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Senior Engineer – Network & Infrastructure Security

Crypto

London, United Kingdom permanent

Posted: December 2, 2025

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Job Description

Job Responsibilities::
• Act as the escalation point for resolving complex issues on Infrastructure operations & security configuration;
• Develop and maintain documentation on network infrastructure and system security designs;
• Stay up to date with emerging technologies and identify improvements on existing infrastructure & security solutions;
• Responsible for the overall design and implementation of various security solutions to fulfill the business and security requirements;
• Bridge the gap between development and operations by embracing “Infrastructure as Code” (IaC) work closely with the DevOps team;
• Provide support during non-office hour whenever needed.


Job Requirements::
• Higher education in Computer Science, Information System or related disciplines is a must;
• In-depth technical knowledge on infrastructure and network products, including Checkpoint, Palo Alto, Fortinet, F5, Cisco, Aruba;
• Solid concept and hands-on experience on network, system security solutions such as CASB, NAC, CDN, WAF, Secure Web Gateway, Secure Email Gateway;
• Sound knowledge and hands-on experience of cloud network infrastructure;
• Experience in design and implementation of robust and resilient global network over public cloud and/or private cloud platform is a strong advantage;
• Deep understanding of networking protocols (e.g., IPSEC, HSRP, BGP, OSPF, 802.11, QoS);
• CCNP or higher certification (CCIE and/or CISSP highly valued);
• Strong time management, willing to learn and able to work independently
• Good command of both written and spoken English;
• Candidates with less experience will also be considered for junior position.


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