Ralph Kaczmarczyk

Lead Senior Systems Engineer @National Association of REALTORS®

Boca Raton, FL, US

Supported 1.6-million-member ecommerce payment gateway ensuring compliance. • Spearheaded Azure global Cloud environment including, landing zones, best practices, lift and shift, cost optimization, networking, load balancing, data protection, storage, database, key vault, certificates, and resource monitoring. • Maintained cloud security through Entra, Identity and Access management IAM, Identify protection PIM, privileged access management PAM, RBAC, policies, and Microsoft best practices.• Enhancement and standardization through (IaC) ARM Templates, Ansible, Terraform, Viso Studio Code, and CI/CD pipelines (Azure DevOps, GitHub Actions)• Maintained DDI (DNS, DHCP, IPAM)• Upgraded HCI computing (VMware, Nutanix) datacenter from design to deployment.• Utilized F5 load balancer with LTM/GTM functionality.• Conducted health monitoring and performance optimization of critical infrastructure. • Adhered to PCI DSS and SOC-2 compliance standards including change control, patch management, Windows/Linux administration, security hardening, documentation, and vulnerability scanning.• Cybersecurity oversight with SIEM, EDR, and MDR security operations, enabling proactive threat detection and rapid response to security incidents to minimize business disruptions.• Disaster Recovery, Business Continuity, and High Availability Designs. Also implemented airgap functionality for databases, VMs, Outlook, OneDrive, Teams, and SharePoint.• Budgetary oversight balancing capex and opex, including contract management.• Team resource management ensuring dependency tasks are addressed in a timely manner to ensure project momentum.

University of Illinois Urbana-Champaign

Bachelor's degree