Senior Security Platform Engineer

**Make an impact at NTT Global Data Centers** Join NTT Global Data Centers and be part of a team that drives innovation and sustainability in the digital world. With over 150 data centers across more than 20 countries globally, we offer unparalleled opportunities to work on cutting-edge technology and transformative projects. Experience a collaborative, innovative, and inclusive workplace where your ideas are valued, and your growth is supported. **Your role at a glance** The Senior Security Platform Engineer (m/f/d), is an advanced subject matter expert, responsible for facilitating problem resolution and mentoring for the overall Global Data Centers Office of Information Security (GDC-OIS) team. This role is critical in improving, developing and maintaining IT/OT vulnerability management programs and processes. This role performs and leads important tasks specialized at threat hunting, SIEM/SOAR, Network Security and other operational security tasks such as performance and availability monitoring, log monitoring, security incident detection and response, security event reporting, and content maintenance (tuning). **What we are looking for** **Key Responsibilities:** ------------------------- •    Serves as a senior member of a 24/7 global GDC Cybersecurity team, providing leadership in IT/OT environments with required expertise in ICS and SCADA systems. •    Leads the administration and optimization of enterprise security platforms, overseeing lifecycle management including break-fix, patching, version upgrades, and integration with broader security ecosystems. •    Directs complex security incident response efforts across multiple vectors—endpoint protection, EDR, malware analysis, network and computer forensics—ensuring rapid containment and root cause analysis. •    Designs and executes advanced vulnerability assessments using both automated and manual techniques; collaborates with stakeholders to prioritize remediation based on business risk and threat intelligence. •    Oversees continuous monitoring of threat intelligence feeds and security alerts, proactively identifying emerging risks and recommending strategic countermeasures. •    Interprets and synthesizes threat reports to guide architectural improvements and validate the effectiveness of current security controls. •    Partners with cross-functional teams to develop and implement enterprise-wide mitigation strategies, configuration baselines, and patch management frameworks. •    Champions automation initiatives to streamline incident response, threat detection, and reporting workflows, leveraging available security platforms and scripting. •    Maintains and evolves the knowledge base by authoring and reviewing technical articles, playbooks, and SOPs to ensure consistency and operational excellence. •    Leads post-incident reviews, driving service recovery, documentation, and implementation of preventive measures across teams and vendors. •    Provides expert-level guidance on specialized security domains and technologies, ensuring comprehensive and efficient resolution of escalated incidents. •    Ensures meticulous incident logging and fosters collaboration across internal teams, client IT environments, vendors, and carriers to expedite resolution. •    Conducts advanced data correlation and threat hunting across diverse sources—network traffic, email logs, malware samples, web server logs, DNS records—to uncover stealthy threats and improve detection capabilities. •    Leads strategic security projects, mentors junior engineers, and contributes to the evolution of the organization’s security posture through innovation and thought leadership. **Knowledge & Attributes:** •    Multiple years experience of working in IT and/or Security Operation centers required. Experience in a  Data Center environment an added plus. •    Advanced expertise in architecting, implementing, and optimizing SIEM and security platforms across hybrid environments. Demonstrated leadership in ICS and SCADA security integration and monitoring within critical infrastructure. •    Deep knowledge on security architecture, with hands-on experience designing and integrating multi-layered security solutions across diverse technology stacks. •    Strategic customer engagement mindset with a proactive approach to anticipating security needs, influencing stakeholders, and driving continuous improvement in service delivery. •    Recognized as a strategic problem solver with a track record of resolving complex security challenges independently and leading cross-functional teams through ambiguity. •    Exceptional attention to detail in high-stakes environments, ensuring precision in threat detection, incident response, and documentation that supports audit and compliance. •    Advanced analytical acumen with the ability to synthesize threat intelligence, correlate multi-source data, and drive actionable insights for risk mitigation. •    Polished spoken and written communication skills with English as the preferred language. •    Proven leadership in global security teams, fostering collaboration across departments, mentoring junior engineers, and driving alignment between security operations and business objectives. **Academic Qualifications & Certifications:** •    Bachelor's degree or equivalent in Information Technology or related field. •    Relevant level of Security certifications such as CySA+, PenTest+, CCSP, GCIH, OSCP, CISM, CISSP etc. preferred. •    Relevant level of IT certifications such as CCNA, CCNP, RHCSA, GRID, GICSP, AZ-500, SC-200, etc. will be added advantage. Required Experience: •    Advanced experience in Security technologies like (SIEM, PAM, IAM, PenTest, Threat Hunting, Firewall, Proxy etc.) preferably within a global IT services organization.   **Who we are** As the third largest data center provider, we operate over 150 data centers in more than 20 countries and regions. We understand that every business – large and small – has its own unique needs and goals. We offer local-to-global data center expertise, aligned with our connected platform of AI-ready data centers to create solutions that enable our clients to seamlessly scale their digital businesses, anywhere and anytime.