Lead Security Solution Architect - Banking

Experience : 10+ Years

Employment Type : Full-time

Location : Chennai

Notice Period : Immediate to 15 Days

Role Overview :

We are looking for an experienced Lead Security Solution Architect with strong expertise in enterprise security architecture and banking/open-finance security.

The role will focus on defining and reviewing secure architectures across mobile applications, APIs, network infrastructure and third-party/client-built solutions.

The ideal candidate should have hands-on expertise in Zero Trust, network segmentation, Open Banking/API security, PKI, mobile application security, RASP, attestation and WAF architecture.

Key Responsibilities :

- Develop High-Level Designs (HLD) and Low-Level Designs (LLD) covering mobile security, PKI segregation, firewall/WAF clustering and traffic segregation.
- Define security requirements, controls and acceptance criteria for client-delivered Splunk, OBS and carrier solutions.
- Develop interface and security specifications for client-built backend APIs covering telemetry, attestation and risk scoring.
- Lead the evaluation and recommendation of RASP and Mobile Threat Defence vendors.
- Chair fortnightly Design Authority and Security Design Review meetings.
- Assess residual security risks and prepare residual-risk statements for formal acceptance.
- Ensure dependencies across multiple change requests (CRs) are identified and addressed coherently from a security architecture perspective.
- Support threat modelling activities and define security testing scope in collaboration with the Test Lead.




- Review third-party and client-built solutions for compliance with enterprise security architecture and security standards.
- Provide architectural guidance to engineering and delivery teams throughout the solution lifecycle.

Essential Skills :

- Strong expertise in Enterprise Security Architecture.
- Hands-on knowledge of Zero Trust architecture and network segmentation.
- Strong understanding of Open Banking / Open Finance API security.
- Experience with mTLS, OAuth 2.0 and FAPI standards.
- Strong knowledge of PKI architecture and security controls.
- Experience in Mobile Application Security, including RASP and mobile attestation.
- Robust understanding of WAF architecture, firewall clustering and traffic segregation.
- Experience conducting security design reviews for third-party and client-built solutions.
- Strong understanding of security risk assessment and residual-risk management.
- Experience with threat modelling and security testing methodologies.

Preferred Skills :

- Experience working in Banking, Financial Services or FinTech environments.
- Knowledge of regulatory and security requirements relevant to Open Banking/Open Finance.
- Experience with Splunk and enterprise security monitoring solutions.
- Strong stakeholder management and communication skills.
- Experience leading architecture/design review forums and working with multiple technology and delivery teams.

Key Competencies :

- Security architecture and solution design
- Risk assessment and mitigation
- API and mobile security
- Threat modelling
- Security governance
- Stakeholder management
- Technical leadership and decision-making

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