全职 Network Operations Engineer 工作, 薪水, Beyondsoft 公司招聘中 - Ricebowl

Key Role Responsibilities

• Provide L1/L2 operational and technical support for enterprise cybersecurity and network security infrastructure.
• Perform daily monitoring, troubleshooting and incident resolution for Palo Alto Networks and Check Point firewalls.
• Monitor firewall health, system alerts, security events and connectivity issues, and escalate complex incidents to L3/security specialists when required.
• Perform firewall rule creation, modification and troubleshooting, including security policies, NAT, objects, services and access control rules, following the client's change management procedures.
• Assist with Palo Alto firewall administration, including security policies, NAT policies, URL filtering, application control, threat prevention and related security profiles.
• Assist with Check Point firewall administration, including policy installation, access control rules, network objects and troubleshooting of connectivity/security policy issues.
• Perform basic troubleshooting of VPN connectivity, including site-to-site and remote-access VPN issues.
• Support EfficientIP DNS/IPAM/DHCP infrastructure, including IP address allocation, DNS record management, DHCP configuration and troubleshooting.
• Perform network and security troubleshooting using tools such as ping, traceroute, nslookup/dig, packet capture and firewall logs.
• Analyse firewall and security logs to identify connectivity problems, blocked traffic, policy violations and potential security incidents.
• Support investigation and resolution of security incidents and service tickets within agreed SLA timelines.
• Perform firewall configuration backup, health checks and routine maintenance activities.
• Assist with firewall software/OS upgrades, patches and configuration changes, including pre- and post-change validation.
• Perform basic troubleshooting of network security connectivity involving LAN/WAN, routing, DNS, DHCP and TCP/IP.
• Maintain accurate documentation of firewall rules, network/security configurations, changes and troubleshooting activities.
• Prepare incident reports, change records and operational documentation as required.
• Coordinate with network, infrastructure, application and security teams to troubleshoot cross-domain issues.
• Follow established change management, incident management and security operation procedures.
• Participate in scheduled maintenance activities and, where required, after-hours/on-call support.
• Escalate recurring or complex security issues to the appropriate L3 engineering or vendor support teams.

Role Requirements

• 3–4 years of hands-on experience in cybersecurity/network security operations.
• Hands-on experience with Palo Alto Networks firewalls.
• Hands-on experience with Check Point firewalls.
• Experience with EfficientIP DNS/IPAM/DHCP solutions.
• Good understanding of TCP/IP, DNS, DHCP, routing, NAT and network security concepts.
• Experience in firewall policy/rule administration and troubleshooting.
• Experience analysing firewall logs and security events.
• Basic understanding of VPN, IPS/IDS, URL filtering and application control.
• Familiarity with security incident, change and problem management processes.
• Experience working in an enterprise environment with SLA-driven L1/L2 support.
• Good troubleshooting, documentation and communication skills.