Enterprise Architect – Cyber Security

Old Mutual Limited

Architect leading security architecture initiatives across banking platforms at OM Bank. Focusing on cybersecurity, compliance, and strategic alignment with enterprise architecture.

Posted 6/18/2026full-timeJohannesburg • 🇿🇦 South AfricaSeniorLeadWebsite

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Hard Skills

security architecturecloud securityIAMnetwork segmentationsecure APIsDevSecOpsthreat modellingrisk assessmentsmitigation strategiessecurity-by-design

Soft Skills

strategic thinkingrisk and compliance mindsetleadershipmentorshipcollaboration

Tools & Technologies

AzureAWSGCPMitre attack frameworkvulnerability management platforms

Certifications & Qualifications

CISSPCISMSABSATOGAFCCSPCRISCAWS SecurityAzure Security

Industry Keywords

enterprise architecturecybersecuritySouth African financial sectorSARBFSCAregulatory compliancedigital transformation

Tech Stack

Tools & technologies

AWSAzureCloudCyber SecurityGoogle Cloud Platform

About the role

Key responsibilities & impact

Lead the Security Architecture function across the bank’s digital, cloud and core banking platforms.
Ensure architectures are secure-by-design. NIST and resilient against evolving cyber threats.
Ensure alignment of Security Architecture with Enterprise Architecture and business strategy.
Enforce security-by-design principles across align cybersecurity architecture with enterprise architecture, business goals, and digital transformation initiatives.
Design secure architectures for banking platforms including core banking, digital channels, payments, and cloud services.
Ensure the implementation of security-by-design principles across infrastructure, applications, and data flows.
Guide secure cloud adoption strategies (Azure, AWS, GCP) with emphasis on data sovereignty and compliance.
Conduct threat modelling, risk assessments, and define mitigation strategies where necessary.
Collaborate with risk and compliance teams to manage architectural risks and ensure audit readiness.
Provide technical leadership and mentorship across cybersecurity and architecture domains.

Requirements

What you’ll need

7+ years in enterprise architecture and cybersecurity.
Deep understanding of cloud and security tools and platforms.
Experience with cloud security, IAM, network segmentation, secure APIs, and DevSecOps.
Familiarity with tools like Mitre attack framework, NIST, and vulnerability management platforms.
Bachelor’s degree or relevant qualification in Cybersecurity, Computer Science, or related field.
Certifications such as CISSP, CISM, SABSA, TOGAF, CCSP, CRISC, or AWS/Azure Security are highly desirable.
Strategic thinker with a strong risk and compliance mindset.
Proven leadership in cross-functional teams and enterprise-wide initiatives.
Up-to-date with South African financial sector threat intelligence and regulatory trends.
Experience working with SARB, FSCA, or other regulatory bodies is a plus.

Benefits

Comp & perks

Health insurance
Retirement plans
Paid time off