Ariful Islam Email & Phone Number

Switzerland

• Responsible for the application deployment in production and dev environment in onprimise Kubernetes cluster, troubleshooting operations, including regular and scheduled tasks.• FreeSwitch and Kannel management, configuration, troubleshooting and testing call and SMS delivary.• Performing installations, maintenance, upgrades, and patches.• Log analysis using Graylog.• Troubleshooting emergencies/incidents.• Preparing and maintaining documentation (configurations, operations, and troubleshooting procedures)• Supporting production environments leveraging Proxmox solutions;• Participating in post-mortem and root cause analysis;• Participating in evaluation of new requirements; technical designs, the definition of standards, guidelines, best practices, and metrics as required;Technology Using: Docker Swarm, Kubernetes, Rancher, Graylog, GitOps tools.

• Responsible for the proper daily troubleshooting operations of the Linux and Windows systems, including regular and scheduled tasks.• Performing installations, maintenance, upgrades, and patches.• Log analysis for Monit, Apache/Nginx, MySQL, ZFS, and Replication.• Troubleshooting emergencies/incidents.• Preparing and maintaining documentation (configurations, operations, and troubleshooting procedures)• Supporting production environments leveraging AWS, Azure, and VMWare solutions;• Participating in post-mortem and root cause analysis;• Participating in evaluation of new requirements; technical designs, the definition of standards, guidelines, best practices, and metrics as required;• Answering user’s queries and service requests;Technology Using: CentOS, Software RAID, AWS, Azure, VMWare, ZFS, Apache, Nginx, MySQL, Apache NiFi, Monit.

Remote

• Provided support to the team member in delivering backend services with low latency, and scalability.• Maintained and administered monitoring tools, while reporting on metrics to give insight into the health of the overall infrastructure.• Wrote and maintained custom Bash and Python scripts for taking backups and lower the human intervention time.• Defined, documented, and evangelized best practices with the team.• Provided technical services and support for server systems, cloud, network infrastructure. • Management includes MySQL Galera Cluster, Custom compiled nGinx, PHP-FPM, Zabbix, AWS.

• Maintain and manage mission-critical highly available physical and cloud infrastructure• Design and deploy cloud networking within AWS, Azure, GCP, OpenStack, RackSpace • Resolve unplanned incidents• Implement and maintain monitoring systems using Nagios, Cacti, Zabbix, Monit• Document аnd mаіntаіn accurate installation аnd рrосеdurе guides.• Identify thе саuѕе of hаrdwаrе аnd ѕоftwаrе fаіlurеѕ аnd provided соrrесtіvе action tо rectify the рrоblеm.• Manage and provide AWS, Azure, GCP, OpenStack, RackSpace cloud support• Prоvіdе ѕuрроrt to оthеr buѕіnеѕѕ unіtѕ іn the соmраnу аѕ dіrесtеd by IT mаnаgеmеnt.• Manage and administer North American and European client's infrastructure and Linux-based systems remotely. Services include: o Linux (Redhat EL, CentOS, Ubuntu/Debian, Gentoo, FreeBSD) o Database (MySQL, Postgres, MongoDB) o Apache, Nginx, Apache NiFi o High Availability, Fault Tolerance, Redundancy, Scalability (Web/Application Cluster) o Scripting (BASH, Python), deployment automation (Ansible, Dockers, Jenkins) o Cloud computing (AWS, OpenStack, VMware, Azure, Rackspace, Google GCP) o Monitoring (Nagios, Zabbix, Monit Cacti) o Tracking and Management

Dhaka