Senior Platform Security Architect: Threat Modeling & Hybrid Work

Allstate NI; Belfast City District; Remote; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Corporate bonus scheme

Pension scheme

Annual performance‑related pay reviews

Life assurance and income protection

Flexible working options

Hybrid working

Private medical and dental insurance

Access to an employee assistance plan

Job summary

Allstate NI, the European Digital Centre of Excellence for Allstate, seeks an experienced security engineering professional to advise engineering teams on secure architecture and threat modeling. You will lead security reviews, drive secure-by-design practices, and collaborate with multiple stakeholders to balance security with business needs.

Role offers seniority options and a focus on AI/API/SaaS security, threat modeling automation, and cloud platform security across enterprise environments.

Qualifications

• Minimum of 3 years' experience in software engineering, security engineering, solutions architecture, technical project management, solution design, or platform engineering roles within complex enterprise environments.
• Experience acting as a technical advisor, consultant, architect, or security partner supporting engineering teams during design and implementation activities.
• Deep understanding of threat modeling methodologies such as STRIDE, Attack Trees, Kill Chains, or equivalent risk assessment frameworks.
• Demonstrated experience identifying, documenting, and mitigating security threats within cloud-native, distributed, API-driven, or enterprise applications.

Responsibilities

• Serve as a trusted security consultant to engineering teams, providing guidance on secure architecture, platform design, and threat modeling practices.
• Lead threat modeling engagements across multiple applications, platforms, and business domains to identify and mitigate security risks early in the development lifecycle.
• Embed secure-by-design principles into software delivery processes, ensuring security considerations are incorporated from discovery through production deployment.
• Define, communicate, and influence platform security strategies and architectural decisions with both technical and non-technical stakeholders.
• Partner with engineering, architecture, and security teams to develop risk-based security recommendations balancing security, business objectives, and developer experience.

Skills

Security consulting

Threat modeling

Cloud security

Software engineering

CI/CD

Agile delivery

Architectural guidance

Threat modeling guidance

Tools

OpenAPI/Swagger

CI/CD tools

Job description

Allstate NI, the European Digital Centre of Excellence for Allstate, seeks an experienced security engineering professional to advise engineering teams on secure architecture and threat modeling. You will lead security reviews, drive secure-by-design practices, and collaborate with multiple stakeholders to balance security with business needs.

Role offers seniority options and a focus on AI/API/SaaS security, threat modeling automation, and cloud platform security across enterprise environments.