Network Security Engineer (Contract)
Location: Singapore
Contract Type: 12-months (Extendable & Convertible)
Keywords: Network Security, Firewall, Zero Trust, Micro-segmentation, WAF, Cybersecurity Operations
Company / Role Overview
This role sits within the regional production security function of a large, globally established financial services organization operating across Asia Pacific. The team is responsible for safeguarding critical production environments by designing, implementing, and operating enterprise-grade cybersecurity controls. The Network Security Consultant Engineer will focus on securing network infrastructure and applications, supporting both day-to-day operations and strategic security initiatives in a highly regulated, fast-paced environment, while collaborating closely with regional and global stakeholders.
Key Responsibilities
- Oversee and execute network security operations to ensure governance standards, controls, and procedures are consistently applied across production environments.
- Design, validate, implement, and document end-to-end network security workflows covering firewall management, segmentation, and zero-trust architectures.
- Provide technical consultation and troubleshooting support for internal stakeholders on firewall rules, network access, and security incidents.
- Deliver security components for regional and global projects, ensuring alignment with production security scope and timelines.
- Implement and maintain network segmentation and zero-trust solutions, including micro-segmentation policies for enhanced threat containment.
- Manage firewall configurations, rule changes, upgrades, and migrations, and support incident response activities when security events occur.
- Monitor and respond to web-based security threats, including zero-day vulnerabilities, policy updates, and risk assessments for business applications.
- Coordinate with external vendors for advanced technical support, solution enhancements, and new security implementations.
Job Requirements
Must-have:
- Bachelor's degree in Computer Science, Information Security, or a related discipline.
- Minimum 5 years of hands-on experience in IT security, with strong specialization in network security.
- Solid understanding of network security fundamentals, zero-trust principles, and micro-segmentation concepts applied in real-world environments.
- Proven experience configuring and analyzing firewall rules, including enterprise-grade firewall management platforms.
- Hands-on exposure to web application security operations, including policy enforcement, signature updates, and incident analysis.
- Experience supporting production environments, managing security incidents, and collaborating with cross-functional operational teams.
- Strong written and verbal communication skills, with the ability to explain complex technical issues clearly to non-technical stakeholders.
Nice-to-have:
- Experience with micro-segmentation platforms and label-based policy implementations.
- Exposure to enterprise WAF and load-balancing technologies.
- Scripting or programming experience (e.g., Python or similar) to support automation and reporting initiatives.
- Relevant industry certifications in firewall technologies, network access control, web application security, or cybersecurity domains.
- Willingness to provide after-hours support for critical production security incidents when required.
If this role aligns with your experience and career goals, please send your application to [Confidential Information].
