Comcast

Principal Engineer - Agentic AI

Comcast$130K — $180K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 10+ years in agentic AI systems or equivalent software engineering experience
  • Proficient in Agent Development Kit (ADK) and Python
  • Experience with conversational AI platforms like Gemini Enterprise
  • Capability in spec-driven development with integrated AI
  • Strong skills in prompt engineering and AI output evaluation
  • Experience in parallel AI-assisted coding across multiple features
  • Familiarity with AgentOps and agent-based system monitoring
  • Proven design ability for agent-to-agent and human–AI collaboration patterns
  • Soft skills: curiosity, critical thinking, adaptability

Responsibilities

  • Design, build, and operate agentic systems to enhance human workflows
  • Integrate AI throughout the software development lifecycle (SDLC)
  • Evaluate and optimize AI performance in engineering
  • Develop production-ready agent-based solutions for reliability and scalability
  • Facilitate orchestration between agents, UI, and human users
  • Contribute to AI governance practices and ethics
  • Communicate AI applications within engineering teams and share best practices

Benefits

  • Support for physical, emotional, and financial well-being
  • Personalized tools and expert guidance available
  • Options for various life milestones and everyday needs
Full Job Description

Job Summary

The AI Agentic Team designs, builds, and runs intelligent agents end to end. We own agent logic, workflows, integrations, production deployment, and ongoing performance. By combining build and operations, we deliver agentic systems that are reliable, secure, and scalable in real-world use.

Job Description

About the Role

We are building the next generation of our chat experience, transitioning from a human-assisted workflow to a fully agentic, AI-driven system. As an AI Agentic Software Engineer, you will create re-usable AI agents that will be used across Xfinity applications. Yourinitialfocus will be to enable agentic capabilities at our Xfinity Assistant (chat application) with a strong passion for customer experience and a commitment to building intuitive, high-quality interactions.

You will work in a Google-centric ecosystem,leveragingtools such as Agent Development Kit (ADK) and Gemini Enterprise to orchestrate complex, agent-driven customer experiences.

What You’ll Do:

Agentic & AI-Augmented Engineering

  • Design, build, and operate agentic systems that replace or augment human workflows

  • Apply AI across the SDLC, including:

    • Requirements and spec-driven development

    • System and agentic workflow design

    • AI-augmented coding and refactoring

    • AI-driven testing and defect remediation

  • Treat AI as a collaborating system, not a one-off tool

  • Evaluate and iterate on AI outputs (e.g., LLM-as-a-Judge)

Platform & Production Delivery

  • Build production-ready agent-based solutions with reliability, scalability, and observability

  • Implement agent-to-agent, agent-to-UI, and human–AI orchestration

  • Contribute to AgentOps, MLOps, and AI governance

  • Ensure ethical, compliant, and responsible AI use.

Collaboration & Influence

  • Clearly communicate how AI is used in your engineering workflows

  • Share patterns and best practices with the team

  • Partner with product, UX, and platform teams to deliver cohesive experiences.

What You’ll Need:

  • 10+ years building agentic AI systems in production, or equivalent experience designing, shipping, and operating scalable, production-grade software (APIs, platforms, workflow engines, or customer-facing applications)

  • Hands-on experience with Agent Development Kit (ADK) and Python

  • Experience with Gemini Enterprise, or similar conversational AI platforms

  • Spec-driven development with AI integrated into the development lifecycle

  • Strong prompt engineering skills, including evaluation, iteration, and logging

  • Experience leveraging AI-assisted coding across multiple features or defects in parallel

  • Familiarity with AgentOps and production monitoring for agent-based systems

  • Experience with LLM-as-a-Judge or comparable evaluation techniques

  • Proven ability to design agent-to-agent, agent-to-UI, and human–AI collaboration patterns

  • Soft Skills: Curiosity to explore emerging AI capabilities, critical thinking to assess AI outputs, and adaptability in fast-moving, ambiguous environments.


Disclaimer: This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications.

Skills

Adaptability, AI Adoption, AI Agents, AI Platforms, Curious Mindset, Customer Experience (CX)

We believe that benefits should connect you to the support you need when it matters most, and should help you care for those who matter most. That's why we provide an array of options, expert guidance and always-on tools that are personalized to meet the needs of your reality—to help support you physically, financially and emotionally through the big milestones and in your everyday life.


Please visit the benefits summary on our careers site for more details.

Education

Bachelor's Degree

While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience.

Certifications (if applicable)

Relevant Work Experience

10 Years +

About Comcast

FreeWheel manages the economics of content for the enterprise class of entertainment, offering technical infrastructure for revenue rights management and business operations, wrapped in advisory services. They offer advertising sales rights, display, video, mobile ad management, contract management, professional content, ad serving, reporting, analytics, technology, services, advisory services, business operations, programmatic advertising, advertising marketplace, and linear, and online advertising.

Comcast Careers

Joining Comcast means becoming part of a dynamic team committed to shaping the future of media and technology. As a leading company in entertainment, communications, and technology, Comcast offers unparalleled job opportunities designed to foster professional growth and innovation. Work You’ll Do At Comcast, you’ll be part of a culture that cherishes diversity, leadership, and innovation. Our team is at the forefront of the industry, leading changes that redefine how people connect and experience content across the globe. Transform your career with a company that is committed to your professional development. Comcast offers a variety of positions across multiple fields, where your skills will be honed for leadership roles and your career aspirations supported by comprehensive training programs. Join Our Leading Team Be part of a team that values creativity and diversity. Comcast’s commitment to inclusive culture and diversity training ensures that every team member’s voice is heard and valued. This approach not only enhances our work environment but also drives our leadership in the competitive tech industry. Innovate with Us Engage in work that matters with a team of over 100,000 employees worldwide. At Comcast, innovation isn’t just another buzzword—it's at the core of everything we do. From developing groundbreaking technology to reimagining how our customers experience entertainment and communication, your work will influence millions. Internship and Employment Opportunities Start your career with a Comcast internship, where you’ll gain invaluable industry experience, network with professionals, and develop skills that will benefit you throughout your career. For those seeking full-time positions, Comcast’s hiring process is designed to find not just the right skills but the right fit for our culture of growth and innovation. Benefits and Growth Comcast is dedicated to the well-being and advancement of our team members. Enjoy a wealth of benefits that support both your professional and personal life, including health, wellness, and retirement plans. Our employees are encouraged to pursue continuous growth through professional development opportunities and leadership training. Stay Connected Join the Comcast Team Explore job opportunities that match your skills and interests. We are always looking for passionate, curious, and solution-driven team players. Search Comcast jobs today and find out where your career could take you. Keep Up to Date Stay ahead with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. Read Careers Blog Job Alert Emails Customize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. Discover the exciting and rewarding career opportunities that await at Comcast. By joining Comcast, you’re not just finding a job—you’re joining a community of innovators who are passionate about creating extraordinary experiences for our customers and for each other.
Learn more about Comcast
Size
31,000 employees
Market Cap
$149.9 billion
Industry
Net Income
$10.5 billion
Founded
1963
5 Year Trend
+7.6%
Revenue
$103.5 billion
NASDAQ

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