<p>We are seeking an experienced Senior Microsoft Infrastructure Architect to lead the architecture, engineering, security, automation, and lifecycle management of our enterprise Microsoft infrastructure environment. This role is responsible for the continued evolution of Windows Server, Active Directory, Microsoft Entra ID, Exchange, Microsoft 365, and hybrid identity services that support critical business operations.</p><p><br></p><p>This position combines architecture, engineering, infrastructure strategy and design, and modernization initiatives. The ideal candidate is a hands-on infrastructure architect who can drive strategic improvements while remaining engaged in complex technical challenges, automation efforts, and infrastructure operations. Working closely with infrastructure, security, application, and business teams, this individual will define technical standards, guide platform strategy, and ensure highly available, secure, and scalable Microsoft services across the organization.</p><p><br></p><p>Key Responsibilities</p><ul><li>Lead the architecture, design, implementation, and ongoing improvement of enterprise Microsoft infrastructure platforms and services.</li><li>Serve as the senior technical authority for Windows, identity, messaging, and collaboration technologies across hybrid environments.</li><li>Develop and maintain infrastructure standards, architecture roadmaps, lifecycle strategies, and operational best practices that support long-term growth, scalability, security, and reliability.</li><li>Drive modernization initiatives involving Microsoft 365, hybrid identity, automation, cloud adoption, and infrastructure optimization.</li><li>Partner closely with infrastructure, security, networking, application, and business teams to deliver resilient and supportable technology solutions.</li><li>Provide architectural guidance and technical leadership for infrastructure projects, upgrades, migrations, integrations, and platform transformations.</li><li>Act as the highest level of escalation for complex infrastructure incidents, performance issues, and operational challenges, providing root cause analysis and long-term solutions.</li><li>Strengthen infrastructure security through system hardening, access management, patch governance, monitoring, vulnerability remediation, and compliance practices.</li><li>Design and implement automation solutions using PowerShell and related technologies to improve operational efficiency, consistency, and reliability.</li><li>Evaluate emerging technologies and industry best practices, making recommendations that improve infrastructure resiliency, scalability, supportability, and cost effectiveness.</li><li>Develop and maintain architecture documentation, standards, procedures, diagrams, and operational runbooks.</li><li>Mentor engineers and administrators by sharing expertise, reviewing technical approaches, and promoting engineering excellence and operational discipline.</li></ul><p><br></p><p>Interested candidates should contact sally.lander@roberthalf.(com).</p>

<p>Required Qualifications</p><ul><li>10+ years of experience designing, engineering, and supporting enterprise Microsoft infrastructure environments.</li><li>Deep expertise with Windows Server, Active Directory, Microsoft Entra ID, Exchange Online, Exchange Hybrid, and Microsoft 365 platforms.</li><li>Strong experience supporting hybrid infrastructure environments that integrate on-premises technologies with cloud services.</li><li>Advanced PowerShell scripting and automation experience.</li><li>Experience leading enterprise infrastructure projects, modernization initiatives, upgrades, and migrations.</li><li>Strong understanding of identity and access management, cybersecurity principles, system monitoring, disaster recovery, backup and recovery, and operational best practices.</li><li>Proven ability to troubleshoot complex technical issues, perform root cause analysis, and lead resolution efforts during critical incidents.</li><li>Experience developing technical standards, architecture guidance, lifecycle plans, and operational procedures.</li><li>Exceptional communication skills with the ability to translate technical concepts into practical business recommendations.</li><li>Demonstrated ability to influence technical direction, mentor team members, and provide leadership across infrastructure teams.</li></ul><p><br></p><p>Preferred Qualifications</p><ul><li>Experience with Azure services and hybrid cloud infrastructure.</li><li>Experience with Infrastructure as Code (IaC), DevOps practices, CI/CD pipelines, Terraform, Azure DevOps, or related automation tools.</li><li>Experience supporting enterprise virtualization platforms.</li><li>Microsoft certifications related to Azure, Microsoft 365, Security, Identity, Exchange, or Windows Server technologies.</li><li>Experience supporting large-scale, multi-site, or global environments.</li><li>Familiarity with ITIL-based service management practices and operational frameworks.</li></ul><p><br></p><p>This role offers an opportunity to influence the future direction of a complex Microsoft ecosystem while remaining hands-on with the technologies that power the organization&#39;s core infrastructure services.</p><p><br></p>

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