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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.

Ncounter are partnered with a fast-growing consultancy delivering secure digital and cloud transformation programmes across Defence, Intelligence, and wider Government. We’re looking for Platform Engineers who thrive at the intersection of DevOps, cloud architecture, and secure infrastructure delivery. You’ll join a high-performing team building cloud-native environments that underpin some of the UK’s most complex technology programmes. The Role You’ll be hands-on in designing, building, and optimising modern Kubernetes-based platforms that enable large-scale systems integration and automation. This will include containerising workloads, implementing robust CI/CD processes, and shaping secure environments within regulated, mission-focused settings. Working alongside architects, security engineers, and developers, you’ll play a key part in modernising legacy systems, introducing automation, and helping clients realise the full potential of cloud technologies.

Ncounter are supporting a major Defence Cloud transformation programme delivered in partnership with a global technology provider. This multi-year initiative is driving the evolution of secure, scalable cloud infrastructure across several £100m+ workstreams. We’re seeking a Platform Engineer with deep Kubernetes expertise to help design, deploy, and optimise containerised workloads on Google Cloud Platform (GCP). You’ll be joining a collaborative engineering environment where automation, resilience, and speed of delivery are key.

Our boutique consultancy partner, known for its deep expertise across the public sector, is seeking talented Business Consultants to join their growing team. Supporting key engagements across Central Government, Defence, Intelligence, Security, and Emergency Services, you’ll be part of meaningful programmes that drive real societal impact.

Ncounter is supporting a global technology-driven investment firm in hiring a Technology Integration Specialist to join a highly collaborative team that bridges development, infrastructure, and support. This function ensures trading systems and data services work seamlessly across the front-to-back lifecycle, making it a key link between engineering and operations.

A consultancy partner is looking for a Lead Cyber Security Consultants to lead a number of small teams across multiple engagements with their clients in National Security, Defence and the Intelligence Community. With a catalogue of further projects across Central Government, Policing/Law Enforcement, Critical National Infrastructure and Emergency Services - if you like to see your work have an impact, this is the place for you. Leading a team that can develop Strategies and Business Cases you will be adept to forecasting delivery and providing solutions for key clients, on programmes impacting society. This role is across several business units of a boutique Management Consultancy that has an unrivalled client list and programme involvement within the public sector across a variety of Cyber programmes.

Ncounter is seeking an experienced DV Cleared Architect to support a major Defence programme, driving the design and delivery of secure, large-scale infrastructure across both private and public cloud environments. This position focuses heavily on enterprise PKI and trust services, integrating modern authentication, federation, and certificate management capabilities across highly assured platforms. You’ll take a leading role in shaping resilient architectures within secure, air-gapped environments, ensuring compliance with MOD and NCSC principles while delivering practical, scalable solutions to complex mission

Ncounter is partnering with a leading trading technology group to hire an exceptional C++ Software Engineer to build and evolve high-performance order gateway systems used in fast-moving fixed income markets. This is a hands-on role developing ultra-low-latency services that handle order validation, routing and exchange connectivity - the backbone of real-time trading. You’ll join a collaborative team of developers, quants and platform engineers, working across a high-availability C++ codebase to deliver fast, resilient and observable services. You’ll be empowered to design, implement and test software that directly impacts trading performance, scalability and reliability.