Security technician

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).

Job Description

• Investigate complex security incidents escalated from L1

• Perform detailed log analysis using KQL in Microsoft Sentinel

• Correlate events across Defender XDR, Azure AD/Entra ID, M365, endpoints, and network sources

• Identify true positives, scope of compromise, and attack patterns

• Support containment actions (account disablement, endpoint isolation, token revocation, etc.)

• Conduct threat hunting activities

• Tune and optimize analytics rules to reduce false positives

• Maintain clear investigation documentation in ticketing systems

• Participate in incident reviews and continuous improvement initiatives

Required Technical Skills

• 5–8 years of SOC experience