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About This Role
Location Gaithersburg, Maryland, United States Job ID R-260137 Date posted 21/09/2026
AstraZeneca is a global, science-led, patient-focused biopharmaceutical company that focuses on the discovery, development, and commercialisation of prescription medicines in Oncology, Rare Diseases, and BioPharmaceuticals, including Cardiovascular, Renal & Metabolism, and Respiratory & Immunology. We are committed to pushing the boundaries of science to deliver life-changing medicines, and we believe that data science and artificial intelligence are central to how we will redefine drug discovery and patient care over the next decade.
About the Role
We are looking for an exceptional Scientist or Senior Scientist to join our growing AI/ML for Translational and Clinical Sciences team, working at the intersection of digital twins, foundation models, and multimodal clinical data. In this role, you will design and build next-generation machine learning systems that predict clinical outcomes, discover novel biomarkers, and enable precision patient stratification across AstraZeneca's therapeutic areas.
You will help build patient-level digital twins that integrate longitudinal clinical, imaging, genomic, proteomic, and real-world data—leveraging foundation models to reason across modalities and time. Your work will directly inform trial design, endpoint selection, and translational decision-making, ultimately accelerating the delivery of transformative therapies to patients.
This is a highly collaborative role sitting at the interface of Data Science, Clinical Development, Translational Medicine, and Biometrics, with strong exposure to therapeutic area leadership.
What You'll Do
- Digital Twin Development: Design, train, and validate patient-level digital twin models that simulate disease trajectories and treatment response using longitudinal multimodal clinical data.
- Foundation Model Research: Contribute to the development, fine-tuning, and evaluation of foundation models (transformer-based, generative, and multimodal) tailored to clinical and biomedical data, including EHR, medical imaging, omics, and free-text clinical notes.
- Clinical Outcome Prediction: Build predictive and causal ML models for clinical endpoints, adverse events, disease progression, and treatment response, ensuring rigorous validation against prospective and external datasets.
- Multimodal Data Integration: Develop scalable pipelines and representation-learning approaches that unify structured clinical, genomic, transcriptomic, proteomic, imaging, and real-world evidence data.
- Biomarker Discovery: Apply interpretable ML and causal inference methods to identify and validate novel prognostic and predictive biomarkers from clinical trial and real-world datasets.
- Patient Stratification: Design ML-driven stratification strategies to support precision medicine hypotheses, enrichment trial designs, and companion diagnostic development.
- Cross-Functional Collaboration: Partner closely with clinicians, statisticians, translational scientists, bioinformaticians, and MLOps engineers to translate models into decision-grade tools embedded in R&D workflows.
- Scientific Leadership: Publish in top-tier venues (Nature Medicine, NeurIPS, ICML, Cell Patterns, Lancet Digital Health), represent AstraZeneca at external conferences, and contribute to strategic partnerships with academic and technology collaborators.
- Regulatory & Ethical Rigour: Ensure that models are developed in line with GxP, model risk management, fairness, privacy, and emerging regulatory guidance (FDA, EMA, MHRA) for AI/ML in drug development.
At the Senior Scientist level, you will additionally be expected to shape scientific strategy, mentor junior scientists, lead cross-functional workstreams, and act as a technical authority in digital twin and foundation model methodology across the portfolio.
Essential Requirements
- PhD in Computer Science, Machine Learning, Computational Biology, Biomedical Engineering, Biostatistics, Physics, or a closely related quantitative discipline OR an MS in a comparable discipline with equivalent applied research experience in AI/ML for healthcare or life sciences.
- Demonstrable experience developing machine learning or deep learning models applied to clinical, biomedical, or omics data.
- Strong proficiency in Python and modern ML frameworks (PyTorch, JAX, or TensorFlow), including experience with distributed training on GPU/TPU infrastructure.
- Solid understanding of transformer architectures, self-supervised learning, and foundation model training or fine-tuning paradigms.
- Experience working with longitudinal clinical data (EHR, clinical trials, registries) and familiarity with data standards such as OMOP, CDISC (SDTM/ADaM), FHIR, or DICOM.
- Strong grounding in statistical inference, causal modelling, or survival analysis, and a rigorous approach to validation and generalisation.
- Track record of scientific output through peer-reviewed publications, preprints, or open-source contributions.
- Excellent written and verbal communication skills, with the ability to explain complex methods to non-technical stakeholders.
Experience expectations by level:
- Scientist: PhD with 0–3 years of relevant post-PhD experience, or MS with 4+ years of relevant industry/research experience in applied ML for biomedical data.
- Senior Scientist: PhD with 5+ years of relevant post-PhD experience, or MS with 8+ years of relevant experience, and a demonstrated record of leading end-to-end ML projects and influencing scientific or product strategy.
Desirable Requirements
- Experience building or contributing to digital twin, synthetic control, or mechanistic-ML hybridmodels in a healthcare or life-sciences setting.
- Familiarity with multimodal representation learning, including vision-language models, graph neural networks, or time-series transformers.
- Prior work with multi-omics integration (genomics, transcriptomics, proteomics, single-cell) and pathway-informed modelling.
- Experience deploying models in regulated environments (GxP, SaMD) and familiarity with model interpretability, uncertainty quantification, and fairness frameworks.
- Exposure to cloud platforms (AWS, Azure, GCP), MLOps tooling, and reproducible research practices (containers, workflow managers, experiment tracking).
- Experience collaborating within pharma R&D, clinical development, or academic medical centres.
Why AstraZeneca
At AstraZeneca, we are pioneering a new era of scientific discovery where data, AI, and human ingenuity converge to redefine what medicine can do. Our AI/ML community spans thousands of scientists and engineers working across the entire value chain—from target discovery to real-world evidence—supported by world-class compute, curated clinical datasets, and deep therapeutic expertise. You will have the rare opportunity to see your models move from prototype to production, influencing decisions that shape clinical trials and reach patients globally.
We offer a competitive salary, performance bonus, share programmes, comprehensive health benefits, generous parental leave, learning and development budgets, and a strongly hybrid, inclusive working culture.
Diversity & Inclusion
AstraZeneca embraces diversity and equality of opportunity. We are committed to building an inclusive and diverse team representing all backgrounds, with as wide a range of perspectives as possible, and harnessing industry-leading skills. We believe that the more inclusive we are, the better our work will be. All qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.
How to Apply
Please submit your CV together with a short cover letter outlining your relevant experience and motivation for the role. Applications will be reviewed on a rolling basis.
The annual base pay for this position ranges from $72,120.00 - $108,181.20. Our positions offer eligibility for various incentives—an opportunity to receive short-term incentive bonuses, equity-based awards for salaried roles and commissions for sales roles. Benefits offered include qualified retirement programs, paid time off (i.e., vacation, holiday, and leaves), as well as health, dental, and vision coverage in accordance with the terms of the applicable plans.
Date Posted
22-Sep-2026 Closing Date
27-Sep-2026 Our mission is to build an inclusive environment where equal employment opportunities are available to all applicants and employees. In furtherance of that mission, we welcome and consider applications from all qualified candidates, regardless of their protected characteristics. If you have a disability or special need that requires accommodation, please complete the corresponding section in the application form.
Salary Context
This $72K-$108K range is in the lower quartile for AI/ML Engineer roles in our dataset (median: $175K across 1356 roles with salary data).
View full AI/ML Engineer salary data →Role Details
About This Role
AI/ML Engineers build and deploy machine learning models in production. They work across the full ML lifecycle: data pipelines, model training, evaluation, and serving infrastructure. The role has evolved significantly over the past two years. Where ML Engineers once spent most of their time on model architecture, the job now tilts heavily toward inference optimization, cost management, and integrating LLM capabilities into existing systems. Companies want engineers who can ship production systems, and the experimenter-only role is fading fast.
Day-to-day, you're writing training pipelines, debugging data quality issues, setting up evaluation frameworks, and figuring out why your model performs differently in staging than it did on your dev set. The best ML engineers are obsessive about reproducibility and measurement. They instrument everything. They know that a model is only as good as the data feeding it and the infrastructure serving it.
Across the 8,943 AI roles we're tracking, AI/ML Engineer positions make up 75% of the market. At AstraZeneca, this role fits into their broader AI and engineering organization.
Demand for AI/ML Engineers has been strong and consistent. Unlike some AI roles that spike with hype cycles, ML engineering is a foundational need. Every company deploying AI models needs people who can keep them running, and the gap between research prototypes and production systems keeps growing.
What the Work Looks Like
A typical week might include: debugging a data pipeline that's silently dropping 3% of training examples, running A/B tests on a new model version, writing documentation for a feature flag system that lets you roll back model deployments, and reviewing a junior engineer's PR for a new evaluation metric. Meetings tend to be cross-functional since ML touches product, engineering, and data teams.
Demand for AI/ML Engineers has been strong and consistent. Unlike some AI roles that spike with hype cycles, ML engineering is a foundational need. Every company deploying AI models needs people who can keep them running, and the gap between research prototypes and production systems keeps growing.
Skills Required
Python and PyTorch dominate the requirements. Most roles expect experience with cloud platforms (AWS, GCP, or Azure) and familiarity with ML frameworks like TensorFlow or JAX. RAG (Retrieval-Augmented Generation) has become a top-3 skill requirement as companies integrate LLMs into their products. Docker and Kubernetes show up in about a third of postings, reflecting the production focus of the role.
Beyond the core stack, employers increasingly want experience with experiment tracking tools (MLflow, Weights & Biases), feature stores, and vector databases. Fine-tuning experience is valuable but less common than you'd think from reading Twitter. Most production LLM work is RAG and prompt engineering, not fine-tuning. If you have both, you're in a strong position.
Companies that are serious about AI/ML hiring tend to post specific infrastructure details in the job description: the frameworks they use, their model serving stack, their data pipeline tools. Vague postings that just say 'ML experience required' without specifics are often companies that haven't figured out what they need yet.
Compensation Benchmarks
AI/ML Engineer roles pay a median of $212,000 based on 11,866 positions with disclosed compensation. Mid-level AI roles across all categories have a median of $193,200. This role's midpoint ($90K) sits 57% below the category median. Disclosed range: $72K to $108K.
Across all AI roles, the market median is $213,380. Top-quartile compensation starts at $264,148. The 90th percentile reaches $319,310. For comparison, the highest-paying categories include AI Safety ($253,100) and Research Engineer ($252,000). By seniority level: Entry: $110,408; Mid: $193,200; Senior: $228,700; Director: $272,250; VP: $235,000.
AstraZeneca AI Hiring
AstraZeneca has 8 open AI roles right now. They're hiring across AI/ML Engineer. Positions span Gaithersburg, MD, US, Cambridge, MA, US, London, England, UK. Compensation range: $108K - $214K.
Location Context
Across all AI roles, 6% (521 positions) offer remote work, while 8,351 require on-site attendance. Top AI hiring metros: New York (2,878 roles, $221,000 median); San Francisco (2,416 roles, $263,811 median); Los Angeles (1,340 roles, $210,000 median).
Career Path
Common paths into AI/ML Engineer roles include Data Scientist, Software Engineer, Research Engineer.
From here, career progression typically leads toward ML Architect, AI Engineering Manager, Principal ML Engineer.
The fastest path into ML engineering is through software engineering with a self-directed ML education. A CS degree helps, but production engineering skills matter more than academic credentials. Build something that works, deploy it, and measure it. That portfolio project is worth more than a Coursera certificate. For career growth, the fork comes around the senior level: go deep on technical complexity (staff/principal track) or move into managing ML teams.
What to Expect in Interviews
Expect system design questions around ML pipelines: how you'd build a training pipeline for a specific use case, handle data drift, or design A/B testing infrastructure for model deployments. Coding rounds typically involve Python, with emphasis on data manipulation (pandas, numpy) and algorithm implementation. Take-home assignments often ask you to build an end-to-end ML pipeline from raw data to deployed model.
When evaluating opportunities: Companies that are serious about AI/ML hiring tend to post specific infrastructure details in the job description: the frameworks they use, their model serving stack, their data pipeline tools. Vague postings that just say 'ML experience required' without specifics are often companies that haven't figured out what they need yet.
AI Hiring Overview
The AI job market has 8,943 open positions tracked in our dataset. By seniority: 175 entry-level, 4,132 mid-level, 3,268 senior, and 1,368 leadership roles (Director, VP, C-Level). Remote roles make up 6% of the market (521 positions). The remaining 8,351 roles require on-site or hybrid attendance.
The market median for AI roles is $213,380. Top-quartile compensation starts at $264,148. The 90th percentile reaches $319,310. Highest-paying categories: AI Safety ($253,100 median, 57 roles); Research Engineer ($252,000 median, 419 roles); AI Engineering Manager ($251,622 median, 51 roles).
Demand for AI/ML Engineers has been strong and consistent. Unlike some AI roles that spike with hype cycles, ML engineering is a foundational need. Every company deploying AI models needs people who can keep them running, and the gap between research prototypes and production systems keeps growing.
The AI Job Market Today
The AI job market spans 8,943 open positions across 16 role categories. The largest categories by volume: AI/ML Engineer (6,739), AI Product Manager (403), AI Software Engineer (402). These three account for the majority of open positions, though smaller categories often have higher per-role compensation because of specialized skill requirements.
The seniority mix tells a story about where AI teams are in their maturity. Entry-level roles (175) are outnumbered by mid-level (4,132) and senior (3,268) positions, reflecting that most companies are past the 'build a team from scratch' phase and need experienced engineers who can ship production systems. Leadership roles (Director, VP, C-Level) total 1,368 positions, representing the bottleneck between technical execution and organizational strategy.
Remote work availability sits at 6% of all AI roles (521 positions), with 8,351 requiring on-site or hybrid attendance. The remote share has stabilized after the post-pandemic correction. Senior and specialized roles (Research Scientist, ML Architect) are more likely to be remote-eligible than entry-level positions, partly because experienced hires have more negotiating power and partly because these roles require less hands-on mentorship.
AI compensation is structured in clear tiers. The market median sits at $213,380. Top-quartile roles start at $264,148, and the 90th percentile reaches $319,310. These figures include base salary with disclosed compensation. Total compensation (including equity, bonuses, and sign-on) runs 20-40% higher at companies that offer those components.
Category matters for compensation. AI Safety roles lead at $253,100 median, while Prompt Engineer roles sit at $141,440. The spread between highest and lowest-paying categories reflects the premium on specialized technical skills versus broader analytical roles.
The most in-demand skills across all AI postings: Python (1,422 postings), Aws (808 postings), Azure (638 postings), Rag (555 postings), Gcp (457 postings), Pytorch (433 postings), Claude (341 postings), Kubernetes (337 postings). Python dominates, appearing in the vast majority of role descriptions regardless of category. Cloud platform experience (AWS, GCP, Azure) is the second most common requirement. The newer entrants to the top skills list (RAG, vector databases, LLM APIs) reflect the shift from traditional ML toward generative AI applications.
Frequently Asked Questions
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