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Lumen is the trusted network for the AI‑powered world, connecting people, data, and applications through our expansive fiber network and connected ecosystem. We enable secure, high‑performance connectivity across cloud, edge, and AI workloads for enterprises, governments, and communities.

At Lumen, you'll work on infrastructure customers rely on today and build for what's next, where performance, security, and resilience matter.

This is a high accountability environment where bold ideas drive real innovation for our customers, partners, and industry. The work is challenging, expectations are clear, and trust is built into how we operate. If you're ready to take ownership, deliver meaningful impact, and help shape the future of AI‑ready connectivity, join us today.

Role Overview

Lumen is seeking highly technical, product-minded Senior Lead Applied AI Scientists to design, build, deploy, and continuously improve production-scale AI solutions of all varieties: agents, generative, ML, etc. In this role, you will partner with business, product, engineering, and technology leaders to translate high-value opportunities into AI-powered solutions that deliver measurable business impact.

You will combine deep expertise in AI and machine learning with strong software engineering, experimentation, and product delivery skills. The ideal candidate is a hands-on practitioner who can rapidly prototype, evaluate, and scale AI systems while helping stakeholders navigate technical and business tradeoffs.

What You'll Do

+ 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.

Required Qualifications

+ Seven plus years of experience in applied AI, machine learning, or data science, including production AI deployments.

+ Proven track record of delivering AI solutions that drive measurable business outcomes.

+ Deep expertise in machine learning, statistics, experimentation, predictive analytics, and modern AI techniques.

+ Hands-on experience building LLM, RAG, agentic, and machine learning solutions.

+ Strong experience with AI evaluation, model performance optimization, responsible AI, and production monitoring.

+ 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.

+ Strong product mindset, problem-solving skills, and ability to communicate complex concepts with technical and business stakeholders.

+ Preferred Qualifications

+ Master's degree or PhD in Computer Science, AI, Machine Learning, Statistics, or a related quantitative field.

+ One plus years of experience building agent based solutions

+ Experience operating enterprise-scale AI solutions in regulated or security-sensitive environments.

+ Experience leading complex, cross-functional AI initiatives.

+ Contributions to AI research, patents, publications, or open-source projects.

Join Lumen's AI Office and help build the next generation of AI solutions that transform customer experiences, accelerate innovation, and create measurable business value.

Compensation

This information reflects the anticipated base salary range for this position based on current national data. Minimums and maximums may vary based on location. Individual pay is based on skills, experience and other relevant factors.

Location Based Pay Ranges

$176,310 - $220,386 in these states: AL AR AZ FL GA IA ID IN KS KY LA ME MO MS MT ND NE NM OH OK PA SC SD TN UT VT WI WV WY

$185,124 - $231,406 in these states: CO HI MI MN NC NH NV OR RI

$193,940 - $242,425 in these states: AK CA CT DC DE IL MA MD NJ NY TX VA WA

Lumen offers a comprehensive package featuring a broad range of Health, Life, Voluntary Lifestyle benefits and other perks that enhance your physical, mental, emotional and financial wellbeing. We're able to answer any additional questions you may have about our bonus structure (short-term incentives, long-term incentives and/or sales compensation) as you move through the selection process.

Learn more about Lumen's:

+ Benefits (https://jobs.lumen.com/global/en/benefits-statement)

+ Bonus Structure

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Requisition #: 343392

Life at Lumen

Life at Lumen is human and connected, even in a fast moving, AI‑focused organization. We set clear expectations and trust people to meet them. With real support and shared accountability, teams collaborate better, move faster, and deliver meaningful outcomes.

Our Lumen 8 behaviors guide how we interact, make decisions, and work together, shaping a culture built to perform and win.

To learn more about Life at Lumen and how we live the Lumen 8, please visit:

https://jobs.lumen.com/global/en/life-at-lumen

Background Screening

If you are selected for a position, there will be a background screen, which may include checks for criminal records and/or motor vehicle reports and/or drug screening, depending on the position requirements. For more information on these checks, please refer to the Post Offer section of our FAQ page (https://jobs.lumen.com/global/en/faq) . Job-related concerns identified during the background screening may disqualify you from the new position or your current role. Background results will be evaluated on a case-by-case basis.

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

Equal Employment Opportunities

We are committed to providing equal employment opportunities to all persons regardless of race, color, ancestry, citizenship, national origin, religion, veteran status, disability, genetic characteristic or information, age, gender, sexual orientation, gender identity, gender expression, marital status, family status, pregnancy, or other legally protected status (collectively, "protected statuses"). We do not tolerate unlawful discrimination in any employment decisions, including recruiting, hiring, compensation, promotion, benefits, discipline, termination, job assignments or training.

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