About the job
About the Team You'll Join
- The Network Security Engineer at Toss Securities is part of the Network Engineering Team, collaborating closely with Network Engineers and IDC Managers.
- We work with top talents across various sectors, including finance, commerce, portals, and gaming, to establish and support secure networks for both external and internal customers.
- Our goal is to ensure that our teams can focus on product development by building robust infrastructure capable of supporting the largest retail securities firm in the market, driving automation for faster product launches.
Your Responsibilities
- As a Network Security Engineer, you will manage security devices such as firewalls and VPNs to protect our customers and teams.
- Maintain a reliable, high-availability network that operates 24/7, continuously improving its resilience.
- Collaborate on the design and implementation of networks that interact with applications and servers.
- Build and operate network security devices, providing security foundation technologies within the data center.
Who We Are Looking For
- A minimum of 5 years of experience in building and operating network security devices.
- Experience in analyzing, optimizing, and maintaining firewall policies is essential.
- Strong understanding of TCP/IP protocols with packet analysis experience for troubleshooting.
- Experience with API integration of network security devices or scripting for automation is a plus.
- Familiarity with financial information protection regulations and experience in related implementations is advantageous.
- Experience designing and building security network architectures optimized for high traffic is highly desirable.
- Experience in public cloud environments (AWS, GCP, Azure) is a strong plus.
Resume Recommendations
- Please describe a memorable technical issue you resolved (optimization, bug fix, etc.).
- Detail your contributions to projects, including your role, technologies used, and outcomes before and after the project.
Journey to Joining Toss Securities
- Application submission > Technical interview > Cultural fit interview > Reference check > Salary negotiation > Final acceptance and onboarding.
Please Note
- Any inaccuracies in your resume or disciplinary history during employment may result in cancellation of the hiring process.
- Candidates identified as ineligible according to Toss Securities' regulations may have their applications canceled.
- Persons with disabilities and veterans will be given preference in accordance with applicable laws.

