Firewall Network Security Specialist

3 weeks ago


Singapore Steenbok Full time

At Steenbok, we pride ourselves on our extensive experience in interconnecting applications from mobile and web frontends to traditional ERP systems through middleware. Our niche has enabled us to deliver exceptional value to our customers by leveraging our expertise in cross-application connectivity.

We operate as a trusted outsourced IT arm to various industries, providing comprehensive support services.

The Role

As a Firewall Engineer at Steenbok, you will be responsible for maintaining the 24/7 Firewalls and Internet Proxy infrastructure. You will collaborate with engineers to ensure high availability, security, and performance of our systems. Your work will span across multiple disciplines, including Network, Platform, Storage, Database, and Applications, to manage changes, requests, and incidents.

Key Responsibilities:

  • Ongoing optimization and tuning of Firewall and Proxy rules to enhance system performance.
  • Troubleshooting and root cause analysis to resolve technical issues promptly.
  • Planning and supporting technology refresh and migration activities to stay ahead of the curve.
  • Maintaining up-to-date standard documentation for Firewall/Proxy configurations.
  • Exploring innovative technologies to improve operational efficiency and effectiveness.
  • Adhering to ITIL change processes for Firewall/Proxy modifications.
  • Collaborating with application teams and users to resolve access-related issues.
  • Ensuring that operational processes and controls are well-documented and implemented.

Ideal Profile

To excel in this role, you should possess:

  • A degree with a minimum of 8 years of experience in Firewall administration, preferably in the financial industry.
  • Hands-on experience with Firewall and Internet Proxy changes.
  • Proficiency in network routing/switching and ITIL processes.
  • Strong analytical, planning, and security/perimeter defense skills.
  • Relevant certifications (PCNSA, PCNSE, CCSA, CCSE) are highly desirable.
  • Ability to multitask, work under pressure, and cover on-call shifts as needed.

What's on Offer?

  • A dynamic work environment within a company with a solid track record of success.
  • The opportunity to learn from and collaborate with best-in-class talent.
  • Excellent career development opportunities to help you grow professionally.


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