Patrick Himwiita

Enterprise infrastructure engineer with 9 years of experience supporting production Windows and Linux server environments across AWS and Azure. Hands-on background in system monitoring, alert response, incident troubleshooting, patching, backup and disaster recovery, access control, vulnerability remediation, and high-availability operations. Experienced in HIPAA- and SOC 2-aligned environments, technical documentation, cross-functional support, and automation that improves reliability and operational consistency.

Ready to apply a strong UNIX/Linux foundation to IBM AIX, HPE NonStop Guardian, and InterSystems Caché/IRIS operations.

Cloud Infrastructure Engineer - eScholar, a Harris Computer company - Remote

(2025-12)

• Administer secure, highly available AWS and Azure production infrastructure, including Windows servers, networking, identity controls, encryption, and multi-tier application environments.
• Monitor infrastructure health and security signals through CloudWatch, Site24x7, SIEM, CrowdStrike, Rapid7, and Qualys; investigate alerts, troubleshoot issues, and coordinate resolution with technical teams and vendors.
• Automate Windows patching and monitoring across development, staging, and production with AWS Systems Manager, PowerShell, and scripts, improving patch compliance by 95% and reducing manual intervention by 30%.
• Execute rolling updates, routine server maintenance, backup strategies, vulnerability remediation, SSL certificate work, and access administration across commercial and GovCloud environments.
• Support SOC implementation, vendor reviews, and technical documentation while maintaining HIPAA and SOC 2-aligned security and operational controls.
• Designed a highly available three-tier Windows architecture using EC2, Application Load Balancer, Auto Scaling, and RDS SQL Server to improve uptime and performance.

AWS Hosting Administrator - eScholar, a Harris Computer company - Remote

(2023-02 - 2025-12)

• Maintained production AWS hosting environments for uptime, scalability, and security; performed system checks, updates, patching, and routine operational support.
• Monitored system performance in CloudWatch, responded to incidents, and troubleshot server, network, and application issues in collaboration with development, security, and DevOps teams.
• Automated deployments, backups, and recurring operational tasks to improve consistency, reliability, and recovery readiness.
• Documented system configurations, procedures, and operational workflows; supported compliant change execution across development, staging, and production.
• Managed IAM and Okta access controls, Tenable vulnerability reviews, and security best practices for reliable, audit-ready operations.
• Led cloud cost optimization through rightsizing, reserved instances, and removal of unused resources, delivering more than $420K in cumulative savings across client environments.

AWS DevOps Administrator - Dominion Systems - Canada

(2018-01 - 2023-01)

• Provisioned and administered AWS compute, storage, load balancing, and Auto Scaling resources using Terraform and the AWS console for scalable production environments.
• Built Jenkins, Maven, and Git CI/CD pipelines to deploy WAR/JAR applications to Tomcat across development, staging, and production.
• Enforced least-privilege IAM controls across multi-account environments and introduced monitoring scripts that detected performance anomalies and reduced downtime by 15%.

System Administrator - Access Organization LLC - San Antonio, TX

(2017-01 - 2017-12)

• Supported Windows and Linux servers and AWS infrastructure, maintaining availability, secure access, and day-to-day production operations.
• Administered user accounts, tokens, directories, and permissions to support compliance and audit readiness.
• Served as the primary escalation point for network and system issues, troubleshooting infrastructure and security incidents with engineering and IT teams.
• Configured Site24x7 and CloudWatch dashboards and alerts for infrastructure, SSL certificates, DNS, and security events; supported backup, disaster recovery, and operational resilience initiatives.

Master of Information Systems - University of Phoenix

Postgraduate Program - Cybersecurity - The University of Texas at Austin

Bachelor of Social Work - Social Work - Mulungushi University