benjamin t e

Experienced System Administrator with over 10 years of expertise in managing Linux (Ubuntu, CentOS, AlmaLinux) and Windows servers for stability, security, and performance. Skilled in VMware, Proxmox, and Hyper-V for virtualization, server migration, and disaster recovery with Veeam Backup. Experienced with Active Directory, LDAP, and RBAC for user management and security. Proficient in managing web servers (Apache, NGINX, Node.js, IIS) and configuring SSL certificates. Strong background in AWS services, VPC, IAM policies, and S3 management. Expertise in backup automation, VPN setup, disaster recovery, and network monitoring. Also experienced in managing Office 365, VoIP systems, and collaboration tools like Openfire Chat and Mantis Bug Tracker. 

Systems Administrator | Linux & Windows | Cloud & Virtualization | DevOps | Networking

Experienced Systems Administrator with a strong track record of managing Linux (CentOS, Ubuntu, AlmaLinux) and Windows Server environments to ensure system stability, performance, and security. Skilled in both on-premises and cloud infrastructure, with hands-on expertise in virtualization, automation, DevOps practices, and network management.

Core Competencies
Linux Server Administration (CentOS, Ubuntu, AlmaLinux)

Windows Server Administration & Active Directory

Microsoft Azure & AWS Cloud Platforms

Virtualization (VMware ESXi 8, Proxmox, Hyper-V)

Docker, Jenkins, Git (CI/CD pipelines)

Network Configuration (VLANs, VPNs, Firewalls)

Backup & Disaster Recovery (Veeam, Amanda, EMC Tape Library)

Web & DB Services (Apache, NGINX, IIS, PostgreSQL, MySQL, Node.js, PHP)

Email & Collaboration Tools (Zimbra, Yealink IP Phones, VoIP)

Key Achievements & Responsibilities
Installed, configured, and maintained Linux and Windows-based servers for critical business applications.

Deployed applications using Docker containers and automated build/deployment processes using Jenkins, streamlining DevOps workflows.

Managed source code and software releases using Git for version control and CI/CD integration.

Configured and maintained Azure Active Directory (Azure AD) for user authentication, RBAC, and SSO, improving access control across cloud resources.

Led on-prem to Azure migration, achieving 35% cost savings and increased scalability.

Developed custom dashboards in Azure Monitor, reducing system downtime by 10% through proactive alerting and monitoring.

Provisioned and managed Azure VMs, resource groups, and storage for application hosting.

Implemented and administered VMware ESXi 8, Proxmox, and Hyper-V on Dell PowerEdge servers for virtual infrastructure deployment.

Managed LDAP (Linux) and Active Directory (Windows) environments, enforcing group policies and access restrictions via RBAC.

Configured Veeam Backup & Replication and DELL EMC Tape Library for comprehensive backup and disaster recovery.

Installed and optimized Apache, NGINX, Node.js, and IIS for reliable web hosting and app delivery.

Deployed SSL certificates and hardened web services for secure HTTPS access.

Set up PostgreSQL and LAMP stack (Linux, Apache, MySQL, PHP) to support dynamic backend applications.

Administered Zimbra Mail Server and Amanda Backup Server for communication and data protection.

Configured site-to-site VPNs using FortiGate Firewalls to securely connect remote branches with the data center.

Set up VLANs on Aruba and D-Link switches for network segmentation and security.

Configured and supported Yealink IP phones and VoIP services, ensuring secure and efficient communication.

Managed AWS services including EC2, S3, RDS, ELB, CloudWatch, and SNS, ensuring scalable and resilient infrastructure

MSC Computer Science 

BCA

Diploma in Computer Engineering