The Chief System Assurance Officer (CSAO) organization is responsible for establishing a Global Sovereign System Assurance Framework, ensuring that Ant International's cross-border payment systems are intrinsically Visible, Controllable, Verifiable, Auditable, and Sustainable.

Head of System Assurance (Verifiability) will lead Ant International's cryptographic trust architecture and verifiable compliance framework, ensuring that system integrity, data protection, and compliance are:

• Cryptographically provable (not trust-based)

• Tamper-resistant and independently verifiable

• Aligned with global regulatory expectations

• Embedded into system design and operations

One-line mandate:

Build cryptographic assurance systems that make Ant International provably compliant, tamper-proof, and regulator-verifiable by design.

Key Responsibilities

1. Cryptographic Architecture & Key Sovereignty

• Design and implement global cryptographic architecture for payment systems

• Own Key Management Systems (KMS), including lifecycle, rotation, and access control

• Ensure key sovereignty and jurisdictional control aligned with regulatory requirements

• Enforce strong encryption standards (data at rest, in transit, in use)

2. Verifiable Systems & Tamper-Proof Logging

• Design tamper-proof logging and immutable audit trails

• Implement cryptographic integrity mechanisms (e.g., hashing, signing, chaining)

• Enable independent verification of system behavior and transactions

3. Secure Computation & Advanced Trust Technologies

• Evaluate and deploy Trusted Execution Environments (TEE) and secure enclaves

• Implement privacy-preserving computation and secure data processing (if applicable)

• Explore advanced techniques such as zero-knowledge proofs or verifiable computation

4. Cryptographic Compliance & Regulatory Alignment

• Align cryptographic controls with global regulatory and certification standards

• Provide regulator-verifiable proof of system integrity and compliance

• Support audits, inspections, and independent validation of cryptographic controls

5. Don't Trust Us, Verify Us Architecture

• Lead the design of verifiable-by-default systems

• Enable real-time verification capabilities for regulators and auditors

• Integrate cryptographic assurance into Control Tower and compliance platforms

6. Global Coordination & Engineering Integration

• Partner with Security, Cloud, Data, Engineering, and Compliance teams

• Embed cryptographic controls into DevSecOps, platform engineering, and system design

• Align with Regional Assurance Hubs for localized regulatory implementation

Key Deliverables

Fully implemented cryptographic proof-based compliance system
Tamper-proof, regulator-verifiable audit infrastructure
Proven end-to-end integrity guarantees for critical financial systems
Integration of cryptographic assurance into global Control Tower and audit frameworks

Requirements

10+ years in cryptography, security engineering, or applied cryptographic systems
Strong experience in financial-grade or highly regulated systems
Deep understanding of: encryption, key management, and cryptographic protocols; secure logging, integrity verification, and auditability; and secure system design and distributed architectures
Experience in regulatory compliance and audit environments
AI Native design ability.

Preferred Qualifications

• Experience with TEE, secure enclaves, or confidential computing

• Familiarity with advanced cryptographic techniques (e.g., zero-knowledge proofs, MPC)

• Experience in large-scale distributed systems or payment platforms

• Exposure to global regulatory expectations for cryptographic controls

Leadership & Personal Attributes

• Strong ownership mindset with security-first and proof-oriented thinking

• Ability to translate complex cryptographic concepts into regulator-understandable assurance

• High integrity and commitment to trust, transparency, and system integrity

• Excellent cross-functional collaboration and stakeholder management skills

Why Join Us

This role is critical to building next-generation, provable trust infrastructure, offering the opportunity to:

Define industry-leading standards for verifiable compliance in financial systems
Work at the forefront of cryptography, regulation, and global payments
Replace trust-based compliance with mathematically provable assurance
Enable global regulatory trust through technology innovation