D

DT One

Global B2B mobile top-up network

Information Security Lead

Security Operations & Incident Response +1Confirmed live in the last 24 hours
Full-timeNo salary listedIn-person

About the Job

Requirements

  • A degree in Computer Science, Information Systems, or equivalent.
  • At least 5 years of experience in an information security role.
  • At least 3 years of experience implementing security monitoring and security best practices in AWS Cloud.
  • Strong knowledge of risk assessment tools, technologies, and methods.
  • Hands-on experience with ISO 27001, security audits, policy development, and Linux administration.
  • Excellent written and verbal communication skills in English.

Responsibilities

  • Serve as the focal point of contact for information security matters within the organization and with customers.
  • Keep platforms, systems, data, and information secure by applying security best practices and techniques.
  • Design, roll out, and lead the information security vendor risk assessment program, conducting pragmatic first-level due diligence with partners to safeguard sensitive data shared to enable services.
  • Define and configure default security capabilities and best practices in collaboration with infrastructure and other teams.
  • Identify security risks early and ensure they are addressed before they become problems.
  • Manage security policies and identify and respond to intrusions using anti-malware protection, intrusion detection, and intrusion prevention systems.
  • Enforce corporate and security infrastructure policies across teams.
  • Define logging and monitoring required to validate platform and data security.
  • Set up, monitor, correlate, and investigate security alerts to detect and resolve incidents.
  • Work with the engineering team to assess platform and system security before production.
  • Keep up to date with security trends, innovations, and best practices.
  • Define relevant key performance indicators and metrics to assess and track platform security events, and provide reporting.
  • Provide security awareness training to information system users.
  • Lead the annual ISO 27001 audits and certification process.
  • Assist with internal audits.
  • Perform regular internal vulnerability scans and assessments.

Desired Qualifications

  • Professional qualifications or certifications such as CISSP, CCSP, ISO 27001 Implementer, or ISO 27001 Auditor.
  • Experience supporting cloud and infrastructure technology stacks, including Amazon AWS, Terraform, Ansible, Docker, HAProxy, Nginx, ELB/ALB, ELK, Prometheus, Grafana, ECS/EKS/Kubernetes, Fluentd, and Elasticsearch.
  • Programming experience in Golang, JavaScript, Perl, Python, or Ruby.

About the Company

DT One

Global B2B mobile top-up network

DT One operates a B2B digital transfer network that enables mobile top-ups, data bundles, and SMS services for businesses. Businesses integrate DT One to reach billions of mobile users through a global partner network across 160 countries, using data analytics to tailor connectivity and rewards and earn revenue from inter-partner transactions. It differentiates itself with a large, global network focused on emerging economies and a single ecosystem that combines top-ups, data, and SMS with data-driven customization. Its goal is to help partners grow ROI, strengthen brand loyalty, and acquire customers by delivering reliable mobile connectivity and rewards at scale.

Company size
51-200
Company stage
Growth Equity (Venture Capital)
Total funding
$21.5M
Headquarters
Singapore, Singapore
Founded
2005

Recently Posted Jobs

Explore more opportunities at DT One

See more jobs