Network Security Engineer

ioTech Solutions; Singapore; On-site; SGD 70,000 - 90,000; Full time

Job summary

A technology solutions provider in Singapore is looking for a network security expert to enhance infrastructure resilience and performance. The ideal candidate will design and implement security controls, manage critical trading infrastructures, and reduce risks through effective network solutions. The role requires hands-on experience with firewalls and a strong understanding of network protocols, along with a passion for solving complex security challenges in a global environment.

Qualifications

• Passion for solving complex network security challenges.
• Hands-on expertise with firewalls, client VPNs, and security solutions.
• Willingness to take on on-call responsibilities including nights/weekends.

Responsibilities

• Partner with teams to design and deploy security solutions.
• Design and maintain mission-critical trading infrastructure.
• Reduce network risks using microsegmentation and port-based security.
• Deploy and manage security solutions like firewalls and VPNs.
• Use automation and AI for improvement of detection and response.

Skills

Network security expertise

Hands-on experience with firewalls

Knowledge of TCP/UDP, IP, OSI model

Scripting/coding proficiency

Strong communication skills

Job description

This role is critical in ensuring infrastructure and networks are protected, resilient, and optimized for performance. Youll design and implement security controls, audit configurations, and shape networks across a hybrid compute environment.

Responsibilities

Partner with security, technology, and trading teams to design and deploy solutions that enhance both security and trading performance.

Design, implement, and maintain mission‑critical trading infrastructure for resiliency and scalability.

Reduce network risks using microsegmentation, port‑based security, and other methods.

Deploy and manage security solutions (firewalls, NDR, IPS, VPNs, etc.) to safeguard systems and ensure reliable remote access.

Use automation, AI, and emerging technologies to improve detection and response.

Analyze network traffic and packet captures to investigate security incidents and identify improvements.

Automate and streamline processes to increase efficiency and effectiveness.

What We’re Looking For

Passion for solving complex network security challenges in a global environment.

Hands‑on expertise with firewalls, client VPNs, SASE, NDR, and IDS solutions.

Strong understanding of TCP/UDP, IP, OSI model, and Layer 14 & 7 protocols.

Proficiency in scripting/coding to automate processes.

Willingness to take on on‑call responsibilities, including nights/weekends.

A mindset for innovation, continuous improvement, and delivering state‑of‑the‑art security solutions.

Strong communication skills to translate technical insights into clear strategies.