Senior Security Engineer (AWS Cloud)

Taiwan·Taipeisenior

EngineeringSecurity Engineer

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Overview

About BTSE: 彼特思方舟 is a specialized service provider dedicated to delivering a full spectrum of front-office and back-office support solutions,

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EngineeringSecurity Engineer

About BTSE:

彼特思方舟 is a specialized service provider dedicated to delivering a full spectrum of front-office and back-office support solutions, each of which are tailored to the unique needs of global financial technology firms. 彼特思方舟 is engaged by BTSE Group to offer several key positions, enabling the delivery of cutting-edge technology and tailored solutions that meet the evolving demands of the fintech industry in a competitive global market.

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. BTSE has pioneered numerous trading technologies that have been widely adopted across the industry, setting new benchmarks for innovation, performance, and security in fintech. BTSE’s diverse business lines serve both retail (B2C) customers and institutional (B2B) clients, enabling them to launch, operate, and scale fintech businesses. BTSE is seeking ambitious, motivated professionals to join our B2C and B2B teams.

About the Opportunity:

We are looking for an Enterprise Security Engineer to manage and secure our cloud infrastructure, data center infrastructure, and server environments. This role is primarily focused on cloud security, with on-premise/data center environments as a secondary but required scope. This role is primarily AWS-based, with experience in other cloud platforms considered a plus. This is a highly autonomous role that requires strong independent judgment, proactive problem-solving, and the ability to drive cross-functional initiatives.

Proactively identify security gaps, risks, and inefficiencies across cloud and on-premise environments, and independently lead security initiatives and projects — from proposing solutions through execution — coordinating with stakeholders across Cloud, DevOps, and other functions

Own and manage cloud-native security monitoring, threat detection, and posture management, with equivalent coverage extended to on-premise/data center environments

Own and manage a centralized identity and access management platform, including permission structures, session policies, and organization-level policy guardrails, following least-privilege principles

Design and enforce encryption policies for data at rest and in transit, and conduct periodic access reviews and recertification across cloud and on-premise resources

Own the end-to-end vulnerability management lifecycle — scanning, identification, prioritization, remediation coordination, verification, and reporting — for both cloud and on-premise infrastructure

Define and enforce server hardening standards and security baselines across cloud and on-premise environments, and secure containerized environments including image vulnerability scanning, runtime security, and network policies

Develop and maintain automation scripts, tools, and frameworks to streamline security processes

Participate in incident response activities, investigate security incidents, and conduct root cause analysis

5+ years of experience in cloud security, with working knowledge of on-premise/data center security

Strong hands-on experience with AWS as your primary cloud platform

Experience with infrastructure & cloud architecture, development, support, and troubleshooting

Demonstrated ability to work independently with strong ownership — identifying problems, proposing solutions, and driving initiatives with minimal supervision

Strong cross-functional collaboration skills, particularly with infrastructure, DevOps, and engineering teams

Hands-on experience with identity and access management platforms, including access governance

Experience with security posture management and assessment tools

Understanding of compliance frameworks (ISO 27001, SOC 2, PCI-DSS)

Solid understanding of server operating systems (Linux, Windows), including hardening, patching, and baseline implementation

Strong analytical and problem-solving skills, with excellent cross-functional communication

Experience with additional cloud platforms (Azure, GCP)

Familiarity with container orchestration security (network policies, access controls, policy enforcement)

Proficiency in scripting and automation languages

Experience with secrets management solutions

Knowledge of Zero Trust architecture and conditional access / risk-based authentication

Familiarity with emerging technologies (e.g. web3/blockchain)