Senior AI Engineer - LLMs, Fine-Tuning & RL
Capital One National Association
Capital One is seeking an AI Engineer 5 to join the Intelligent Foundations and Experiences team in McLean, VA. The role focuses on AI foundations, LLM customization, fine-tuning, and reinforcement learning, including modeling, governance, and multi-model orchestration. You will mentor senior engineers and collaborate across product, research, and engineering to deliver scalable AI systems, optimize performance, and manage cost. #J-18808-Ljbffr Capital One National Association
- ...Rohirrim, we're building the AI that powers how the... ...self-driven Agentic AI Engineer to join our core engineering... ...integrate appropriate LLMs (commercial and open-... ...frontier model providers and tuning prompts for structured... .... Experience with fine-tuning or instruction-tuning...SeniorWork at office3 days per week
- ...and citizen services. We’re a nonprofit engineering, applied research, and advanced technology... ....Department Summary:MITRE’s Multi-INT AI Engineering Department effectively combines... ...and work experience.Hands-on experience fine-tuning, deploying, and evaluating large...SeniorWork experience placementInternshipLocal areaRemote work
$110.7k - $372.9k
Position Summary Senior Agentic AI Engineer — Healthcare AI Three hundred fifty million Americans rely on a healthcare system whose decision... ...— through evaluation-driven feedback and, where it helps, fine-tuned or reasoning-optimized models. • Translate ambiguous, high...SeniorLocal areaVisa sponsorship$122k - $240.5k
Position Summary Join our AI & Engineering team in transforming technology platforms, driving... ...with LLM prompt engineering, fine-tuning, and RAG (Retrieval Augmented Generation... ...development From entry-level employees to senior leaders, we believe there’s always room...SeniorLocal areaVisa sponsorship- ...Senior AI Engineer Washington D.C. / New York About The Role We are seeking a highly motivated... ...in GenAI/Large Language Models (LLMs) to advance our use of structured and unstructured... ...'s expert on GenAI/LLMs, adapting and fine-tuning models and ensuring explainability and...SeniorFlexible hours
$55.2k - $126k
...AI and ML Engineer The Opportunity: As a programmer, you know that machine learning (ML... ...team, you'll build agentic systems, fine tune models, build RL environments, and make AI a reality... ...Have: Experience working with LLMs, generative AI systems, or agentic frameworks...Full timeContract workPart timeWork at officeLocal areaRemote work- ...management consulting firm is seeking a Senior AI Software Engineer to join its expanding Artificial... ...system behavior, conduct deep performance tuning, and implement industry-standard... ...building generative AI software, integrating LLMs, configuring complex tool/function...SeniorFull time
$71.5k - $190k
...AI Engineering And Delivery Lead Systems Planning and Analysis, Inc. (SPA) delivers high-... ...models (e.g., SLMs such as Phi, frontier LLMs, embedding and multimodal models).... ...NIST AI 600-1) Experience with model fine-tuning, distillation, or quantization for deploying...SeniorContract workWork at officeLocal areaRemote work$150k
...scrolling down now. Our AI, cloud, cyber, and modernization... ...need for a highly skilled Senior Google AI Engineer. We are growing our... ...private service access, CMEK, fine-grained IAM, artifact signing... ...Practical experience with LLMs/GenAI (e.g., Gemini), vector...SeniorTemporary workImmediate startWorldwide$191k - $253k
...Senior AI Infrastructure Engineer Anduril Industries is a defense technology company with a mission... ...complex AI models (including LLMs, computer vision, and RL agents) across cloud environments... ...automated profiling, and hyperparameter tuning. Implement and scale robust...Senior$50 per hour
...OverviewThe Rotary Mission Systems (RMS) AI Hub team, within Lockheed Martin's... ...driven solution architectures.Build, fine-tune, and integrate LLMs and complementary AI models into new... ...Description For A/AI Machine Learning Engineering SeniorResponsible for developing,...SeniorFull timeTemporary workWork experience placementCasual workFlexible hours$106.9k - $176.5k
...Technology Consulting - AI & Data - GenAI Developer - Senior ConsultantFrom strategy to... ...models, working with AI/ML engineers, developing web... ..., Anthropic, open-source LLMs) into web-based productsExperience... ...applications (APIs or fine-tuned models)Experience deploying...SeniorFor contractorsSummer holidayWork at officeLocal areaFlexible hours- ...Senior AI/ML Engineer Location: Herndon, VA (Hybrid Work) Preferred: US Citizenship Node.Digital is an innovative... ...with generative AI models and frameworks (LLMs, RAG architectures, prompt engineering, model fine-tuning) Hands-on exp with OCR, ICR and OMR...SeniorRemote work
- TIAG is now hiring a full-stack Senior AI/ML Software Engineer to join our team in support of an exciting Department of War... ...: Demonstrated experience consuming, fine-tuning, or orchestrating Large Language Models (LLMs) within enterprise applications.AWS Bedrock (...SeniorFor contractorsFor subcontractorLocal areaImmediate start
- ...line needs and what is delivered. Our AI-native platform, Air Enterprise Readiness... ...We are seeking an experienced Senior AI Engineer to join our Agentic AI team as we scale... ...distributed agent execution. Experience with fine-tuning, post-training, reinforcement learning,...SeniorFull timeWork at officeRemote work
- ...thrive. The Risk Tech engineering organization is committed... .... We are seeking a Senior Software Engineer to contribute... ...pain points with AI automation solutions Deliver... ...using multimodal LLMs, RAG pipelines, agentic... ...evals,agent tracing tools, fine-tuning LLMs, optimizing RAG...SeniorHourly payWork experience placement
$150k - $190k
...Science, Data Science, Engineering, Mathematics, or a related... ...degree or PhD in AI/ML, Data Science, Computer... ...Practical experience with LLMs and generative AI,... ...service access, CMEK, fine-grained IAM, artifact signing... ...: We are hiring a Senior Google AI Engineer to...SeniorFull time$150k - $220k
...seeking a highly skilled Senior Software Eng ineer, AI to design, build, and deploy... ...This role blends software engineering excellence with applied... ...~ Experience integrating LLMs with external tools, APIs,... ...prompt engineering, model fine-tuning, or RLHF-style evaluation...SeniorFull timeFlexible hours$146k - $234k
...Senior AI Platform Engineer Job Locations US-OK-Tinker Air Force Base | US-AL-Montgomery... ...configure, and operate large language models (LLMs), and integrate approved frontier AI... ...of inference and performance tuning Hands-on experience deploying and administering...SeniorContract workRemote workFlexible hoursShift work$128.4k - $192.5k
...Infrastructure - Technology Consulting - AI & Data - AI Automation Engineer - Senior ConsultantFrom strategy to execution... ...and failure handling.· Select and tune models, embedding strategies,... ...models (openAI, Anthropic, open-source LLMs) into web-based products· Experience...SeniorFor contractorsSummer holidayWork at officeLocal areaImmediate startFlexible hours- ...Model Optimization & Deployment Engineer, you will focus on bringing... ...and deploying complex models (LLMs, VLMs, or FMs) for power- and... ...frameworks, and parameter-efficient fine-tuning (LoRA, QLoRA). Architect... ...maximize memory bandwidth on AI accelerators. Write production...SeniorTemporary workRelocation package
$112.8k - $257k
Agentic AI EngineerThe Opportunity:AI is moving fast and the most... ...operations. As an Agentic AI Engineer, you'll be at the front edge... ...accuracy and context retention.Fine-tune Small Language Models (SLMs) for... ...fine-tuning LLMs or SLMsKnowledge of modern software...Full timeContract workPart timeWork at officeLocal areaRemote work$112.8k - $257k
...Agentic AI Engineer The Opportunity: AI is moving fast and the most consequential work is... ...reasoning accuracy and context retention. Fine-tune Small Language Models (SLMs) for... ...LLM providers ~ Experience fine-tuning LLMs or SLMs ~ Knowledge of modern software...Full timeContract workPart timeWork at officeLocal areaRemote work$113.4k - $223.2k
Senior AI/ML Engineer (Full Stack) — Emerging Technologies Practice Position Description CGI... ...TensorFlow, PyTorch; model training, tuning, serving, and monitoring. o Generative AI: hands on with LLMs; prompt engineering; fine tuning; RAG patterns; vector...SeniorWork at officeLocal area- ...AI Engineer Location: McLean, VA Job Type: Full-Time Experience: 5+ Years Job Summary... ...experience with Python, Machine Learning, LLMs, RAG, AI/ML frameworks, cloud platforms,... ...prompt engineering, model evaluation, fine-tuning, and inference optimization techniques....Full time
- ...AI Engineer Description: • Build and enhance machine learning models through all phases... ...A.I. framework and Large Language Models (LLMs). • Experience and/or willing to research, develop, implement, and fine-tuning LLMs in terms of specific domains knowledge...
$140.25k - $189.75k
...Job Family: Data Science and Data Engineering Job Qualifications: Skills: Large Language Model (LLM) Fine-Tuning, Large Language Models (LLMs), Machine Learning Algorithms, Machine... ...Description: GDIT is growing our AI Center of Excellence, and we are seeking...Full timeTemporary workPart timeImmediate startRemote workWork from homeWorldwideFlexible hours$150k - $275k
...accomplishing hard things, together.Lead AI Security Engineer (Agentic SOC)Location: McLean/Tysons,... ..., and addressing the OWASP Top 10 for LLMs .REQUIRED QUALIFICATIONS4+ years of... ...using Kubernetes/EKS/AKS)Understanding of fine-tuning methodologies (LoRA, QLoRA) for...Work experience placementLocal areaFlexible hours- ...Job Title : Senior AI Engineer - Subject Matter Expert III Location: Tysons Corner, VA (Remote) Employment Type: Full-Time Job Summary... ...Support model evaluation, monitoring, and performance tuning Provide technical leadership and guidance on AI best practices...SeniorFull timeRemote work
- ...partner closely with product and engineering to translate real operational needs into high-performing AI features, operating across... ...specialized AI use cases. Fine-tune language models (small specialized... ...and testing procedures for LLMs and agents. You have experience...Full timeContract workFlexible hours
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