* Provisioning and managing infrastructure on cloud platforms like AWS and Azure, ensuring scalability and consistency using Terraform* Utilizing Git for version control, collaborating on code changes and managing repositories effectively.* Implementing GitOps practices to maintain infrastructure and application configurations as code.* Developing CI/CD pipelines using Jenkins and GitLab CI/CD to automate build, test, and deployment processes.* Containerizing applications using Docker, ensuring consistency across development and production environments.* Employing Kubernetes for container orchestration, managing deployments, scaling, and load balancing effectively.* Implement service mesh with Istio to enhance microservices communication, security, and observability* Documenting infrastructure configurations, CI/CD workflows, and troubleshooting steps for knowledge sharing.

● Setup and configured VPN remote access to the internal network by an open-source firewall● Hardened, optimized and audited internal services, which increased the efficiency● Windows Active Directory management● User Permission management● File server management● DNS and DHCP server management● Cooperate with developers to deploy their software on Linux-based test servers.● Wrote backup scripts from critical services● Setup and configured SAN storage via opensource solutions with accessibility from different locations● Collaborated with developers to set up a test environment for an in-house app● Collaborated with developers to dockerize their in-house app via docker-compose● Performed tools and software upgrades as needed● Installed, configured, and maintained Linux Servers, ensuring optimal performance and reliability in high-availability environments.● Implemented load-balancing solutions to enhance server efficiency and minimize downtime, resulting in improved user experience.● Utilized Ansible automation for streamlined server provisioning and configuration management, reducing manual errors by 30%.● Managed on-premises and cloud-based environments, leveraging AWS services to optimize scalability and resource utilization.● Performed routine database administration tasks, including backup, restoration, and data integrity maintenance.● Resolved complex technical issues promptly, applying advanced troubleshooting skills to mitigate disruptions and ensure system stability.

● Administered Linux servers, patched Linux kernels, set up RAID arrays, and set up virtual machines● Implemented internal portal on Apache● Managed Active Directory● Managed DNS, DHCP and File servers on Windows server● Created and managed user accounts, password aging and complexity● Installed and configured SSL● Hardened services such as SSH (Bruteforce, MFA, src IP,..), number of sessions per IP (Apache, IPTables), etc● Implemented load balancing service for internal portals using HAProxy● Migrated mirror portal to an HPE server● Implemented and hardened (Qota, ACL, LVM,...) vFTP service on ESXi 6● Implemented and configured AIDE● Wrote scripts (Backup Logs, Sync portal servers, find resource consuming process, Quota and connection limitations in IPTables, periodically check PASSWD and alert for rogue users)● Implemented and configured Rsyslog server● Preserved system documentation accuracy, including data and graphical refreshes