Expertise
IT Support and Services
Experience 20 years
Senior Network Engineer
NipponTech Solutions | Fulltime
Apr 2013 - Currently working here

Tokyo, Japan

- Design and deploy large-scale enterprise network solutions, ensuring scalability and minimal downtime.
- Oversee cybersecurity strategies, including firewall configurations, intrusion detection/prevention systems, and incident response protocols.
- Manage cross-functional teams to execute network upgrades, migrations, and disaster recovery planning.
- Collaborate with vendors to evaluate and implement cutting-edge networking technologies, such as SD-WAN and 5G integrations.
- Provide mentorship and training to junior engineers, fostering professional development and skill enhancement.
Network Administrator
TechnoCorp Japan | Fulltime
Jul 2006 - Mar 2013

Tokyo, Japan

- Administered and maintained corporate LAN/WAN infrastructure supporting over 3,000 users across multiple locations.
- Ensured network uptime through proactive monitoring and rapid troubleshooting of connectivity issues.
- Conducted regular vulnerability assessments and implemented security patches to mitigate risks.
- Developed documentation and standard operating procedures for network operations and incident management.
- Collaborated with IT leadership to align network capabilities with business goals and future growth.
Network Support Specialist
Osaka IT Services | Fulltime
May 2002 - Jun 2006

Osaka, Japan

- Provided technical support for network-related issues, resolving over 95% of incidents on the first attempt.
- Assisted in configuring and maintaining routers, switches, and other network devices.
- Monitored system performance and recommended upgrades to enhance reliability and efficiency.
- Supported clients in implementing secure VPN connections for remote work environments.
Education
Bachelor of Engineering – Computer Science & Networking
University of Tokyo | Tokyo, Japan

2001

Certification
Cisco Certified Internetwork Expert (CCIE)
Cisco Systems

2015

Certified Information Systems Security Professional (CISSP)
(ISC)²

2019

AWS Certified Advanced Networking – Specialty
Amazon Web Services

2021

Juniper Networks Certified Internet Expert (JNCIE)
Juniper Networks

2017