Senior Network Security Engineer

7 days ago


London Area, United Kingdom Hamilton Barnes 🌳 Full time

🔥Senior Network Security Engineer – Shape the Future of Global Finance🔥

Location: London (Liverpool Street) | Hybrid: 3 days onsite, 2 days remote

Compensation: Up to £130k base + 20% bonus | Open Budget for the Right Talent


Are you ready to redefine network security at the forefront of global finance? We're looking for a Network Security Engineer to join a top-tier quantitative trading firm. Operating at the intersection of technology and trading, this organization uses cutting-edge tools and strategies to navigate global markets, creating extraordinary opportunities for growth and innovation.


Who We Are

We’re a global leader in quantitative trading, leveraging advanced technology, data science, and unparalleled market expertise to generate exceptional results. Collaboration and innovation are the cornerstones of our culture, making us a powerhouse in one of the most fast-paced, competitive industries worldwide.


What’s the Gig?

You’ll lead the charge as a Network Security Engineer in London, driving the design, implementation, and support of secure network solutions for a global infrastructure. Your responsibilities include:

  • Designing, configuring, and maintaining Cisco ISE solutions.
  • Implementing advanced segmentation solutions for robust network security.
  • Automating operational security tasks using Python or Ansible scripting.
  • Collaborating with global teams to deliver HLD/LLD designs.
  • Proactively addressing security challenges in a fast-evolving financial ecosystem.


What You Bring to the Table

We’re searching for an exceptional talent with the following:

  • Network security architecture expertise – implementation, design, and support.
  • Palo Alto Network Security Expert
  • Cisco ISE mastery – design and deploy like a pro.
  • Networking fundamentals – TCP/IP and Layers 1, 2, 3.
  • Scripting skills – Python or Ansible to streamline operations.
  • Segmentation solutions – proven success in design and deployment.
  • Design experience – crafting both HLD and LLD frameworks.
  • Finance industry experience – you understand the nuances of the financial world.
  • Culture Fit – a collaborative mindset, curiosity, and a drive to thrive in a high-performance environment.


Why This Role?

You’ll join a team that thrives on pushing boundaries and redefining what’s possible in network security and trading technology. This is your opportunity to be part of a firm where innovation, excellence, and collaboration drive success at a global scale.


Ready to Transform Network Security?

Bring your expertise, passion, and ambition to the table. This is your chance to step into a leadership role and redefine what’s possible in network security within the fast-paced world of global



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