Allfin Ahsan

PROFESSIONAL SUMMARY

DevOps Engineer | System Administrator | Cloud Operations Specialist | Security+ Certified

Experienced infrastructure professional with 5+ years building and automating hybrid cloud environments. I'm passionate about bridging development and operations through Infrastructure as Code, CI/CD automation, configuration management, and smart monitoring solutions. My PowerShell automation helped accelerate user provisioning by 40%, I've built cloud-native monitoring stacks, and designed secure network architectures using modern DevOps practices. With my Computer Science background, I bring hands-on experience in both software development workflows and production operations, specializing in cost optimization and system reliability.

TECHNICAL SKILLS

Cloud & Infrastructure:

Azure Active Directory, Intune, AWS (EC2, S3, IAM), Google Cloud basics
Infrastructure as Code (Terraform, ARM Templates, CloudFormation)
Virtualization & Containerization (Proxmox VE, Docker, Kubernetes concepts)
VMware Technologies (vSphere, ESXi, vCenter) - Active Learning
Nutanix Hyper-converged Infrastructure - Exploring
Network Automation & Security (VLAN segmentation, WireGuard VPN)

DevOps & Automation:

CI/CD Pipeline Design (Jenkins, Azure DevOps, GitHub Actions)
Configuration Management (Ansible, PowerShell DSC)
Scripting & Programming (PowerShell, Python, Bash, JavaScript, Node.js, PHP)
Version Control & Collaboration (Git, GitHub workflows)

Development & Web Technologies:

Full-stack Development (HTML/CSS, JavaScript, Node.js, PHP)
Database Administration (InfluxDB, SQL Server, MySQL basics)
API Integration and Webhook Automation
Software Development Life Cycle (SDLC)

Monitoring & Cloud Operations:

Full-stack Monitoring (InfluxDB, Grafana, CloudWatch, Azure Monitor)
Log Aggregation and Incident Response
Performance Optimization and Cost Optimization
Security Compliance and Vulnerability Assessment

Systems Administration:

Windows Server & Active Directory Management
Hypervisor Management (VMware vSphere, ESXi administration)
Group Policy and Compliance Frameworks
Disaster Recovery and Business Continuity
Remote Access Solutions and VPN Technologies

PROFESSIONAL EXPERIENCE

Windows System Administrator & Automation Engineer

Titan America — Deerfield Beach, FL

October 2023 – Present

Cloud Migration Leadership: Led our enterprise migration to Azure Active Directory and Intune, improving security posture and enabling modern device management for 500+ endpoints across multiple sites
Process Automation: Developed PowerShell-based Infrastructure as Code solutions and configuration management scripts that reduced user onboarding time by 40% and eliminated manual configuration errors
Network Security Engineering: Implemented micro-segmentation using VLAN automation and WireGuard VPN infrastructure, strengthening our zero-trust architecture approach
Monitoring & Observability: Built a comprehensive monitoring ecosystem using InfluxDB and Grafana with real-time dashboards for infrastructure health and performance metrics
Cross-team Collaboration: Partnered with development teams to streamline deployment processes and implement configuration management best practices

Jr. System Administrator & Infrastructure Specialist

Innovative IT Solutions, Inc. — Miami, FL

March 2021 – October 2023

Identity & Access Management: Managed Active Directory environment with automated group policy deployment, maintaining consistent security compliance across multi-site infrastructure
Deployment Optimization: Built a WDS-based imaging pipeline with configuration management tools that accelerated desktop provisioning by 60% while maintaining standardization
Remote Infrastructure: Designed and maintained VPN client configurations with firewall automation, supporting seamless remote work capabilities for distributed teams
Knowledge Sharing: Created comprehensive infrastructure documentation using version control practices, improving team collaboration and knowledge transfer processes

IT Support Specialist & Operations Analyst

Tech Solutions Inc. — Orlando, FL

December 2019 – February 2021

Endpoint Management: Provided tier-1 support for 300+ endpoints, developing troubleshooting automation scripts that reduced average resolution time
User Provisioning: Streamlined account creation processes for local and domain environments, implementing self-service capabilities where appropriate
Process Improvement: Contributed to internal knowledge base and runbook development, establishing standardized procedures for common operational tasks

EDUCATION

Bachelor of Science in Computer Science

Relevant Coursework: Software Engineering, Database Systems, Network Security, Systems Programming

CERTIFICATIONS & CONTINUOUS LEARNING

CompTIA Security+ (Valid through 2027)
Microsoft Azure Fundamentals (AZ-900) — Completed
Microsoft Azure Administrator Associate (AZ-104) — In Progress (2025)
Certified Ethical Hacker (CEH) — In Progress (2025)
VMware Certified Associate (VCA) — Pursuing (2025)

PROJECTS & LABORATORY EXPERIENCE

Enterprise Virtualization & Hyper-converged Infrastructure Lab

Currently exploring VMware vSphere environment with ESXi hypervisor deployment, vCenter management, and virtual machine lifecycle automation
Researching Nutanix HCI solutions including cluster management, data protection, and hyperconverged infrastructure best practices
Comparing virtualization platforms (Proxmox VE vs VMware vSphere) for enterprise scalability, performance optimization, and cost analysis
Working on virtual machine templates, snapshots, and automated provisioning workflows across multiple hypervisor platforms

Advanced Network Infrastructure Lab & Automation

Designed and implemented enterprise-grade multi-VLAN network using Ubiquiti UniFi UDM Pro SE with 5 VLANs for traffic segmentation and enhanced security
Deployed Proxmox VE virtualization platform hosting multiple VMs including Grafana dashboards, InfluxDB time-series database, and monitoring services
Implemented dual WireGuard VPN infrastructure with primary and secondary PiVPN servers, dynamic DDNS, and granular routing controls for secure remote access
Built comprehensive monitoring stack using UniFi Poller, Prometheus PVE exporter, and Grafana for real-time network visibility and host metrics collection
Achieved zero inter-VLAN leakage through firewall rule automation and developed CLI-based testing framework for security validation

DevOps Engineering Curriculum & Hands-On Labs

Completing comprehensive KodeKloud DevOps curriculum covering Linux fundamentals, Docker containerization, Kubernetes orchestration, and Jenkins CI/CD
Built and optimized Docker images using multi-stage builds, managed containers via Docker CLI and Compose for production-ready applications
Deploying pods, Services, and Deployments on Kubernetes minikube cluster with automated rollouts and rollbacks using kubectl and YAML manifests
Configuring Jenkins pipelines as code with GitHub webhooks, implementing blue-green deployments and automated testing stages
Next up: Infrastructure-as-Code with Terraform for AWS resource provisioning and declarative infrastructure management

Cybersecurity & Threat Detection Laboratory

Completed 20+ hands-on cybersecurity labs in TryHackMe focusing on SOC operations, threat hunting, and incident response procedures
Developed 15+ custom detection rules and automated patch scripts, reducing alert noise and achieving 50% faster remediation times
Practiced network enumeration with Nmap, Wireshark, and Netcat; performed privilege escalation using LinPEAS, WinPEAS, and BloodHound
Gained hands-on experience with SIEM tools (ELK stack, Splunk), Sigma rules, and security automation frameworks for threat detection
Simulated adversary techniques and red team operations, then developed defensive countermeasures and incident response playbooks

Full-Stack Development & API Integration Projects

Built interactive web applications using HTML5, CSS3, JavaScript (ES6+), and responsive design principles with CSS Grid and Flexbox
Developed RESTful APIs using Python Flask with SQLite/SQLAlchemy for CRUD operations, JSON serialization, and database migrations
Created automated testing workflows and containerized applications using Docker for consistent development environments
Implemented modern frontend frameworks (React) with component-driven architecture, hooks, and routing for scalable web applications
Integrated third-party APIs and built custom widgets demonstrating full-stack development capabilities from database to user interface

ADDITIONAL QUALIFICATIONS

Programming Languages: PowerShell, Python, Bash scripting, JavaScript, Node.js, PHP, HTML/CSS, SQL
DevOps Tools: Git, GitHub workflows, Jenkins, Ansible, Terraform, Docker, Kubernetes
Cloud Platforms: AWS (EC2, S3, IAM), Azure (AD, Intune, Monitor), Google Cloud Platform basics
Virtualization Platforms: Proxmox VE, VMware vSphere (ESXi, vCenter), Nutanix (exploring)
Problem-Solving: Strong analytical skills with development mindset applied to operational challenges
Collaboration: Experience working with cross-functional teams in agile environments and DevOps culture
Continuous Learning: Active in DevOps and cloud communities, staying current with emerging technologies

References available upon request