Cambridge Mobile Telematics
Principal Machine Learning Engineer
Cambridge, MA · Principal
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DOL prevailing wage, 2026-27 wage year · Software Developers (15-1252) · Boston-Cambridge-Newton, MA-NH. Wage level is derived by USCIS from the offered wage, occupation and worksite; the occupation shown is inferred from the job title.
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About the role
- You will turn advanced models for sequential and multi-modal data into reliable products that power risk assessment, engagement, and event detection.
- CMT is looking for a Principal Machine Learning Engineer I to help us change the world.
Responsibilities
- Move fast, own outcomes, do work that matters
- CMT enables partners to measure risk, detect crashes, provide life-saving assistance, and streamline claims.
Requirements
- Master's degree or equivalent years of experience and/or certification in Data Science, Computer Science, Electrical Engineering, Physics, or Mathematics
- 7+ years of professional experience in AI/ML
- Must have at least two years of AWS experience and demonstrated knowledge of common AWS services such as EC2, S3, Lambda, Athena, Redshift, etc
- Must have at least 2 years of professional experience with computer languages such as Python, C++, Scala, etc
- Strong knowledge of SQL concepts, ability to comprehend and write complex SQL statements
- Hands-on experience with time-series or multi-modal architectures for sensor fusion and behavioral modeling
- 3+ years of hands-on experience developing and deploying deep learning models with a strong portfolio in generative AI for sequential or spatio-temporal data
- Strong software engineering skills in Python
- Excellent problem solving, communication, and cross-functional collaboration
- Nice to Haves:
- Ph.D. in a relevant field.
- Background in self-supervised learning on real-world sensor data and physics-informed modeling
- Experience building large-scale data processing and orchestration: Spark or Beam, Airflow, Kafka or Pub/Sub, Docker, and Kubernetes on AWS, GCP, or Azure
- Publications in strong AI or ML venues
Skills
- CMT has helped protect over 65 million drivers and prevent over 126,000 crashes worldwide.
- The problems are hard.
- The impact is real.
Compensation
- Unlimited PTO, flexible scheduling, competitive salary, annual performance bonus, RSUs, and full benefits including medical, dental, vision, and 401k match
- The base salary range for this position is: $198,300 to $247,900. This range is specifically for Cambridge, MA
- To date, CMT's technology has helped prevent over 126,000 crashes worldwide.
- Base Salary Range
- The base salary range for this position is: $198,300 to $247,900.
Benefits
- Fair and competitive salary based on skills and experience, and annual performance bonus
- Equity may be awarded in the form of Restricted Stock Units (RSUs)
- Medical, Dental, Vision and Life Insurance, matching 401k, short-term & long-term disability and parental leave
- Unlimited Paid Time Off including vacation, sick days & public holidays
- Flexible scheduling and work from home policy depending on role and responsibilities
Company info
- We are an equal-opportunity employer committed to creating a workplace and culture where everyone feels valued, respected, and empowered to bring their unique talents and perspectives.
- Be part of the team inventing the future of mobility and road safety
Equal opportunity
- Commitment to Diversity and Inclusion:
This listing is sourced directly from Cambridge Mobile Telematics's careers page and normalized into a canonical job model.