AI Engineer

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ublié le 17/09/2026
CDI / SII United Kingdom
MISSION
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We are seeking an AI Engineer for Autonomy to design, develop and deliver advanced Artificial Intelligence and Machine Learning solutions within complex and safety\-critical environments. Working within a multidisciplinary AI and software engineering team, you will transform business and operational challenges into robust, scalable and secure AI capabilities.

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his role offers the opportunity to contribute across the full AI lifecycle, from concept development and model design through to deployment and continuous improvement, while supporting innovation across high\-profile defence and technology programmes.
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ROFIL
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KEY RESPONSIBILITIES:

• * ranslate business and operational requirements into AI solution designs and measurable outcomes.


• * evelop, train and evaluate AI and Machine Learning models across areas such as computer vision, autonomy, large language models and predictive analytics.


• * esign and maintain robust data processing, training and evaluation pipelines.


• * pply Responsible AI principles, ensuring model robustness, explainability, security and compliance.


• * ork closely with software engineers to deploy AI capabilities into production environments.


• * efine and monitor model performance metrics, data quality indicators and model drift measures.


• * roduce high\-quality, secure and maintainable code following software engineering best practices.


• * enerate technical documentation including architecture designs, model reports and implementation guidance.


• * evelop reusable AI components and frameworks to accelerate future programme delivery.


• * upport customer demonstrations, proof\-of\-concepts, technical workshops and bid activities.


• * ollaborate with data engineers, architects and cyber security specialists to develop integrated

olutions.

• * valuate emerging AI technologies and promote continuous improvement and innovation.

• * trong Python development experience within commercial or industrial environments.


• * xperience developing AI and Machine Learning solutions using frameworks such as PyTorch,

ensorFlow or Scikit\-Learn.

• * nowledge of autonomy frameworks such as ROS2 or equivalent technologies.


• * xperience working with Computer Vision, Deep Learning, NLP/LLM or Time\-Series Analytics

olutions.

• * trong understanding of data analysis and manipulation using tools such as Pandas, NumPy

nd SQL.

• * xperience deploying AI models into operational environments.


• * nderstanding of Responsible AI principles, model explainability and AI security

onsiderations.

• * xperience using Git and modern software development practices including testing and

ontinuous integration.

• * nowledge of Agile development methodologies and DevOps/MLOps principles.


• * trong stakeholder engagement and communication skills with both technical and nontechnical

udiences.

• * egree, Master's qualification or equivalent experience in Artificial Intelligence, Software

ngineering, Data Science or a related discipline.

• * ligible to obtain UK Security Clearance (SC).

• * xperience with MLflow, Weights \& Biases or similar experiment\-tracking tools.


• * xperience with Spark or large\-scale data processing platforms.


• * nowledge of ONNX, TorchScript, FastAPI or gRPC.


• * xperience deploying AI solutions within Azure, AWS or Google Cloud environments.


• * xperience using Docker and containerised deployment approaches.


• * xperience developing software in C\+\+ within safety\-critical environments.


• * xperience defining solution architectures or technical governance.


• * amiliarity with large\-scale data management and data\-labelling strategies.


• * LOps experience supporting production AI deployments.


• * ontributions to open\-source projects, technical publications or patents.


• * elevant AI, cloud or Agile certifications.

With five strategic offices in Belfast, Chester, Farnborough, London and Oxford, we work in partnership with our customers UK\-wide to deliver high\-impact engineering solutions.

SII UK is a trusted Aerospace and Defence engineering partner, supporting the delivery of complex, mission\-critical programmes while helping to shape the future of innovation across next\-generation systems and technologies.

Our teams contribute daily to creating a fulfilling, stimulating and career development focused work environment.

True to our human\-centred values, we are committed to making SII UK a Great Place To Work®, having been certified 5 years running.

Joining SII UK means being part of our collective goals, guided by our mission “Let’s Tech Together,” and helping to build a digital future that is sustainable, at the heart of an environment that values learning \& collaboration.

GROUPE SII
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Who are we?

With five strategic offices in Belfast, Chester, Farnborough, London and Oxford, we work in partnership with our customers UK\-wide to deliver high\-impact engineering solutions.

SII UK is a trusted Aerospace and Defence engineering partner, supporting the delivery of complex, mission\-critical programmes while helping to shape the future of innovation across next\-generation systems and technologies.

Our teams contribute daily to creating a fulfilling, stimulating and career development focused work environment.

True to our human\-centred values, we are committed to making SII UK a Great Place To Work®, having been certified 5 years running.

Joining SII UK means being part of our collective goals, guided by our mission “Let’s Tech Together,” and helping to build a digital future that is sustainable, at the heart of an environment that values learning \& collaboration.

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