LLM Engineer (Remote), Louisville, Kentucky, United States | Cognizant Careers

LLM Engineer (Remote), Louisville, Kentucky, United States | Cognizant Careers Skip to main content LLM Engineer (Remote) 00070196061 - Date published Aug 17 2026 - Location Louisville/ United States - Job category Digital - Work model Work from Home LLM Engineer About the role As LLM Engineer, you will make an impact by designing, building, optimizing, and deploying Large Language Model (LLM) and Small Language Model (SLM) solutions that power the enterprise Agent Factory. You will be a valued member of the AI Engineering team and work collaboratively with data scientists, platform engineers, product teams, and business stakeholders to deliver scalable, production-ready generative AI capabilities. In this role, you will: - Design, build, fine-tune, deploy, and optimize LLM and SLM solutions for enterprise-scale use cases. - Develop and maintain supervised fine-tuning, model adaptation, and evaluation pipelines. - Apply advanced model optimization techniques including LoRA, QLoRA, distillation, quantization, and model compression to improve performance and efficiency. - Assess commercial, open-source, and internally hosted foundation models based on quality, cost, scalability, and operational requirements. - Collaborate with cross-functional teams to support domain-specific AI solutions using approved enterprise datasets and best practices for responsible AI. Work model: We strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a remote position open to qualified applicants in Louisville, KY. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs. Please note that this position is not eligible for visa transfer or sponsorship now or at any time in the future What you need to have to be considered - 7+ years of experience in Software Engineering, AI Engineering, Machine Learning Engineering, Platform Engineering, or a related techn