Principal Data Scientist
$50 - $85/hr
... RAG, Kubernetes, and vector databases. Experience designing production‑grade ML systems with ... LLM (LangChain) in a business Experience working with AWS, RAG, SageMaker, SQL Skills data science ...
$50 - $85/hr
... RAG, Kubernetes, and vector databases. Experience designing production‑grade ML systems with ... LLM (LangChain) in a business Experience working with AWS, RAG, SageMaker, SQL Skills data science ...
$50 - $85/hr
... RAG, Kubernetes, and vector databases. Experience designing production‑grade ML systems with ... LLM (LangChain) in a business Experience working with AWS, RAG, SageMaker, SQL Skills data science ...
Durham, NC · Remote
... AI/ML, NLP, or distributed systems • 5+ years working with Generative AI and LLM-based systems ... just RAG) 2. RLHF and alignment systems 3. Multi-agent AI systems 4. Distributed training and ...
Quick apply
Durham, NC · Remote
... AI/ML, NLP, or distributed systems • 5+ years working with Generative AI and LLM-based systems ... just RAG) 2. RLHF and alignment systems 3. Multi-agent AI systems 4. Distributed training and ...
... RAG) pipelines, Hybrid ML + rules-based systems for structured content • Lead through execution ... LLM-focused Data Scientists and ML Engineers • Drive cross-functional collaboration with Legal ...
... RAG) pipelines, Hybrid ML + rules-based systems for structured content • Lead through execution ... LLM-focused Data Scientists and ML Engineers • Drive cross-functional collaboration with Legal ...
Raleigh, NC · On-site +1
Build and deploy LLM based capabilities including prompt engineering, fine tuning, Retrieval ... RAG), vector indexing, evaluation frameworks, and safety/guardrails, ensuring solutions are secure ...
Raleigh, NC · On-site +1
Build and deploy LLM based capabilities including prompt engineering, fine tuning, Retrieval ... RAG), vector indexing, evaluation frameworks, and safety/guardrails, ensuring solutions are secure ...
Raleigh, NC · On-site +1
Build and deploy LLM based capabilities including prompt engineering, fine tuning, Retrieval ... RAG), vector indexing, evaluation frameworks, and safety/guardrails, ensuring solutions are secure ...
Raleigh, NC · On-site +1
Build and deploy LLM based capabilities including prompt engineering, fine tuning, Retrieval ... RAG), vector indexing, evaluation frameworks, and safety/guardrails, ensuring solutions are secure ...
$85 - $96/hr
... generation (RAG) pipelines Hybrid ML + rules-based systems for structured content Lead through ... Mentor and grow a multidisciplinary team of LLM-focused Data Scientists and ML Engineers. Drive ...
$85 - $96/hr
... generation (RAG) pipelines Hybrid ML + rules-based systems for structured content Lead through ... Mentor and grow a multidisciplinary team of LLM-focused Data Scientists and ML Engineers. Drive ...
... generation (RAG) pipelines Hybrid ML + rules-based systems for structured content Lead through ... Mentor and grow a multidisciplinary team of LLM-focused Data Scientists and ML Engineers. Drive ...
... generation (RAG) pipelines Hybrid ML + rules-based systems for structured content Lead through ... Mentor and grow a multidisciplinary team of LLM-focused Data Scientists and ML Engineers. Drive ...
Raleigh, NC · On-site
$136K - $252K/yr
This role combines deep ML expertise with distributed systems engineering and AI platform ... LLM) infrastructure, retrieval-augmented generation (RAG) pipelines, and autonomous agent ...
Raleigh, NC · On-site
$136K - $252K/yr
This role combines deep ML expertise with distributed systems engineering and AI platform ... LLM) infrastructure, retrieval-augmented generation (RAG) pipelines, and autonomous agent ...
$136K - $252K/yr
This role combines deep ML expertise with distributed systems engineering and AI platform ... LLM) infrastructure, retrieval-augmented generation (RAG) pipelines, and autonomous agent ...
$136K - $252K/yr
This role combines deep ML expertise with distributed systems engineering and AI platform ... LLM) infrastructure, retrieval-augmented generation (RAG) pipelines, and autonomous agent ...
Raleigh, NC · On-site
$136K - $252K/yr
This role combines deep ML expertise with distributed systems engineering and AI platform ... LLM) infrastructure, retrieval-augmented generation (RAG) pipelines, and autonomous agent ...
Raleigh, NC · On-site
$136K - $252K/yr
This role combines deep ML expertise with distributed systems engineering and AI platform ... LLM) infrastructure, retrieval-augmented generation (RAG) pipelines, and autonomous agent ...
$136K - $252K/yr
This role combines deep ML expertise with distributed systems engineering and AI platform ... LLM) infrastructure, retrieval-augmented generation (RAG) pipelines, and autonomous agent ...
$136K - $252K/yr
This role combines deep ML expertise with distributed systems engineering and AI platform ... LLM) infrastructure, retrieval-augmented generation (RAG) pipelines, and autonomous agent ...
Raleigh, NC · On-site
$160K - $240K/yr
Define and own enterprise AI and GenAI reference architectures, including LLM platforms, RAG ... Architect end-to-end MLOps capabilities, including model lifecycle management, CI/CD for ML ...
Raleigh, NC · On-site
$160K - $240K/yr
Define and own enterprise AI and GenAI reference architectures, including LLM platforms, RAG ... Architect end-to-end MLOps capabilities, including model lifecycle management, CI/CD for ML ...
Raleigh, NC · On-site
$160K - $240K/yr
Define and own enterprise AI and GenAI reference architectures, including LLM platforms, RAG ... Architect end-to-end MLOps capabilities, including model lifecycle management, CI/CD for ML ...
Raleigh, NC · On-site
$160K - $240K/yr
Define and own enterprise AI and GenAI reference architectures, including LLM platforms, RAG ... Architect end-to-end MLOps capabilities, including model lifecycle management, CI/CD for ML ...
$160K - $240K/yr
Define and own enterprise AI and GenAI reference architectures, including LLM platforms, RAG ... Architect end-to-end MLOps capabilities, including model lifecycle management, CI/CD for ML ...
$160K - $240K/yr
Define and own enterprise AI and GenAI reference architectures, including LLM platforms, RAG ... Architect end-to-end MLOps capabilities, including model lifecycle management, CI/CD for ML ...
Raleigh, NC · On-site
$160K - $240K/yr
Define and own enterprise AI and GenAI reference architectures, including LLM platforms, RAG ... Architect end-to-end MLOps capabilities, including model lifecycle management, CI/CD for ML ...
Raleigh, NC · On-site
$160K - $240K/yr
Define and own enterprise AI and GenAI reference architectures, including LLM platforms, RAG ... Architect end-to-end MLOps capabilities, including model lifecycle management, CI/CD for ML ...
Raleigh, NC · On-site
... ML, deep learning, or LLM areas. • Support participation in forums and internal knowledge ... Required : • Enterprise GenAI and Agentic AI solutions across RAG, AI agents, conversational AI ...
Raleigh, NC · On-site
... ML, deep learning, or LLM areas. • Support participation in forums and internal knowledge ... Required : • Enterprise GenAI and Agentic AI solutions across RAG, AI agents, conversational AI ...
Retrieval-augmented generation (RAG) pipelines * Hybrid ML + rules-based systems for structured ... Mentor and grow a multidisciplinary team of LLM-focused Data Scientists and ML Engineers. * Drive ...
Retrieval-augmented generation (RAG) pipelines * Hybrid ML + rules-based systems for structured ... Mentor and grow a multidisciplinary team of LLM-focused Data Scientists and ML Engineers. * Drive ...
Retrieval-augmented generation (RAG) pipelines * Hybrid ML + rules-based systems for structured ... Mentor and grow a multidisciplinary team of LLM-focused Data Scientists and ML Engineers. * Drive ...
Retrieval-augmented generation (RAG) pipelines * Hybrid ML + rules-based systems for structured ... Mentor and grow a multidisciplinary team of LLM-focused Data Scientists and ML Engineers. * Drive ...
Retrieval-augmented generation (RAG) pipelines * Hybrid ML + rules-based systems for structured ... Mentor and grow a multidisciplinary team of LLM-focused Data Scientists and ML Engineers. * Drive ...
Retrieval-augmented generation (RAG) pipelines * Hybrid ML + rules-based systems for structured ... Mentor and grow a multidisciplinary team of LLM-focused Data Scientists and ML Engineers. * Drive ...
Implement Retrieval-Augmented Generation (RAG) systems to improve knowledge retrieval from large ... LLM fine-tuning and advanced prompt engineering. * Strong background in Python and modern ML ...
Implement Retrieval-Augmented Generation (RAG) systems to improve knowledge retrieval from large ... LLM fine-tuning and advanced prompt engineering. * Strong background in Python and modern ML ...
$43.7K - $49.5K
13% of jobs
$49.5K - $55.2K
7% of jobs
$57.5K is the 25th percentile. Wages below this are outliers.
$55.2K - $61K
13% of jobs
$61K - $66.7K
8% of jobs
$66.7K - $72.5K
0% of jobs
The median wage is $75.7K / yr.
$72.5K - $78.2K
16% of jobs
$83.4K is the 75th percentile. Wages above this are outliers.
$78.2K - $84K
20% of jobs
$84K - $89.7K
15% of jobs
$89.7K - $95.4K
2% of jobs
$95.4K - $101.2K
3% of jobs
$101.2K - $106.9K
3% of jobs
$43.7K
$73.2K
$106.9K
| Aspect | Llm Ml Rag | Data Scientist |
|---|---|---|
| Required Credentials | Master's or PhD in ML, AI, or related fields; certifications in ML frameworks | Degree in Computer Science, Statistics, or related; certifications in data analysis or ML |
| Work Environment | Research labs, AI development teams, tech companies | Business analytics, research, product development teams |
| Employer & Industry Usage | Tech firms, AI startups, research institutions | Finance, healthcare, tech, consulting firms |
| Common Search & Comparison | Often compared for ML specialization and research focus | Compared for data analysis, modeling, and business insights |
While both roles involve working with machine learning, Llm Ml Rag typically focuses on research and development of large language models, requiring advanced ML expertise. Data Scientists often work on analyzing data, building predictive models, and deriving insights for business decisions. The roles overlap in skills but differ in focus and application areas.
$50 - $85/hr
Contractor
Medical, Dental, Vision, Life, Retirement, PTO
Posted 12 days ago
- Education: Master's or PhD Preferred
- 6–12+ years in Data Science / ML Engineering, with deep experience in LLM‑based systems.
Proven experience building multi-agent architectures (planner‑executor, tool‑use agents, ReAct‑style reasoning).
Strong background in RAG, embeddings, retrieval optimization, and evaluation.
Expertise in NLP, transformers, deep learning, and model fine‑tuning.
Proficiency with PyTorch, HuggingFace, LangChain/LlamaIndex, RAG, Kubernetes, and vector databases.
Experience designing production‑grade ML systems with monitoring, evaluation, and observability.
Description
This role leads the design and development of an advanced multi‑agent AI platform that powers intelligent research, drafting, and reasoning capabilities for large‑scale enterprise knowledge environments. You will architect agent frameworks, optimize retrieval‑augmented generation pipelines, fine‑tune language models, and build the infrastructure that enables AI systems to collaborate, plan, and execute complex tasks reliably. The work directly shapes the next generation of AI‑driven professional tools used by experts in high‑stakes domains.
Core Responsibilities
Architect and implement multi‑agent systems capable of planning, tool use, and coordinated task execution.
Design and optimize RAG pipelines including embeddings, hybrid retrieval, reranking, and context‑window strategies.
Fine‑tune and evaluate small, medium, and large language models for domain‑specific reasoning and summarization.
Develop prompt engineering frameworks, guardrails, and automated evaluation suites for agent reliability.
Build scalable ML services and APIs for production deployment in distributed environments.
Collaborate with product, engineering, and domain experts to translate complex workflows into agentic AI solutions.
Establish best practices for model evaluation, observability, safety, and compliance.
Mentor DS/ML engineers and contribute to long‑term AI strategy and architecture.
Required Expertise
6–12+ years in Data Science / ML Engineering, with deep experience in LLM‑based systems.
Proven experience building agentic architectures (planner‑executor, tool‑use agents, ReAct‑style reasoning).
Strong background in RAG, embeddings, retrieval optimization, and evaluation.
Expertise in NLP, transformers, deep learning, and model fine‑tuning.
Proficiency with PyTorch, HuggingFace, LangChain/LlamaIndex, Ray, Kubernetes, and vector databases.
Experience designing production‑grade ML systems with monitoring, evaluation, and observability.
Strong communication skills and ability to lead technical direction.
Preferred Qualifications
Experience in enterprise search, knowledge management, or high‑compliance domains.
Experience with model distillation, LoRA/QLoRA, PEFT, and model compression.
Experience building evaluation frameworks for hallucination, grounding, and agent reliability.
Familiarity with knowledge graphs, symbolic reasoning, or hybrid neuro‑symbolic systems.
Publications, patents, or open‑source contributions in LLMs or agent systems.
Strong coding skills in Python 7+ years
Be a natural problem solver, able to take a lead in collaborating to resolve issues
Proficiency in IDE debugging : VSCODE and PYCHARM
Have communication skills
5+ years of experience in AI and machine learning
Deep understanding of machine learning algorithms, classification models, diagnostic testing of models
Experience working directly and Transformer based architectures including BERT, RoBERTa, T5 etc. Nd familiarity with large language models and fine tuning
Experience with conversational search / semantic search, reinforcement learning, prompt engineering, hallucination mitigation
Working understanding of the business risks associated with applying LLM (LangChain) in a business
Experience working with AWS, RAG, SageMaker, SQL
Skills
data science, nlp, indexing, semantic search, conversational search, langchain, Generative AI, Large language model, Sql, aws, algorithm, artificial intelligence, Retrieval augmented generation, fine-tuning, Python, Machine learning, cloud computing
Top Skills Details
data science,nlp,indexing,semantic search,conversational search,langchain,Generative AI,Large language model,Sql,aws,algorithm,artificial intelligence,Retrieval augmented generation,fine-tuning
Additional Skills & Qualifications
N/A
Experience Level
Expert Level
Job Type & LocationThis is a Contract to Hire position based out of Cary, NC.
Pay and BenefitsThe pay range for this position is $50.00 - $85.00/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)
This is a fully remote position.
Application DeadlineThis position is anticipated to close on Jun 29, 2026.
About TEKsystemsWe're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.
The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
About TEKsystems and TEKsystems Global ServicesWe’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.
The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.
Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.