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Scientist Llm Jobs in Reston, VA (NOW HIRING)

At Cynnovative, we leverage machine learning, computer science, and software engineering to address ... Job Overview As a Senior ML Engineer (LLM Systems) at Cynnovative, you will be responsible for ...

Experience with LoRA, LangChain, RAG, LLM Fine Tuning and PEFT, Knowledge Graphs. * Strong skills ... MS in Computer Science, Statistics, Math, Engineering, or related field, PhD required. * 3+ years ...

The Data Scientist II leverages machine learning and Generative AI (LLMs) to deliver scalable, data ... This role builds and deploys predictive and LLM-based models using modern tools (CI/CD, Airflow ...

Experience with NLP, LLM, or GenAI tools (e.g. LoRA, LangChain, RAG, LLM Fine Tuning). * Hands-on ... Bachelor's degree in computer science, engineering, mathematics, or related field. * 3+ years ...

AI Evaluation Scientist

Mclean, VA · On-site

$105 - $145/hr

Stay current with emerging evaluation tools, frameworks, metrics, and research related to LLM ... Bachelor's or Master's degree in Computer Science, Statistics, Machine Learning, Cognitive Science ...

Senior Data Scientist

Rockville, MD · On-site

$150 - $190/hr

Work with diverse data types and leverage modern tools such as Python, PyTorch, Scikit-learn, LLM ... Science, Mathematics, Statistics, Engineering, Physics, Computational Social Science, etc.) * 12 ...

Stay current with emerging evaluation tools, frameworks, metrics, and research related to LLM ... Bachelor's degree in Computer Science, Statistics, Machine Learning, Cognitive Science, Human ...

Senior Data Scientist

Alexandria, VA · On-site

$180 - $260/hr

Leverage modern tools such as Python, PyTorch, Scikit‑learn, LLM frameworks, and geospatial ... Data Science * Predictive Analytics * Entity Resolution * Graph Analytics * Explainable AI

AI Evaluation Scientist

Mclean, VA · On-site

$105K - $145K/yr

Understanding of LLM behavior, prompt evaluation, retrieval pipelines, or RAG architectures. * Exposure to responsible AI concepts and governance-aligned evaluation criteria (e.g., fairness ...

Understanding of LLM behavior, prompt evaluation, retrieval pipelines, or RAG architectures. * Exposure to responsible AI concepts and governance-aligned evaluation criteria (e.g., fairness ...

AI Evaluation Scientist

Mclean, VA · On-site

$105K - $145K/yr

The AI Evaluation Scientist will work closely with engineers, data scientists, governance analysts ... Understanding of LLM behavior, prompt evaluation, retrieval pipelines, or RAG architectures.

Understanding of LLM behavior, prompt evaluation, retrieval pipelines, or RAG architectures. * Exposure to responsible AI concepts and governance-aligned evaluation criteria (e.g., fairness ...

Data Scientist

Fort Belvoir, VA · On-site

$140K - $188K/yr

Experience with LLM vectorization, customization, and advanced analytics techniques ... Certifications in data science, cloud computing, or related technical fields * Familiarity with ...

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Scientist Llm information

What is a Scientist LLM?

A Scientist LLM is a professional who specializes in applying large language models (LLMs) to scientific research and problem-solving. They combine expertise in machine learning, natural language processing, and a specific scientific domain to develop, fine-tune, and evaluate LLMs for tasks such as literature analysis, hypothesis generation, and data interpretation. Scientist LLMs often work in multidisciplinary teams to advance scientific discovery using state-of-the-art AI technologies.

How does a Scientist LLM typically collaborate with engineering and product teams?

Scientists focusing on large language models often work closely with engineering teams to translate research breakthroughs into scalable, production-ready systems. They regularly participate in cross-functional meetings to align model development with product requirements and user needs. This collaboration ensures that scientific advancements are effectively integrated into real-world applications, and scientists frequently provide technical guidance on model deployment, optimization, and evaluation. These interactions foster a dynamic environment where ideas are rapidly prototyped and iterated upon, contributing directly to impactful product features.

What are the key skills and qualifications needed to thrive as a Scientist LLM, and why are they important?

To thrive as a Scientist LLM (Large Language Model Scientist), you need a strong background in machine learning, natural language processing, and advanced programming skills, typically supported by a relevant PhD or master’s degree. Familiarity with tools like Python, TensorFlow, PyTorch, and experience working with large-scale data sets and cloud computing platforms is essential. Strong problem-solving abilities, collaboration, and clear communication are valuable soft skills for innovating and sharing complex ideas. These competencies ensure the effective development, deployment, and advancement of large language models in real-world applications.

What is the difference between Scientist Llm vs Data Scientist?

AspectScientist LlmData Scientist
Required CredentialsAdvanced degree in law, AI, or related fields; knowledge of legal and AI principlesDegree in computer science, statistics, or related fields; strong programming skills
Work EnvironmentResearch labs, AI companies, legal tech firmsTech companies, finance, healthcare, consulting
Industry UsageLegal AI applications, compliance, legal researchData analysis, predictive modeling, business insights

Scientist Llm professionals focus on applying AI within legal contexts, requiring legal and AI expertise, while Data Scientists analyze data across various industries, emphasizing statistical and programming skills. Both roles involve research and technical work but serve different industry needs.

What are popular job titles related to Scientist Llm jobs in Reston, VA?

For Scientist Llm jobs in Reston, VA, the most frequently searched job titles are:

What job categories do people searching Scientist Llm jobs in Reston, VA look for?

The top searched job categories for Scientist Llm jobs in Reston, VA are:

Infographic showing various Scientist Llm job openings in Reston, VA as of August 2026, with employment types broken down into 1% Internship, 1% As Needed, 82% Full Time, 13% Part Time, and 3% Contract. Highlights an 82% Physical, 4% Hybrid, and 14% Remote job distribution.

Principal Associate, Data Scientist - LLM Customization Team

Mclean, VA • On-site


Capital One
Funds, Trusts and Financial Programs • 10K+ employees

7.8

Company rating: 7.8 out of 10

Based on 148 frontline employees who took The Breakroom Quiz

88th of 172 rated banks

Good employer

Recommended by students

Paid breaks


$59K - $60K/yr

Full-time

Re-posted 4 days ago


Job description

Principal Associate, Data Scientist - LLM Customization Team

At Capital One, we think big and do big things. We are not just a nationally recognized credit card issuer, a top 10 bank by deposit, but a high-tech company with products that reach tens of millions of consumers and have been recognized by numerous prestigious awards for their customer-friendliness. Capital One was the first major bank to move to cloud computing and to publish APIs for the Open Banking future. AI is transforming every industry. At Capital One, you will help shape how it transforms financial services.

Team Description

AI Foundations LLM Customization team is at the center of bringing our vision for LLMs and GenAI at Capital One to life. Our work touches every aspect of the research life cycle, from research to building production systems. We work with product, technology and business leaders to apply the state of the art in AI to our business. You will be the driving force to experiment, innovate and create next generation experiences powered by the latest emerging generative AI technologies.

In this role, you will:

  • Partner with a cross-functional team of data scientists, applied researchers, software engineers, machine learning engineers and product managers to deliver AI powered products that change how customers interact with their money.

  • Leverage a broad stack of technologies - Pytorch, Hugging Face, AWS Ultraclusters, LangChain, VectorDBs, and more - to reveal the insights hidden within huge volumes of numeric and textual data.

  • Be the expert in Natural Language Processing (NLP) to harness the power of Large Language Models (LLMs), adapt and finetune them for business specific applications and features.

  • Build NLP models through all phases of development, from design through training, evaluation, and validation; partnering with engineering teams to operationalize them in scalable and resilient production systems.

  • Flex your interpersonal skills to translate the complexity of your work into tangible business goals.

The Ideal Candidate is:

  • Innovative. You continually research and evaluate emerging technologies. You stay current on published state-of-the-art methods, technologies, and applications and seek out opportunities to apply them.

  • Creative. You thrive on bringing definition to big, undefined problems. You love asking questions and pushing hard to find answers. You're not afraid to share a new idea.

  • Technical. You're comfortable with advanced ML and DL technologies including language models and are passionate about developing further. You have hands-on experience working with LLMs and solutions using open-source tools and cloud computing platforms.

  • Influential. You are passionate about AI/ML and can bring along a cross functional team in breakthrough innovations. You communicate clearly and effectively to share your findings with non-technical audiences.

  • You are experienced in training language models or large computer vision models as well as have expertise in one or more key subdomains such as: training optimization, self-supervised learning, explainability, RLHF.

  • You have an engineering mindset as shown by a track record of delivering models at scale both in training data and inference volumes. You have experience in delivering libraries, platforms, or solution level code to existing products.


Basic Qualifications:
Currently has, or is in the process of obtaining one of the following with an expectation that the required degree will be obtained on or before the scheduled start date:

  • A Bachelor's Degree in a quantitative field (Statistics, Economics, Operations Research, Analytics, Mathematics, Computer Science, or a related quantitative field) plus 5 years of experience performing data analytics

  • A Master's Degree in a quantitative field (Statistics, Economics, Operations Research, Analytics, Mathematics, Computer Science, or a related quantitative field) or an MBA with a quantitative concentration plus 3 years of experience performing data analytics

  • A PhD in a quantitative field (Statistics, Economics, Operations Research, Analytics, Mathematics, Computer Science, or a related quantitative field)


Preferred Qualifications:

  • Master's Degree in "STEM" field (Science, Technology, Engineering, or Mathematics) plus 3 years of experience in data analytics, or PhD in "STEM" field (Science, Technology, Engineering, or Mathematics)

  • At least 1 year of experience working with AWS

  • At least 3 years' experience in Python, Scala, or R

  • At least 3 years' experience with machine learning

  • Experience with Large Language Models (LLM), Finetuning, and Deep Learning

Capital One will consider sponsoring a new qualified applicant for employment authorization for this position.

The minimum and maximum full-time annual salaries for this role are listed below, by location. Please note that this salary information is solely for candidates hired to perform work within one of these locations, and refers to the amount Capital One is willing to pay at the time of this posting. Salaries for part-time roles will be prorated based upon the agreed upon number of hours to be regularly worked.

McLean, VA: $161,800 - $184,600 for Princ Associate, Data Science


New York, NY: $176,500 - $201,400 for Princ Associate, Data Science










Candidates hired to work in other locations will be subject to the pay range associated with that location, and the actual annualized salary amount offered to any candidate at the time of hire will be reflected solely in the candidate's offer letter.

This role is also eligible to earn performance based incentive compensation, which may include cash bonus(es) and/or long term incentives (LTI). Incentives could be discretionary or non discretionary depending on the plan.

Capital One offers a comprehensive, competitive, and inclusive set of health, financial and other benefits that support your total well-being. Learn more at theCapital One Careers website. Eligibility varies based on full or part-time status, exempt or non-exempt status, and management level.

This role is expected to accept applications for a minimum of 5 business days.No agencies please. Capital One is an equal opportunity employer (EOE, including disability/vet) committed to non-discrimination in compliance with applicable federal, state, and local laws. Capital One promotes a drug-free workplace. Capital One will consider for employment qualified applicants with a criminal history in a manner consistent with the requirements of applicable laws regarding criminal background inquiries, including, to the extent applicable, Article 23-A of the New York Correction Law; San Francisco, California Police Code Article 49, Sections 4901-4920; New York City's Fair Chance Act; Philadelphia's Fair Criminal Records Screening Act; and other applicable federal, state, and local laws and regulations regarding criminal background inquiries.

If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation, please contact Capital One Recruiting at 1-800-304-9102 or via email at RecruitingAccommodation@capitalone.com. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations.

For technical support or questions about Capital One's recruiting process, please send an email to Careers@capitalone.com

Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site.

Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC).



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