Hojat Gazestani

- Developed a scalable service on AWS, utilizing Amazon EC2 Auto Scaling for automated resource management,
and enhanced reliability through Amazon Elastic Load Balancing, using Amazon S3 as object storage and
DynamoDB as database. Implement monitoring service using Amazon CloudWatch, ensuring real-time
performance monitoring and proactive issue resolution.
- Designed and implemented AWS EKS Kubernetes cluster provisioning using Terraform as a code solution (Code
on GitHub), significantly reducing infrastructure deployment time by 60% and increasing infrastructure scalability
by 50%.
- Successfully set up a Kubernetes cluster using Kubespray, employing Bash scripts to bootstrap a WordPress Helm
chart application integrated with MySQL and PhpMyAdmin on the cluster. (Github repository)
- Completed HAProxy Training Course, documented and made configurations accessible via GitHub, and created
training videos accessible through my YouTube channel. (RestAPI, Django used as simple backend application)
- Designed and implemented a CI/CD pipeline for a Kubernetes-based microservices architecture from scratch,
utilizing ArgoCD and Jenkins to streamline application deployment and delivery processes.

- Implemented highly available and secure networking infrastructure, incorporating Kubernetes and VXLAN.
- Designed and deployed centralized logging and monitoring systems using Graylog and Zabbix, enabling real-time
application insights and proactive troubleshooting.
- Collaborated with cross-functional teams to ensure seamless integration of CI/CD tools like Argocd and Jenkins,
along with Helm for streamlined application deployments.

- Designed and built a flexible Infrastructure using OpenStack and Ceph, resulting in improved network
management.
- Implemented OpenDaylight as a Software-Defined Controller, enhancing network functionality and optimizing
traffic flow.
- Assisted in conducting requirements analysis for Cloud infrastructure and contributed to the technical aspect of
the business plan, incorporating Helm for managing Kubernetes deployments.

Mahsan
- Improved Python unit tests in the Jenkins CI/CD cycle, optimizing code management and productivity by 100%.
- Automated synchronization between Netbox and vCenter using Python, leading to a 100% growth in monitoring
processes.
- Implemented monitoring utilities such as Zabbix, Grafana, Prometheus, cAdvisor, InfluxDB, and Telegraf,
resulting in an 80% improvement in SLA reports and infrastructure analysis.
- Utilized Helm for managing Kubernetes charts, streamlining the deployment and versioning of applications.

- Managed everyday operations and maintained an extensive network and services as an IT Supervisor.
- Implemented image layer using Kubernetes and Docker, saving costs on high-priced storage.
- Redesigned and implemented the core network and edge firewall, resulting in a 50% increase in network
performance and stability.

- Optimized LAN and WAN connections and service security, improving overall efficiency and stability.
- Implemented Layer 2 security measures such as port security, DHCP snooping, ARP inspection, and IP source
guard.

- Developed a core Chat server for a website in Python.