Summary written by USA Jobs 24 from Fidelity Investments' advert and our data on 17,030 current US jobs. How we check every job
At a glance
Fidelity Investments is hiring a Principal AI/ML Engineer in Westlake, TX. It is a full-time role in Data, AI & Analytics, first listed on November 4. The description mentions Machine learning, Apache Spark, Python, Java, Scala and SQL. Fidelity Investments has 99 other openings in the US, 17 of them in Westlake, TX. Across all employers on USA Jobs 24 there are 5 Data & AI openings in Westlake, TX today; the typical one asks for 5 years and advertises about $152,000 a year at the midpoint.
How the pay compares
Fidelity Investments has not published pay for this job, or we could not find it in the advert. Of the 199 data & AI jobs in Texas on USA Jobs 24, 66% show pay, and the typical yearly midpoint among them is $180,000. That gives you a fair starting point when the subject comes up.
Skills in this advert
How often each skill named in this advert appears across the 1,778 data & AI jobs we list today. Python is the most widely requested (46% of jobs), while Scala is the least common (3%). Widely requested skills are what employers expect as a baseline; rarer ones show what is special about this job.
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Before you apply
- Check it is still open. We found this job on Fidelity Investments' Workday site on November 4 and checked it again November 4, 5:17 AM ET. When an employer takes a job down, we remove it at our next daily update.
- Check the location works for you. This role is based in Westlake, TX. If you would need to move, ask whether relocation help is offered.
- Tailor your resume. Use the advert's own words, such as Machine learning, Apache Spark and Python, wherever they are true for you. Our resume guide shows how.
- Apply only through Fidelity Investments' own site. Our Apply button goes straight to Fidelity Investments' Workday page. If anyone contacts you about this job and asks for money, gift cards or bank details, stop and check it with our scam checker. Read how to spot a fake job offer.
About hiring at Fidelity Investments
Fidelity Investments has 100 openings on USA Jobs 24 today across 22 states. Most are in software & IT (29), finance & banking (19) and operations (10). The biggest locations are Boston, MA (22), Westlake, TX (18) and Durham, NC (12). 4% of them are remote, 6% are open to entry-level candidates and 46% show pay. We collect Fidelity Investments' jobs every day straight from its own careers system (Workday), never from job boards or agencies.
The employer's advert
This is Fidelity Investments' own description of the job, copied word for word from its careers site. We have not edited it.
Show the full advert from Fidelity InvestmentsHide the advert792 words
Fidelity will not provide immigration sponsorship for this position.
Job Description:
Position Description:
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.
Primary Responsibilities:
- Builds sophisticated analytics, ML platforms, and software to enable moderl prediction and optimization.
- Develops highly scalable distributed systems and software applications using open-source technologies.
- Extends existing ML platforms and frameworks for scaling model training and deployment.
- Partners closely with business and software engineering teams to drive the adoption and integration of model outputs.
- Implements big data solutions in the data analytics space.
- Plans, creates, and maintains data architectures that are fully align with business requirements.
- Builds data flow channels and processing systems to ETL and integrate data from various sources.
- Confers with systems analysts and software engineers/developers to design systems and obtain information on project limitations and capabilities, performance requirements, and interfaces.
- Develops software system testing and validation procedures, programming, and documentation.
- Advises senior management on technical strategy.
- Mentors junior team members.
- Performs independent and complex technical and functional analysis for multiple projects supporting several divisional initiatives.
- Plans and coordinates complex project schedules and assignments for multiple projects.
- Responsible for meeting project goals on-time and on-budget.
Education and Experience:
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.
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.
Skills and Knowledge:
Candidate must also possess:
- Demonstrated Expertise architecting, designing, and building scalable big data frameworks and analytics platforms, using Apache Spark and Kubernetes; developing and optimizing EMR workloads on EKS to support petabyte-scale datasets; and increasing platform scalability and performance by conducting testing and analysis, using AWS services (including EMR, EKS, Lambda, CloudWatch, and SQS) in a Cloud-native environment.
- Demonstrated Expertise designing, implementing, and maintaining CI/CD pipelines for distributed systems, using Git repositories and AWS CDK; automating deployment workflows and monitoring, using AWS CloudWatch; and performing platform migration from on-premises systems to AWS Cloud infrastructure, ensuring scalability and reliability in a production environment.
- Demonstrated Expertise conducting advanced research in AI and ML, focusing on Reinforcement Learning (RL); developing novel AI algorithms using advanced RL methods -- Monte Carlo Tree Search for decision making in multi-agent systems environment; and implementing and validating RL models in a simulation environment, using Java, Python, and JMonkey Game Engine to improve safety and scalability.
- Demonstrated Expertise designing and developing real-time simulation platforms for testing and validating novel AI algorithms; implementing multi-agent RL models in large-scale simulations using Java-based 3D engines; and running simulation experiments to evaluate model performance and safety metrics, contributing to peer-reviewed publications and advancing multi-agent autonomous systems research.
[Expertise may be gained during doctoral program.]
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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.
Certifications:
Category:
Information TechnologyPlease 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.
USA Jobs 24 copied this listing from Fidelity Investments' official careers site on November 4, 2026 and checked it again November 4, 5:17 AM ET. Fidelity Investments will never ask you to pay to apply or to buy equipment with a check they send you. If anyone does, it is a scam.
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