Principal AI/ML Engineer

Overview

Hybrid
Depends on Experience
Accepts corp to corp applications
Contract - Independent
Contract - W2
Contract - 18 Month(s)

Skills

Machine Learning
LLMs
Ray
Spark
AWS
Azure
S3
EMR
Lambda
Kubernetes
Terraform
CI/CD
automation
SageMaker
ayment or financial organizations

Job Details

Role: Principal AI/ML Engineer
Locations: Portland, ME | Boston, MA | Chicago, IL | San Francisco, CA
Schedule: Hybrid (1 3 days onsite per week)
Duration: 12 18+ months

Position Summary

Client is seeking a Principal AI/ML Engineer with 15 20 years of large-scale software engineering experience and deep expertise in AI/ML infrastructure, architecture, and platforms. This is a senior technical leadership role responsible for driving their AI/ML engineering strategy, platform development, and next-generation ML capabilities.

Must Have

  • 15 20 years of enterprise-scale software design & development
  • Strong hands-on skills in Java and Python
  • Experience building supervised & unsupervised ML models
  • Experience working with LLMs
  • Ability to design & implement end-to-end AI/ML infrastructure & platforms
  • Strong leadership, communication skills, and an active LinkedIn profile

Key Responsibilities

  • Lead architecture & development of clients AI/ML technology platform
  • Implement AI/ML services, infrastructure, and data pipelines
  • Drive technical strategy, innovations, and platform reliability
  • Guide teams on AI/ML best practices, design patterns, and scalable model development
  • Partner with data science, security, SRE, product, and engineering teams
  • Establish roadmaps, OKRs, project plans, and long-term strategy
  • Evaluate external vendors and tools supporting AI/ML initiatives
  • Provide mentorship, technical leadership, and maintain high engineering standards
  • Ensure system security, compliance, performance, and operational excellence

Required Skills

  • Deep experience with:
    • Machine Learning, LLMs
    • Distributed computing: Ray, Spark
    • Cloud architecture: AWS / Azure, S3, EMR, Lambda
    • Kubernetes, Terraform, CI/CD, automation
    • Big Data, large-scale AI/ML platforms
  • Strong background in large-scale software engineering, SDLC, production monitoring
  • Experience with SageMaker (plus)
  • Experience in payment or financial organizations (plus)
  • Bachelor s in CS or related field (Master's preferred)
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About Black Rock Group