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Department Overview: Our Technology Infrastructure team operates globally and is responsible for every aspect of the firm's hybrid platform. This ranges from our EUC/Office environments to Trading and Core service Co-Location Data Centres, and extends to Public Cloud, delivering top-tier technology services to a dynamic and demanding Trading organisation. In addition to meeting the round-the-clock operational demands of the platforms, we continuously evolve and transform our platforms to maintain a competitive edge that our business requires. We innovate to provide valuable solutions and leverage our skilled Technology teams to deliver against rapidly changing business requirements. Role Overview:  The Platform Engineer, Network Services focus will be responsible for managing, supporting, and enhancing BlueCrest’s global network infrastructure, including data networks, telecommunications, network security, advanced IP services, and unified communications. This role sits within the Infrastructure Platform team and offers opportunities to work across other core platforms, including Linux, Storage, Windows and Hypervisors. As a result, a broad range of experience and a strong understanding of how wider technology infrastructure platforms integrate and co-exist would be beneficial. In particular, solid Unix operating system knowledge and operational experience would be an advantage. Additionally, we are looking for engineers who bring the experience and mindset needed to help us adopt modern technology practices, including Infrastructure as Code, AI-enabled operations, automation-led delivery, and SRE practices. As we continue to grow our hybrid networking capabilities across on-premise/colocation, Azure and AWS, we are seeking expertise in designing, building, and supporting robust, deterministic cloud network environments. Key Responsibilities: Monitor, support, and maintain BlueCrest’s global networks and related systems. Carry out BAU changes across all network systems in line with the change control process. Design and build network products for on-premises data centres, colocation trading, offices, WAN, and cloud infrastructure. Responsible for network security area, with experience operating and maintaining next-generation firewall platforms. Develop and maintain network systems and associated code, following Infrastructure as Code and SRE practices. Design and deliver project work across all networking disciplines and wider infrastructure platforms. Contribute to the architecture and roadmap for BlueCrest’s networks and platforms. Maintain data centre and communications room environments, including racking and patching network equipment. Manage third-party vendors, data centre providers, and telecoms providers. Experience and Skills required:  An experienced network engineer with a minimum of 5 years of experience working in a financial institution/ fast-paced environment Essential Skills Deep understanding of TCP/IP protocols and networking fundamentals, equivalent to CCNP level. Strong Cisco hardware, switching, and routing experience across data centre and enterprise networks. Cisco ACI Cisco IOS-XE switches and routers Cisco ACI Cisco IOS-XE switches and routers Experience with next-generation firewalls, particularly Palo Alto platforms. BAU changes: Policies, NAT, Routing Monitoring: analyse firewall logs with next gen features BAU changes: Policies, NAT, Routing Monitoring: analyse firewall logs using next-generation firewall features. Proficient with fundamental Unix operating system knowledge, skills, and working experience. Advanced Azure and AWS cloud networking experience. Desirable Skills Infrastructure as Code and SRE for Network skills including using API, Programming, Scripting and Orchestration skills Python, Ansible and Terraform Rest APIs CI/CD pipeline Experience in office infras