Internal Network Infrastructure Engineer

This full-time role is responsible for the internal network environment. Day-to-day work includes designing, building, operating, and improving internal networks; isolating faults when incidents occur; analyzing causes; restoring service; automating operational tasks; and responding to user inquiries and other network-related requests.

At least three years of practical experience in network construction and operation, together with knowledge of network design, is required. Desirable qualifications include CCNP-equivalent knowledge, experience building network environments for new offices or sites, and at least one year of project manager experience. Experience preparing management documents and presentation materials is also welcomed. The environment includes Cisco switches including Catalyst and Nexus, routers including ISR and 800M, and wireless systems including Aironet and Catalyst.

Other specified technologies and skills include firewalls such as ASA and Palo Alto; authentication servers such as LDAP and RADIUS; certificates; antivirus measures; vulnerability information; log management; IPS/IDS; VPNs including IPSec and SSL; and cloud network design, construction, and operation.

The role focuses on internal infrastructure and includes support for users. The candidate profile emphasizes effective teamwork, positive influence on team members, responsibility, user-oriented thinking, proactive proposal and planning, independent task discovery and execution, curiosity, and willingness to learn.

Work locations are in Shibuya and Meguro, Tokyo. The offices are smoke-free indoors in principle, with designated heated-tobacco smoking rooms.

Side jobs are prohibited. The desired profile includes people who work well in teams and positively influence colleagues, act responsibly, think from the user's perspective, actively make proposals and plans, find and carry out tasks on their own initiative, and are curious with a strong drive to learn.