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The IT Security Officer will support the customer's information security program across a hybrid infrastructure consisting of on-premises systems and AWS cloud services. This role is responsible for driving the vulnerability management lifecycle, maintaining the organizational Risk Register, coordinating risk acceptance and remediation activities with stakeholders, and overseeing day-to-day security operations related to signature updates and vendor vulnerability notifications. 
Key Responsibilities:
<ul>
<li>Vulnerability Management<ul>
<li>Execute and manage regular vulnerability scans across on-premises infrastructure and AWS services (EC2, S3, RDS, and other relevant services)</li>
<li>Generate, review, and distribute vulnerability scan reports to relevant technical teams and leadership</li>
<li>Follow up with Subject Matter Experts (SMEs) on outstanding vulnerability findings to ensure timely remediation or documented exceptions</li>
<li>Track remediation status and escalate overdue items per defined SLAs</li>
</ul>
</li>
<li>Risk Register &amp; Risk Acceptance<ul>
<li>Own and maintain the organization's Risk Register, ensuring it reflects current, accurate risk data</li>
<li>Draft Risk Acceptance forms for identified risks that cannot be immediately remediated</li>
<li>Coordinate with business and technical stakeholders to review, negotiate, and obtain formal approval/sign-off on risk acceptances</li>
<li>Periodically review accepted risks for continued validity and reassessment</li>
</ul>
</li>
<li>Security Operations Oversight<ul>
<li>Monitor and verify that security signature updates (AV/EDR, IDS/IPS, etc.) are applied consistently across the environment</li>
<li>Review vendor security bulletins and vulnerability notifications to determine applicability to the customer's environment</li>
<li>Ensure timely triage and action on vendor-disclosed vulnerabilities affecting in-scope systems</li>
</ul>
</li>
<li>Impact &amp; Risk Analysis<ul>
<li>Perform impact analysis on identified vulnerabilities using CVSS (Common Vulnerability Scoring System) scores</li>
<li>Contextualize CVSS base scores against the actual environment (asset criticality, exposure, compensating controls) to determine real-world risk and prioritization</li>
<li>Provide risk-based recommendations to stakeholders to support remediation prioritization decisions</li>
</ul>
</li>
<li>Reporting &amp; Communication<ul>
<li>Prepare periodic status reports/dashboards on vulnerability management, risk register status, and outstanding risk acceptances for leadership review</li>
<li>Communicate effectively with technical SMEs, business stakeholders, and management across varying levels of technical understanding</li>
</ul>
</li>
</ul>
Knowledge and Attributes:
<ul>
<li>Ability to communicate and work across different cultures and social groups</li>
<li>Ability to plan activities and projects well in advance and takes into account possible changing circumstances.</li>
<li>Ability to maintain a positive outlook at work.</li>
<li>Ability to work well in a pressurized environment.</li>
<li>Ability to work hard and put in longer hours when it is necessary.</li>
<li>Ability to apply active listening techniques such as paraphrasing the message to confirm understanding, probing for further relevant information, and refraining from interrupting.</li>
<li>Ability to adapt to changing circumstances.</li>
<li>Ability to place clients at the forefront of all interactions, understanding their requirements, and creating a positive client experience throughout the total client journey.</li>
</ul>
Academic Qualifications and Certifications:
<ul>
<li>Bachelor's degree in Information Security, Computer Science, or related field (or equivalent work experience)
</li>
<li>Hands-on experience with vulnerability scanning tools (e.g., Tenable/Nessus, Qualys, Rapid7)
</li>
<li>Working knowledge of AWS security services and shared responsibility model (e.g., Security Hub, GuardDuty, Inspector, IAM)
</li>
<li>Solid understanding of on-premises infrastructure security (servers, network devices, endpoints)
</li>
<li>Strong understanding of CVSS scoring methodology and practical risk-based prioritization
</li>
<li>Experience developing and managing Risk Registers and Risk Acceptance documentation
</li>
<li>Excellent stakeholder management and communication skills, with ability to work cross-functionally
</li>
<li>Relevant certifications: Security+, CySA+, CISSP, CRISC, AWS Security Specialty, or similar
</li>
<li>Experience with GRC tools (e.g., ServiceNow GRC, Archer)
</li>
<li>Familiarity with frameworks such as NIST 800-53, NIST CSF, or ISO 27001
</li>
<li>Experience working in a hybrid on-prem/cloud environment supporting external customers
</li>
</ul>
Required experience:
<ul>
<li>3–5+ years of experience in IT security operations, vulnerability management, or risk management
</li>
<li>Seasoned Managed Services experience handling complex Security Infrastructure.
</li>
<li>Seasoned experience required in Engineering function within a medium to large ICT organization.
</li>
<li>Seasoned working knowledge of ITIL processes.
</li>
<li>Seasoned experience working with vendors and/or 3rd parties.
</li>
<li>Strong analytical and problem-solving skills
</li>
<li>Detail-oriented with strong documentation habits
</li>
<li>Ability to influence and drive accountability without direct authority
</li>
<li>Comfortable working with ambiguity and competing priorities
</li>
</ul>
This is a 1-year fixed term contract. You should be willing to work at client site
Workplace type:
Hybrid Working 
About NTT DATA NTT 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 70 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&amp;D.
Equal Opportunity Employer NTT 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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Security Managed Services Engineer (L3)

Security Managed Services Engineer (L3)

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