Professional Experience
November 2022 - Present
Cioplenu GmbHSenior Infrastructure Engineer
- Microsoft azure cloud infrastructure administration for SaaS product
- Azure Kubernetes cluster management
- Helm chart design and implementation for SaaS product
- Automated build and artifact delivery system with Jenkins
- Automated deployment of Kubernetes resources with ArgoCD
- Kubernetes metrics monitoring with Prometheus and Grafana
- Logs handling with Elastic cloud Elasticsearch
- Kubernetes secret management with external secret operator and azure workload identity federation.
June 2022 - October 2022
Deutsche Börse AGSenior DevOps Engineer
- Service management for microservice-based software deployment
- Kubernetes cluster (EKS) management in AWS
- Maintain and create new Helm charts
- Automatic infrastructure deployment and provision with Terraform
- CI/CD pipeline management with Circle CI, Concourse and ArgoCD
- Infrastructure Monitoring with Cloudwatch
June 2021 - May 2022
Risk Ident GmbHDevOps Engineer
- Platform service management for microservice based software deployment
- Kubernetes cluster management
- Maintain and create Helm charts
- Infrastructure configuration management with Ansible
- Automatic infrastructure provision [Infrastructure as Code (IaC)] with Terraform
Nov 2018 - May 2021
NTT Germany AG & Co. KGDevOps Engineer
- Project planning with proper guidance on system options, risk, impact and cost vs. benefit
- Developed distributed REST API solutions for complex s/w and h/w eco-systems
- Implemented development to production CI/CD pipeline with Jenkins
- Implemented code quality and security management system (SonarQube)
- Ensuring code quality and quality gates
- Designed and implemented binary management system (JFrog Artifactory)
- Containerization with Docker and container orchestration with Kubernetes
- System and Application monitoring with Prometheus and Grafana
- Log management with Splunk
May 2017 - Nov 2018
Fraunhofer FOKUSDevOps Engineer
- Implementation and configuration of SALTSTACK in virtual machines
- Create custom SALTSTACK formula, module, grains and pillars
- Implement reverse proxy and load balancing with NGINX
- Create user-defined parameters for ZABBIX agent
- Write shell and python automation scripts
- Network automation using Saltstack and NAPALM
- Write automation modules for configuring low level managed network switches
Jul 2013 - Jul 2015
Banglalink™ Digital Communications Ltd.QoS Associate Engineer
- Developed back end data processing software using Python
- Developed front end web application for visualizing data & report generation
- Automated system wide tasks for in-house and FTP servers using Python
- Created KPI formula & database structures
- Created MySQL database schema & queries for data processing
- Administrated RHEL & Debian based Linux servers (60+ HP G7)
Mar 2012 - Jun 2013
Banglalink™ Digital Communications Ltd.Performance Jr. Engineer
- Administrated RHEL & Debian based Linux servers (60+ HP G7)
- Automated tasks for in-house servers using Python & Java
- Created and administrated Oracle 10g database for user based data
- Troubleshooted Windows 2012 servers for H/W or S/W problems
- Created network topology for network optimization servers
- Maintained, updated & extended in-house softwares developed in Java
Programming Skills
Python
85%
Shell Scripting
70%
C
60%
Container Orchestration
Kubernetes
85%
Helm
80%
Infrastructure as Code (IaC)
Terraform
85%
Ansible
85%
Cloud Administration
Microsoft Azure
60%
Amazon Web Services (AWS)
75%
Google Cloud Platform (GCP)
55%
Automation
Jenkins
95%
SonarQube
85%
JFrog Artifactory
85%
Sonatype Nexus3
80%
VCS Administration
Gitlab
85%
GitHub Enterprise
80%
Gitea
90%
Language Skills
Bangla
98%
English
90%
German
15%