Infrastructure / Cloud & Security Engineering
Infrastructure & Cloud Security
Cloud, networking, identity, email security, endpoint management
Ferdinand designs, builds and maintains the infrastructure that organizations depend on — cloud environments, physical networks, identity platforms, email security and endpoint management. The work spans healthcare, legal and business operations, with a consistent emphasis on reliability, recoverability and HIPAA-aligned controls where required.
Overview
Infrastructure work is rarely visible when it is done well — the network stays up, email delivers, devices stay enrolled, backups run and recoveries succeed. Ferdinand's infrastructure practice covers five domains: cloud and continuity, networking, identity and collaboration, email security, and endpoint management. The scenarios below are drawn from real engagements, anonymized to protect client confidentiality. No IP addresses, customer domains, firewall exports or security configurations are published.
All scenarios are anonymized. No client names, IP addresses, customer domains, firewall rule exports, network diagrams with identifying information, or security configurations are published. Environment diagrams use generic topology representations only.
Anonymized Environment Topology
Generic representation of the infrastructure layers Ferdinand designs and manages. No client-specific addresses, domains or configurations are shown.
Cloud Layer
AWS VPC
EC2 · S3 · IAM
Backup Target
Offsite replication
Continuity
Failover · RTO
Network Layer
Perimeter FW
SonicWall · policy
LAN / WLAN
UniFi UDM SE · VLANs
VPN Gateway
Remote access · site-to-site
Identity & Collaboration
Directory
Entra ID · MFA
Email Platform
M365 · Google Workspace
File Storage
SharePoint · Drive
Endpoint Layer
Workstations
Policy · patch mgmt
Mobile Devices
Hexnode MDM · profiles
Email Auth
SPF · DKIM · DMARC
Infrastructure Scenarios
Select a domain to expand scenarios. Each scenario shows the situation, the work done and the outcome.
Infrastructure Engagement
Need cloud architecture, network design, email security or endpoint management for a healthcare or business environment? Ferdinand has built and maintained these systems across more than 15 years of direct engagement.