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About the Role
We are hiring three Senior Engineers to form the core of our group AI engineering team. Together, you'll design and build the next generation of AI-powered systems that will transform how thousands of people work, across the Nordics and beyond. You'll work directly with the VP of Group AI. This is production engineering at enterprise scale, on the Microsoft platform, using the most advanced AI models available today.
Responsibilities
- Design and build the next generation of AI-powered systems.
- Work directly with the VP of Group AI.
- Perform production engineering at enterprise scale on the Microsoft platform.
- Utilize the most advanced AI models available today.
Requirements
- Strong expertise in LLM application design, including prompt engineering, agent frameworks, and evaluation.
- Good understanding of data as a foundation for AI-driven insights.
- Experience building scalable, production-grade AI systems, with focus on context management, cost optimisation, and real-world deployment.
- Proven ability to design multi-agent architectures where AI systems collaborate effectively.
- Hands-on experience with Microsoft 365 ecosystem (Graph, Teams, SharePoint) and cloud-native platforms like Azure.
- Solid background in data and retrieval systems, including vector search, embeddings, document databases, and RAG architectures.
- Skilled in building robust, event-driven and API-based systems with strong focus on reliability, security, and enterprise compliance.
- Full driver's licence and access to a vehicle.
- Curious, looking to challenge the status quo and improve.
- Collaborates well with both internal and external colleagues.
- Committed to personal development and becoming a Trusted Advisor in your field.
- Deep experience in LLM application architecture, including prompt engineering, agent frameworks, tool integration, and model evaluation.
- Strong understanding of context window management, cost optimisation, and model behaviour at scale.
- Expert knowledge of AI Security and AI Governance.
- Hands-on experience with Microsoft Graph, Teams, SharePoint, and the broader Microsoft 365 ecosystem.
- Expert knowledge of AI Security and AI Governance as they relate to automation, integrations, and enterprise-scale AI solutions.
- Extensive experience with document databases, vector search technologies, and embedding models.
- Understanding of RAG architectures, including chunking, reranking, hybrid search, and citation grounding.
- Ability to design data governance frameworks that meet enterprise compliance requirements such as DLP, auditing, and retention.
- Experience building scalable knowledge retrieval systems.
- Expert knowledge of AI Security and AI Governance.
Skills
- LLM application design
- Prompt engineering
- Agent frameworks
- Evaluation
- Data as a foundation for AI-driven insights
- Scalable, production-grade AI systems
- Context management
- Cost optimisation
- Real-world deployment
- Multi-agent architectures
- Microsoft 365 ecosystem
- Azure
- Data and retrieval systems
- Vector search
- Embeddings
- Document databases
- RAG architectures
- Event-driven systems
- API-based systems
- Reliability
- Security
- Enterprise compliance
- AI Security
- AI Governance
- Microsoft Graph
- Microsoft Teams
- SharePoint
- Automation
- Integrations
- Enterprise-scale AI solutions
- Document databases
- Vector search technologies
- Embedding models
- RAG architectures
- Chunking
- Reranking
- Hybrid search
- Citation grounding
- Data governance frameworks
- DLP
- Auditing
- Retention
- Scalable knowledge retrieval systems
Location
- Home-based
- Client site
- Columbus offices
Work Type
- Full time
- Hybrid
Experience Level
- Senior
Salary/Compensations
- Negotiable
Benefits
- Bonus
- 25 Days Annual Leave (Increasing with Service)
- Plus Bank Holidays
- Medical Insurance (terms apply)
- Health Cashback Plan
- Columbus Benefits Hub – Discounts on Tickets, Shopping, Car leasing, Holidays, Food and More
- Enhanced Maternity Pay
- Access to Free Training Courses Delivered by Columbus Academy
- Free Microsoft Certifications and access to Microsoft Learn
- Modern air-conditioned office spaces fully managed by Cubo (multiple UK locations)
- Free Barista Coffee and hot drinks made in-house
- Free Beer and Fizz every day (2 - 5pm)
- Casual Dress Code in our Offices
- Personal Pension Plan
- Life Assurance x4 Salary
- Cycle-to-Work Scheme
- £2,500 payment for successful candidate referrals (if eligible)
- Flexi-phone upgrade scheme (if eligible)
- Employee Wellbeing Program (terms apply)
- Free 24/7 Access to Cubo Gym(s)
- Vitality Medical Insurance
- Westfield Health Cash plan (includes an Employee Assistance Line)
- Mental health first aiders
- Virtual suggestion boxes
About the Company
- People always come first at Columbus.
- We’re a global digital consultancy with a local presence, helping businesses transform and thrive through technology, data, and human insight.
- We’re a workplace where careers are nurtured, and development is supported through clear, structured career paths.
- Our culture is built on trust, collaboration, curiosity, and a shared commitment to delivering customer success.
- Whether you're an experienced professional or just starting out, you’ll find the freedom to explore ideas, challenge convention, and shape your own path.
- Diversity and Inclusion are close to our hearts.
- By joining our team, you will be part of a supportive network that values your voice, respects your ideas, and promotes a healthy work-life balance.
- Our average length of service in the UK is 8 years, as we are committed to cultivating an inclusive workplace culture that celebrates and supports career growth and advancement in becoming a Trusted Advisor.
- We provide equal opportunities for everyone, ensuring a level playing field for all candidates.
- We actively encourage applications from all backgrounds to apply for positions across our organisation, and in return, we will give you the tools and support to Thrive with us, Grow your Skillsets, and be empowered to Shape the Future.
- Enterprise software is going through its biggest shift in decades.
- Applications are moving from deterministic workflows to intelligent, agentic systems that understand context, remember preferences, and act on behalf of users.
- This isn't a future prediction; it's happening now, and Columbus is building at the frontier of it.
- We have an environment that gives you the flexibility to achieve an effective work-life balance for you and your family, whether you want to work from home or at one of our luxury Cubo offices around the UK.
- We continue to offer our customers onsite consultancy time if requested, so flexibility around travel and overnight stays is expected, depending on the project requirements.
- Onsite time is planned ahead of time, within 2-week blocks, so you know well in advance where you will be working.
- We encourage those in customer-facing roles to aim to come into the office at least once a month, and also for team meetings and client meetings; however, you can work from Nottingham HQ or any Cubo office regularly if you prefer, whichever suits you.
- You will be a part of both a local and global team, where you not only share knowledge but also a laugh or two.
- We value our employees and leave room for flexibility so that you can enjoy a work-life balance.
- As a Microsoft Gold Partner for over 20 years, Columbus has access to a range of market-leading resources, training and certifications.
- As a Microsoft Inner Circle member, Columbus has been recognised as part of an elite category of partners.
- With over 1,500 colleagues across more than 10 countries, we bring global perspectives and local understanding.
- What unites us is our belief in creating meaningful impact — for our people, our customers, and the journey ahead.
Equal Opportunity
- Diversity and Inclusion are close to our hearts.
- We provide equal opportunities for everyone, ensuring a level playing field for all candidates.
- We actively encourage applications from all backgrounds to apply for positions across our organisation.