Senior Applied AI Scientist — Production ML & LLMs

Lumen; Denver (CO); On-site; USD 160,000 - 266,000; Full time

Benefits offered by this job

Health benefits

Life insurance

Voluntary lifestyle benefits

Job summary

Lumen is seeking highly technical, product-minded Senior Lead Applied AI Scientists to design, build, deploy, and improve AI solutions at production scale. You will partner with business, product, engineering, and technology leaders to turn high‑value opportunities into AI‑driven solutions with measurable impact.

You’ll combine deep AI expertise with strong software engineering, experimentation, and product delivery skills, quickly prototyping, evaluating, and scaling AI systems while guiding

Qualifications

• Seven Plus years of experience in applied AI, machine learning, or data science, including production AI deployments.
• Deep expertise in machine learning, statistics, experimentation, predictive analytics, and modern AI techniques.
• Hands‑on experience building LLM, RAG, agentic, and machine learning solutions.
• Proficiency in Python and modern AI/ML frameworks such as PyTorch, TensorFlow, Hugging Face, MLflow, or similar technologies.
• Experience with MLOps, LLMOps, cloud AI platforms, APIs, and software engineering best practices.

Responsibilities

• Design, build, and optimize AI solutions from concept through production deployment.
• Partner with business and product teams to identify opportunities, define success metrics, and validate value through rapid experimentation.
• Develop advanced AI systems leveraging machine learning, generative AI, retrieval, predictive modeling, and agentic architectures.
• Define evaluation frameworks and continuously improve quality, reliability, safety, performance, and cost.
• Partner with Engineering to deliver scalable, production‑ready solutions using MLOps and LLMOps best practices.
• Contribute reusable frameworks, evaluation assets, and technical standards that accelerate AI adoption across the enterprise.
• Provide technical leadership, mentorship, and guidance on complex AI initiatives.

Skills

7+ years experience

AI/ML deep expertise

Python + ML frameworks

MLOps / LLMOps

Product mindset

Stakeholder communication

Education

Master's or PhD in CS/AI/ML

Job description

Lumen is seeking highly technical, product-minded Senior Lead Applied AI Scientists to design, build, deploy, and improve AI solutions at production scale. You will partner with business, product, engineering, and technology leaders to turn high‑value opportunities into AI‑driven solutions with measurable impact.

You’ll combine deep AI expertise with strong software engineering, experimentation, and product delivery skills, quickly prototyping, evaluating, and scaling AI systems while guiding