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Responsibilities
SDRB is building ReserveFi — institutional infrastructure for reserve governance, verification and evidence.Our first product is a Read-Only Reserve Governance Evidence Platform built around:ORS — Open Reserve StandardGRM — Governance Response ModuleIt provides verifiable evidence of reserve-governance processes and policy adherence without controlling institutional assets.We are looking for a Senior Cybersecurity Architect to embed security from the PoC stage and work with Solution Architecture, Business Analysis, Design Partners and Engineering.The role starts at 0.5 FTE during the PoC, with a path to full-time as SDRB moves into MVP and institutional production.Your roleDefine PoC security architecture and security-by-design principlesPerform threat modelling across integrations, data flows and workflowsDefine identity, authentication, authorisation and segregation-of-duties controlsProtect data provenance, evidence integrity, signed events and audit trailsValidate tamper-evident mechanisms for the Reserve Governance Evidence PackageDefine security requirements for APIs, source systems and integrationsReview access controls, secrets management, encryption and key managementDefine monitoring, incident-response and resilience requirementsDefine security, responsibility and trust boundaries for institutional deploymentsIndependently review architecture, security controls and implementation across EngineeringParticipate in Design Partner workshops and DiscoveryEvolve the security model from PoC to MVP and institutional productionRequirements8+ years in cybersecurity / security architectureStrong experience with enterprise or financial systemsSecurity architecture for APIs, distributed systems and cloud environmentsStrong knowledge of IAM, RBAC/ABAC, authentication, authorisation and segregation of dutiesThreat modelling, secure architecture reviews and security risk assessmentEncryption, key management, digital signatures and integrity controlsExperience with architects, engineering teams and senior stakeholdersFinancial services, banking, payments, fintech or another regulated environmentStrong advantageInstitutional digital assets / custodyBlockchain / Ethereum / EVMWallet and private-key securityCryptographic systems / digital signaturesStablecoins / tokenisation / RWADORA / MiCASOC 2 / ISO 27001 / NISTCloud security / DevSecOpsSecurity is introduced from the PoC stage, not added later. Evidence integrity, access control and clear responsibility boundaries must be part of the architecture from day one.Open to exceptional candidates internationally; location is not a limiting factor.
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