Lexington, MA

Data Jobs in Lexington, MA

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Today

Junior AI Engineer

Nou Systems Inc Lexington, MA

Lexington, MA

Today

$70k - $125k/yr Full time Analytics Application Security Artificial Intelligence

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Job Description

Noun Systems Inc’s Technical Solutions division is hiring a Junior AI Engineer to help move machine learning work from the lab into real-world deployments. This role focuses on building and evaluating supervised learning and reinforcement learning models, along with the MLOps foundations required to operationalize them.

The position is based in Lexington, MA and is an onsite opportunity. The salary range is USD 70,000 - 125,000 per year, with a requirement of 1+ years of relevant experience and a bachelor’s degree in a STEM field.

What you’ll do

Help identify and design training data sets for model development.
Implement and customize machine learning models based on approaches from open literature.
Develop and maintain MLOps pipelines to support model training and deployment workflows.
Develop, train, and analyze models for both supervised learning and reinforcement learning.
Visualize results and communicate findings through written documents and oral presentations.
Support multiple teams and collaborate effectively with other teammates.
Work across a variety of projects, including engagements with other data scientists and opportunities to help educate non-data-science teams on the value and limitations of ML solutions.

Requirements

Bachelor’s degree in a STEM field.
Academic, internship, or professional experience in AI development (including RL, XAI, LLM).
1-3 years of hands-on experience with deep learning models (supervised, unsupervised, and reinforcement learning) using PyTorch, Tensorflow, or Jax.
Ability to possess or obtain an active Secret clearance.
Hands-on experience with deep learning models and software development fundamentals in Python.
Strong written and verbal communication skills.
A team player who can work on a variety of machine learning projects as opportunities arise.

Tools and technologies

Python, PyTorch, Tensorflow, Jax
Secret clearance
OpenAI Gymnasium, Ray RLlib
PyTorch Lightning, Optuna, MLflow
Git, Gitlab, CI/CD
Docker

Benefits

Competitive Wages*
Medical, Rx, Dental & Vision Insurance
Medical plan with Health Savings Account eligibility
Company-funded Life, Short-Term & Long-Term Disability Insurance
Personal Time Off, Vacation, and Paid Holidays
401(k) Retirement Plan
Employee Stock Ownership Plan (ESOP)
Flexible Spending Accounts
Norton LifeLock
Tuition Reimbursement
Personal Development, Technical Learning Opportunities, & Lunch-n-Learns
Corporate Sponsored Events & Community Outreach

Preferred qualifications

Ability to write clean deep learning code in Python.
Ability and mindset to approach problems with statistical rigor.
Strong intellectual curiosity.
Comfort with self-direction and ability to diagnose problems independently while working with top technical talent.
Experience with time series data, satellite imagery, and graph neural networks.
Experience with RL development using OpenAI Gymnasium and Ray RLlib.
Experience with RL algorithms, including Q-Learning and Actor-Critic methods.
Experience with MLOps tools (PyTorch Lightning, Optuna, MLflow, etc.).
Experience with DevOps tools (Git, Gitlab, CI/CD, Remote Computing, Docker).

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Today

Mid-Level AI Engineer

Nou Systems Inc Lexington, MA

Lexington, MA

Today

$125k - $200k/yr Full time Ai Ml Artificial Intelligence Data Pipeline

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Job Description

Nou Systems Inc is assembling an onsite team in Lexington, MA to build and deliver applied AI and machine learning systems for defense and related markets. In this role, you will help take models and methods from research into real-world use, covering areas such as deep reinforcement learning, explainability, adversarial ML, and model interpretability.

This mid-level to mid-senior position focuses on developing AI solutions, training and analyzing AI/ML systems, and supporting multiple teams while communicating results clearly to both technical and non-specialist audiences.

Role Focus

Develop, train, and analyze AI/ML systems, including deep reinforcement learning, explainability, adversarial ML, and model interpretability.
Architect and deliver AI solutions from lab to field for defense and related markets.

Responsibilities

Architect AI solutions and navigate complex engineering tradeoffs.
Identify and design training data sets.
Implement and customize AI models from open literature.
Develop MLOps pipelines.
Visualize and communicate results through written documents and oral presentations.
Brief technical concepts and results to non-specialist audiences.
Bring in new work through proposals and conferences for the Technical Solutions division.
Help develop junior engineers and contribute value beyond individual output.
Support multiple teams and collaborate effectively with teammates.

Requirements

Master’s degree in computer science, math, physics, or a related field (or bachelor’s degree plus 2 additional years of experience).
Strong intellectual curiosity.
Ability to identify, understand, and apply relevant research literature.
Must possess or be able to obtain an active Secret clearance.

Technologies

Python
PyTorch
Tensorflow
Jax
PyTorch Lightning
Optuna
MLflow
Git
Gitlab
CI/CD
Remote Computing
Docker

Benefits

Competitive Wages*
Medical, Rx, Dental & Vision Insurance
Medical plan with Health Savings Account eligibility
Company-funded Life, Short-Term & Long-Term Disability Insurance
Personal Time Off, Vacation, and Paid Holidays
401(k) Retirement Plan
Employee Stock Ownership Plan (ESOP)
Flexible Spending Accounts
Norton LifeLock
Tuition Reimbursement
Personal Development, Technical Learning Opportunities, & Lunch-n-Learns
Corporate Sponsored Events & Community Outreach

Salary range is USD 125,000 - 200,000 per year. Minimum experience: 2 years. Location: Lexington, MA (onsite).

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Data Jobs in Lexington, MA

Junior AI Engineer

Mid-Level AI Engineer

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