Information Security Architect
Unit4 · Lisbon, Lisbon, Portugal · Remote
Posted Aug 10, 2026
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At Unit4, we’re in Business for People. The Global Security organisation protects our people, platforms, products, and customers by driving secure design, resilience, and maturity across the entire business. As we strengthen our architecture capability across CISO, IT, and CloudOps, we are seeking an experienced Security Architect to partner across the enterprise and help shape Unit4’s future‑state security landscape. 
This role sits within the CISO Security Team but works with Product/Engineering, Enterprise Architecture and CloudOps. You will play a pivotal role in designing, governing, and embedding secure architectural principles across Unit4’s technology estate. 
 
Job Description  
The Security Architect will develop, and mature Unit4’s enterprise security architecture across cloud, infrastructure, identity, SaaS, and endpoint domains. You will collaborate with senior stakeholders, guide teams, and translate business strategy and risk into secure, scalable, and pragmatic designs. 
This is a hands‑on architectural role for someone who thrives in complex environments, can operate strategically and tactically, and who brings expertise across security architecture, cloud, and modern enterprise platforms. 
 
Key Responsibilities 
Enterprise Security Architecture  
Lead the security target state architecture and multi-year roadmap, aligning risk reduction and business outcomes; socialize tradeoffs with leadership. 
Lead enterprise architecture assessments across multiple environments, including:   Cloud (Azure) security and network infrastructure, including Kubernetes 
Identity & access management (zero trust, conditional access, PAM/PIM) 
CI/CD pipelines and secure software development 
AI / LLM 
Partner closely with Cloud Ops and Product Architecture to ensure security is designed into enterprise platforms and product roadmaps. 
Develop security reference architectures, and patterns aligned to Unit4’s security vision. 
Design and implementation of layered enterprise security architectures, ensuring defence-in-depth and resilience across digital estates. 
Act as a architectural authority in engagements interdepartmentally, providing well reasoned viewpoints on security principles, technologies, and patterns. 
Ensure architectural decisions incorporate regulatory, customer, and audit requirements and are evidenced through pattern adoption and architecture reviews. 
Partner closely with Product/Engineering, Enterprise Architecture and CloudOps to embed security controls, influence technology decisions, and ensure alignment to security strategy. 
Engage with senior…