06.09.2026 aktualisiert

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Linux Automation & Cloud Infrastructure Specialist

Taichung, Taiwan
Nur Remote
Ph.D. in Experimental Physics
Taichung, Taiwan
Nur Remote
Ph.D. in Experimental Physics

Profilanlagen

MengJuTsai_CV .pdf

Skills

UbuntuCloud-EngineeringLinuxLinux-AdministrationAnsibleGrafanaInfrastructure as Code (IaC)GitKubernetesJenkins
Linux Systems Administration & Automation
Expertise in OS configuration and security hardening across RHEL, Ubuntu, and Debian environments. Modular Ansible Playbook development for infrastructure as code, automated backup/restore workflows, and Bash scripting for operational efficiency.

Observability & Monitoring (Grafana LGAM Stack)
Turnkey deployment of the Grafana LGAM Stack including Loki, Grafana, Alloy, and Mimir, combined with Prometheus for metrics collection. Multi-channel alerting via Slack, Discord, Email, and Webhooks for real-time incident response.

Cloud Infrastructure & CI/CD (AWS/GCP)
Multi-cloud management across AWS and GCP with CI/CD pipeline automation using Jenkins and Git. IAM and SSM-based access governance, containerization with Docker, and Kubernetes administration including RBAC and SCC.

Containerization & Docker
Dockerizing legacy and modern applications for cross-departmental deployments. Management of containerized PostgreSQL lifecycles including cross-environment data migration and automated backup/recovery routines.

Python & Scientific Scripting
Python-based instrumentation control using PySerial and NI-DAQ, automated diagnostic scripts, and development of test suites for complex physics and mathematical models. Libraries used include NumPy, SciPy, and PyQt.

PostgreSQL Database Management
Lifecycle management of PostgreSQL databases including backup strategies, cross-environment migration, and automated recovery routines in containerized and cloud environments.

Hardware-Software Integration & Scientific Automation
Engineering of centralized control systems connecting microwave sources, feedback loops, and imaging hardware using Python and C++ APIs. Development of automated data pipelines and real-time parameter analysis via serial interfaces.

AI & LLM Evaluation
Evaluation of frontier Large Language Models in the physics domain, validating model adherence to fundamental physical laws and mathematical reasoning. Development of automated Python test suites for benchmarking model accuracy and providing RLHF fine-tuning feedback.

Security Hardening & ISO 27001 Compliance
Infrastructure hardening to support corporate ISO 27001 ISMS certification. Integration of AWS Systems Manager as primary connection protocol to eliminate SSH key rotation overhead and enforce IAM-based access control.

Erfahrung

Berufserfahrung0 - 5 Jahre
Freelancer seit2026

Sprachen

GermanGrundkenntnisseEnglishverhandlungssicher

Projekthistorie

LLM Evaluation & RLHF Specialist (Contractor)

Turing Software
Evaluated frontier Large Language Models in the physics domain, validating model adherence to fundamental physical laws and rigorous mathematical reasoning. Engineered automated test scripts and evaluation pipelines for complex quantum and classical mechanics problems to benchmark model accuracy and provide fine-tuning feedback. Collaborated asynchronously with distributed international engineering teams to optimize scientific model performance under strict review rubrics.

Cloud Engineer

Da Fon Environmental Technology Co., Ltd.
Deployed an end-to-end Grafana LGAM stack (Loki, Grafana, Alloy, Mimir) for centralized log and metric collection across VMs and containerized services with real-time multi-channel incident alerting. Architected a modular CI/CD framework using parameter-driven Ansible Playbooks managing automated configuration across AWS and GCP. Integrated AWS Systems Manager (SSM) to eliminate SSH key rotation overhead and enforce IAM-based access control. Containerized and deployed 8+ cross-departmental projects and managed containerized PostgreSQL lifecycles. Optimized cloud workloads achieving a 34% reduction in monthly AWS operational expenditure and spearheaded infrastructure hardening to secure corporate ISO 27001 ISMS certification.

Backend / LLM Automation Intern

PEGATRON Corporation
Developed a FastAPI-based backend integrated with LLMs to automate infrastructure and instance status inquiries. Implemented the client-facing query interface via LINE Messaging API for real-time mobile operational status queries.

Lead System & Automation Engineer

IAMS, Academia Sinica
Engineered centralized control systems connecting microwave sources, feedback loops, and imaging hardware using Python and C++ APIs. Developed daily diagnostic pipelines executing automated health checks, data logging via serial interfaces (PySerial), and real-time parameter analysis. Refactored monolithic LabVIEW control software into a lightweight hybrid architecture (Python, PyQt, C++), reducing runtime footprint from gigabytes to tens of megabytes. Co-authored peer-reviewed research in Physical Review Letters through computational state modeling and automated image-processing algorithms.

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