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Systems Administration

Empowering seamless operations with innovative solutions, proactive management, and a passion for system reliability.

Skills & Technologies

Linux

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Linux

  • Proficiency with Linux Distributions
    • Expertise in RPM-based distributions (e.g., Red Hat, CentOS, Fedora).
    • Expertise in Debian-based distributions (e.g., Ubuntu, Debian).
  • System Administration
    • Setting up and managing LAMP stacks (Linux, Apache, MySQL/MariaDB, PHP).
    • Managing package installations using yum, dnf, and apt.
    • User management, permission configuration, and file system hierarchy.
    • Configuring and troubleshooting network interfaces, firewalls, and VPNs.
  • Advanced Linux Skills
    • Shell scripting and automation (e.g., Bash, Python).
    • Configuring and managing SELinux and AppArmor for security.
    • Managing and configuring servers (e.g., DNS, DHCP, FTP, NFS, Samba).
    • System monitoring and performance tuning (e.g., using htop, iostat, vmstat).
  • Virtualization and Cloud Integration
    • Configuring and managing KVM, Xen, and VMware environments.
    • Deploying Linux-based servers on cloud platforms (e.g., AWS, Azure, GCP).
  • Configuration Management and Automation
    • Experience with Ansible, Puppet, or Chef for system automation.
    • Writing and deploying Infrastructure as Code (IaC) using Terraform.
  • Troubleshooting and Support
    • Debugging system issues using dmesg, journalctl, and log files.
    • Kernel module management and compilation.
    • Recovering from system failures with rescue and recovery tools.

Cloud

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Cloud Technologies

  • Cloud Platforms Proficiency
    • AWS: Advanced experience with EC2, S3, IAM, Route 53, RDS, CloudFront, and Lambda.
    • Azure: Experience with Virtual Machines, Azure Storage, App Services, and Azure AD.
    • Google Cloud Platform (GCP): Proficiency in Compute Engine, Cloud Storage, Cloud DNS, and Kubernetes Engine.
    • Google Workspace: Administration of email, collaboration tools, and security policies.
  • AWS-Specific Skills
    • EC2:
      • Launching, configuring, and managing virtual machines.
      • Implementing auto-scaling groups and load balancing.
    • S3:
      • Setting up and managing S3 buckets for storage, hosting, and versioning.
      • Implementing lifecycle policies, encryption, and permissions.
    • Route 53:
      • Creating and managing hosted zones and DNS records.
      • Configuring routing policies (e.g., weighted, geolocation, failover).
      • Domain registration and DNS migration.
  • Networking and Security
    • Configuring Virtual Private Clouds (VPCs), subnets, and security groups.
    • Setting up VPN connections and Direct Connect for hybrid environments.
    • Implementing cloud security policies, encryption, and key management.
  • Infrastructure as Code (IaC)
    • Writing CloudFormation templates and Terraform scripts for automated deployments.
    • Managing infrastructure lifecycles with tools like Pulumi.
  • Cloud-Native and Serverless Technologies
    • Deploying containerized applications with ECS, EKS, and Fargate.
    • Building serverless applications using AWS Lambda and API Gateway.
    • Monitoring and optimizing serverless workloads with CloudWatch and X-Ray.
  • Cloud Storage and Data Management
    • Configuring high-availability storage solutions with S3, Azure Blob Storage, and GCP Cloud Storage.
    • Database management on RDS, DynamoDB, Azure SQL, and BigQuery.
  • Monitoring and Cost Optimization
    • Setting up monitoring and alerts with AWS CloudWatch, Azure Monitor, and GCP Operations Suite.
    • Analyzing and optimizing costs with AWS Cost Explorer and Azure Cost Management.

On-Prem

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On-Premises Infrastructure

  • Server and Storage Infrastructure
    • Dell EMC:
      • Managing storage arrays (e.g., Unity, PowerStore, PowerVault).
      • Configuring SAN/NAS environments and iSCSI/Fibre Channel connections.
    • Nutanix:
      • Deploying and managing Nutanix hyperconverged infrastructure (HCI).
      • Configuring and managing Nutanix Prism, AHV, and data replication.
    • VMware vSphere:
      • Installing, configuring, and managing vCenter and ESXi hosts.
      • Setting up and managing virtual machines, resource pools, and DRS clusters.
      • Implementing High Availability (HA), vMotion, and storage vMotion.
  • Data Protection and Backup
    • Veeam Backup & Replication:
      • Designing and implementing backup strategies for virtualized and physical environments.
      • Configuring replication and disaster recovery solutions.
      • Performing backup testing and restoration (both full and granular).
  • Networking and Infrastructure
    • Cisco MDF (Main Distribution Frame):
      • Configuring and maintaining switches, routers, and firewalls.
      • Setting up VLANs, ACLs, and QoS for optimized network traffic.
      • Implementing Layer 2/3 protocols (e.g., STP, OSPF, BGP).
      • Wireless network management and configuration with Cisco Meraki or similar platforms.
  • Server Management
    • Windows Server:
      • Managing Active Directory, DNS, DHCP, and Group Policy.
      • Implementing Hyper-V for virtualization and clustering.
      • Configuring file and print services, as well as DFS replication.
    • Linux Servers:
      • Deploying and managing Linux distributions (e.g., Red Hat, Ubuntu, CentOS).
      • Configuring services like Apache, Nginx, and Samba for on-prem applications.
      • Managing kernel updates, cron jobs, and server hardening.
  • Apple Technologies
    • Apple Caching Server:
      • Setting up and managing Apple Caching Server to optimize macOS and iOS updates.
      • Troubleshooting issues related to Apple deployments in enterprise networks.
  • Monitoring and Maintenance
    • Implementing monitoring tools (e.g., Nagios, Zabbix, SolarWinds) for system and network health.
    • Performing regular firmware and driver updates for hardware.
    • Managing UPS systems and server room environmental controls.
  • Virtual Desktop Infrastructure (VDI)
    • Deploying and managing VDI solutions (e.g., VMware Horizon, Citrix Virtual Apps and Desktops).
    • Optimizing storage and network configurations for VDI performance.
  • Collaboration and File Systems
    • Deploying on-prem collaboration tools (e.g., Nextcloud, Microsoft SharePoint).
    • Managing centralized file servers and integrating with backup solutions.
  • Disaster Recovery and Redundancy
    • Designing and implementing DR strategies, including replication and failover testing.
    • Configuring redundant power supplies, RAID configurations, and clustering.
  • Security and Compliance
    • Implementing on-prem firewalls (e.g., Palo Alto, Fortinet) and endpoint security solutions.
    • Conducting system audits, penetration testing, and patch management.

Virtualization

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Virtualization

  • Virtualization Platforms
    • VMware vSphere:
      • Installing, configuring, and managing vCenter and ESXi hosts.
      • Creating and managing virtual machines, templates, and resource pools.
      • Implementing High Availability (HA), Distributed Resource Scheduler (DRS), and vMotion.
      • Configuring storage with VMFS, NFS, and vSAN.
    • Hyper-V:
      • Setting up and managing virtual machines on Windows Server Hyper-V.
      • Configuring Hyper-V replication for disaster recovery.
      • Managing virtual switches, storage, and failover clustering.
    • VirtualBox:
      • Creating and managing VMs for development and testing environments.
      • Configuring snapshots, shared folders, and bridged networking.
  • Cloud-Based Virtualization
    • AWS EC2:
      • Launching and managing EC2 instances, including AMI creation and scaling.
      • Configuring Elastic Load Balancers and Auto Scaling groups.
      • Managing storage with Elastic Block Store (EBS) and instance store volumes.
    • Azure VMs:
      • Deploying and managing virtual machines in Azure, including VM scaling sets.
      • Configuring Azure Disk Storage (Standard, Premium, Ultra) for virtual machines.
      • Managing VM backups and snapshots with Azure Backup.
  • Advanced Virtualization Skills
    • Deploying and managing nested virtualization environments.
    • Optimizing virtual machine performance by configuring CPU, memory, and I/O tuning.
    • Migrating physical systems to virtual machines (P2V) using tools like VMware Converter or Disk2VHD.
    • Managing virtual networks, including VLANs, SDN, and private networks.
  • Hybrid Virtualization
    • Extending on-prem virtual environments to cloud platforms with solutions like VMware Cloud on AWS or Azure Arc.
    • Configuring VPNs or Direct Connect to integrate cloud-hosted VMs with on-prem networks.
    • Orchestrating hybrid disaster recovery strategies for virtualized workloads.
  • Automation and Orchestration
    • Automating VM provisioning using Infrastructure as Code (IaC) tools like Terraform and Ansible.
    • Implementing orchestration platforms like vRealize Automation or AWS CloudFormation for virtualized resources.
  • Security and Compliance
    • Managing virtual machine snapshots and backups securely.
    • Configuring role-based access control (RBAC) for virtualized environments.
    • Ensuring compliance for virtual environments with tools like VMware vRealize Operations or Azure Security Center.
  • Monitoring and Performance Optimization
    • Monitoring virtual machine performance with tools like VMware vROps, Hyper-V Manager, or Azure Monitor.
    • Identifying and resolving bottlenecks in CPU, memory, and storage.
    • Using tools like AWS CloudWatch or Azure Advisor for cloud-based virtualization insights.
  • Disaster Recovery and Backup
    • Configuring DR solutions for virtualized workloads with tools like Veeam Backup, Azure Site Recovery, or Zerto.
    • Testing and validating recovery procedures for critical virtual machines.
  • VDI (Virtual Desktop Infrastructure)
    • Deploying and managing VDI environments using VMware Horizon, Citrix, or Windows Virtual Desktop (Azure).
    • Optimizing VDI performance for remote and hybrid workforces.
  • Cross-Platform Virtualization
    • Migrating workloads between Hyper-V, VMware, and cloud platforms (e.g., AWS, Azure).
    • Managing multi-hypervisor environments with tools like VMware vCenter Converter or OpenStack.
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