Senior Windows Administrator

6 days ago


New Delhi, India Celestica Full time

We're seeking a highly experienced and technically proficientPrincipal Windows Architectto lead the design, implementation, and optimization of our enterprise IT infrastructure. This role requires an expert with overall14-18 years of experiencespanningWindows Server technologies ,multi-cloud environments (Azure and IBM Cloud) , and complexSoftware-Defined Storage (SDS)and hyper-converged solutions. The ideal candidate will be a strategic thinker capable of driving innovation, ensuring system reliability, and mentoring technical teams.Key Responsibilities Architectural Design and Strategy Lead the architecture, design, and roadmap planning for on-premises and cloud-based Windows Server and storage infrastructure. Develop high-level and low-level designs for enterprise solutions, ensuring they meet business requirements for scalability, resilience, security, and performance. Drive migration strategies for moving workloads from on-premises environments (Hyper-V, VMware) toAzure CloudandIBM Cloud . Evaluate and recommend new technologies and solutions, particularly within the Software-Defined Storage and hyper-converged infrastructure space. Technical Expertise and Implementation Serve as the subject matter expert forWindows Serveroperating systems (all current versions),Active Directory , Group Policy, and core infrastructure services. Design and manage enterprise virtualization platforms, specificallyVMware vSphereandMicrosoft Hyper-V . Architect and manageDell PowerFlex(formerly VxFlex OS) and otherSoftware-Defined Storagesolutions. Hands-on experience with configuration and administration of enterprise storage arrays fromDell(e.g., PowerMax, Unity) andHPE(e.g., 3PAR, Nimble). Implement and manage cloud services, specificallyAzure IaaS/PaaScomponents, networking, and governance policies, and similar services withinIBM Cloud . Operations and Leadership Define and enforce standards, documentation, and operational procedures for all managed infrastructure. Troubleshoot and resolve the most complex, high-impact infrastructure issues. Provide technical guidance, mentoring, and training to infrastructure engineers and operational support teams. Collaborate with security teams to ensure the infrastructure adheres to all corporate and regulatory compliance standards.Required Qualifications and Skills 14-18 yearsof progressive experience in IT infrastructure, with a strong focus on Windows Server and architectural roles. Deep expertise inWindows Server(2012 R2 - 2022) and core services (AD, DNS, DHCP, Clustering). Extensive experience with virtualization platforms:VMware vSphereandMicrosoft Hyper-V . Proven architectural experience with at least one major public cloud:Microsoft Azure(required) and familiarity withIBM Cloud(highly desirable). Expertise inSoftware-Defined Storage (SDS) , with hands-on experience inDell PowerFlexand/or similar technologies (e.g., VMware vSAN, Microsoft Storage Spaces Direct). Strong knowledge of enterprise storage solutions from vendors likeDellandHPE , including SAN, NAS, and Fibre Channel/iSCSI networking. Excellent written and verbal communication skills, with the ability to present complex technical information to both technical and executive audiences. Relevant industry certifications (e.g., Microsoft Certified: Azure Solutions Architect Expert, VMware Certified Professional - Data Center Virtualization).


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