At a Glance
- Tasks: Design and develop intelligent agent systems using cutting-edge AI methods.
- Company: Join Viridien, a leader in advanced technology and Earth data solutions.
- Benefits: Competitive salary, flexible working, wellness support, and generous holiday options.
- Other info: Embrace continuous learning and contribute to sustainable solutions.
- Why this job: Make a real-world impact with innovative AI in a collaborative environment.
- Qualifications: Degree in relevant field and strong Python programming skills required.
The predicted salary is between 72000 - 88000 £ per year.
Viridien ( www. viridiengroup. com ) is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future.
With our ingenuity, drive and deep curiosity we discover new insights, innovations, and solutions that efficiently and responsibly resolve complex natural resource, digital, energy transition and infrastructure challenges.
Are you interested in working on real world data like no other?
Viridien is expanding its capabilities in agentic AI, large language models and reinforcement learning for complex scientific and enterprise workflows.
We are looking for a hands-on Machine Learning Engineer to design, develop and evaluate intelligent agent systems, turning emerging AI methods into reliable, scalable and reusable solutions for truly real world data.
About the Team
Learn more about our work and the team on our website , recent blog post featuring one of our senior machine learning engineers and our latest
Voices of Viridien .
Key responsibilities
- Design and develop single-agent and multi-agent systems for complex workflows.
- Build reasoning, planning, task decomposition, memory, tool-use and agent-collaboration capabilities.
- Integrate LLMs, vision-language models, retrieval systems and domain-specific tools.
- Fine-tune and adapt foundation models using supervised learning, preference optimisation and reinforcement learning where appropriate.
- Develop training environments, reward functions, graders and feedback mechanisms.
- Build evaluation, guardrail and monitoring approaches for agent reliability.
- Convert prototypes into production-ready APIs, services and reusable software components.
Experience and skills
- Required
- Degree in computer science, artificial intelligence, machine learning, engineering or a related discipline, or equivalent practical experience.
- Strong Python programming and software-engineering skills.
- Experience developing machine-learning, generative AI or LLM applications.
- Practical experience with Py Torch, JAX, Tensor Flow or a similar framework.
- Understanding of agentic AI concepts such as tool calling, planning, memory and workflow orchestration.
- Knowledge of reinforcement learning, preference optimisation or sequential decision-making.
- Experience designing model evaluations and translating research ideas into reliable software.
Desirable
- Experience developing multi-agent systems using Lang Graph, Auto Gen, smolagents or similar frameworks.
- Experience with LLM fine-tuning, DPO, GRPO, PPO, RLHF or RLAIF.
- Experience designing reward functions, graders or agent training environments.
- Experience with Model Context Protocol and tool integration.
- Experience deploying open-source language or vision-language models, including distributed training or GPU computing.
- Experience applying AI to scientific, engineering, energy or geoscience workflows.
Why work with us?
- Competitive salary commensurate with experience
- Highly attractive bonus scheme
- Initial 22 days annual leave with future increases, complemented by a flexible buying and selling holiday program
- Hybrid working with two days at home, flexible working
- Company pension with generous employer contribution
- Wellbeing Unmind app – puts you in control of your mental health
- A flexible benefits platform with numerous discount schemes - gym membership, restaurants, cinema tickets, and much more!
- Cycle purchase scheme
- Flexible Private Medical & Dental care programmes
- Bank Holiday Swap - our holiday swap program allows you to change it for another day of your choice!
- Buy & Sell Holiday Programme - you can buy extra holiday, sell unused holiday or even save it up!
- Relaxed dress code policy
- Learning and Development
At Viridien, we foster a culture of continuous learning and provide tailored training programs through our Learning Hub, designed to enhance technical, commercial, and personal growth.
We Care about the Environment
We encourage and actively support a strong sense of community, through volunteering and various company initiatives, as well as a strong company commitment to protecting our environment through sustainable solutions, energy saving and waste reduction enterprises.
Our Hiring Process
At Viridien, we are committed to delivering a respectful, inclusive, and transparent recruitment experience.
Due to the high volume of applications we receive, we may not be able to provide individual feedback to every applicant.
Only candidates whose qualifications closely match the role criteria will be contacted for an interview.
We do, however, aim to share personalized feedback with those who progress to the first round of interviews and beyond.
We are also dedicated to ensuring that our hiring process accessible to all.
If you require any reasonable adjustments to fully participate in the application or interview stages, please don’t hesitate to contact your recruiter directly.
We see things differently.
Diversity fuels our innovation, we value the unique ways in which we differ, and we are committed to equal employment opportunities for all professionals.
Machine Learning Engineer - Agentic AI & Reinforcement Learning in Crawley employer: Viridien
Viridien is an excellent employer located in Crawley, offering a dynamic work environment where innovation thrives. With a strong focus on employee well-being and growth, the company provides a hybrid work model, competitive salaries, and attractive perks such as a bonus scheme. Joining our team means being part of a collaborative culture that values your contributions and supports your professional development.
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We think you need these skills to ace Machine Learning Engineer - Agentic AI & Reinforcement Learning in Crawley
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