Ozan Guner

Cloud & Infrastructure Engineer

Aug. 2023 - Present

PCI

• Migrated on-premises workloads to Azure, achieving 99.9% uptime and reducing client infrastructure costs by 30%.
• Deployed and managed advanced Azure services including Virtual Networks, Application Gateways, Load Balancers, Azure Firewall, VPN Gateway, Recovery Services Vault, and ExpressRoute to build secure and scalable environments.
• Integrated Hyper-V with Azure Site Recovery, reducing disaster recovery failover time by 50% and ensuring business continuity.
• Automated AWS infrastructure management using Python and the Boto3 library, increasing operational efficiency by 35%.
• Designed and implemented Office 365 and Azure solutions to improve collaboration and productivity by 30% across client organizations.
• Managed hybrid cloud environments for over 50 clients, optimizing Azure and AWS infrastructure performance, cost, and security.
• Led Azure AD identity and access management (IAM) implementations, reducing unauthorized access incidents by 20%.
• Provided technical documentation and trained support teams, decreasing dependency on escalated support by 30%.
• Resolved complex network outages and cloud-related performance issues, maintaining SLA compliance and client satisfaction.

Senior IT Infrastructure Engineer

Dec. 2013 - Jul. 2022

Hilti Corporation

• Configured and managed multi-vendor network equipment (Cisco, HP, Aruba), improving reliability and performance across regional branches.
• Designed and implemented hybrid identity solutions using Azure AD Connect for seamless authentication across 10+ global sites.
• Deployed Azure networking components including Virtual Networks and VPN Gateways to ensure secure site-to-cloud connectivity.
• Managed the full lifecycle of Windows and Linux servers, ensuring availability, patch compliance, and performance tuning.
• Led the migration of major corporate facilities—including Headquarters and Training Centers—to new locations with zero downtime.
• Supported enterprise-wide IT infrastructure rollouts, including NAC implementations, SD-WAN deployment, and new office setups.

Master of Science - Management Information Systems

Aug. 2022 - Jan. 2023

University at Buffalo, Buffalo, NY

Classes taken in Fall

• Global IT Infrastructure Management
• Enterprise Models
• Technology & Innovation Management
• Database Management Systems
• Online Analytical Processing and Data Warehousing
• Statistical Analytics

Classes taken in Spring

• Cloud Computing
• Management of IT Projects
• Digital Product Management
• System Analysis and Design
• Predictive Analytics
• Introduction to Business

Bachelor of Arts - Management Information Systems

Sep. 2012 - Jul. 2017

Yeditepe University Faculty of Commerce, Istanbul, Turkey

I have attained an MIS degree from one of the top schools in Turkey with a hundred percent scholarship.

Classes taken

• Data Structures and Database Applications
• Systems Analysis and Algorithms
• Systems Design
• Structural Programming
• Management Information Systems
• Networking
• Advanced Web Design
• Object Oriented Programming
• Web Programming
• Project Management
• Ethical and Human Side Of Information Technology
• Knowledge Management

Certifications

Microsoft Certified: Azure Solutions Architect Expert

Expiry Date : Mar 2027

• Designed Azure Solutions using the hands-on labs provided by Microsoft Learn.
• Published a training plan at dev.to for professionals looking to get this certification.

Microsoft Certified: Azure Administrator Associate

Expiry Date : Oct 2026

• Completed Microsoft Learn modules and practice labs to gain hands-on experience with Azure services.
• Applied real-world knowledge by contributing to Azure deployments in production and lab environments.

Microsoft Certified: Azure Network Engineer Associate

Expiry Date : May 2026

• Used Microsoft Learn official training guide for Azure Networking Services.
• Used Azure free-tier account to deploy network resources to gain hands-on experience.

Amazon Web Services Solutions Architect Associate

Expiry Date : March 2025

• Used video courses and other self-study resources to learn more about AWS Services.
• Deployed AWS solutions and authored articles on dev.to.

Cisco Certified Network Associate

Expiry Date : June 2024

• Used video courses and other self-study resources to learn more about Computer Networks.
• Built a virtual lab with GNS 3 and practiced network topologies.

Microsoft Certified: Azure Fundamentals

Expiry Date : Does not expire

• Used Microsoft's official training guide for Azure Fundamental Services.
• Used Azure free-tier account to complete my learnings through the Azure Portal.

100 Days of Code: The Complete Python Pro Bootcamp

Does not expire

Certificate Of Completion, Udemy

• Completed 100 Days of Code Challenge by Angela Yu.
• Uploaded the code written and projects built on each day to my repository on GitHub.

Cloud Resume Challenge

• Deployed my resume website by using AWS Serverless Architecture to AWS Cloud.
• Created a CI/CD pipeline to automate the integration and deployment processes with GitHub Actions.
• Authored an article about my learnings and my experience with the challenge.

On-Premise & AWS Hybrid Migration Project

• Established secure hybrid connectivity between on-premises infrastructure and AWS cloud.
• Integrated AWS Managed Microsoft AD and migrated file services to Amazon FSx.
• Authored an article detailing the migration approach and challenges.

Scalable and Fault-Tolerant WordPress Architecture

• Redesigned tightly-coupled WordPress app into a decoupled architecture with scalable compute, storage, and database layers.
• Implemented Auto Scaling, ALB, and Amazon RDS for high availability and performance.
• Authored an article to explain the design and deployment process.

Hybrid DNS Implementation (AWS & On-Prem)

• Implemented a DNS resolution bridge between AWS and on-premise using Route 53 Resolver.
• Enabled seamless name resolution and bidirectional DNS query flow.
• Authored an article to explain the design and deployment process.

Migrating On-Premises Web Server and Database to AWS

• Lifted and shifted legacy web and database servers to AWS using EC2 and RDS.
• Used AWS DMS to ensure zero data loss and minimal downtime during migration.
• Wrote a step-by-step guide on the entire migration process.

Implementing AWS Client VPN Solution

• Built a secure AWS Client VPN for remote access and configured identity-based authentication with Simple AD.
• Tested client connections and validated secure access to cloud resources.
• Documented the process in this article for reference and learning.