Hojat Gazestani, Senior Cloud engineer

Hojat Gazestani

Senior Cloud engineer

Nethightech

Location
Iran - Tehran
Education
Bachelor's degree, Information security
Experience
10 years, 1 Months

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Work Experience

Total years of experience :10 years, 1 Months

Senior Cloud engineer at Nethightech
  • Portugal
  • My current job since May 2023

- 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.

Senior DevOps engineer at Noorano
  • Iran - Tehran
  • December 2022 to May 2023

- 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.

Lead Cloud Engineer at ArcFava
  • Iran - Tehran
  • September 2021 to December 2022

- 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.

DevOps Engineer at Mahsan
  • Iran - Tehran
  • April 2020 to May 2021

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.

Information Technology System Network Administer at Kerman Water & Wastewater
  • Iran - Kerman
  • May 2016 to April 2020

- 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.

System Administrator And Network Administrator at Regional Water Authority
  • Iran - Kerman
  • January 2015 to February 2016

- 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.

Python Developer Intern at ArasDiba
  • Iran - Kerman
  • February 2013 to March 2014

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

Education

Bachelor's degree, Information security
  • at University of Applied Science and Technology (UAST)
  • June 2018

I learn how to manage sensitive information stored online or otherwise electronically. With the increasing amount of technology used in business every day. Data encryption and encryption algorithm.

Specialties & Skills

Languages

Persian
Native Speaker
English
Expert

Training and Certifications

AWS S3 Basics (Certificate)
Date Attended:
April 2022
AWS Cloudfront: Serve content from multiple S3 buckets (Certificate)
Date Attended:
February 2022
Google Cloud Fundamentals: Core Infrastructure (Certificate)
Date Attended:
February 2022
Exam Prep: AWS Certified Solutions Architect – Associate (Certificate)
Date Attended:
May 2022
Introduction to Containers w/ Docker, Kubernetes & OpenShift (Certificate)
Date Attended:
August 2023
AWS Cloud Technical Essentials (Certificate)
Date Attended:
August 2023