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DT One

Global B2B mobile top-up network

Information Security Lead

Full-TimePosted on 10/20/2026
No salary listed
Senior
Bachelor's
Manila, Metro Manila, Philippines+1 moreMore locations: Singapore
In Person
CybersecuritySecurity Operations & Incident Response, Security Governance, Risk & Compliance

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 operates a B2B digital transfer network that provides mobile top-ups, data bundles, and SMS services to businesses. It connects 1,000+ telecom and digital partners across 160 countries to reach over 5 billion mobile users in emerging markets. Businesses use its platform and data insights to offer top-ups, data, and rewards, driving customer acquisition and brand loyalty. Its strength lies in a large, global network and a unified ecosystem that scales connectivity and rewards to maximize ROI for partners.

Company Size

51-200

Company Stage

Growth Equity (Venture Capital)

Total Funding

$21.5M

Headquarters

Singapore, Singapore

Founded

2005

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Simplify's Take

What believers are saying

  • January 2026 Grab Indonesia eSIM launch proves super-app demand for embedded connectivity.
  • March 2026 Bitget Wallet expanded DT One into stablecoin-funded top-ups across 170 countries.
  • The August 2025 ISO 27001 recertification strengthens enterprise sales into banks and regulated platforms.

What critics are saying

  • Grab Indonesia and Bitget Wallet integrations concentrate revenue inside third-party platforms.
  • Telecom operators and wallet partners can compress margins or bypass DT One by 2027.
  • Crypto-linked top-ups face AML scrutiny; one enforcement shock can kill partner trust.

What makes DT One unique

  • DT One combines airtime, data, eSIM, and voucher rails in one B2B network.
  • The 2025 DENT Telecom acquisition added embedded eSIM capabilities and execution depth.
  • Its 2,800-partner, 190-plus-country network gives fintechs and super apps instant reach.

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Benefits

  • Health Insurance
  • Life Insurance
  • Hybrid Work Options
  • Paid Holidays
  • Paid Vacation
  • Unlimited Paid Time Off
  • Flexible Work Hours
  • Wellness Program
  • Mental Health Support
  • Conference Attendance Budget
  • Learning & Development budget
  • Stock Options

Growth & Insights and Company News

Headcount

6 month growth

3%

1 year growth

7%

2 year growth

3%
PR Newswire
Jan 20th, 2026
DT One launches Tunz eSIM on Grab Indonesia for instant global mobile connectivity

DT One has launched Tunz eSIM on Grab Indonesia, enabling Indonesian travellers to purchase and activate global mobile data instantly within the Grab app. This marks the first eSIM integration into Grab in Indonesia. The service allows users to buy mobile data before departure or upon arrival overseas and connect immediately without changing SIM cards or visiting telecom stores. The rollout is exclusive to Indonesia and designed specifically for Indonesians travelling abroad. DT One's Tunz eSIM technology supports on-demand mobile data access in over 140 countries. For Grab Indonesia, the integration adds a new digital service complementing its existing mobility, payments and lifestyle offerings, enabling the company to deepen user engagement and support travellers within a single platform.

DT One
Sep 24th, 2025
DT One Acquires DENT Telecom to Supercharge Global eSIM Connectivity | DT One

Sep 23, 2025 - DT One, the world’s leading B2B superhighway for cross-border digital transfers, today announced its acquisition of DENT Telecom (“DENT”), a pioneer in embedded telecom and one of the most advanced eSIM platforms in the world.

FinTech Futures
Apr 24th, 2024
B2B micropayments platform DT One names Claudio Di Zanni as new CEO

DT One, a digital business-to-business (B2B) micropayments platform, has appointed former Moneyfarm chief operating officer Claudio Di Zanni as its new CEO.

GizGuide
Apr 21st, 2023
You can now buy load from 21 countries using GCash!

GCash has partnered with DT One, a prominent global provider of digital transfer solutions, to enable the latest worldwide offering from the financial super app.

Technext
Feb 16th, 2023
Gozem Secures New Partnership To Ease Mobile Airtime Recharge In Africa, Starting With Benin

Gozem, the African super app operating in francophone west and central Africa, has partnered with DT One, a leading provider of digital transfer solutions, to launch a new airtime recharge service. With DT One’s technology integration, Gozem users can now easily recharge their loved ones’ mobile airtime directly from the app’s integrated wallet. According to a statement seen by Technext, the service will initially be available in Benin, with plans to expand to other countries. Gozem is a super app that provides a suite of mobility, ecommerce, and financial services to consumers, drivers and retailers. It operates in 14 cities across Togo, Benin, Gabon, and Cameroon, with more than 800,000 registered users who have completed more than 12 million trips since its launch in November 2018. Gozem’s mission is to simplify and enhance its users’ lives through a comprehensive digital ecosystem, which already includes services such as ordering a taxi or motorbike ride, meals, shipping parcels, and home delivery of gas. Jean-Martial Moulaud, Group Director at Gozem, explained that the partnership with DT One and the addition of the airtime recharge service furthers this goal. “We’re proud to offer this new functionality to our Gozem community, furthering our mission to bring world-class services to French-speaking Africa.” DT One helps over 5 billion mobile consumers maintain quality digital and social connections across emerging economies. It offers a network of non-cash micropayments and digital pre-pay partners to businesses worldwide with a vast network spanning 160+ countries and over 1,800 partners, including ATT, Vodafone, Binance Pay, PayPal, MoneyGram, Western Union, and WorldRemit,In the same vein, Peter De Caluwe, CEO of DT One, stated, “This partnership allows us to bring fast, secure, and low-cost mobile top-up solutions to users across French-speaking Africa, promoting financial inclusion