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I-Sheng Chang 張意昇 Taipei, [email protected] https://www.linkedin.com/in/i-sheng-chang System Engineer with four years of experience in Systex Corporation, which provides various IT services for enterprise and government clients in Taiwan and Asia. Have experience in deploying, integrating, troubleshooting, technical support, customized service, and maintaining mobile device management solutions. I have IT and information security knowledge. I am passionate about learning new skills, discovering new technologies, and never hesitating to drive changes. With an ever-creative mindset, strive to

depth, and implementation of information security solutions, especially in internal audits within organizations, system implementation, and planning, implementation, and problem-solving throughout the product project lifecycle. Furthermore, I have significant work experience with Windows and Linux platforms, applying them to manual and automated testing solutions for product functionality and security. Taoyuan City, Taiwan Certifications and related courses Information Security Certification ISC2 CC (certified in cybersecurity) ISC2 CISSP (Certified in Information Security Professional) EC-Council CEH IT System-related and other certifications RedHat RHCSA RedHat RHCE Digital Electronic Circuit Inspection Class B Certification. Security Certifications and Training Courses

業化規劃 擁有專案管理師PMP認證, 技術團隊領導經驗 IT技術系統管理 Technical Leadership Enterprise Server Topology Architecture VM & Cloud Infrastructure (AWS, GCP, Azure...) Linux, Windows Server Administration Network and Security Administration Management Information System Linux, Windows 虛擬化環境建置 企業級IDC機房架構建置管理 容器化管理 資訊安全 工作經歷 七月Present 技術維運部經理，遊

P2P-based NAT penetration agent on OpenWRT devices. Implemented customer defines C base APIs on embedded routers. Developed SSL offload proxy on Marvell (was Cavium) SmartNIC . Developed VPN proxy on Marvell (was Cavium) SmartNIC . Develop a device driver for random number generator on a HSM (Hardware Security Module) includes RNG (random number generator) verification with rng-tools. Develop and maintain a PHP base cloud-based miner management system including a backend dashboard, FPGA agent and GPU agent. IT Experience: Managed company network infrastructure, including VLAN configuration and VPN setup. Skills: C, PHP, Linu

merchant portal using Node.js and PostgreSQL to align with evolving business requirements - Maintained a CI/CD platform using Jenkins and managed AWS infrastructure for the merchant domain, supporting over 10 cross-functional teams - Monitored and optimised the performance of the Klarna merchant portal system with Datadog - Implemented security features and led threat modelling sessions Software Engineer • Ingenious Technologies AG AugustJanuaryDeveloped Kubernetes service discovery utility app via the Java Kubernetes API, deployed using Docker, Kubernetes, Jenkins CI, and Google Cloud - Developed an internal web-tool for blue-green deployment - Contributed to the integration of single sign-on for

durations by 96% . Devised Python-based automated testing tool, enhancing EE and Design Quality teams' efficiency by 60% , dramatically reducing manual testing efforts. Directed 5+ RTOS training sessions in Embedded C, laying foundation for global sites transitioning to RTOS-based product ecosystem. Architected advanced embedded system security platform for server power supply systems at global sites using C. Utilized Bash for integrating various essential security-related tools into the platform. This development bolstered client trust and elevated market credibility by 25% . Designed universal calibration framework for top clients like Dell, HP and Lenovo

Infra as Code(CDK, Cloudformation, Terraform) EXPERIENCE Sr. Solutions Architect - Security • eCloudvalley Digital Tcchnology Co., Ltd. DecPresent Reviewing and analyzing clients' cloud infrastructure to identify potential security risks and vulnerabilities Developing and implementing security-focused technical solutions that align with clients' business objectives and compliance requirements Conducting security assessments to evaluate the effectiveness of existing security controls and recommending improvements Collaborating with cross-functional teams to develop incident response plans and participate in security incident response activities Staying up-to-date with the latest security trends, threats, and best practices to ensure that clients' environments remain secure