Fidelity Investments
Westlake, TX, United States of America
ML Engineering
Posted 1 hour ago
Verified open on Nov 4, 2026 · posted today
Fidelity will not provide immigration sponsorship for this position.
Position Description:Â
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Builds and maintains large scale Machine Learning (ML) infrastructure, ML, data, and application pipelines, and evaluates ML models, using Apache Spark and distributed data processing frameworks. Establishes Python ML ecosystem using Object Oriented Programming (Java, Scala, and Python), SQL, and Unix scripting. Leverages data movement technologies (Extract, Transform, Load (ETL)/ Extract, Load, Transform (ELT)), messaging and streaming technologies (AWS SQS, Kinesis, and Kafka), relational and NoSQL databases (DynamoDB, EKS, and Graph databases), and Application Programming Interface (API) and in-memory technologies. Develops highly scalable distributed systems using Open-source technologies and Continuous Integration/Continuous Delivery (CI/CD) tools. Uses business knowledge to translate the vision for divisional initiatives into business solutions by developing complex ML infrastructure and conducting studies of alternatives. Analyzes and recommends changes in project development policies, procedures, standards, and strategies to development experts and management. Â
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Primary Responsibilities:Â
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Education and Experience:Â
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Bachelor’s degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and five (5) years of experience as a Principal AI/ML Engineer (or closely related occupation) executing cloud computing functions for distributed systems, including architecting CI/CD pipelines, building large scale data processing and analytics platforms, and developing advanced monitoring and observability systems in AWS.Â
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Or, alternatively, Master’s degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and three (3) years of experience as a Principal AI/ML Engineer (or closely related occupation) executing cloud computing functions for distributed systems, including architecting CI/CD pipelines, building large scale data processing and analytics platforms, and developing advanced monitoring and observability systems in AWS.Â
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Skills and Knowledge:Â
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Candidate must also possess:Â
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[Expertise may be gained during doctoral program.]Â
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Fidelity’s Onsite Working Model
Fidelity is transitioning to a full-time onsite working model through a phased rollout across regions and roles. Currently, some roles and locations require 100% onsite presence, while others require less. Onsite expectations are likely to evolve as the rollout continues. This transition does not apply to fully remote roles.
Please be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.
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This role is classified as ML Engineering.
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$200k - $281k is the middle 50% of disclosed salaries, measured from 245 live ML Engineering postings on this board. Roughly two thirds of postings disclose nothing, so this describes the ones that do, not the whole market.
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