Job Title

Job Title: Platform Network Engineer A high number of candidates may make applications for this position, so make sure to send your CV and application through as soon as possible.Platform Network Engineer is responsible for designing, building, and maintaining the infrastructure that supports high-performance trading operations, with specialized focus on networking solutions in AWS and datacentre environments. This role serves as the first point of contact for all networking projects, leading initiatives to ensure reliability, scalability, and security across the company's technology stack.The position involves architecting and implementing network infrastructure, troubleshooting connectivity issues, and collaborating with developers and traders to optimize systems for trading operations. This engineer bridges the gap between traditional platform engineering and specialized networking expertise, ensuring seamless integration of networking components within the broader infrastructure ecosystem.Role Responsibilities Cloud & Network InfrastructureDesign, deploy, and manage scalable, secure cloud and datacentre infrastructure to support high-performance trading. Build advanced AWS networking (VPCs, Transit Gateway, Direct Connect, etc.) across accounts and regions. Optimise low-latency connectivity, support collocated servers near exchanges, and implement cost-efficient network solutions.Infrastructure as Code & AutomationAutomate infrastructure using Terraform, Ansible, and GitLab CI/CD. Apply GitOps for auditable, consistent deployments. Build resilient, self-healing network systems.Security & ComplianceSecure network infrastructure using NACLs, Security Groups, and AWS WAF. Ensure compliance with AWS CIS Benchmarks and embed best practices into network design and operations.Performance & OptimizationOptimise infrastructure for low-latency, high-availability trading. Collaborate with developers on performance tuning and troubleshoot cross-region network issues.Monitoring & ObservabilitySet up and manage monitoring, alerting, and logging using OpenSearch, Prometheus, and Grafana. Develop dashboards for real-time network insights.Collaboration & Knowledge SharingPartner with developers, traders, and data engineers to align infrastructure with business needs. Provide networking expertise, mentor teammates, maintain clear documentation, and promote cross-team knowledge sharing.Support & ImprovementJoin the out-of-hours support rota. Drive continuous improvement in network architecture, tooling, and processes. Enable developer self-service for network-aware deploymentsProfessional Experience and Skills5+ years in Network Cloud Engineer or Platform Engineer roleAdvanced AWS knowledge ( AWS Professional Certification level)Extensive experience with AWS networking services including Transit Gateway, VPC, Direct Connect, and VPC peeringStrong understanding of on-premises datacentre networking and colocation environmentsProficiency with Terraform and Ansible for infrastructure and network automationExperience with GitLab CI/CD pipelines and GitOps principlesKnowledge of container orchestration platforms like Kubernetes (EKS)Experience with monitoring and observability tools including OpenSearch, Prometheus, and GrafanaUnderstanding of security best practices and AWS CIS Benchmark standardsExperience with low-latency network design and optimizationStrong verbal communication and documentation skillsExperience with multi-region and multi-account AWS environmentsBackground in supporting high-performance or financial trading systems preferredProven ability to design and implement fault-tolerant, resilient network architectures