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Ncounter are supporting a major Defence initiative, and we are looking for a Platform Solution Architect with strong AWS expertise and a track record delivering complex cloud platforms in secure environments. This is a hands-on architecture role suited to someone who can shape technical strategy, guide Agile teams and work confidently with senior customer architects across demanding Defence programmes.

Ncounter are hiring an Identity Architect to support a high priority Defence programme. This role focuses on designing and documenting Identity, Credential and Access Management architectures and ensuring they integrate cleanly with wider MOD identity initiatives. The programme requires someone who understands Defence environments, can operate at Principal level and is confident working with senior technical stakeholders. You will be responsible for shaping identity designs, guiding implementation teams and producing clear and accurate architectural documentation.

We are looking for a hands-on engineer with proven experience configuring, administering, and supporting Solace PubSub+ environments. You will take ownership of the full lifecycle of the messaging platform, from deploying brokers and tuning performance to managing access controls, optimising resources, and ensuring reliable application connectivity across the estate. This role suits someone who enjoys being close to the technology, solving issues at source, and keeping distributed systems running efficiently.

We’re supporting a global investment firm in hiring an experienced Software Developer to join their Platform Storage team - a core part of their infrastructure group responsible for scaling and optimising storage systems that support critical research and trading workloads. This role offers the opportunity to work on innovative, high-impact projects at the intersection of cloud, open-source, and high-performance computing.

Ncounter is supporting a global investment firm in hiring a Software Developer to help design and evolve internal compute frameworks that underpin their trading and research platforms. This is a high-impact role, working at the intersection of software engineering and distributed systems, with the opportunity to build scalable tools and frameworks used across the business.

Ncounter are supporting a major MOD data and applications modernisation initiative. This programme underpins mission critical decision making and requires multiple DV Cleared Palantir Engineers to strengthen an existing engineering capability and accelerate delivery across several concurrent workstreams.

Join a high-profile Defence programme delivering complex, mission-critical cloud environments. This role sits within a secure engineering team, building and maintaining highly available Kubernetes and Terraform-based infrastructure for classified systems.

If you live and breathe Linux, love solving complex technical problems, and want to apply that expertise in a high-performance trading environment - this is for you. We’re supporting a global investment firm in growing their Market Data Integration team - the group responsible for ensuring that real-time and historical market data flows seamlessly across their trading and research platforms. This isn’t a developer role or a reactive support position. It’s a hands-on technical integration role, sitting between infrastructure, DevOps, and Market Data operations - perfect for someone from an application or front-office support background who wants to step up into more ownership and project delivery.