Derik Callahan
Senior Manager - IT Security
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Architecting secure cloud solutions with 15+ years of enterprise experience
About Me
Senior IT Security Manager with deep expertise in cloud security architecture, identity management, and enterprise security operations. Proven track record of leading complex security initiatives, driving digital transformation, and building robust security programs in Fortune 500 environments. Specializing in Azure cloud security, Zero Trust architectures, and modern identity solutions.
15+ Years Experience
Deep expertise in enterprise security architecture and operations
Cloud Security Expert
Specialized in Azure security, hybrid environments, and cloud migrations
Identity Leader
Expert in Zero Trust, modern authentication, and IAM lifecycle automation
Strategic Thinker
Architecture Board member driving security innovation and best practices
Experience
Senior Manager - IT Security
- • Lead Cyber Security Architect and Architecture Board member driving enterprise security strategy
- • Implemented Netskope ZTNA & SASE, achieving 40% reduction in security incidents
- • Architected modern IAM with Azure Entra ID and automated provisioning via Entra Connect Sync and Saviynt
Cyber Security Manager
- • Managed IT security operations for 30,000+ employees across multiple business units
- • Led security architecture for 40+ company acquisitions and consolidations
- • Designed and implemented enterprise Azure migration strategy
Skills & Expertise
☁️Cloud Security
📋Governance & Compliance
🔐Identity & Access Management
🌐Network Security
💻Programming & Automation
🛡️Security Operations
Certifications & Education
Professional Certifications
CISSP
ISC2
CISM
ISACA
Microsoft Certified: Cybersecurity Architect Expert
Microsoft
Microsoft Certified: Azure Administrator Associate
Microsoft
Microsoft Certified: Security Operations Analyst Associate
Microsoft
CompTIA Security+
CompTIA
CCNA
Cisco
Education
Bachelor of Science
Northern Arizona University
Management of Information Systems
Master of Science
University of Arizona
Management of Information Systems
Get In Touch
I'm always interested in discussing cybersecurity strategies, cloud security architecture, and opportunities to enhance organizational security posture.