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Leidos
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October 17, 2025
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Machine Learning Engineer

Tewksbury, MA
Full-time
Onsite
$68K/yr - $122K/yr
Entry, Mid Level
Leidos is a company focused on providing security solutions across various sectors. They are seeking a Machine Learning Engineer to support their data science and AI initiatives, where the individual will design, develop, and deploy machine learning models while collaborating with cross-functional teams to integrate these models into applications.
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Responsibilities

  • Assist in designing, developing, testing, and deploying machine learning models.
  • Work with large datasets: cleaning, preprocessing, feature engineering.
  • Collaborate with data scientists, engineers, and product managers to integrate ML models into applications.
  • Help monitor model performance and retrain/update models as needed.
  • Contribute to documentation and best practices.
  • Stay up to date with the latest ML research, tools, and technologies.
  • May require occasional travel (10%), domestic or international.

Qualification

Required

  • Bachelor’s degree in Computer Science, Engineering, Mathematics, or a related field and 2+ years of work experience or Master's degree with less than 2 years of work experience. May consider additional work experience in lieu of a degree.
  • Must have the ability to obtain a Public Trust clearance (US citizenship required).
  • Solid understanding of machine learning fundamentals (e.g., supervised/unsupervised learning, model evaluation).
  • Proficiency in Python and common ML libraries (e.g., scikit-learn, pandas, NumPy).
  • Proficiency in Object-oriented software design.
  • Familiarity with PyTorch, or similar frameworks.
  • Familiarity with cloud platforms (e.g., AWS, GCP, or Azure).
  • Experience with version control tools (e.g., Git).
  • Exposure to MLOps concepts or tools (e.g., MLflow, Docker, CI/CD).
  • Basic knowledge of SQL and data querying.
  • Strong problem-solving and communication skills.
  • Eagerness to learn and adapt in a fast-paced environment.

Preferred

  • Master’s degree and 1–2 years of hands-on experience in a machine learning or data science role (including internships, research, or full-time industry experience).
  • Proven experience building, validating, and deploying machine learning models in real-world scenarios.
  • Completed academic or industry projects that demonstrate the application of ML techniques to solve complex problems.
  • Cloud platform certifications, such as: Microsoft Certified: Azure AI Engineer Associate, AWS Certified Machine Learning – Specialty, Google Cloud Professional Machine Learning Engineer.
  • Experience using MLOps tools and workflows, including MLflow, Docker, CI/CD pipelines, and model monitoring.
  • Familiarity with deep learning frameworks, especially PyTorch, and the ability to build and fine-tune neural network models.
  • Exposure to data engineering workflows, such as data pipelines (e.g., Airflow), distributed processing (e.g., Spark), or data lake architectures.
  • Strong documentation skills and the ability to clearly communicate technical details to both technical and non-technical audiences.
  • Contributions to open-source ML projects, participation in Kaggle competitions, or relevant publications (a plus).

Benefit

Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health.
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Founded in 1969
Reston, Virginia, USA
10001+ employees
https://www.leidos.com/