Context Engineer - Public Sector

Introduction

At IBM CIC, we provide technical and industry expertise to a wide range of public and private sector clients in the UK.

A career in IBM CIC means you’ll have the opportunity to work with leading professionals across multiple industries to improve the hybrid cloud and AI journey for the most innovative and valuable companies in the world. You will get the chance to deliver effective solutions, driving meaningful business change for our clients, using some of the latest technology platforms.

Curiosity and a constant quest for knowledge serve as the foundation to success here. You’ll be encouraged and supported to constantly reinvent yourself, focusing on skills in demand in an ever changing market. You’ll be working with diverse teams, coming up with creative solutions which impact a wide network of clients, who may be at their site or one of our CIC or IBM locations. Our culture of evolution centres on long-term career growth and development opportunities in an environment that embraces your unique skills and experience.

We Offer

Many training opportunities from classroom to e-learning, mentoring and coaching programs and the chance to gain industry recognized certifications

Regular and frequent promotion opportunities to ensure you can drive and develop your career with us

Feedback and checkpoints throughout the year

Diversity & Inclusion as an essential and authentic component of our culture through our policies and process as well as our Employee Champion teams and support networks

A culture where your ideas for growth and innovation are always welcome

Internal recognition programs for peer-to-peer appreciation as well as from manager to employees

Tools and policies to support your work-life balance from flexible working approaches, sabbatical programs, paid paternity leave, maternity leave and an innovative maternity returners scheme

More traditional benefits, such as 25 days holiday (in addition to public holidays), private medical, dental & optical cover, online shopping discounts, an Employee Assistance Program, life assurance and a group personal pension plan of an additional 5% of your base salary paid by us monthly to save for your future.

Your Role And Responsibilities

We are looking for a highly skilled Senior Enterprise Platform Application Developer to lead the design, development, and optimisation of applications across specialised platforms such as VM, TPF, Microfocus COBOL, Tandem, and HP-3000. You will apply strong C# and TypeScript expertise, implementing Clean Architecture and Clean Code principles to deliver scalable, maintainable solutions. Your role will involve advanced use of AI/LLM concepts, including prompt engineering and retrieval-augmented generation, to enhance functionality. You will analyse outputs for sufficiency, completeness, and freshness, mitigating risks such as hallucinations in AI-driven processes. This position requires collaboration with cross-functional teams to integrate modern technologies with legacy enterprise platforms. You will mentor junior developers, guiding them in best practices and innovative approaches.

Responsibilities

Lead application development across VM, TPF, Microfocus COBOL, Tandem, and HP-3000 platforms.

Implement Clean Architecture and Clean Code principles in C# and TypeScript solutions.

Apply AI/LLM techniques such as prompt engineering and RAG to enhance applications.

Analyse and validate outputs for relevance, accuracy, and risk mitigation.

Mentor junior developers and review their code for quality assurance.

Preferred Education

Bachelor's Degree

Required Technical And Professional Expertise

Strong foundation in software development with C# and TypeScript.

Experience with AI/LLM concepts (e.g. prompt engineering RAG).

Analytical mindset for assessing sufficiency (relevance completeness freshness) and mitigating risks like hallucinations.

Focus on Clean Architecture and Clean Code principle

Strong expertise in C# and TypeScript development.

Experience with one or more enterprise platforms (VM, TPF, Microfocus COBOL, Tandem, HP-3000).

Deep understanding of Clean Architecture and Clean Code practices.

Proficiency in AI/LLM concepts, prompt engineering, and RAG.

Analytical mindset for assessing sufficiency and mitigating AI-related risks.

As an equal opportunities’ employer, we welcome applications from individuals of all backgrounds. However, for you to be eligible for this role, you must have the valid right to work in the UK. Unfortunately, we do not offer visa sponsorship and have no future plans to do so. You must be a resident in the UK and have been living continuously in the UK for the last 5 years. You must be able to hold or gain a UK government security clearance.

Preferred Technical And Professional Experience

Experience integrating AI capabilities into legacy enterprise systems.

Familiarity with Microfocus COBOL optimisation techniques.

Background in performance tuning on mid-range enterprise platforms.

Knowledge of advanced AI hallucination prevention strategies.

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