IT Field Network Engineer (Network & Data Center Hands-and-Feet Support)

About the Opportunity

This role sits within a fast-paced technology services organization that supports enterprise networking and data center operations across Japan. The work is centered on keeping mission-critical infrastructure available at all times for global clients with on-site facilities. Reliability, quick response, and practical, hands-on delivery are essential in this environment.

What You Will Do

• Carry out on-site installation, setup, and troubleshooting of network hardware in enterprise campuses and data centers across Japan.
• Handle physical infrastructure work such as mounting servers and network gear in racks, terminating fiber and copper cabling, installing switches and routers, and maintaining patch panels.
• Investigate live network disruptions or slowdowns quickly, identify the cause, and resolve issues before escalating when needed.
• Work with remote engineering teams to apply network changes, verify configurations, and keep clear records of all actions taken.
• Assist with deployments from vendors such as Cisco, Juniper, Arista, and HPE while following client change-control requirements.
• Review incidents after resolution and suggest preventive actions that help reduce repeat outages and improve SLA performance.

Required Skills and Qualifications

• Hands-on knowledge of Cisco IOS.
• Working familiarity with Juniper JUNOS.
• Experience with cabling standards and components including Cat6, SFP, LC, and SC.
• Understanding of core switching and routing technologies such as VLAN, OSPF, and BGP.
• Ability to manage data center racking, stacking, and cable organization.
• Comfort using monitoring platforms like PRTG, SolarWinds, and Nagios.
• Knowledge of ITIL-based incident handling.
• Japanese business communication skills at N3 level or above.

Preferred Experience

• CCNA certification.
• Exposure to Arista or HPE switching environments.
• Familiarity with DCIM platforms such as Nlyte or Sunbird.

Benefits and Work Environment

• Opportunity to support major enterprise clients in Tokyo, Osaka, and Nagoya with visible growth opportunities.
• Training support for certifications such as CCNA, CCNP, and JNCIA, along with access to practical lab environments.
• Performance-linked bonus structure and transportation support for regular on-site travel.

Additional Information

This position involves field-based network and data center support for clients operating in Japan. The role requires hands-on execution, strong documentation habits, and coordination with distributed technical teams.