Zayyad Abdallah Email & Phone Number

- Managed the deployment, configuration, and maintenance of ArcGIS Enterpriseon Windows Server environments, ensuring optimal performance and systemavailability for critical geospatial applications.- Implemented security best practices and compliance measures, includingvulnerability assessments, patch management, and hardening of ArcGIScomponents (Portal, Data Store, Server) to meet security standards.- Integrated ArcGIS Enterprise with Azure EntraID to ensure secure authenticationand authorization with ArcGIS Portal.- Collaborated with Security Team to conduct WASA scans and addressed securityvulnerabilities, including cross-origin resource sharing (CORS) misconfigurations,found in ArcGIS Portal.- Led efforts to disable Internet Explorer 11 on Windows Server 2019 to mitigatebrowser security vulnerabilities, ensuring compatibility with ArcGIS components.- Collaborated with development teams to ensure secure and compliant codedeployment practices, leveraging CI/CD pipelines and containerizationtechnologies like Docker and Kubernetes.- Audited ArcGIS Server logs and performed security incident response, ensuringadherence to security policies and protection of sensitive geospatial data.

- Implemented automated infrastructure scaling with AWS Auto Scaling groups,reducing costs and improving application performance.- Enhanced CI/CD pipelines for microservices architecture, reducing time-to market by 30%.- Implemented Infrastructure as Code (IaC) with Terraform, automatinginfrastructure provisioning and reducing manual errors.- Established comprehensive monitoring and alerting system with Prometheus andGrafana, reducing mean time to resolution (MTTR) by 40%.- Implemented blue/green deployment strategy in Kubernetes, enabling zero down time releases and minimizing service disruptions.- These efforts resulted in improved efficiency, reliability, and scalability ofinfrastructure and deployment processes at BloomByte.

- Orchestrated containerization of applications using Docker, resulting in asignificant decrease in deployment time and seamless application scaling on AWSElastic Kubernetes Service.- Set up standardized cloud infrastructure deployment pipelines using Terraform,Jenkins, Ansible, and Helm.- Automated build, test, and deployment processes using Github Actions,decreasing deployment times and improving software quality.- Integrated GitHub Actions into the development workflow for automated codetesting and validation, increasing team productivity

Kiev Region, Ukraine

- Managed and maintained web hosting servers, including configuring and troubleshooting Linux servers, DNS, and email servers.- Implemented and maintained cloud infrastructure on AWS, including creating and managing EC2 instances, RDS databases, and S3 storage.- Utilized containerization with Docker and Kubernetes to improve system scalability and reliability.- Automated server deployments and configuration management using Ansible.- Monitored and logged system performance using Prometheus, Elasticsearch, and Kibana.

Kyiv City, Ukraine

- Provided technical support to users and resolved IT-related issues.- Installed and configured software and hardware for users.- Assisted in maintaining and troubleshooting network and server infrastructure.- Provided training and guidance to users on IT-related topics.

Kyiv City, Ukraine

- Administered and maintained network infrastructure, including configuring and troubleshooting routers, switches, and firewalls.- Implemented and maintained VPN connections for remote access.- Monitored network performance and resolved any issues that arose.- Implemented security measures to protect the network from potential threats.

Master'S Degree, Computer Engineering

Bachelor Of Engineering - Be, Computer Engineering