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# Senior Engineer - Network & Infrastructure Security

- **Company:** Crypto
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Border Gateway Protocol, Information Systems, DevOps, Hot Standby Router Protocol, Internet Protocol Security (IP SEC), Network Architecture, Network Protocols, Open Shortest Path First (OSPF), Web Application Security, Information Technology, Fortinet, Cisco
- **Published:** September 10, 2026
- **Apply:** https://www.collegerecruiter.com/job/2840575986-senior-engineer--network--infrastructure-security

## About the Role

* Higher education in Computer Science, Information System or related disciplines.
 * In-depth technical knowledge on infrastructure and network products (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, willingness to learn and ability to work independently.
 * Good command of both written and spoken English.
 * Candidates with less experience may be considered for a junior position.

## Description

* 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 business and security requirements.
 * Bridge the gap between development and operations by embracing "Infrastructure as Code" (IaC) and working closely with the DevOps team.
 * Provide support during non-office hours whenever needed.


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