Network Security Specialist

1 month ago

Singapore NTT Data Singapore Full time

At NTT Data Singapore, we are seeking a highly skilled Network Security Specialist to join our team.

Salary: SGD 120,000 - 180,000 per annum

Job Description

We are looking for an expert in network security to provide technical consulting for Threat Prevention (Web Proxy) solutions. This includes traffic analysis, transforming business requirements into PAC files, proxy policies, and/or firewall/load balancing policy designs.

The successful candidate will participate in Threat Prevention infrastructure builds, migrations, and upgrades globally. They will also serve as a Level 3 point of escalation, providing technical support for complex change implementations and major incidents related to Threat Prevention domains.

Required Skills and Qualifications
  • At least 7+ years of hands-on experience with large-scale, complex network/DMZ environments, preferably in the banking and finance industry.
  • Strong technical knowledge and hands-on experience with network web proxies or Content Filtering, including McAfee WebGateway.
  • Experience with proxy PAC file engineering, network firewall policy/NAT engineering, DLP, and malware scanning is an advantage.
  • Strong expertise in networking and network security protocols, including HTTP, HTTPS, SSH, FTP, Socks, PAC files, DNS, NTP, ANYCAST services, and others.
  • Experience with reporting, searching, and/or dashboarding data in Splunk.
  • Advanced networking troubleshooting skills and incident triaging, including taking and analyzing traffic packet captures, policy research, traffic logs, and system log reviews.
  • Strong analytical, troubleshooting, and problem-solving skills, with the ability to collaborate with other technical areas to define complex configuration designs.
  • Experienced in Incident support, including managing high-severity/urgent incidents, incident triaging with other network teams, and vendors.
  • Excellent customer-facing communication skills for customer support and knowledge of ITIL best practices.
  • Ability to communicate at different organizational levels, including senior management, to provide status updates, deliver requirements, and report details at the correct level.
Requirements
  • Bachelor's degree in Computer Science, Engineering, Business, or equivalent preferred, with at least 7+ years of proven experience in Network Security or CyberSecurity environments.
  • Experience in Web Content filtering and Threat Prevention technologies, such as Bluecoat Proxies, McAfee WebGateway proxies, F5 LTM, F5 SSLO, FireEye, Vontu, McAfee DLP, VMWare NSX defender, or similar solutions, is highly desired.
  • Knowledge of web connectivity and proxying technologies, WCCP/ITD, explicit or transparent proxy, reverse proxy.
  • Knowledge of authentication protocols, such as LDAP, Kerberos, IWA, IWA-direct, SSO, Active Directory.
  • Ability to manage and manipulate large data sets, databases, and reports with high attention to detail and data accuracy.
  • Experience with ITIL processes, such as change management, request management, and incident management, is preferred.
  • At least one professional-level certification in Web Content filtering technologies, Network Security, or Networks, such as CCNA Security, CCNP, BCCPA, BCCPP, CISSP, CISA, CCSP, CEH.

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