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# Lead Research Scientist - Machine Learning

- **Company:** Str Limited
- **Location:** Woburn, MA, United States
- **Experience:** Expert
- **Salary:** $174,000.0 - $220,000.0
- **Contract:** Permanent contract
- **Skills:** Artificial Neural Networks, C++ (Programming Language), Systems Analysis, Python (Programming Language), Machine Learning, Network Architecture, Tensorflow, Pytorch, Deep Learning, Pandas, Matplotlib, Scikit Learn, Information Technology
- **Published:** October 27, 2026
- **Apply:** https://www.careerbuilder.com/job-details/lead-research-scientist-machine-learning-woburn-ma--828e9650-61aa-413f-9d18-e302d6c416e2

## About the Role

Machine Learning, Scientific Research, Data Science, Physics, Computer Science, Mathematics, Research & Development (R&D), Statistics, SET (Secure Electronic Transaction), Machine Learning, * MS with at least 8 years of experience, and/or PhD with at least 5 years of experience (or equivalent experience) in a scientific field such as applied math, physics, electrical engineering, computer science, or data science

 * Experience building neural networks using standard deep learning tools (e.g., PyTorch, JAX, TensorFlow), including implementing new layers/network architectures, model training, hyperparameter tuning, and ablation studies
 * Experience adapting novel machine learning approaches (e.g., from academic literature) to new data sets and problems
 * Experience with standard data science tools such as scikit-learn, Pandas, and Matplotlib
 * Proficiency in one or more programming languages: Python, C/C++
 * Able to work, collaborate on, and lead multi-disciplinary teams
 * Able to communicate technical foundations of models and algorithms to technical and non-technical audiences
 * Ability to obtain and maintain a security clearance, for which U.S citizenship is needed by the U.S government

Even better:

 * Active US government security clearance
 * Experience applying deep learning to domains other than images/text, such as time series, discrete event sequence, or geospatial
 * Experience with self-supervised machine learning
 * Expertise working with time series, geospatial, and/or spatio-temporal data
 * Experience in intelligence or military-related mission areas

## Description

As a Lead Research Scientist at STR, you will help develop disruptive technologies focused on signals exploitation, estimation theory, system resource management, and systems analysis. You will lead the development of cutting-edge AI/ML algorithms for novel application domains and modalities, participate on and lead project teams, and interact with customers. You will explore fascinating datasets, develop cutting-edge algorithmic techniques, and solve high-impact, unique problems for our customers. We are looking for someone to join our team onsite as this position is based primarily in the Woburn, MA office.