Data/Integration Architect

📍 Location: Remote (Romania, Bulgaria, Poland, Czechia, Serbia, Slovakia, and other eligible European countries)

We are looking for an experienced Security & Sovereign Cloud Architect to join a strategic international programme supporting a national defence and security client. This high-profile initiative focuses on sovereign cloud adoption, secure enterprise platforms, and large-scale digital transformation within a highly regulated environment.
As a Data Scientist, you will lead the design and governance of enterprise security architecture, ensuring all programme workstreams comply with national security, regulatory, and sovereign cloud requirements. This is a senior architecture role with strong stakeholder engagement across government organisations, enterprise architects, and delivery teams.

Key Responsibilities
• Define and own the programme-wide security architecture and security standards.
• Design Zero Trust security models, Identity & Access Management (IAM), network segmentation, cryptographic controls, and data protection strategies.
• Design secure sovereign cloud deployment models, including:• Data residency and sovereignty
• Encryption at rest and in transit
• BYOK/HYOK key management
• Hardware Security Module (HSM) integration

• Lead security architecture reviews, threat modelling workshops, and security governance across multiple programme workstreams.
• Produce security architecture artefacts, including threat models, security requirements, security design patterns, and security risk registers.
• Define security guardrails and architecture principles for solution teams.
• Provide guidance on secure data flows, information classification, and cross-domain architectures.
• Review security designs from third-party vendors and system integrators.
• Participate in Architecture Review Boards (ARB), providing technical security approvals and recommendations.
• Collaborate with government security authorities, information assurance teams, and external auditors to ensure compliance.
Required Skills & Experience
• 7–12 years of experience in Cybersecurity or Security Architecture within enterprise, government, or defence programmes.
• Proven experience designing security architecture for classified, regulated, or highly secure environments.
• Strong expertise in Zero Trust Architecture, including identity-centric security, continuous verification, and micro-segmentation.
• Experience designing sovereign cloud environments on AWS GovCloud, Azure Government, Oracle Government Cloud, or equivalent platforms.
• Strong knowledge of Identity & Access Management (IAM), including:• SAML
• OpenID Connect (OIDC)
• RBAC & ABAC
• Privileged Access Management (PAM)
• Secrets Management platforms

• Experience with security frameworks and standards such as:
• ISO 27001
• NIST SP 800-53
• NCSC Cyber Essentials / CAF
• NCA Essential Cybersecurity Controls (or equivalent)

• Experience producing security architecture artefacts, including:
• Threat models (STRIDE or equivalent)
• Security design patterns
• Security requirements specifications
• Security risk registers

• Ability to engage confidently with senior stakeholders, enterprise architects, and government security authorities.
• English level: C1.
Nice to Have
• Knowledge of Saudi NCA Essential Cybersecurity Controls.
• Familiarity with Saudi NDMO Data Governance requirements.
• Experience with Trusted Execution Environments (TEE), Secure Enclaves, or Hardware Security Modules (HSM).
• Enterprise PKI design and certificate lifecycle management.
• Experience working with GCC or Saudi government organisations.
• Knowledge of FIPS 140-2/140-3 or Suite B cryptographic standards.
• Active or recent SC, DV, NATO SECRET, or equivalent security clearance.
Preferred Certifications
• CISSP (Certified Information Systems Security Professional) – Strongly Preferred
• CCSP
• AWS Certified Security – Specialty
• Microsoft Azure Security Engineer Associate
• SABSA Foundation or Practitioner
• ISO 27001 Lead Implementer or Lead Auditor
Soft Skills
• Strong leadership and stakeholder management skills.
• Excellent communication and presentation abilities.
• Ability to chair security architecture and design review sessions.
• Strong analytical thinking and problem-solving skills.
• Comfortable working in complex, multi-vendor, enterprise-scale environments.
• Ability to influence technical direction across cross-functional teams.
Team Structure
You will collaborate closely with:
• Lead / Chief Architect
• Solution Architect
• Security & Sovereign Cloud Architect
• Data & Integration Architect
This is an excellent opportunity to shape the security architecture of a large-scale sovereign cloud programme while working remotely with an international team on cutting-edge AI, cloud, and national security technologies.