Infrastructure Systems Analyst (IT/OT Cybersecurity)

Location: On-site at the hirify.global site in Omaezaki, Shizuoka, Japan. Standard working hours are Monday to Friday, 8:00 to 17:00 JST; planned maintenance, project implementation, critical incidents, weekend or after-hours work, and coordination across time zones may require exceptions.

Company

hirify.global is a global company operating IT/OT, manufacturing, laboratory, industrial cybersecurity, and digital transformation environments.

What you will do

• Support lifecycle management and daily operations for OT and Plant Control Network infrastructure, including servers, workstations, virtualization, storage, network components, and related assets.
• Troubleshoot OT, PCN, SCADA, and industrial network issues; perform incident analysis, corrective actions, root cause analysis, and preventive action planning.
• Support system builds, patching, antivirus, backup and recovery, monitoring, inventory management, and infrastructure changes.
• Support Windows Server, VMware, Active Directory, DNS, DHCP, Group Policy, authentication services, TCP/IP, routing, switching, and network troubleshooting.
• Support OT cybersecurity, vulnerability remediation, governance, compliance verification, risk reduction, incident response, and change management.
• Coordinate site implementation and operational readiness for regional and global initiatives with business teams, vendors, managed service providers, and regional and global IT/OT experts.

Requirements

• Bachelor’s degree in computer science, information technology, engineering, or a related technical discipline, or equivalent practical experience.
• At least 3 years of experience in IT infrastructure, OT infrastructure, industrial systems, networking, systems engineering, or a related field.
• Practical experience or foundational knowledge of Windows Server environments and enterprise infrastructure platforms.
• Foundational networking knowledge covering TCP/IP, DNS, DHCP, routing, switching, and network troubleshooting.
• Professional communication skills in both Japanese and English. Japanese is required for communication with local manufacturing, laboratory, vendor, and site stakeholders; English is required for regional and global meetings, email, documentation, and issue coordination.
• Ability to build trusted stakeholder relationships and explain technical topics clearly to technical and non-technical audiences.
• Strong teamwork, coordination, ownership, problem-solving, adaptability, and willingness to learn.
• Commitment to Health, Environment and Safety and ability to work appropriately in a site-based operational environment.

Nice to have

• Experience with OT, ICS, SCADA, DCS, or PCN environments.
• Knowledge or practical experience in industrial cybersecurity, OT security, or network security.
• Experience with VMware, Active Directory, Windows Server, backup and recovery, or monitoring tools.
• IT/OT support experience in manufacturing, energy, chemicals, oil and gas, process industries, or laboratory environments.
• Experience in project management, technical project coordination, vendor management, or managed service provider coordination.
• CCNA, CCNP, Microsoft, VMware, Security+, CISSP, GICSP, or ITIL Foundation certification.

Culture & Benefits

• Front-line work at the intersection of IT, OT, industrial cybersecurity, and digital transformation.
• Collaboration with regional and global IT/OT subject matter experts across North America, Asia Pacific, and Europe.
• Exposure to global standards, best practices, cybersecurity requirements, technology roadmaps, industrial networks, virtualization, PCN, SCADA, and OT technologies.
• Learning resources and opportunities to develop from an IT infrastructure, networking, systems operations, or cybersecurity foundation into the OT domain.
• Work in Omaezaki, a coastal area offering a calmer environment and access to natural surroundings.