Lead IT Security ArchitectOffice 365

We are seeking a hands-on Microsoft Office 365 Security Lead who will act as both the strategic owner and technical subject matter expert (SME) for Microsoft 365 security. This role is responsible for partnering and executing the security roadmap, driving operational efficiencies, and configuring and optimizing security controls across the Microsoft 365 ecosystem. The ideal candidate is equally comfortable setting the operational strategy, translating cybersecurity requirements into real, enforceable Microsoft 365 configurations, and serving as the go-to authority for Office 365 security across the enterprise.

Microsoft 365 Security Ownership & SME Role

Serve as the primary SME and architect for Microsoft Office 365 security across the enterprise

Drive the operational excellence for Microsoft 365 security platform, including managing prioritizations, collaborating on design decisions, and phased execution

Stay hands-on with tenant configuration, policy tuning, feature rollouts, and troubleshooting

Act as the escalation point for complex Microsoft 365 security issues and design decisions

Infrastructure Operation Security

Design, implement, and maintain security controls across: Exchange Online (email and messaging security), Intune, OneDrive and Teams

Configure and optimize: Conditional Access policies, Identity Protection, Tenant restrictions, External collaboration controls

Partner with key stakeholders to drive the implementation of Zero Trust principles across identity, devices, applications, endpoints and data.

Continuously evaluate and improve security based on threats, telemetry, and Microsoft best practices.

Knowledge of Microsoft Purview, Data Loss Prevention (DLP), Sensitivity labels and encryption, Digital Rights Management (DRM), Active Directory Rights Management Services (ADRMS)

Evaluate emerging Microsoft security features and technologies, integrating them into the roadmap where appropriate

Understand and apply AI security fundamentals, data protection, and access controls across the enterprise.

Drive improvements in Email and phishing protection, Threat detection and investigation, Automated and manual response workflows

Cross-Functional Leadership & Influence

Serve as the Microsoft 365 security partner to the Cybersecurity organization

Lead and influence cross-functional, dotted-line teams across infrastructure, identity, applications, and compliance

Work effectively in a multinational environment across multiple time zones and cultures

Communicate security decisions, risks, and trade-offs clearly to technical and non-technical stakeholders

Partners with Cybersecurity, Legal, Privacy, and Compliance teams to translate policy into enforceable technical controls

Doctorate (Academic) Degree and related work experience of 3 years; Master's Level Degree and related work experience of 6 years; Bachelor's Level Degree and related work experience of 8 years.

Core Technical Expertise

Experience working in large, multinational enterprises of 10000 users+

Deep, hands-on experience with the Microsoft 365 security ecosystem

Strong expertise in: Microsoft Defender, Microsoft Purview. eMail Data Loss Prevention (DLP), Microsoft sensitive data protection, Conditional Access, DRM and ADRMS

Strong understanding of: Zero Trust security architecture, Messaging and email security, Threat response and incident handling and Data governance frameworks

Proven experience as a hands-on architect who can drive roadmaps and operational efficiencies

Strong collaboration skills across infrastructure, application, and cybersecurity teams

Demonstrated ability to lead without direct authority (dotted-line teams)

Excellent communication and stakeholder management skills

Preferred Qualifications

Microsoft Security certifications (SC-100, SC-200, SC-300, SC-400)

Experience with M&A integrations from a Microsoft 365 security perspective

Experience aligning Microsoft 365 security to... For full info follow application link.

Company OverviewKLA is a global leader in diversified electronics for the semiconductor manufacturing ecosystem. Virtually every electronic device in the world is produced using our technologies. No laptop, smartphone, wearable device, voice-controlled gadget, flexible screen, VR device or smart car would have made it into your hands without us. KLA invents systems and solutions for the manufacturing of wafers and reticles, integrated circuits, packaging, printed circuit boards and flat panel displays. The innovative ideas and devices that are advancing humanity all begin with inspiration, research and development. KLA focuses more than average on innovation and we invest 15% of sales back into R&D. Our expert teams of physicists, engineers, data scientists and problem-solvers work together with the world's leading technology providers to accelerate the delivery of tomorrow's electronic devices. Life here is exciting and our teams thrive on tackling really hard problems. There is never a dull moment with us. Group/DivisionThe Information Technology (IT) group at KLA is involved in every aspect of the global business. IT's mission is to enable business growth and productivity by connecting people, process, and technology. It focuses not only on enhancing the technology that enables our business to thrive but also on how employees use and are empowered by technology. This integrated approach to customer service, creativity and technological excellence enables employee productivity, business analytics, and process excellence.