Senior Application Security Architect
Remote · Belfast, Northern Ireland, United Kingdom or Ireland
Job Summary
Senior Application Security Architect responsible for guiding security initiatives across multiple interconnected products. Establish and enforce secure design patterns, reference architectures, and integration standards to enable interoperability without cross-product risk. Evaluate product architectures for security risks during design (threat modeling) and drive remediation. Serve as the security stakeholder for platform-level integration initiatives (shared identity services, API gateways, event buses, data exchange layers). Coordinate security testing for platform components and cross-product interactions. Contribute to application security standards, guidelines, and secure coding practices and drive their implementation in platform product components. Partner with legal and compliance teams to ensure regulatory requirements (SOC 2, GDPR, HIPAA, PCI-DSS) are met without compromising interoperability goals. Escalate critical security risks with clear business context and recommended remediation paths.
Required Qualifications
- 8+ years of experience in application security, software engineering, or a related field
- at least 3 years in an architecture or senior individual contributor role
- deep expertise in authentication and authorization, cryptography, input validation, API security, secrets management, and secure design principles
- experience designing secure integration across distributed systems (microservices, REST/GraphQL, event-driven architectures)
- proficiency with threat modeling methodologies (STRIDE, PASTA, or equivalent)
- hands-on experience with SAST, DAST, SCA, container scanning, and secrets detection
- proficiency in at least one of: .NET, Java, or JavaScript
- familiarity with cloud infrastructure security (AWS, Azure, or GCP)
- strong written and verbal communication skills to translate security risks into business language
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