Senior Security Engineer (Cloud)

BTSE Group is a leading global fintech and blockchain company that is committed to building innovative technology and infrastructure. BTSE empowers businesses and corporate clients with the advanced tools they need to excel in a rapidly evolving and competitive market.

### Responsibilities - **Enterprise Security Architecture & Strategy:** - Acquire a thorough understanding of the organization's IT and information systems landscape - Lead security solutioning and design for enterprise IT systems, identifying gaps in existing security architecture and recommending changes or enhancements - Document and establish enterprise security architecture to improve the security posture of Windows, macOS, and mobile environments - Collaborate with application and infrastructure owners to define integration initiatives across all externally and internally-facing applications and systems - Plan architectural improvements and provide guidance to support developers, engineers, and analysts - Apply risk-based thinking to enable teams to make informed security decisions and prioritize effectively - **Identity & Access Management:** - Ongoing support of IAM technologies, including single sign-on, multi-factor authentication, and user lifecycle management - Manage user account lifecycle end-to-end: provisioning, securing, access reviews, and deactivation in accordance with least-privilege principles - Implement and manage role-based access control (RBAC) strategies and integrations across enterprise applications - Conduct regular access reviews and certification campaigns to ensure compliance - Implement and manage privileged access management (PAM) solutions for administrative and service accounts - **Endpoint Security:** - Deploy and maintain endpoint security tooling including mobile device management (MDM) and endpoint detection and response (EDR) capabilities - Administer productivity suite security configurations including data loss prevention, access controls, and email security policies - **Cloud & AWS Security:** - Secure cloud infrastructure services including IAM policies, security groups, VPCs, and network access controls - Implement cloud security best practices around logging, monitoring, and alerting (e.g., CloudTrail, GuardDuty, Security Hub) - Enforce least-privilege access principles across cloud environments and review permissions regularly - Support cloud workload protection, encryption key management, and secure configuration baselines

### Requirements - 5+ years of experience in enterprise security (Infrastructure/Endpoints) - 3+ years of experience in AWS/Cloud Security Roles - Experience with enterprise applications (architecture, development, support, and troubleshooting) - Hands-on experience with IAM administration and SAML/OIDC integrations - Familiarity with Google Workspace administration and security features - Knowledge of Windows, MacOS and Linux Systems (System Administration/Security Hardening) - Experience with PAM solutions - Experience with MDM platforms **Nice to haves:** - Proficiency in scripting and automation languages (Bash, PowerShell, Python) - Experience with Identity Governance and Administration (IGA) platforms - Knowledge of Zero Trust architecture principles - SCIM provisioning and automation experience - Experience with conditional access policies and risk-based authentication - Experience with web3 and blockchain technologies - Relevant certifications: CISSP, CEH, AWS Certified Security Specialty, or equivalent

### Conditions - Competitive salary: $112K-$188K - On-site position in Taipei - Opportunity to work in a leading global fintech and blockchain company

BTSE is a global blockchain technology company operating a digital asset exchange for trading over 150 cryptocurrencies, including spot and perpetual futures with high trading volume. It also provides payments solutions supporting fiat and crypto for over 50 currencies, and enterprise infrastructure like white-label exchanges and wallets. The platform serves retail traders, institutions, and businesses, bridging traditional finance and digital assets.