IT Infrastructure Security Specilaist

NTT DATA North America; Kuala Lumpur; On-site; MYR 180,000 - 240,000; Full time

Job summary

NTT DATA in Kuala Lumpur is seeking an IT Infrastructure Security Specialist to safeguard the organisation’s on‑prem and cloud infrastructure. You will implement security controls, ensure compliance with PCI DSS 4.0, and coordinate with IT custodians and risk teams.

This hands‑on role requires strong expertise in incident response, vulnerability management, DLP governance, and security documentation, with a focus on maintaining a resilient security posture in a financial services context.

Qualifications

• Bachelor’s degree in Information Security, Computer Science, or related field.
• 7+ years of IT security experience, with at least 4 years in infrastructure security within financial industries.
• Professional cybersecurity certifications such as CISSP, CISM, CISA, or CCSP are preferred.
• Strong knowledge of firewall technologies, vulnerability management, and DLP tools.
• Experience with PCI DSS 4.0 compliance and other financial industry regulatory requirements.
• Familiarity with threat intelligence, cyber insurance, and IT risk management practices.

Responsibilities

• Establish, maintain, and periodically review SOPs for BAU infrastructure security management.
• Ensure security policies and standards across on-premises, cloud, and hybrid platforms.
• Establish and maintain processes aligned with PCI DSS 4.0 requirements.
• Maintain and improve processes and documentation related to infrastructure security.
• Perform firewall rule reviews to ensure policy compliance.
• Monitor remediation of security findings from internal NVA.
• Manage DLP exception requests and governance workflows.
• Oversee internal NVA and wireless penetration tests, including triage and remediation.
• Disseminate Cyber Threat Intelligence to IT custodians for risk assessment.
• Coordinate cyber insurance review and renewal processes with security docs.
• Prepare and manage monthly infrastructure security KPI reports.

Skills

Firewall technologies

Vulnerability management

DLP tools

PCI DSS 4.0 compliance

Threat intelligence

Cyber insurance

IT risk management

Education

Bachelor’s degree in Information Security, Computer Science, or related field

Job description

We are currently seeking an IT Infrastructure Security Specialist to join our team in Kuala Lumpur, Wilayah Persekutuan Kuala Lumpur (MY-14), Malaysia (MY).

About The Job

Infrastructure Security Specialist will be responsible for ensuring the security, compliance, and resilience of the organisation’s IT infrastructure. This role is an individual contributor position that requires hands‑on technical expertise in infrastructure security management, compliance frameworks (including PCI DSS 4.0), and operational security processes. The individual will work closely with IT custodians, risk management, and internal stakeholders to maintain a strong security posture.

• Establish, maintain, and periodically review standard operating procedures (SOPs) for business-as-usual (BAU) infrastructure security management.
• Ensure security policies and standards are consistently implemented across on-premises, cloud, and hybrid platforms.
• Establish and maintain processes aligned with PCI DSS 4.0 requirements to support ongoing compliance readiness.
• Maintain and continuously improve processes and documentation related to infrastructure security.
• Perform firewall rule reviews on a periodic basis, ensuring compliance with security policies and risk tolerance.
• Monitor, track, and follow up on remediation of security findings from internal network vulnerability assessments (NVA).
• Manage Data Loss Prevention (DLP) exception requests and ensure proper governance and approval workflows.
• Oversee the execution of internal NVA and wireless penetration tests, including triage and remediation coordination.
• Ensure timely dissemination of Cyber Threat Intelligence (CTI) to IT custodians for risk assessment and action.
• Coordinate and support cyber insurance review and renewal processes, providing relevant security documentation and updates.
• Prepare, track, and manage monthly infrastructure security KPI reports for management and stakeholders.

We Are Looking For People Who

• Bachelor’s degree in Information Security, Computer Science, or related field.
• 7+ years of IT security experience, with at least 4 years in infrastructure security within financial industries.
• Professional cybersecurity certifications such as CISSP, CISM, CISA, or CCSP are preferred.
• Strong knowledge of firewall technologies, vulnerability management, and DLP tools.
• Experience with PCI DSS 4.0 compliance and other financial industry regulatory requirements.
• Familiarity with threat intelligence, cyber insurance, and IT risk management practices.

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 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 a part of NTT Group, which invests over $3 billion each year in R&D.

Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees.

NTT DATA endeavors to make https://us.nttdata.com accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at https://us.nttdata.com/en/contact-us.

NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For Pay Transparency information, please click here.