Position Overview

MangoBoost ​is ​looking ​for an ​Infrastructure Engineer to build ​and ​operate a ​stable and efficient ​infrastructure environment. ​This ​role covers ​a ​broad ​scope, from data ​center ​(IDC) infrastructure operations ​to ​supporting ​AI and HPC ​environments, contributing ​to ​the reliability ​and scalability ​of ​our services. The ​ideal candidate ​will leverage a strong understanding of infrastructure to improve operational efficiency, enhance monitoring and incident response systems, and drive continuous optimization in a fast-evolving technology landscape.

Responsibilities & Opportunities

IDC Infrastructure Operations & Management

• Perform rack mounting, cabling (fiber/UTP), labeling, and asset management for servers and network equipment
• Monitor power (PUE), temperature, and humidity in real time using FMS, and respond to environmental incidents
• Optimize power distribution (PDU) for high-density GPU racks and manage hot/cold aisle configurations
• Replace faulty hardware components (e.g., disks, memory, PSU) and update firmware (BIOS, IPMI)

HPC & AI (GPU) Cluster Operations

• Build and operate GPU-accelerated AI training clusters and optimize compute resource utilization
• Manage job schedulers (e.g., Slurm) and allocate resources and quotas by user/project

Infrastructure Monitoring & Change Management

• Manage physical infrastructure changes and expansions based on MOP (Method of Procedure) documentation
• Establish integrated monitoring systems and handle incident response (on-call)

Required Qualifications

• 3–7 years of experience in infrastructure operations and management
• Hands-on experience with IDC physical operations (racking, cabling) and server hardware troubleshooting
• Experience operating Linux servers, including kernel and network performance optimization
• Experience managing large-scale GPU clusters or HPC environments
• Strong analytical skills with the ability to identify and resolve root causes of issues

Preferred Qualifications

• Experience with FMS or DCIM solutions for data center environment management
• Experience with high-speed networking such as InfiniBand or RoCE
• Experience optimizing resource utilization using HPC schedulers (e.g., Slurm, LSF)
• Experience collaborating with hardware vendors (e.g., Dell, HPE, Supermicro) for maintenance and support
• Experience in infrastructure security assessments and compliance with security guidelines
• Experience designing and operating cloud-based infrastructure (AWS, NCP)

Notice Regarding Return of Hiring Documents

• This notice is in accordance with Article 11, Section 6 of the Fair Hiring Procedure Act, which allows job applicants, excluding the final successful candidate, to request the return of any recruitment documents they have submitted.
• Job applicants who were not selected as the final candidates in the recruitment process are entitled to request the return of the recruitment documents they submitted within 180 days of the date the employment decision is confirmed. However, this does not apply to documents submitted via the website or email, or documents voluntarily submitted by the applicant without the company’s request. If the recruitment documents are lost due to natural disasters or other reasons for which the company is not responsible, it will be considered as having been returned.
• Applicants wishing to request the return of their recruitment documents should fill out the Request for Return of Hiring Documents [Form 3 of the Enforcement Rules of the Fair Hiring Procedure Act] and submit it by email ([email protected]). The documents will be sent by registered mail to the designated address within 14 days from the confirmation of submission. Please note that the cost of registered mail will be borne by the recipient.
• The company will keep the recruitment documents for 180 days following the confirmation of the employment decision. If no request for the return of documents is made within that period, the company will dispose of all recruitment documents without delay in accordance with the Personal Information Protection Act.