Senior Systems Engineer – Aerospace and Defence

Moneybox is an award-winning wealth management platform, helping over one and a half million people build wealth throughout their lives, whether they’re saving and investing, buying their first home, or planning for retirement.This is a hybrid role. Our office is in London, by the Oxo Towern This role is in our Tech Ops Engineering team that operates our cloud-hosted services. You will be working with people throughout Moneybox to design and deliver platform capabilities, drive operational excellence, support the live service, and shape how we do things. We’re looking for someone who thrives across solution architecture, hands-on engineering, and owning their solutions from concept through to production — and who can bring others along with them. This team offers and runs the following services;Provides infrastructure patterns and practices guidance to squads as they develop new services, and continuously improve the IaC, policies and guardrails that allow them to operate independently.nAdvanced Technical Support: Works alongside our engineering teams to handle complex technical inquiries related to our live services, ensuring service issues are resolved swiftly, with minimal impact.Azure: App Services, Functions, Service Bus, Event Hub, CosmosDB, Redis, SQL Server, Databricks, Key Vault, AKS (Kubernetes), Networking, Managed Identity n GitHub, GitHub Actions, Azure DevOps Pipelines n C#, .NET Core / .NET Framework (being phased out)n js, React n nLead the design, build, and operation of cloud infrastructure, platform services, and ops tooling that underpin our live service and empower engineering teams.nOwn and evolve monitoring and alerting across production systems – ensuring dashboards and alerts are high-signal and actionable.nLead incident response during production issues. nInvestigate and resolve complex technical issues across application, infrastructure, data, and networking layers – performing root cause analysis and implementing durable fixes, not just patches.nImprove CI/CD pipelines and deployment practices to increase engineering velocity while maintaining deployment safety and rollback capability.nProactively manage cloud capacity and cost — monitoring spend, identifying optimisation opportunities, and contributing to FinOps practices including tagging, budgeting, and cost allocation.nEnsure infrastructure and platform services meet security, regulatory, and compliance requirements. Implement and maintain controls around network segmentation, access management, secrets handling, and vulnerability patching.nContribute to production-readiness standards — every change should be observable, reversible, and well-tested before it reaches customers.nSupport the wider business to meet their goals where major infrastructure or service change is required.nStay abreast of and (where necessary) apply the latest emerging technologies relevant to systems engineering and cloud infrastructure.nPassionate about platform reliability, operational excellence, and building shared ownership of production systems across the wider engineering team.nPragmatic – you favour simplicity, avoid over-engineering, and know when “good enough” is the right call.A degree in Computer Science or relevant experience n Cloud Infrastructure (even better if it’s Microsoft Azure)n Web Application Security (E.g. Web and API scalability and performance n Azure Devops, Github Actions)n…