Jobs in Brixton Hill

Network Security Engineer | BTCC
Location: [To Be Confirmed]
Contract Type: Full-Time, Permanent
Working Model: On-site / Hybrid (as applicable)
Industry: Cryptocurrency / Blockchain / Fintech
About BTCC
Founded in 2011, BTCC is one of the world’s longest-running cryptocurrency exchanges, delivering secure, transparent, and high-performance digital asset trading infrastructure. With over a decade of operational excellence in global crypto markets, BTCC continues to invest heavily in strengthening its infrastructure and security architecture to support a rapidly expanding global user base.
As part of our ongoing commitment to enterprise-grade security and resilience, we are seeking a skilled Network Security Engineer to enhance our infrastructure and cloud security posture across both on-premise and cloud environments.
What You’ll Do
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Design, implement, and maintain robust network security solutions across on-premise and cloud environments.
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Manage, configure, and optimise firewall infrastructure, preferably FortiGate.
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Oversee and maintain VPN infrastructure and secure remote access solutions.
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Configure and manage FortiSASE to enable secure remote connectivity and cloud-delivered security services.
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Integrate and manage CDN and WAF platforms including Cloudflare, AWS CloudFront, and Akamai.
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Collaborate closely with IT Operations and DevOps teams to ensure secure network architecture and deployment practices.
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Monitor, investigate, and respond to network-related security incidents and alerts.
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Conduct vulnerability assessments and security reviews, recommending and implementing remediation strategies.
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Maintain documentation of network security configurations, processes, and incident responses.
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Support continuous improvement of network security standards, policies, and controls in line with organisational and regulatory requirements.
What You Bring
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3–5 years of hands-on experience in network security engineering.
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Strong understanding of networking principles, TCP/IP, routing, switching, and firewall technologies.
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Proven experience managing FortiGate firewalls and FortiSASE solutions.
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Familiarity with CDN and WAF platforms such as Cloudflare, AWS CloudFront, and Akamai.
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Experience working with cloud platforms such as AWS and/or Azure, including their networking and security components.
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Practical experience in vulnerability management and security incident response.
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Strong analytical and troubleshooting skills within complex infrastructure environments.
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Excellent collaboration skills and ability to work cross-functionally with DevOps and infrastructure teams.
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Security certifications such as CCNP Security, Fortinet NSE, or equivalent are advantageous.
Why BTCC?
At BTCC, security is foundational to everything we build. When you join our team, you will benefit from:
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Competitive compensation package
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Exposure to large-scale crypto and blockchain infrastructure
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A collaborative and international technical environment
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Opportunities to strengthen security architecture within a high-growth global exchange
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Career progression within a technology-driven organisation
How to Apply
If you are passionate about network security and excited to contribute to safeguarding a global cryptocurrency exchange, we would love to hear from you