Josh Mahar| Vice President, Cloud, Infrastructure and Security

Josh Mahar serves as Vice President of Cloud, Infrastructure & Security, shaping the strategy, delivery and ongoing maturity of managed and project-based technology services across client environments. His work focuses on building secure, reliable, and scalable platforms spanning hybrid cloud, multi-cloud infrastructure, enterprise networks, data center operations, backup, disaster recovery, and managed security services.

As Vice President, Josh is responsible for cloud strategy, infrastructure operations, cybersecurity services, platform modernization, and managed services delivery for more than 50 managed services clients. He leads multidisciplinary teams of architects, directors, and L2/L3 engineers, advancing operational governance, service maturity, and continuous improvement to deliver secure, resilient, and scalable technology environments.

20+ years of executive technology leadership across cloud strategy, infrastructure, cybersecurity, enterprise architecture, managed services, and operational governance.
Leads cloud, infrastructure, and security services supporting more than 50 managed services clients, overseeing architects, directors, and L2/L3 engineering teams.
Guides enterprise cloud transformation through cloud maturity assessments, platform modernization, cloud landing zone architecture, and scalable infrastructure strategies.

Champions modern engineering practices, including Platform Engineering, DevSecOps, Site Reliability Engineering (SRE), Zero Trust, and enterprise networking across AWS and Microsoft Azure.
Strengthens operational excellence by advancing service maturity, governance, security posture, and scalable managed services delivery models.

Industry experience spanning pharmaceutical, hospitality, real estate, and manufacturing organizations.

Josh brings more than two decades of experience leading enterprise technology strategy, architecture, and operations. His background spans Azure, AWS, OCI, private cloud, enterprise networking, endpoint infrastructure, SIEM, MDR, vulnerability management, endpoint protection, observability, DevOps enablement and IT service management.

Josh is recognized for aligning technology investments with business priorities, helping organizations modernize infrastructure, strengthen security, and optimize managed services delivery. His leadership combines strategic vision with operational discipline, enabling teams to consistently deliver measurable business outcomes.

At Buchanan, Josh continues to evolve cloud, infrastructure, and security services to meet changing business and technology demands. His focus on operational excellence, governance, and continuous modernization enables clients to build secure, scalable environments that support both today's priorities and tomorrow's growth.

Highlights of Expertise