Senior Information Security Incident Response Lead

Make an impact with NTT DATAJoin a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive.

Key Responsibilities:

• Lead and manage complex security incidents, acting as a key contact for stakeholders.
• Perform deep analysis of security alerts to identify, mitigate, and remediate threats.
• Conduct forensic investigations on compromised hosts, networks, and cloud environments.
• Proactively hunt for adversarial activity and anomalous behaviors across large datasets.
• Analyze malware samples (basic level) to determine functionality, impact, and mitigation strategies.
• Develop and refine detection rules, improving alert fidelity and response workflows.
• Contribute to threat intelligence gathering, analyzing attack patterns, and enhancing defensive strategies.
• Participate in red teaming or penetration testing activities to identify and remediate vulnerabilities.
• Provide strategic recommendations for improving the organization’s security posture.
• Create detailed incident reports, threat intelligence assessments, and executive summaries.
• Mentor and provide guidance to junior analysts, fostering continuous improvement in IR methodologies.

Knowledge and Attributes:

• Ability to communicate and work across different cultures and social groups.
• Ability to plan activities and projects well in advance, and takes into account possible changing circumstances.
• Ability to maintain a positive outlook at work.
• Ability to work well in a pressurized environment.
• Ability to work hard and put in longer hours when it is necessary.
• Ability to apply active listening techniques such as paraphrasing the message to confirm understanding, probing for further relevant information, and refraining from interrupting.
• Ability to adapt to changing circumstances.
• Ability to place clients at the forefront of all interactions, understanding their requirements, and creating a positive client experience throughout the total client journey.

Academic Qualifications and Certifications:

• Bachelor's or Master's degree in Computer Science, Cybersecurity, or a related field.
• Minimum of 5 years of experience in cybersecurity, with at least 2 years in incident response, threat hunting, or forensic analysis.

Required experience:

• Extensive experience responding to targeted attacks from APT groups, cybercriminals, and nation-state actors.
• Strong forensic analysis skills across Windows, Linux, and macOS systems.
• Expertise in network forensics, traffic analysis, and packet inspection (Wireshark, Zeek).
• Proficiency in SIEM platforms (Splunk, Sentinel, QRadar) and EDR solutions (CrowdStrike, Microsoft Defender ATP).
• Knowledge of malware analysis techniques, including static and dynamic analysis.
• Familiarity with cloud security investigations (AWS, Azure, GCP).
• Strong scripting skills in Python, PowerShell, or similar languages for automation.
• Understanding of security architecture, authentication mechanisms, and enterprise IT operations is a plus.
• Experience with vulnerability management, red teaming, or penetration testing is a plus.
• Familiarity with MITRE ATT&CK framework and various cyber threat intelligence methodologies.

Preferred Certifications:

• GIAC (GCFA, GNFA, GCIH, GCIA, GREM)
• CISSP (Certified Information Systems Security Professional)
• CEH (Certified Ethical Hacker)
• OSCP (Offensive Security Certified Professional)
• Cloud Security Certifications (AWS Security Specialty, Microsoft Azure Security)

Key Competencies:

• Strong analytical and problem-solving skills in high-pressure situations.
• Ability to manage multiple investigations efficiently while meeting deadlines.
• Excellent verbal and written communication skills, with the ability to convey technical details to varied audiences.
• Strong team collaboration and leadership skills, with a proactive approach to knowledge sharing.
• Ability to work in a fast-paced environment and adapt to evolving threats and challenges.

#LI-APAC

Workplace type:

About NTT DATANTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services.  Our consulting and industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each year in R&D.

Equal Opportunity EmployerNTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today.

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