[Remote] Architect / Principal, AI ML Engineer

Note: The job is a remote job and is open to candidates in USA. 3Pillar is a global technology company focused on delivering innovative solutions. They are seeking an Architect / Principal, AI ML Engineer to define AI/ML architecture, serve as a strategic advisor to clients, and lead the integration of Generative AI into enterprise applications.ResponsibilitiesDefine end-to-end architecture for AI/ML and Gen AI, Agentic AI, MCP systems including data pipelines, model training/inference, and MLOpsServe as a strategic advisor / consultant to clients, leading solution design discussions, presenting AI/ML architectures, and representing 3Pillar in client-facing interactions to drive innovation and business valueArchitect scalable solutions using cloud-native AI tools (Azure ML, AWS SageMaker, or GCP Vertex AI)Lead the integration of Generative AI into components / features leveraging LLMs into enterprise applications using APIs (OpenAI, Gemini and others) or open source models like LLamaDesign retrieval-augmented generation (RAG) systems with vector databases (Pinecone, Weaviate, FAISS and similar)Guide teams on MLOps frameworks for CI/CD, model versioning, monitoring, and automated retrainingEvaluate build-vs-buy decisions and benchmark AI tools/platformsEvaluate emerging technologies and trends in AI, ML, Gen AI, Agentic AI space and recommend adoption strategiesMentor technical teams and guide solution architects, AI/ML engineersEnsure ethical and responsible AI practices including bias detection, interpretability, and governanceAct as a subject matter expert, providing guidance and mentorship to junior colleagues and strengthen the expertise in the organizationCollaborate with leadership to align machine learning strategies with overall business objectivesRepresent the organization at industry conferences, workshops, and eventsDrive cross-functional collaboration to identify opportunities for applying machine learning to business challengesSkillsMaster's degree in Computer Science, Engineering, Mathematics, or a related field with 15+ years of industry experience with strong IT services background in machine learning, data science, AI, with a track record of delivering impactful projects; a Ph.D. is highly desirableStrong grasp of AI architecture patterns (RAG, Agent AI, MCP based systems, prompt orchestration)Deep experience with Python, ML libraries (scikit-learn, XGBoost, PyTorch, TensorFlow)Hands-on with Gen AI APIs (OpenAI, Claude, Gemini), prompt engineering, embeddings, and fine-tuningExperience designing enterprise AI systems with MLOps (MLflow, Kubeflow, SageMaker Pipelines)Familiarity with APIs, microservices, and containerization (Docker, Kubernetes)Experience in Data Governance, Model Risk Management, and complianceExtensive knowledge of machine learning theory, algorithms, and methodologiesStrong leadership and communication skills, with the ability to influence stakeholders at all levels of the organizationDemonstrated ability to think strategically and drive innovationGood undertaking of Software Product Development and how to integrate AI ML components into a software productExperience in working with huge datasets in a production environmentPublished research in top-tier conferences or journals is a plusBenefitsFlexible work environment – whether it's the office, your home, or a blend of bothRemote-first approachPart of a global team, learning from top talent around the world and across culturesBig on your well-being – as a company, we spend a whole trimester in our annual cycle focused on wellbeingFitness offeringsMental health plans (country-dependent)Generous time offProfessional services model enables us to accelerate career growth and development opportunities - across projects, offerings, and industriesEqual opportunity employerValues like Intrinsic Dignity and Open Collaboration to create cutting-edge technology AND reinforce our commitment to diversity - globally and locallyCompany OverviewAt 3Pillar, we believe something truly incredible happens at the intersection of product engineering and cognitive computing. It was founded in 2006, and is headquartered in Fairfax, Virginia, USA, with a workforce of 1001-5000 employees. Its website is https://www.3pillar.ai.Company H1B Sponsorship3Pillar has a track record of offering H1B sponsorships, with 2 in 2024, 1 in 2021. Please note that this does not guarantee sponsorship for this specific role.