Experience

• 

  The daily samakal (news paper)

  Sept 2005 - Jun 2006

  Asst. system engineer

  Major Responsibilities:- Managing Active Directory users and groups- Manage Server Services – File, Mail, Web, MySQL, Proxy - User Support for IT related issues- Manage all networking equipment’s

• 

  Ibais university

  Jun 2006 - Jan 2007

  Asst. system administrator

  Major Responsibilities:- Managing Active Directory users and groups, - Manage Server Services – File, Mail, Web, MySQL, Proxy - Administering Network Switches, DSL Modems & other network equipment’s. - Backup Oracle Database server and File Server. - Procurement and take decision all system maintenance.

• 

  Grameenphone ltd

  Jan 2007 - Mar 2010

  System engineer

  Major Responsibilities:- Administration of all Unix Servers (Solaris) & Linux Servers of Grameenphone (Up to L3 Support)- Backup : EMC Networker Administration- Vendor Communication- Project Implementation Support Projects:1. Billing (BSCS IX) - 2007 - Grameenphone Implement Telco Billing Application and Database for Grameenphone postpaid subscriber - Sun Microsystems E25K and E6900 Server Commissioning- Cluster architecture Design & Configuration- Unix Systems administration (Operations)2. Disaster Recovery - 2007~2009 - GrameenphoneDisaster recovery project for Grameenphone business continuity -Sun Microsystems E25K Server Commissioning @ Savar-Disaster Recovery planning-DR readiness for application -Document managing-Responsible for Deputy Project Manager -All Unix Systems administration @ DR Site (Operations)3. LTA (CRM) - 2009 - Grameenphone CRM Implementation for Grameenphone Ltd. -Sun Microsystems M9000, T-Series & X-Series Server Commissioning-Cluster architecture Design & Configuration-Unix Systems administration (Operations) Show less

• 

  Gpit

  Apr 2010 - Dec 2013

  Specialist - unix/linux system administrator

  Major Responsibilities:- Working as Senior Unix Administrator in Sever, Storage & Backup Management Team (Team Manage around 450+ Severs and Virtual infrastructure, Enterprise class storage & backup systems) - Senior Unix/Linux Administration of All Unix Servers (Sun Solaris) & Linux Servers of Grameenphone - Maintain and renewal of Annual maintenance contract (AMC) with different vendor- Project & Audit Support- Responsible for Incident, Problem and Change management of server systems- Maintain Server systems SLA and Critical incident support- Ensure support for Oracle Exadata and Exalogic Appliance Projects:1. NERM - 2010~2011 - GrameenphoneNetwork equipment repository management for all network elements. All related information along with configuration will be stored -Sun Microsystems M5000, T-Series & X-Series Server Commissioning-Solaris Container Design & Configuration-Unix Systems administration (Operations)2. White Cloud - 2010~2011 - GrameenphoneVirtualized Platform for Grameenphone IT. 100+ physical servers are migrated in to virtual host in 9 servers. -Server Procurement -System Migration (Physical to Virtual host)-VMware Infrastructure readiness3. Data Center Shifting - 2011~2012 - GrameenphoneShift all DC systems to New DC in Savar (35 Kilometer from Dhaka City) -Initial Planning & H/W Inventory Preparation-Shifting Mission Critical Sun Servers with minimum downtime with agreed service uptime. Show less

• 

  Accenture

  Jan 2014 - Nov 2017

  Working as a Manager (Linux Tower Lead) of Linux system administrators where the team manages large scale (1300+) Linux telecom/IT servers 24x7 across 4 different countries (Bangladesh, Malaysia, Thailand & Pakistan) remotely.Major Responsibilities:- Manage Major incident management of Linux servers and provide L3 support- Ensure SLA/KPI for server systems service delivery - Ensure Servers Availability 99.9% in 7 data centers- Ensure Change Implementation successes up to 100%- RCA and Problem management for critical technical cases- Manage infrastructure related project deliverables for server systems- Prepare regular operational reports & Capacity planning of the server systems- Internal/External Audit Support for Infrastructure- Unix/Linux/Cloud(AWS)/Virtualization Infrastructure Technical implementation/Migration Consultancy - Develop the resources for Critical Delivery- Manage a large team of system administrators (12+)- Patch management of Linux/Unix servers- Responsible for all kind of Linux distribution – Redhat , Suse, Ubuntu, Debian, Amazon Linux and others- Manage subscription for large scale server systems- Use Automation (Ansible) to manage large scale server systems. - Handle client escalations- Experience in AWS Technologies – EC2,S3,VPC,EBS,ELB,EFS,Glacier,RDS,DynamoDB,Cloud Watch and others- Responsible for New systems handover/service introduction of server systems- Responsible for Technical interview of the new resources- 24x7 Engineer availability planningProjects:1. TITA (Nucleus) - 2014 ~ 2017 - Grameenphone (Bangladesh), DiGi (Malaysia), DTAC (Thailand), Telenor Pakistan Infrastructure Operation of different Telenor Business Unit in Asia -Transition from Business Unit-Operational responsibility of 1300+ Linux systems-Incident handling and change management of server systems-Ensure server systems availability-Lead the Linux Systems admin Team Show less Major Responsibilities:- Working as Team Lead in Sever, Storage & Backup Management Team (Team Manage around 450+ Severs and Virtual infrastructure, Enterprise class storage & backup systems) - Administration of Linux(RHEL)/Unix Servers (Sun Solaris), Windows Servers, VMware, Citrix Infrastructure- Maintain and renewal of Annual maintenance contract (AMC) with different vendor- Vendor Communication and alignment- Maintain SOX\ISO(20000 & 27001) Standardization including managing services, security & changes - Resource planning and solution architecture for Projects- Managing and coordinating of H/W procurement with Sourcing - Managing Licenses, Support & Maintenance- Multi-Vendor Servers deployment and managing - Planning Long Term Strategy for server technology and Virtualization - High Availability and Cluster(Sun, Windows, VMware) Administration- Disaster Recovery operation, drill test and maintain related documentation - Planning and implementation of periodic OS patch deployment with roll back option- Incident management and reporting- System Load, Performance and utilization monitoring as well as resource optimization- Central OS and Systems configuration backup management- Experience in managing ZFS, VERITAS Volume Manager, LVM, Solaris Volume Management - Virtual infrastructure administration (Cirtix Xen Server, VMware ESX/ESXi, XenCenter, vCenter)- Experience in Managing Enterprise Class H/W - Sun Microsystems (Oracle Sun – E25K, M9000, E6900, E4900 & Blade Servers), HP and dell Server Systems.Projects:1. DMS, CMS & LI - 2013~2014 - GrameenphoneDistribution Management System, Location Intelligence and Commission management Systems -Planning & Designing-Detail H/W Dimensioning-Server Commissioning-System Integration Show less

  • Infrastructure Delivery Associate Manager

    Mar 2015 - Nov 2017

  • Infrastructure Team Lead

    Jan 2014 - Feb 2015
• 

  Cloudcreative ltd

  Dec 2017 - Dec 2019

  Co-founder & head of cloud services

  Working as a Head of Cloud Services on CloudCreative. CloudCreative is a Cloud Computing, Bigdata and IoT support organization provides consultancy, migration and manage services for local and global clients. Major Responsibilities:- Cloud (AWS, Azure, Google Cloud, Openstack) Architecting/Implementation/Migration/Consultancy - Ensure cloud Infrastructure services up-time for the clients- Manage Incident Management of cloud infrastructure- Use Automation (Ansible/Chef/Puppet) to manage deployments - Responsible for Manage Public and Private Cloud Infrastructure- Operational reports & capacity planning of the cloud infrastructure- Bigdata and IoT consultancy and implementation - Develop the resources for critical technical delivery- 24x7 Engineer availability planning for manage services Show less

• 

  Bongo

  Dec 2019 - now

  Principal site reliability engineer

  Working as a Principal Site Reliability Engineer at Bongo. Bongo is the leading video on demand platform for bangla content around the globe. Major Responsibilities:1. Lead the Site Reliability Engineer and DevOps Team2. Manage the large scale AWS cloud Infrastructure and services3. Ensure all sites/systems availability4. DevOps and service deployment7. Client Communication for Technical Issues5. Manage the On-premises servers, storage and network devices6. Ensure the CDN functionality 7. Planing for IT Infra and Cloud8. Prepare IT budget and Procurement of IT resources9. Technology and services: amazon web services: Compute, EKS, RDS, elasticache, opensearch, IAM, cloudwatch, SQS, SNS, DMS, lambda, Linux, Kubernetes Clusters, Postgresql, MongoDB, gitlab, terraform, Vmware, nginx content caching, Live streaming using rtmp/SRT and HTTP live streaming (HLS), video transcoding, grafana, Prometheus, new relic, sentry and many more... Show less