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Infrastructure, Network, Cloud, and DevOps Engineer with experience in enterprise networking, firewall operations, server infrastructure, monitoring, automation, and AI-supported systems.

I work with AWS, Azure, Terraform, Linux, Windows Server, FortiGate, Active Directory, monitoring platforms, and infrastructure automation. I also build practical projects in cloud security, incident response, cost optimization, disaster recovery, and DevSecOps.

• 🔐 Working with network infrastructure, firewalls, monitoring, and security
• ☁️ Building AWS and Terraform-based cloud infrastructure projects
• 🖥️ Experienced with Windows Server, Linux, Active Directory, Hyper-V, and VMware
• ⚙️ Automating infrastructure tasks using Terraform, Ansible, Python, and Shell
• 🤖 Exploring practical AI automation and intelligent infrastructure operations
• 🌏 Based in Japan

• AWS Certified DevOps Engineer – Professional
• AWS Certified Solutions Architect – Associate
• AWS Certified Machine Learning Engineer – Associate
• HashiCorp Certified: Terraform Associate
• Cisco Certified Network Associate
• Microsoft Certified: Windows Server Hybrid Administrator Associate
• Microsoft Certified: Azure Fundamentals
• Oracle Cloud Infrastructure Architect Associate
• Oracle Cloud Infrastructure Foundations Associate

Production-oriented AWS Zero Trust architecture using Terraform, multi-AZ networking, private workloads, least-privilege IAM, WAF, KMS encryption, centralized logging, and automated security validation.

Secure AWS network architecture built with Terraform, using AWS Network Firewall for centralized traffic inspection and AWS Security Hub for security posture management and findings aggregation.

Infrastructure reliability and observability project covering monitoring, incident response, automation, disaster recovery, and operational validation.

Automated cloud-security incident-response workflow that normalizes GuardDuty findings, orchestrates response through Tines, creates Jira incidents, and includes Terraform, Python, tests, and CI validation.

AWS cost-optimization project focused on identifying idle or underused resources, automating recommendations, improving visibility, and applying practical FinOps controls.

• AWS security and DevSecOps
• Infrastructure as Code using Terraform
• Cloud architecture and disaster recovery
• AWS cost optimization and FinOps
• Network and server automation
• Monitoring, logging, and incident response