Zaizi

Senior Machine Learning Engineer

Zaizi
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1 month ago
London, United KingdomSenior

Responsibilities

  • Lead the design, quantization, fine-tuning, optimization, and deployment of SLMs and vision-language models on low-power edge runtimes.
  • Design and maintain lightweight on-device graph databases and relationship-extraction pipelines for structured and unstructured sensor data.
  • Implement bounding guardrails, prompt evaluation, anti-hallucination controls, and Dependable AI governance requirements under JSP 936.
  • Build reproducible model-training, evaluation, and containerized deployment pipelines for air-gapped and low-bandwidth environments.
  • Translate complex ML and AI concepts into technical recommendations for MoD stakeholders, DSTL assessors, and prime contractors.

Requirements

  • Active UK SC Clearance and strong knowledge of AI safety, non-repudiation, human-in-the-loop constraints, and JSP 936 Dependable AI requirements.
  • At least 3 years of production experience deploying ML models to edge runtimes.
  • Experience with model quantization techniques including INT8, INT4, and AWQ, plus NPU/GPU execution acceleration.
  • Proficiency in Python and the PyTorch/Hugging Face ecosystems.
  • Knowledge of NLP, semantic summarization, graph-based data structures, graph databases, vector embeddings, and network analysis.
  • Understanding of Protobuf, JSON, XML, and streaming analytics.
  • Experience integrating ML runtimes into Android ART through Chaquopy, JNI, or native C++ libraries is desirable.
  • Experience with military sensor feeds, signals intelligence, SIGRF, or Cursor-on-Target data is desirable.
  • Publications or prior delivery with DSTL, DAIC, or Defence Innovation programs are desirable.

Benefits

  • Hybrid working with a work-from-home equipment allowance.
  • Annual salary review, pension starting at a 5% employer contribution and increasing up to 8%, and group life assurance.
  • 25 days of annual leave plus bank holidays, with the option to buy or sell additional days.
  • 10 paid days for Reservist Military Service and 2 paid volunteering days per year.
  • Fully funded professional certifications, 5 days of paid study leave, a £500 annual Personal Choice learning fund, coaching, and team training.
  • Vitality Private Medical Insurance, Apple Watch and gym rewards, and a Cycle to Work scheme.
  • Candidates must have the right to work in the UK without sponsorship and have lived in the UK continuously for the last 5+ years.
  • The role is based in London, United Kingdom, and requires active UK SC Clearance for government customer projects.
Zaizi

About Zaizi

51-200 employees
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