Lead Security Solution Architect
First seen by Alion on Sep 30, 2026.
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.
- Strong 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
Skills
WAF, Security Architect, Microsoft PKI, OAuth, Security, Solution Architect, Cyber Security, Applications Security