Enterprise Security Architect — Cloud & Zero-Trust Leader

The Citco Group Limited; Cork; On-site; EUR 110,000 - 140,000; Full time

Benefits offered by this job

Flexible working arrangements

Job summary

Citco in Cork is seeking an IT Security Architect with extensive experience in enterprise security architecture to translate business and regulatory requirements into secure, scalable designs across hybrid environments.

You will lead architecture standards, reference architectures, and collaborate with Enterprise Architecture, Infrastructure, Cloud Services and Security Operations to embed security in all initiatives.

Qualifications

• 8+ years of experience in information security, enterprise architecture, security engineering, or related technology disciplines, including significant experience in security architecture.
• Experience designing enterprise security architectures across hybrid infrastructure, cloud, network, application, identity, and data security domains.
• Strong understanding of enterprise architecture principles, secure design methodologies, and security-by-design concepts.
• Experience developing security reference architectures, architecture standards, technology roadmaps, and design governance processes.
• Strong knowledge of cloud security architecture, zero trust principles, identity and access management, network security, application security, data protection, and infrastructure security.
• Experience integrating security requirements into enterprise technology projects and collaborating with cross-functional architecture and engineering teams.
• Knowledge of security risk management, regulatory compliance, and industry security frameworks such as NIST CSF, ISO 27001, CIS Controls, and Zero Trust Architecture principles.
• Ability to evaluate emerging technologies and assess their security implications within complex enterprise environments.
• Excellent analytical, strategic thinking, and problem-solving skills with the ability to balance business objectives, security requirements, and operational considerations.
• Strong verbal and written communication skills with the ability to present architectural concepts to both technical and executive stakeholders.
• Demonstrated ability to influence architectural decisions and build consensus across multiple technology and business teams.
• Preferred certifications include CISSP, CCSP, SABSA, TOGAF, GIAC, Microsoft Cybersecurity Architect Expert, or equivalents.

Responsibilities

• Develop, maintain, and evolve the enterprise security architecture roadmap aligned with business objectives, technology strategy, and risk management priorities.
• Define target-state security architectures that support enterprise transformation, cloud adoption, and digital modernization initiatives.
• Produce high-level and conceptual security architecture designs for major technology initiatives, ensuring security requirements are incorporated from project inception.
• Develop and maintain enterprise security reference architectures, design standards, and reusable security patterns across network, cloud, application, data, endpoint, and identity domains.
• Define security control requirements, integration patterns, and architectural principles that promote consistency and scalability across the enterprise.
• Review proposed technology solutions and participate in architecture review boards to ensure alignment with enterprise security standards and regulatory requirements.
• Provide architectural guidance and technical consultation to project teams, solution architects, and engineering teams throughout the project lifecycle.
• Evaluate emerging technologies, industry trends, and evolving cyber threats to recommend improvements to Citco's security architecture and technology strategy.
• Assess new security technologies and provide technical recommendations to support vendor selection and strategic investment decisions.
• Collaborate with Enterprise Architecture, Infrastructure, Cloud Services, Application Development, Risk, and Security Operations teams to ensure secure solution delivery.
• Provide architectural oversight during solution implementation to ensure adherence to approved security designs, standards, and governance requirements.
• Participate in major security incidents by providing architectural expertise, assessing enterprise impacts, and recommending strategic remediation approaches.
• Conduct post-implementation architecture reviews and identify opportunities for continuous improvement and architectural optimization.
• Develop and maintain key security architecture deliverables, including enterprise security blueprints, reference architecture, design standards, technology roadmaps, and architecture decision records.
• Stay current with industry best practices, emerging technologies, regulatory requirements, and evolving security frameworks to continuously enhance Citco's security architecture capability.

Skills

Enterprise security architecture

Cloud security architecture

Zero Trust concepts

Risk management

Regulatory compliance

Stakeholder communication

Security governance

Job description

Citco in Cork is seeking an IT Security Architect with extensive experience in enterprise security architecture to translate business and regulatory requirements into secure, scalable designs across hybrid environments.

You will lead architecture standards, reference architectures, and collaborate with Enterprise Architecture, Infrastructure, Cloud Services and Security Operations to embed security in all initiatives.