Mazen is available for hire
Hire MazenMazen Elzanaty
Verified Expert in Engineering
DevOps Engineer and Software Developer
Port Said, Port Fouad, Port Said Governorate, Egypt
Toptal member since October 18, 2021
Bio
Mazen is a senior DevOps engineer with eight years of proven experience in designing, automating, and optimizing mission-critical deployments across cloud and on-premises environments. He specializes in building scalable infrastructure and CI/CD pipelines, implementing IaC, and driving DevOps strategies to enhance system reliability and efficiency. Mazen excels at managing complex environments, ensuring high availability, and automating workflows to support business objectives.
Portfolio
Container Exchange Services - Main
Kubernetes, DevOps, Containers, Terraform, Amazon EKS, Linux...
Dell
Jenkins, Jenkins Pipeline, Linux, Red Hat Linux, Red Hat Satellite, GitHub...
DXC Technology
Bash, Amazon RDS, Amazon Elastic Container Registry (ECR), Kubernetes...
Experience
- Bash - 8 years
- Linux - 8 years
- DevOps - 8 years
- Docker - 7 years
- Kubernetes - 7 years
- CI/CD Pipelines - 7 years
- GitOps - 2 years
- Azure DevOps - 2 years
Availability
Part-time
Preferred Environment
Linux, Kubernetes, Python, Bash, Azure DevOps, GitLab CI/CD, Amazon Web Services (AWS), Containerization, Cloud Migration, Amazon EKS
The most amazing...
...work I've done is automating a multi-cloud CI/CD pipeline for a global eCommerce platform, reducing deployment time by 70% and ensuring 99.9% uptime.
Work Experience
Senior DevOps Engineer
2021 - PRESENT
Container Exchange Services - Main
- Administered Oracle Kubernetes Engine (OKE) and Amazon EKS clusters while implementing GitHub Actions and ArgoCD for scalable, secure, and automated CI/CD pipelines.
- Managed AWS RDS and Oracle ATP databases, ensuring robust backup, recovery, and disaster recovery processes while maintaining compliance with GDPR and HIPAA regulations.
- Architected secure, scalable, and compliant infrastructure across Oracle Cloud and AWS using Terraform and Crossplane, establishing secure multi-cloud connectivity with Megaport.
- Configured Prometheus, Grafana, Loki, and Alertmanager integrations for comprehensive monitoring, real-time alerting, and incident response with root cause analysis and corrective actions.
- Designed secure data storage solutions on AWS S3, managed secrets with HashiCorp Vault, and developed serverless architectures using AWS API Gateway and Lambda for high-performance applications.
Technologies: Kubernetes, DevOps, Containers, Terraform, Amazon EKS, Linux, Amazon Web Services (AWS), Networking, VPN, Proxies, AWS Monitoring, AWS WAF, GitHub Actions, PHP, Laravel, Infrastructure
Senior DevOps Engineer
2022 - 2024
Dell
- Worked side by side with developers, product managers, product owners, program managers, and key executives to plan ongoing feature development and product maintenance.
- Implemented a new process and policies for the build process and was involved in auditing. Used Jenkins to build a continuous integration and continuous delivery environment.
- Orchestrated microservices through Kubernetes or OpenShift.
- Provided management, maintenance, monitoring, automation, and infrastructure as code for microservices in an Agile DevOps environment.
Technologies: Jenkins, Jenkins Pipeline, Linux, Red Hat Linux, Red Hat Satellite, GitHub, GitHub API, CI/CD Pipelines, Agile DevOps, Ansible, Vault, Terraform, Bash, Git, DevOps, Amazon Web Services (AWS), Docker, Kubernetes, Red Hat Enterprise Linux, Databases, Containerization, Heroku, Cloud Migration, Ubuntu, SSH, Mail Servers, Nextcloud, Cloud, Debian Linux, Email, Debian, Bash Script, Argo CD, Virtualization, Unix/Linux Virtualization, Helm, Programming, Security, Kubernetes Security, Google Cloud Platform (GCP), Python, Cloud Infrastructure, Go, Amazon EKS, Networking, VPN, Proxies, AWS Monitoring, Azure, AWS WAF, AWS Shield, GitHub Actions, PHP, Laravel, Infrastructure, Vue, WebSockets
DevOps Engineer
2021 - 2022
DXC Technology
- Created and maintained highly scalable, fault-tolerant, multitier AWS environments spanning multiple availability zones using Terraform.
- Used Kubernetes to deploy, load balance, scale, and manage Docker containers with multiple namespaced versions on Amazon EKS.
- Involved in maintaining the IAM user accounts. Actively managed, improved, and monitored the cloud infrastructure on AWS, EC2, S3, EKS, Route 53, VPC, DynamoDB, CloudWatch, and RDS, including backups, patches, and scaling.
- Monitored, built, and deployed software releases and supported production deployments.
Technologies: Bash, Amazon RDS, Amazon Elastic Container Registry (ECR), Kubernetes, Amazon EKS, Bash Script, Terraform, Linux, Ansible, Argo CD, Jenkins, Amazon Web Services (AWS), Apache, Azure DevOps, Docker, CentOS, Red Hat Linux, Cloudflare, Python, GitLab CI/CD, AWS DevOps, Amazon EC2, GitOps, Continuous Integration (CI), Amazon S3 (AWS S3), Git, LEMP, AWS Cloud Architecture, Continuous Delivery (CD), AWS CLI, Amazon Route 53, Site Reliability Engineering (SRE), Site Reliability, DevOps, NGINX, CI/CD Pipelines, Software, Containers, SQL, MongoDB, MySQL, Red Hat Enterprise Linux, Databases, Containerization, Heroku, Cloud Migration, Ubuntu, Bitbucket, SSH, Mail Servers, Nextcloud, Cloud, Debian Linux, Email, Debian, Virtualization, Unix/Linux Virtualization, Helm, Programming, Security, Kubernetes Security, Google Cloud Platform (GCP), Cloud Infrastructure, Go, Networking, VPN, Proxies, AWS Monitoring, Azure, AWS WAF, AWS Shield, GitHub Actions, PHP, Laravel, Infrastructure, Vue, WebSockets
DevOps Engineer
2020 - 2021
Beltone Financial
- Wrote Ansible scripts to automatically install and configure system components, which saved 40% of the time.
- Automated security upgrades by writing scripts; cut vulnerabilities by 15%.
- Set up and managed 30+ Linux servers with 99.9% uptime.
- Managed Azure DevOps repositories and permissions, including branching and tagging.
- Built and deployed Docker containers to help break up monolithic apps into microservices.
Technologies: Bash, Linux, Red Hat Linux, Oracle Linux, NGINX, Azure, Azure DevOps, Docker, Amazon Elastic Container Registry (ECR), Amazon Web Services (AWS), Apache, Amazon RDS, CentOS, Ansible, Terraform, Amazon EKS, Cloudflare, Python, GitLab CI/CD, Amazon EC2, GitHub, GitOps, Continuous Integration (CI), Amazon S3 (AWS S3), Kubernetes, Bash Script, GitLab, Git, LEMP, AWS Cloud Architecture, Continuous Delivery (CD), AWS CLI, Amazon Route 53, Site Reliability Engineering (SRE), Site Reliability, DevOps, CI/CD Pipelines, Jenkins, Redis, Software, Containers, SQL, MongoDB, MySQL, Red Hat Enterprise Linux, Databases, Containerization, Cloud Migration, Ubuntu, Bitbucket, SSH, Mail Servers, Cloud, Debian Linux, Email, Debian, Argo CD, Virtualization, Unix/Linux Virtualization, Helm, Programming, Security, Kubernetes Security, Google Cloud Platform (GCP), Cloud Infrastructure, Networking, VPN, Proxies, AWS Monitoring, AWS WAF, AWS Shield, GitHub Actions, PHP, Laravel, Infrastructure, Vue, WebSockets
DevOps Engineer
2019 - 2020
Root Gate
- Created CI/CD pipelines using Jenkins to cut release times by 20%.
- Managed various services such as EC2, S3 Bucket, Route 53, ELB, and EBS.
- Collected the new technologies and tools and introduced them to the company, which helped build up an agile development environment. It improved the product quantity and work efficiency.
Technologies: Amazon EKS, Amazon Web Services (AWS), Ansible, Zabbix, Site Reliability Engineering (SRE), Site Reliability, Linux, Git, Bash, DevOps, cPanel, NGINX, CI/CD Pipelines, Jenkins, Amazon Elastic Container Registry (ECR), Amazon RDS, DigitalOcean, Redis, Memcached, Software, Terraform, Containers, SQL, MongoDB, MySQL, Docker, Kubernetes, Databases, Containerization, Cloud Migration, Ubuntu, SSH, Mail Servers, Cloud, Debian Linux, Debian, Bash Script, Virtualization, Unix/Linux Virtualization, Programming, Security, Kubernetes Security, Python, Cloud Infrastructure, Networking, VPN, Proxies, AWS Monitoring, Azure, AWS WAF, AWS Shield, GitHub Actions, PHP, Laravel, Infrastructure, Vue, WebSockets
Linux System Engineer
2018 - 2019
Root Gate
- Set up and managed 50 Linux servers with 99.95% uptime, including system security, backup, recovery, network, and repair administration.
- Built and configured RHEL and CentOS over 100 VMs and monitored daily operations of VMware servers.
- Migrated VMware virtual machines to AWS while maintaining availability.
Technologies: DevOps, Linux, Bash, Git, cPanel, NGINX, SMTP, LEMP, LAMP, Red Hat Linux, CI/CD Pipelines, CentOS, Jenkins, Amazon Web Services (AWS), Apache, Docker, Amazon RDS, Ansible, Terraform, Amazon EKS, Cloudflare, Python, GitLab CI/CD, Amazon EC2, CircleCI, GitHub, Continuous Integration (CI), Amazon S3 (AWS S3), Bash Script, GitLab, Continuous Delivery (CD), Zabbix, Site Reliability Engineering (SRE), Site Reliability, DigitalOcean, Redis, Memcached, Software, Containers, SQL, MongoDB, MySQL, Kubernetes, Red Hat Enterprise Linux, Databases, Containerization, Cloud Migration, Ubuntu, SSH, Mail Servers, Cloud, Debian Linux, Email, Virtualization, Unix/Linux Virtualization, Security, Kubernetes Security, Cloud Infrastructure, Networking, AWS Monitoring, GitHub Actions, PHP, Laravel, Infrastructure, Vue, WebSockets
Experience
FindCars
The project involved creating the infrastructure hosted on Amazon EKS with RDS, using S3 and CloudFront.
My task was to create the infrastructure from scratch with Terraform scripts to make it highly available, scalable, and fault-tolerant. I also designed a CI/CD pipeline using Docker layer caching for faster building and releasing.
My task was to create the infrastructure from scratch with Terraform scripts to make it highly available, scalable, and fault-tolerant. I also designed a CI/CD pipeline using Docker layer caching for faster building and releasing.
OnBill
OnBill is an online marketplace that helps retailers provide the best prices for the required products through an instant comparison between the suppliers.
I built the project on microservices architecture with 30+ microservices connected through a service bus. It's deployed on EKS.
I built the project on microservices architecture with 30+ microservices connected through a service bus. It's deployed on EKS.
AWS Cloud Security Improvements
An AWS account security for AWS Identity and Access Management (IAM), Amazon Relational Database Service (RDS), and Amazon Elastic Compute Cloud (Amazon EC2) services by developing a set of security controls.
I configured the ELK stack to ingest the output of running Cloud Custodian and use that data to create reporting dashboards.
I configured the ELK stack to ingest the output of running Cloud Custodian and use that data to create reporting dashboards.
DevOps Engineer
I set up highly available on-prem Kubernetes clusters, ensuring fault tolerance and scalability, and implemented CI/CD pipelines using Bitbucket to automate build, test, and deployment processes. Additionally, I configured comprehensive monitoring and logging systems using Prometheus and Grafana for real-time metrics and alerts, Loki for centralized log aggregation, and Keycloak for secure access control and authentication across the infrastructure.
Education
2015 - 2019
Bachelor's Degree in Information Systems
Suez Canal University - Ismailia, Egypt
Skills
Libraries/APIs
Vue, Jenkins Pipeline, GitHub API
Tools
NGINX, Apache, Amazon EKS, Git, Jenkins, Amazon Elastic Container Registry (ECR), Terraform, Ansible, GitLab, GitLab CI/CD, CircleCI, AWS CLI, Zabbix, Bitbucket, Helm, VPN, AWS Shield, GitHub, RabbitMQ, Red Hat Satellite, Vault, OpenTofu
Languages
Bash, Bash Script, Python, SQL, PHP, Go
Paradigms
DevOps, Azure DevOps, Continuous Integration (CI), Continuous Delivery (CD)
Platforms
Linux, LEMP, LAMP, Docker, Kubernetes, Amazon Web Services (AWS), Amazon EC2, Ubuntu, Debian Linux, Debian, CentOS, Azure, DigitalOcean, Heroku, Google Cloud Platform (GCP), cPanel, Red Hat Linux, Oracle Linux, Red Hat Enterprise Linux
Storage
Amazon S3 (AWS S3), Redis, Memcached, MySQL, MongoDB, Databases, Nextcloud
Frameworks
Laravel
Other
CI/CD Pipelines, Amazon RDS, Argo CD, Cloudflare, Site Reliability Engineering (SRE), Site Reliability, Containers, Containerization, Cloud Migration, SSH, Mail Servers, Cloud, Email, GitHub Actions, Infrastructure, Programming, SMTP, Information Technology, AWS Cloud Architecture, Amazon Route 53, Software, Virtualization, Unix/Linux Virtualization, Security, Kubernetes Security, Cloud Infrastructure, Networking, Proxies, AWS Monitoring, AWS WAF, WebSockets, AWS DevOps, Agile DevOps, GitOps
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