Joseph Sebastian
Enterprise Infrastructure Specialist @Dentons
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WORK HISTORY
Enterprise Infrastructure Specialist @Dentons
Calgary, AB, CA
Lead the architecture, deployment, and management of complex IT environments across cloud, virtualized, and on-premises data center platforms, including Microsoft Azure, Nutanix, VMware, and Dell EMC VxBlock/VxRail.Oversee Azure cloud operations, VM migration, and multi-cloud infrastructure, ensuring seamless integration and high availability.Deploy, maintain, and optimize local and remote data centers, handling capacity planning, vendor management, and server room utilities (cooling, UPS).Administer converged and hyper-converged infrastructure, supporting full hardware and software lifecycles, and utilizing advanced monitoring tools such as vRealize Operations and SolarWinds Orion.Manage enterprise servers, storage, and networking: HP, Dell, Cisco UCS servers/blades; storage solutions (XtremIO, VNXe, Unity, SAN); and network devices (Cisco/Juniper switches/routers, VLANs, Cisco MDS SAN).Design, configure, and troubleshoot Active Directory and Windows Server environments, supporting business continuity and performance enhancements.Implement security and compliance controls, including data-at-rest encryption, IT audits, and risk management (CISSP, CISA certified).Lead change management initiatives, perform root cause analysis, and manage inventory and asset lifecycles.Drive infrastructure projects, coordinate with cross-functional teams, and ensure successful delivery using ITIL, COBIT, and Lean Six Sigma methodologies.Key Certifications:CISSP, CISA, CRISC, VMware, Microsoft Azure, ITIL, Lean Six Sigma, CCNA, DCCA
EDUCATION
Madurai Kamraj University, Madurai
Post Graduate Diploma, Systems Management
Annamalai University
Bachelor's degree, Information Technology
ABOUT JOSEPH SEBASTIAN
Enterprise Architect | Cybersecurity, Privacy & Risk Leader | Data Center & Cloud Architect | Observability & Monitoring Expert As an Enterprise Infrastructure Architect at Dentons, the world\'s largest law firm, I lead the strategic design and implementation of mission-critical infrastructure across our Canadian and US operations. With over 15 years of specialized expertise, I architect resilient data center solutions and comprehensive security frameworks that enable digital transformation while ensuring unwavering operational excellence. Data Center Architecture Leadership I specialize in designing and optimizing traditional, converged, and hyper-converged data center environments, leading complex infrastructure transformations from legacy systems to modern cloud-integrated architectures. My expertise spans Dell EMC VxBlock, VxRail, Nutanix HCI, and hybrid Azure deployments, ensuring scalable, high-performance infrastructure that supports enterprise growth. Risk Management & Security Architecture As a CISSP and CISA-certified professional, I drive enterprise-wide risk management strategies and architect security-first infrastructure solutions. I lead IT audits, implement comprehensive compliance frameworks, and design robust security postures that protect critical legal operations while meeting stringent regulatory requirements. Business Continuity & Resilience Strategy I architect and execute comprehensive business continuity plans, backup strategies, and disaster recovery solutions across multi-site operations. My systematic approach to operational resilience ensures 99.9%+ uptime for mission-critical systems, supporting Dentons\' global legal services without interruption. Technical Excellence & Innovation Elite-certified in Microsoft Azure, VMware, ITIL, and project management, I leverage deep technical acumen across private/public cloud platforms, virtualization technologies, and enterprise monitoring solutions. I dedicate 1-2 hours daily to advancing technical expertise, ensuring our infrastructure leverages cutting-edge technologies and industry best practices. My proven track record in vendor management, change leadership, and cross-functional collaboration drives measurable results in complex enterprise environments, positioning Dentons at the forefront of legal technology innovation.
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