System Network Administrator
Okinawa, Okinawa, Japan
Highly skilled and experienced Systems and Network Administrator with a strong background in ensuring the stability, security, and optimal performance of complex IT infrastructures. Possess a deep understanding of network administration, server management, and cybersecurity principles, which align seamlessly with the responsibilities often associated with a Security Analyst. Proficient in safeguarding systems and networks, proactively identifying vulnerabilities, and responding to security incidents.Designed, configured, and maintained the organization's network infrastructure, optimizing data transmission and reducing latency.Collaborated with security analysts to implement network security measures, including firewalls, IDS/IPS, and VPN technologies.Administered a diverse server environment, ensuring their proper functionality, performance, and security.Worked closely with security analysts to configure and monitor server security settings, apply patches, and analyze logs for signs of intrusion.Managed user accounts, ensuring access control and permissions aligned with security policies.Collaborated with security analysts to enforce access controls and privilege management, reducing the risk of unauthorized access.Developed comprehensive data backup and recovery plans, ensuring business continuity and quick data restoration.Supported security analysts in data recovery efforts post-security incidents.Applied security patches and updates to software and hardware to mitigate vulnerabilities and enhance system security.Coordinated with security analysts to identify and prioritize critical patches and security vulnerabilities.Continuously monitored system and network performance, collecting and analyzing logs for irregularities and potential security breaches.Assisted security analysts in maintaining and analyzing system and network logs for threat detection, incident response, and forensic investigations.
