ESB & Digital Channels Security Specialist – CRDB Bank January 2026

ESB & Digital Channels Security Specialist – CRDB Bank

Job Purpose

The ESB & Digital Channels Security Specialist is responsible for protecting the bank’s integration layer and customer-facing digital platforms. The role ensures confidentiality, integrity, and availability of services across the Enterprise Service Bus (ESB) and digital banking channels, including mobile banking, internet banking, agency banking, USSD, card switching, and open APIs.

The position designs and enforces security controls for APIs and channel applications, monitors threats and anomalies, manages certificates and secrets, and supports secure change, patching, and incident response. Working closely with architecture, digital banking, core banking, SOC, risk, and vendors, the role ensures secure, compliant, and resilient digital banking services.

Key Responsibilities

• Secure the ESB middleware layer and all APIs connecting critical banking systems
• Manage API gateways and proxies to enforce authentication, authorization, rate limiting, and threat protection
• Conduct security reviews for ESB and digital channel platforms
• Coordinate penetration testing and security assessments for channels and integrations
• Implement controls against common digital channel attacks and fraud patterns
• Define and maintain security architecture patterns for ESB, APIs, and channel integrations
• Manage certificate lifecycle, encryption keys, secrets, and token rotation
• Design SIEM and fraud monitoring use cases for APIs and digital channels
• Perform threat modeling for new digital channel features and partner APIs
• Support DAST, mobile application security testing, and API penetration testing
• Collaborate on WAF, API gateway policies, and bot protection controls
• Review mobile SDK security and app hardening measures such as obfuscation and certificate pinning
• Ensure logging, monitoring, and traceability across ESB, channels, and backend systems
• Act as the primary cybersecurity subject matter expert for ESB and digital channel platforms
• Perform additional duties as assigned by management

Qualifications and Experience

• Bachelor’s degree in Computer Science, Cybersecurity, Software Engineering, or a related field
• Minimum of 3 years’ experience in cybersecurity with focus on integration, API, or digital channel security within financial services
• Professional certifications such as CISSP, CEH, OSCP, or CSSLP are an added advantage
• Strong understanding of ESB platforms and their interaction with digital channels
• Experience in certificate lifecycle management and secure coding standards
• Solid knowledge of mobile and web application security
• Familiarity with security frameworks such as NIST, ISO 27001, and PCI DSS
• Basic understanding of DevSecOps, CI/CD pipeline security, and cloud platforms
• Knowledge of ICT infrastructure, networking, and application development
• Experience with API gateway configuration, API security policy design, and secrets management
• Ability to design SIEM use cases for API and channel security telemetry
• Strong analytical, problem-solving, documentation, and collaboration skills

CRDB Bank Commitment

CRDB Bank is committed to Sustainability and ESG principles and promotes an inclusive workplace. Applications from women and persons with disabilities are strongly encouraged.

CRDB Bank does not charge any fees during the recruitment or application process. Any request for payment should be disregarded.

Only shortlisted candidates will be contacted.

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