Senior Network Security Engineer/ Lead

CORNERSTONE GLOBAL PARTNERS PTE. LTD.; Singapore; On-site; SGD 120,000 - 210,000; Full time

Job summary

Cornerstone Global Partners in Singapore is seeking an experienced Senior Network Security Engineer/Lead to drive end-to-end design, deployment, and management of DMZ security services across APAC, providing escalation and guidance.

You will lead security solutions, collaborate with engineering teams, ensure compliance, and mentor junior staff while delivering infrastructure projects.

Qualifications

• Minimum 10 years of relevant experience in large-scale network and DMZ environments.
• Experience in banking or financial services environments is an advantage.
• Strong expertise in Firewall, IDS/IPS, Web Content Filtering, and Load Balancing technologies.
• Hands-on with Fortinet, Check Point, Bluecoat, McAfee Proxy and enterprise network security solutions.
• Strong knowledge of TCP/IP, HTTP, HTTPS, SSL, FTP, and SOCKS; troubleshooting.
• Experience with automation tools such as Python and Ansible.
• Familiarity with ITIL processes, regulatory compliance, and enterprise IT environments.
• Relevant certifications such as CCIE, CISSP, Check Point, or Fortinet are advantageous.
• Bachelor's degree in IT, Engineering, or related field or equivalent experience.

Responsibilities

• Lead the design, engineering, deployment, and lifecycle management of network security solutions.
• Implement and manage Firewalls, IDS/IPS, Web Proxies, and Load Balancers.
• Ensure security controls, compliance requirements, and regulatory standards are incorporated.
• Troubleshoot complex network and web connectivity issues (TCP/IP, HTTP/S, SSL, FTP, PAC files).
• Collaborate with engineering, operations, and information security teams on projects.
• Drive risk mitigation, capacity planning, documentation, and audit readiness.
• Provide technical guidance and support to APAC engineering teams.

Skills

Firewall expertise

IDS/IPS

Web proxies

Load balancing

TCP/IP troubleshooting

Network security

Automation with Python

Ansible

Regulatory compliance

Certifications (CCIE/CISSP)

Education

Bachelor's degree in IT/Engineering

Tools

Fortinet

Check Point

Bluecoat

McAfee Proxy

Job description

We are seeking an experienced Senior Network Security Engineer/Lead to drive the end-to-end engineering, deployment, and management of DMZ security services across the APAC region. The role involves designing, implementing, and supporting secure network infrastructure, serving as a technical escalation point, and providing technical guidance to engineering teams.

Key Responsibilities:

• Lead the design, engineering, deployment, and lifecycle management of network security solutions.
• Implement and manage Firewalls (Fortinet, Check Point), IDS/IPS, Web Proxies (Bluecoat/McAfee), and Load Balancers.
• Ensure security controls, compliance requirements, and regulatory standards are incorporated into network security solutions.
• Troubleshoot complex network and web connectivity issues involving TCP/IP, HTTP/S, SSL, FTP, PAC files, and related technologies.
• Collaborate with engineering, operations, and information security teams to deliver infrastructure projects.
• Drive risk mitigation, operational excellence, capacity planning, documentation, and audit readiness.
• Provide technical guidance and support to engineering teams across APAC.

Required Qualifications:

• Minimum 10 years of relevant experience in large-scale network and DMZ environments.
• Experience in banking or financial services environments will be an advantage.
• Strong expertise in Firewall, IDS/IPS, Web Content Filtering, and Load Balancing technologies.
• Hands-on experience with Fortinet, Check Point, Bluecoat, McAfee Proxy, and enterprise network security solutions.
• Strong knowledge of network security, protocols, and troubleshooting, including TCP/IP, HTTP, HTTPS, SSL, FTP, and SOCKS.
• Experience with automation tools such as Python and Ansible.
• Familiarity with ITIL processes, regulatory compliance, and enterprise IT environments.
• Relevant certifications such as CCIE, CISSP, Check Point, or Fortinet certifications will be an advantage.
• Bachelor's degree in IT, Engineering, or a related discipline, or equivalent relevant experience.

Due to an anticipated high volume of applicants, we regret that only shortlisted candidates will be notified. The information provided is for recruitment purposes only.

Cornerstone Global Partners (EA License Number: 19C9859) is an affirmative equal-opportunity employer and recruitment firm. We evaluate qualified applicants without regard to race, colour, religion, creed, gender, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class.