Ncounter Limited

Management Consultant, National Security London Hybrid (up to 3 days per week onsite) Active eDV Clearance Required Some consulting roles improve businesses. Others help protect the UK. Ncounter is supporting the growth of an established consultancy delivering strategic and operational consulting services across some of the UK's most sensitive National Security and Intelligence programmes. This is an opportunity to work alongside organisations whose work rarely reaches the public eye, supporting complex missions that directly contribute to the safety and security of the UK. You'll join an experienced consulting team trusted to solve challenging problems for intelligence and government organisations operating in highly secure environments. The work is varied, fast-moving and often ambiguous, requiring consultants who enjoy bringing clarity to complex situations while building trusted relationships with senior stakeholders. No two engagements are the same. One programme may focus on improving operational capability, another on delivering organisational change, shaping product strategy, defining business requirements, or helping major transformation programmes achieve successful outcomes. Whatever the challenge, you'll play a key role in delivering meaningful, measurable results. What you'll be doing Leading workstreams across complex consulting engagements. Building trusted relationships with stakeholders ranging from operational users through to senior programme leadership. Facilitating workshops, gathering requirements and translating complex challenges into practical delivery plans. Producing high-quality presentations, reports and recommendations that influence key decisions. Analysing data and business processes to identify opportunities for improvement. Supporting Agile delivery through business analysis, product management or business change activities. Working collaboratively across multidisciplinary client and consultancy teams. Contributing to the continued growth of the practice through recruitment, mentoring, knowledge sharing and internal initiatives. We're particularly interested in people who have Recent National Security experience, ideally within the last 12 months. Active eDV clearance. A background in management consulting, delivering complex client engagements. Experience in Business Analysis, Product Management, Business Change or Agile delivery environments. Strong stakeholder management skills, with confidence engaging technical specialists, operational users and senior decision makers. Excellent written and verbal communication, with the ability to simplify complex information for different audiences. Experience facilitating workshops, gathering requirements and presenting recommendations. Strong analytical and problem-solving abilities, supported by a structured consulting approach. The confidence to challenge assumptions constructively while maintaining strong client relationships. A proactive, adaptable mindset and the ability to thrive in fast-changing, highly secure environments. Why apply? This is an opportunity to work on projects that genuinely matter. The programmes are high profile, highly confidential and often unavailable elsewhere in the consulting market due to the level of security required. You'll gain exposure to some of the UK's most interesting National Security challenges while working alongside experienced consultants who are passionate about developing their people. Alongside meaningful work, you'll benefit from structured career progression, ongoing professional development, a collaborative culture, competitive salary and bonus, comprehensive benefits, and a genuine commitment to work-life balance. If you're an experienced consultant with active eDV clearance who wants to apply your skills to some of the UK's most important and sensitive programmes, we'd welcome a confidential conversation.

Software Developer - Risk Data Pipelines London Competitive Salary + Bonus Ncounter is supporting a global quantitative investment manager whose risk platforms rely on high-quality, real-time data. This role sits within the engineering team responsible for the ingestion, transformation, storage, and delivery of market, position, and reference data into critical risk systems. The focus is simple: ensure risk data is fast, accurate, complete, and verifiably fresh. In a trading environment, risk calculated on stale or incomplete data is worse than no risk data at all. This is a hands-on software engineering position for someone who enjoys building production-grade data systems and cares as much about data reliability as they do about clean code. Key Responsibilities Develop and maintain production data pipelines supporting risk analytics platforms. Build reliable, recoverable, and observable data workflows. Improve the quality, freshness, and completeness of critical risk data. Engineer performant Python applications for data processing and transformation. Optimise large-scale analytical data stores and query performance. Contribute to monitoring, alerting, and operational reliability across data services. Experience Required Experience building and operating production data pipelines rather than one-off scripts or analysis tooling. Strong Python development skills, with experience building performant, maintainable applications. Experience with workflow orchestration tools such as Airflow, Dagster, or Prefect. Understanding of retries, dependency management, idempotency, backfills, and operational recovery. Experience with analytical or columnar databases such as ClickHouse or similar technologies. Knowledge of partitioning, materialised views, and query optimisation techniques. Experience with numerical and data processing libraries including NumPy, pandas, Polars, or Arrow. Understanding of performance optimisation, memory usage, multiprocessing, or asynchronous Python. This opportunity would suit an engineer who enjoys solving complex data engineering problems and building the reliable data foundations that underpin modern risk systems.

Senior Java Developer Senior Java Developers with a passion for cutting-edge technology and a desire to work on a flagship platform rebuild, look no further for your next role! We have an exceptional opportunity with a leading financial services technology vendor based in the heart of London. As a Senior Java Developer within this team, you will play a crucial role in the next phase of their growth, working on autonomous software at the core of their processes. You will have the opportunity to bring the most cutting-edge technology to their global client pool, with a focus on low-latent messaging solutions and highly available event-driven services. Must have experience: 5+ years experience in JVM, we use both Kotlin and Java Multi-threading, concurrency and Low-latency experience Exposure to Kotlin as well as Strings, Memory Management and associated problems a plus Automated test experience, Unit testing and Integration testing An understanding of message-driven programming and messaging systems Experience with FIX and Kafka a huge plus To excel in this role, you will need a minimum of 7 years' experience in JVM, with proficiency in both Kotlin and Java. Experience in multi-threading, concurrency, and low-latency is essential, as well as exposure to Kotlin, Strings, Memory Management, and associated problems. Automated test experience, including unit testing and integration testing, is also required. An understanding of message-driven programming and messaging systems, along with experience in FIX and Kafka, would be highly advantageous. If you are ready to take the next step in your career and make a significant impact in the world of financial technology, apply now and join the team.

Data Architect Ncounter is supporting a specialist consultancy delivering into highly sensitive National Security and Defence programmes, now seeking a DV Cleared Data Architect to join a high-impact transformation initiative. This contract requires 3 days per week onsite on the South Coast. This role sits at the heart of complex, secure data environments, focusing on the design of scalable architectures that enable integration, governance, and analytics across mission-critical systems. You will work alongside senior stakeholders, optimisation leads and solution architects to ensure data structures are aligned to operational needs, while providing clear architectural direction within fast-paced programmes. Key Responsibilities • Design and implement secure, scalable data architectures across complex environments • Define data models, standards and integration patterns across platforms • Embed data governance, quality and compliance aligned to Defence standards • Align data structures with operational tools, systems and user requirements • Collaborate with solution architects and programme teams to deliver cohesive solutions • Support full lifecycle delivery, from requirements through to deployment What We re Looking For • Active DV clearance is essential • Strong experience delivering data architecture within UK Defence or MOD environments • Proven background operating across multiple security classifications • Experience within consultancy or client-facing delivery roles • Knowledge of cloud data platforms, particularly Azure and AWS • Familiarity with data visualisation and analytics tooling such as Power BI or Qlik • Strong stakeholder engagement skills across technical and non-technical audiences This is a contract opportunity offering £(Apply online only) per day, working on programmes where data architecture is critical to operational success. You will play a key role in shaping secure data capabilities while influencing how organisations structure, govern and utilise data at scale. If you hold active DV clearance and are looking to take on a high-impact contract within Defence, please get in touch to discuss further.