Gerodd Calahan

About Gerodd Calahan

Identity and Access Management (IAM) engineer specializing in Zero Trust architecture…

Experience

1. Cloud Security & IT Operations Manager

   Priority Management Group

   Apr 2024 — Present · Dallas, TX, US

   Led the secure migration of 37 healthcare facilities from an on-premises Active Directory environment to a hybrid cloud architecture leveraging Microsoft Azure and Entra ID, enhancing identity protection, access control, and scalability across all sites. • Architected and implemented cloud security frameworks including Conditional Access Policies, Privileged Identity Management (PIM/PAM), and Multi-Factor Authentication (MFA) to enforce zero-trust principles and safeguard enterprise identities. • Administered Azure Intune to manage devices, enforce compliance policies, and secure endpoints across geographically dispersed facilities, improving operational control and reducing attack surface. • Deployed Fortinet firewalls and configured Unifi access points to establish secure perimeters and segment internal networks, integrating on-prem infrastructure with cloud security protocols. • Oversaw cloud identity governance through Entra ID (Azure AD), automating account lifecycle management, role-based access provisioning, and auditing for compliance with HIPAA and internal security policies. • Implemented Azure-native monitoring tools and security baselines to continuously assess risk, remediate vulnerabilities, and detect anomalies across hybrid environments. • Reduced exposure to shadow IT and external threats by integrating email security solutions, cloud access logging, and enforcing secure access to Microsoft 365 and other SaaS platforms. • Orchestrated a rapid, three-month transition to cloud services—ensuring business continuity, minimizing data exposure during migration, and achieving over in annual cost savings. • Worked cross-functionally with vendors, compliance teams, and executive leadership to align IT operations with cloud security best practices and healthcare regulatory frameworks.

Education

• Texas College

  Bachelor's degree , Computer Science

  2015 — 2017

• Abilene Christian University

  Master of Information Technology, Information Technology

  2021