Shekhar Choudhary
IT Infrastructure & Security Specialist | Windows Server, Linux & Microsoft Entra ID | Building Secure, Scalable Environments
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About
I am an IT Infrastructure Specialist and Cloud Security professional with extensive hands-on experience designing, administering, and securing robust enterprise environments across on-premises and cloud architectures. My technical foundation spans Windows Server infrastructure, Linux administration, Active Directory, Microsoft Entra ID, and Microsoft 365 ecosystems.
Throughout my career—including my tenure managing enterprise IT operations at Centennial Optical—I have focused on automating patch deployments, strengthening identity and access management (IAM), optimizing network performance, and hardening security postures.
I am passionate about modernizing infrastructure through cloud adoption, transitioning traditional systems into highly secure cloud-native frameworks, and exploring innovative intersections in technology. I am currently open to new challenges in remote or hybrid Cloud Security Engineering and Systems Administration roles where I can deliver resilient, high-availability solutions.
Experience
IT Security Specialist | Centennial Optical:
Administered user accounts, server patch deployment, and hardware maintenance across hybrid IT environments. Managed Active Directory, Azure AD/Microsoft Entra ID, and Microsoft 365 integrations, ensuring high security and seamless access control. Maintained critical enterprise systems including Microsoft Dynamics Navision ERP and core networking services (DNS, DHCP).
Prior IT Roles (Inca Infotech, CompuCom & Systems & Network Administration):
Built, configured, and troubleshot complex Windows and Linux server architectures. Implemented group policies, automated administrative workflows, and managed secure system backups.
Education
Institution: Seneca College
Qualification: Bachelors in Informatics & Security
Year of Graduation: 2021
Description: Focused on core information security principles, network architecture, system defense, data protection, and secure infrastructure management.
Institution: Kalinga University
Qualification: Diploma in Computer Science & Engineering
Year of Graduation: 2017
Key Areas: Comprehensive foundation in computer science fundamentals, programming logic, database management, and foundational operating systems architecture.
