IT Infrastructure & System Operation Support

We’re Hitachi Digital Services, a global digital solutions and transformation business with a bold vision of our world’s potential. We’re people-centric and here to power good. Every day, we future-proof urban spaces, conserve natural resources, protect rainforests, and save lives. This is a world where innovation, technology, and deep expertise come together to take our company and customers from what’s now to what’s next. We make it happen through the power of acceleration.

Imagine the sheer breadth of talent it takes to bring a better tomorrow closer to today. We don’t expect you to ‘fit’ every requirement – your life experience, character, perspective, and passion for achieving great things in the world are equally as important to us.

We are looking for a motivated and proactive IT Systems Administrator to join our Information Systems (IS) team. This role is ideal for candidates with 2-3 years of IT system experience who are passionate about infrastructure technologies and eager to develop their expertise across systems, virtualization, cloud, and enterprise IT operations.

As a member of our IS team, you will be responsible for maintaining and improving the stability, security, and performance of our IT infrastructure while supporting business operations across the organization.

• Support day-to-day operation of IT infrastructure, including servers, virtualization platforms, and edge network services.
• Respond to incidents, service requests, and infrastructure-related issues in accordance with IT operational standards.
• Monitor system availability, performance, and capacity to ensure stable business operations.
• Participate in troubleshooting activities and root cause analysis for system and network issues.

• Administer and maintain Microsoft Windows Server and Linux environments (Ubuntu, CentOS, Red Hat, Fedora, etc.).
• Manage virtualization platforms such as VMware, Proxmox, and other related technologies.
• Perform system patching, upgrades, backup verification, and routine maintenance activities.
• Conduct regular system health checks and preventive maintenance.

• Manage endpoint devices through enterprise management platforms such as Microsoft Intune, Jamf Pro, or equivalent solutions.
• Ensure endpoint compliance with corporate security standards.
• Monitor encryption, endpoint protection, software updates, and security compliance.
• Support Mobile Device Management (MDM) enrollment and troubleshooting.
• Assist in maintaining inventory records for IT assets and equipment.

• Review, develop, and maintain infrastructure standards, procedures, and technical documentation.
• Research, evaluate, and recommend new technologies or solutions to improve infrastructure monitoring, automation, and operational efficiency.
• Support infrastructure projects, migrations, and technology refresh initiatives.
• Create and maintain technical documentation, SOPs, and user guides.
• Contribute to the organization's knowledge base and self-service resources.
• Document incident resolutions and recurring issues for future reference.
• Maintain accurate records of support activities and operational procedures.

• 2-3 years of experience in System Administration, Infrastructure Support, or related IT roles.
• Experience supporting enterprise users in a corporate environment is preferred.
• Hands-on experience with Microsoft Windows Server administration, Linux, Virtualization
• Working knowledge of Linux administration (Ubuntu, CentOS, Red Hat, Fedora, etc.).
• Experience with virtualization platforms such as VMware or Proxmox.
• Basic understanding of networking concepts including TCP/IP, DNS, DHCP, VPN, routing, and switching.
• Familiarity with Microsoft 365, Azure, Active Directory, Group Policy, and backup solutions is an advantage.
• Experience with infrastructure monitoring tools is highly desirable.

• Bachelor's Degree or Equivalent degree in Information Technology, Computer Network, Information Systems, or a related field.

• Strong customer service and communication skills.
• Good English Speaking and writing.
• Excellent troubleshooting and analytical abilities.
• Ability to prioritize and manage multiple tasks effectively.
• Strong attention to detail and documentation practices.
• Ability to work independently and collaboratively within a team environment.
• Positive attitude with a customer-focused mindset.

Candidates holding one or more of the following certifications will have an advantage:

• CCNA or equivalent Networking Certification
• Microsoft Certified: Windows Server / Azure Administrator
• Linux Administration Certification
• VMware VCP, Proxmox Certification, or equivalent
• Microsoft 365 Certified Administrator
• ITIL Foundation or equivalent IT Service Management Certification

• Intermediate to advanced English communication skills.
• Able to read, write, and communicate effectively in English.

• Position: IT Systems Administrator
• Job Level: Professional (P2) / Mid-Level
• Employment Type: Full-time
• Work Location: On-site (Ho Chi Minh City, Vietnam)

We’re a global, team of innovators. Together, we harness engineering excellence and passion to co-create meaningful solutions to complex challenges. We turn organizations into data-driven leaders that can make a positive impact on their industries and society. If you believe that innovation can bring a better tomorrow closer to today, this is the place for you.

Hitachi is a global company operating across a wide range of industries and regions. One of the things that sets Hitachi apart is the diversity of our business and people, which drives our innovation and growth.

We are committed to building an inclusive culture based on mutual respect and merit-based systems. We believe that when people feel valued, heard, and safe to express themselves, they do their best work.

We help take care of your today and tomorrow with industry-leading benefits, support, and services that look after your holistic health and wellbeing. We’re also champions of life balance and offer flexible arrangements that work for you (role and location dependent). We’re always looking for new ways of working that bring out our best, which leads to unexpected ideas. So here, you’ll experience a sense of belonging, and discover autonomy, freedom, and ownership as you work alongside talented people you enjoy sharing knowledge with.

We’re proud to say we’re an equal opportunity employer and welcome all applicants for employment without attention to race, colour, religion, sex, sexual orientation, gender identity, national origin, veteran, age, disability status or any other protected characteristic. Should you need reasonable accommodations during the recruitment process, please let us know so that we can do our best to set you up for success.