Systems Administration
Empowering seamless operations with innovative solutions, proactive management, and a passion for system reliability.
Skills & Technologies
Linux
Linux
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Proficiency with Linux Distributions
- Expertise in RPM-based distributions (e.g., Red Hat, CentOS, Fedora).
- Expertise in Debian-based distributions (e.g., Ubuntu, Debian).
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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.
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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).
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Virtualization and Cloud Integration
- Configuring and managing KVM, Xen, and VMware environments.
- Deploying Linux-based servers on cloud platforms (e.g., AWS, Azure, GCP).
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Configuration Management and Automation
- Experience with Ansible, Puppet, or Chef for system automation.
- Writing and deploying Infrastructure as Code (IaC) using Terraform.
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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
Cloud Technologies
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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.
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AWS-Specific Skills
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EC2:
- Launching, configuring, and managing virtual machines.
- Implementing auto-scaling groups and load balancing.
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S3:
- Setting up and managing S3 buckets for storage, hosting, and versioning.
- Implementing lifecycle policies, encryption, and permissions.
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Route 53:
- Creating and managing hosted zones and DNS records.
- Configuring routing policies (e.g., weighted, geolocation, failover).
- Domain registration and DNS migration.
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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.
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Infrastructure as Code (IaC)
- Writing CloudFormation templates and Terraform scripts for automated deployments.
- Managing infrastructure lifecycles with tools like Pulumi.
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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.
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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.
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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
On-Premises Infrastructure
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Server and Storage Infrastructure
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Dell EMC:
- Managing storage arrays (e.g., Unity, PowerStore, PowerVault).
- Configuring SAN/NAS environments and iSCSI/Fibre Channel connections.
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Nutanix:
- Deploying and managing Nutanix hyperconverged infrastructure (HCI).
- Configuring and managing Nutanix Prism, AHV, and data replication.
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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.
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Data Protection and Backup
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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).
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Networking and Infrastructure
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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.
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Server Management
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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.
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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.
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Apple Technologies
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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.
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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.
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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.
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Collaboration and File Systems
- Deploying on-prem collaboration tools (e.g., Nextcloud, Microsoft SharePoint).
- Managing centralized file servers and integrating with backup solutions.
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Disaster Recovery and Redundancy
- Designing and implementing DR strategies, including replication and failover testing.
- Configuring redundant power supplies, RAID configurations, and clustering.
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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
Virtualization
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Virtualization Platforms
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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.
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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.
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VirtualBox:
- Creating and managing VMs for development and testing environments.
- Configuring snapshots, shared folders, and bridged networking.
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Cloud-Based Virtualization
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.