Junior AI Engineer

nou Systems, Inc.; Boston (MA); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Competitive wages

Medical insurance

401(k)

ESOP

Tuition reimbursement

Paid time off

Job summary

nou Systems, Inc. (nSI) is seeking an AI Engineer to join the Technical Solutions division and help design ML solutions for defense and cyber domains. You will build, train, and evaluate ML models, work with data scientists, and communicate results to technical and non-technical stakeholders.

The role requires a STEM degree, hands-on DL experience with PyTorch/TensorFlow/Jax, and the ability to obtain an active Secret clearance. Collaboration and strong written/verbal skills are essential.

Qualifications

• Bachelor’s degree in a STEM field.
• Academic, internship, or professional experience with AI development (RL, XAI, LLM).
• 1-3 years of hands‑on experience with deep learning models (supervised, unsupervised, and reinforcement learning) using PyTorch, Tensorflow, or Jax.
• You must possess or can obtain an active Secret clearance.

Responsibilities

• Develop, train, and analyze ML models for supervised and reinforcement learning.
• Collaborate with other data scientists and educate non-data-science teams on ML value and limitations.
• Identify and design training data sets and implement ML models from literature.
• Develop MLOps pipelines.
• Communicate results in written documents and oral presentations.

Skills

Deep learning

Python

Reinforcement learning

RL development tools

MLOps

DevOps

Education

Bachelor’s degree in STEM

Tools

PyTorch

TensorFlow

Jax

OpenAI Gymnasium

Ray RLlib

Git

GitLab CI/CD

Docker

Job description

nou Systems, Inc. (nSI) is a 100% employee-owned company! We value teamwork and collaboration, and this transition allows us to take that commitment to a new level . nSI empowers our customers by supplying products, services, and expertise with powerful, data driven insights that transform defense systems and improve capabilities.

We are pleased to announce the opening for an AI Engineer who will join our Technical Solutions division and become part of our rapidly growing technology company operating in missile defense, cybersecurity, test range modernization, biotechnology, and space control marketspaces. You will be part of a team designing machine learning solutions from the lab to the field.

Responsibilities:

You’ll develop, train, and analyze machine learning models for supervised learning and reinforcement learning. You’ll work on a mix of projects, some of which will include other data scientists, others of which will require you to help educate non-data-science teams on the value and limitations of machine learning solutions. You will:

• Help identify and design training data sets.
• Implement and customize ML models from open literature.
• Develop MLOps pipelines.
• Visualize and communicate your results in written documents and oral presentations.
• You’ll support multiple teams and must be able to work effectively with other teammates.

Basic Qualifications:

• Bachelor’s degree in a STEM field.
• Academic, internship, or professional experience with AI development (RL, XAI, LLM)
• 1-3 years of hands‑on experience with deep learning models (supervised, unsupervised, and reinforcement learning) using PyTorch, Tensorflow, or Jax.
• You must possess or can obtain an active Secret clearance.

This is a junior level position. We are looking for hands‑on experience with deep learning models as well as software development fundamentals in Python. We are looking for great written and verbal communication skills. We are looking for someone who is a team player and is glad to work on a variety of machine learning projects as opportunity presents.

Lacking any of these qualifications disqualifies you from this job.

Preferred Qualifications:

• Ability to write clean deep learning code in Python.
• Ability and mindset to approach problems with statistical rigor.
• Strong intellectual curiosity. Our solutions often require creative implementations and combinations of state‑of‑the‑art methodology .
• Comfort with self‑direction. You'll work with our top technical talent, but we're looking for evidence you can diagnose a problem and approach it independently.
• 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)

nou (pronounced ‘new’) Systems

Since its founding in 2012, nou Systems has built a reputation for excellence in innovative engineering, prototype development, and technical and professional services in multiple markets, including missile defense, cybersecurity, test range modernization, and space control. Our diverse and highly skilled team delivers state‑of‑the‑art products from concepts and prototypes to fully developed and integrated solutions.

We offer significant advancement and personal career development opportunities within our dynamic high‑tech company. Our culture is firmly established in treating our employees like family.

Benefits of working at nSI

• 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
• Final compensation for this position is determined by a variety of factors, such as a candidate’s relevant work experience, skills, certifications, and geographic location.

nSI is an Equal Opportunity Employer

Employment opportunities at nSI are based upon a candidate’s qualifications and capabilities to perform the essential functions of a particular job and are free from discrimination based on race, color, religion, national origin, sex, sexual orientation, gender identity, age, disability, protected veteran status, genetic information, or any other characteristic protected by law. For our complete EEO/AA and Pay Transparency statement, please visit www.nou-systems.com/workingatnou . U.S. citizenship is required for most positions.