Microsoft Security Solutions_Senior Security Architect

At Fujitsu, our purpose is to make the world more sustainable by building trust in society through innovation. Founded in Japan in 1935, Fujitsu has been a pioneer in technology and innovation for decades. Today, as a world-leading digital transformation partner, we are committed to transforming business and society in the digital age.

With approximately 130,000 employees across over 50 countries, Fujitsu offers a broad range of products, services, and solutions. We collaborate with our customers to co-create solutions that drive enterprise-wide digitalization while actively working to address social issues and contribute to the United Nations Sustainable Development Goals (SDGs).

Key Responsibilities

Microsoft Security Solutions

• Architect and guide implementation of Microsoft Defender XDR, Defender for Endpoint, Defender for Identity, Defender for Cloud, Defender for Office 365, and Defender Vulnerability Management.
• Design Microsoft Sentinel SIEM and SOAR solutions, including data onboarding, analytics, automation, workbooks, threat hunting, and incident workflows.
• Design identity security using Microsoft Entra ID, Conditional Access, MFA, Identity Protection, Privileged Identity Management, and identity governance capabilities.
• Design data security and compliance solutions using Microsoft Purview, Information Protection, Data Loss Prevention, and compliance capabilities.
• Design endpoint and device security capabilities using Microsoft Intune and associated security baselines.
• Define integrations across Microsoft security services, Azure, on-premises platforms, third-party security technologies, and IT service management platforms.

Security Architecture and Consulting

• Lead cybersecurity architecture assessments, advisory engagements, and transformation programs.
• Design enterprise security architectures aligned with Zero Trust principles and customer business objectives.
• Develop high-level designs, low-level designs, reference architectures, security roadmaps, and implementation patterns.
• Assess customer security posture and translate security gaps into clear business and technology risks.
• Design identity, endpoint, cloud, network, data protection, and security operations capabilities.
• Advise technical and executive stakeholders on cyber strategy, governance, risk, and compliance.
• Align recommendations with relevant frameworks such as NIST CSF, ISO 27001, CIS Controls, and customer regulatory obligations.

Pre-Sales and Business Development

• Support account and sales teams in customer pursuits and strategic opportunities.
• Lead discovery sessions, technical workshops, architecture reviews, and solution demonstrations.
• Develop Statements of Work, proposals, solution designs, assumptions, dependencies, effort estimates, and delivery approaches.
• Present proposed architectures and business outcomes to technical and executive audiences.
• Identify opportunities for advisory, implementation, optimization, and recurring managed security services.

Delivery Leadership

• Provide architectural leadership from discovery through design, implementation, transition, and operational acceptance.
• Govern solution quality and confirm that delivery remains aligned with approved architecture and customer requirements.
• Manage technical risks, architectural decisions, assumptions, dependencies, and design exceptions.
• Review customer implementations and recommend improvements that increase security value and reduce risk.
• Mentor consultants, engineers, and junior architects, and contribute to practice capability development.

Service Innovation and Thought Leadership

• Create reusable reference architectures, delivery accelerators, templates, workshops, and technical enablement materials.
• Contribute field insight to Fujitsu cybersecurity service development and continuous improvement.
• Produce whitepapers, blogs, webinars, executive briefings, and other thought-leadership content.
• Stay current with Microsoft security, cloud infrastructure, AI security, regulatory developments, and industry good practice.

Required Skills and Experience

Technical Expertise

Identity and Access Management: Microsoft Entra ID, Conditional Access, MFA, Identity Protection, PIM/PAM, identity governance, SSO, and federation.

Security Operations: Microsoft Sentinel, SIEM, SOAR, threat hunting, detection engineering, incident response, security monitoring, and analytics.

Microsoft Defender Suite: Defender XDR, Defender for Endpoint, Defender for Identity, Defender for Cloud, Defender for Office 365, and vulnerability management.

Cloud and Platform Security: Microsoft Azure security, CSPM, workload protection, hybrid security architecture, and integration with third-party platforms.

Data Security and Compliance: Microsoft Purview, Information Protection, DLP, data governance, and compliance management.

Architecture and Risk: Security principles, enterprise architecture, threat modelling, risk management, control design, and security governance.

Professional Experience

Mandatory

• 10+ years of cybersecurity experience.
• 5+ years of Microsoft security architecture or engineering experience.
• Demonstrated experience designing enterprise security architectures and leading customer-facing consulting engagements.
• Experience developing SOWs, proposals, solution designs, delivery estimates, and technical presentations.
• Ability to communicate security gaps and associated business risks to executives.
• Strong consulting, problem-solving, facilitation, documentation, organization, and stakeholder-management skills.
• Ability to work independently, lead multidisciplinary teams, and deliver high-quality outcomes on time and within agreed scope.
• Flexibility to support customers remotely and on-site; travel may be required based on engagement needs.

Preferred

• Experience in MSSP, MDR, SOC transformation, security advisory, cloud transformation, or global delivery environments.
• Exposure to OT/IoT security, AI security, enterprise architecture, and security service development.
• Working knowledge of AWS, Google Cloud, VMware, and hybrid infrastructure security.
• Experience collaborating with Microsoft sellers, partner teams, and customer technical stakeholders.

Certifications

Required or Expected

• Microsoft Certified: Cybersecurity Architect Expert (SC-100), or willingness to achieve an agreed Microsoft security certification within six months of joining.
• One or more role-aligned Microsoft certifications such as SC-200, SC-300, AZ-500, or equivalent.

Preferred

• CISSP, CCSP, CISM, CRISC, SABSA, TOGAF, or Azure Solutions Architect Expert.

Education

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, Engineering, or a related discipline, or equivalent relevant experience.
• Postgraduate qualification in cybersecurity, technology, or business is advantageous.

Success Measures

• Customer satisfaction and demonstrable security outcomes.
• Quality, practicality, and governance of security architectures and designs.
• Successful delivery of Microsoft security transformation engagements.
• Contribution to pipeline, proposals, and recurring security services.
• Creation and adoption of reusable intellectual property and delivery accelerators.
• Mentoring, knowledge sharing, and growth of Fujitsu security capability.

At Fujitsu, we are committed to an inclusive recruitment process that values the diverse backgrounds and experiences of all applicants. We believe that hiring people from a wide variety of backgrounds makes us stronger, not because it's the right thing to do, but because it allows us to draw on a wider range of perspectives and life experiences.