change request for the activity performed on O365.  Creation / Modification and deletion of Server documents, Connection document, Program documents, Mail-in-database, etc.  Monitoring of all server and space issues. Monitor the mail system at regular intervals for pending mail to ensure prompt mail Delivery and take proper action whenever required  Troubleshooting all servers (mail, messaging and application).  Maintenance of servers (mail server, sametime server & application) on every weekend.  Maintenance of SMTP server for Inbound and Outbound to the External users. Iron mail for monitoring the external E-mails.  Auto Reply agent setup, Out of Office and Other agents related issues.  Checking of domino server alerts like insufficient disk, CPU utilization, Inconsistency alerts for databases.  Group creation, modification and deletion, mail-in-database, web mail server modification, connection document, cluster configuration through a designated ticketing system.  Premier user and Normal user migration from one server to other server within the same domain and different domain.  Maintenance of all servers like dead mail, log file, global directory catalog etc.  Exporting all the Report from lotus database like Mail Box Size on the server, Mail Purging  Our Servers are on AIX, Linux and Windows Platform expects application servers, Immediate checking for abrupt server shutdown & crash.  Iron mail (McAfee) log checking for mail routing issue like mail delay, mail lost (internal and external). Upgrading server’s when required.  White listing of IP address for other domains, TLS enable for end to end security on McAfee, Axway, Mimecast & Cisco Iron port Servers.  Manage the Lotus Notes Database on Server, in terms of ACL, Replication.  Performing user mailbox restoration upon request

  • Lotus Domino Administrator, Sr System Engineer at Zensar Technologies
    Feb 2014 - Nov 2014 · 10 mos

    Responsibilities That I can Handle  Installation, configuration, patching & administration and maintenance of Linux OS.  File System administration, Control & manage disk space usage.  Have worked with file and directory permissions and FACL.  Knowledge of LVM (Logical Volume Manager).  Creating Swap space as and when needed.  Knowledge of VI editor and Crontab for job scheduling.  Installation, configuration of yum tool.  Executing LINUX commands to carry out file specific activities like FTP, SSH, copy, move.  Setting up/configuring DNS, DHCP, bonding etc.  File Server (NFS and SAMBA).  Setting up Web Server (APACHE). LDAP client configuration  Firewall (IP Tables). SSH, Telnet.  Performance Monitoring – Using tools like top, topas, sar, vmstat etc.

  • System Administrator at HSBC
    Aug 2008 - Feb 2014 · 5 yrs 7 mos

     Register the New server and configure the server as per the company requirement note.  Creation / Modification and deletion of Server documents, Connection document, Program documents, Mail-in-database, etc.  Monitoring of all server and space issues.  Troubleshooting all server’s (mail, messaging and application).  Maintenance of servers (mail server, sametime server & application) on every weekend.  Maintenance of SMTP server for Inbound and Outbound to the External users. Ironmail for monitoring the external E-mails.  Auto Reply agent setup, Out of Office and Other agents related issues.  Checking of domino server alerts like insufficient disk, CPU utilization, Inconsistency alerts for databases.  Group creation, modification and deletion, mail-in-database, web mail server modification, connection document, cluster configuration through a designated ticketing system.  Premier user and Normal user migration from one server to other server within the same domain and different domain.  Maintenance of all servers like dead mail, log file, global directory catalog etc.  Exporting all the Report from lotus database like Mail Box Size on the server, Mail Purging

  • Senior Executive at Wipro
    Mar 2006 - Aug 2008 · 2 yrs 6 mos

    Tech Support for HP