Data Center Systems Engineer
Location:
Ho Chi Minh City or Hanoi, Vietnam
Employment Type:
Full-Time
About ONION
ONION provides software and operational solutions for data center environments, supporting mission-critical facilities across the region.
We are looking for a motivated engineer to join our Global Operations Team and develop expertise in Data Center Systems, Building Management Systems (BMS), Electrical Power Monitoring Systems (EPMS), and Operational Technology (OT).
Key Responsibilities
Support and operate software platforms used in data center environments
Participate in system deployment, configuration, testing, and commissioning
Troubleshoot system, network, and integration issues
Support integration between controllers, facility systems, monitoring platforms, and software applications
Work with industrial communication protocols such as BACnet, Modbus, and SNMP
Collaborate with internal teams, partners, and customers to ensure reliable system operation
Support regional projects across Asia
Requirements
Bachelor's degree in Engineering, Computer Science, Information Technology,
Electrical Engineering, Electronics Engineering, Telecommunications, or a related field
1-5 years of experience in engineering, IT infrastructure, networking, automation, system integration, or related technical disciplines
Strong analytical and troubleshooting skills
Hands-on attitude with a willingness to learn new technologies
Ability to work independently and as part of a team
Preferred Qualifications
Experience with networking fundamentals and TCP/IP
Familiarity with BACnet, Modbus, SNMP, or similar communication protocols
Exposure to automation systems, BMS, EPMS, SCADA, or data center environments
Ability to communicate in English within an international working environment
Why Join ONION?
This role offers a unique opportunity to build expertise across:
Data Center Operations • IT Infrastructure • OT Systems • Critical Facility Technologies
You will gain hands-on experience in mission-critical environments and develop a long-term career in one of the fastest-growing industries supporting AI, cloud, and digital infrastructure.