Senior GenAI Engineer

New Today

Summary:

VIAVI has a 90+ year history of technical innovations that have evolved to keep pace and address our customer’s most pressing business issues. We make equipment, software, and systems that help to plan, deploy, certify, monitor, and optimize all kinds of networks - like those for mobile phones, service providers, large businesses, and data centers. And we are also at the forefront of optical security – we bend light to develop and deliver optical solutions that provide security to the world’s currencies and safety and performance applications for consumer electronics and spectrometry.

We are the people behind the products that help keep the world connected – at home, school, work, at play, and everywhere in between. VIAVI employees are fierce about supporting customer success and we welcome people who bring their best every day to the company - to question, to collaborate and to push for solutions that will delight our customers.

We’re looking for a hands-on, passionate Senior GenAI Engineer who thrives on pushing the boundaries of Generative AI and deploying cutting-edge solutions in real-world enterprise environments.

As the Senior GenAI Engineer you’ll lead the development of scalable, production-grade AI systems that drive innovation across the telecoms domain. From integrating LLMs into enterprise workflows to building robust agent-based architectures, you’ll be at the forefront of transforming how AI delivers measurable business impact.

Duties & Responsibilities:

  • Plan, design and develop AI-based solutions to build Viavi's GenAI platform and meet customer project requirements
  • Architect and deploy advanced GenAI solutions, integrating LLMs into enterprise workflows at scale
  • Build robust RAG pipelines, agent-based systems, and evaluation frameworks that deliver measurable business impact
  • Lead technical design reviews, mentor junior engineers, and champion best practices in software engineering
  • Collaborate cross-functionally to influence product strategy and translate complex AI concepts into business value
  • Ensure responsible AI deployment, embedding ethical and regulatory considerations into every stage of development

    • Pre-Requisites / Skills / Experience Requirements:

  • Extensive software engineering experience, including experience working in AI/ML and GenAI production environments
  • Expert-level Python skills and deep knowledge of CI/CD, testing, and scalable system design
  • Hands-on experience with LLMs, LangChain, LangGraph, Semantic Kernel, and agent-based architectures
  • Strong understanding of responsible AI, bias mitigation, and compliance (EU AI Act, NIST AI RMF)
  • Proven success applying AI to telecoms use cases like network analytics, fault prediction, and customer intelligence
  • Proficiency with Linux, Docker, Kubernetes, SQL, and cloud platforms (AWS, GCP, or Azure)

    • Why Join Us?

  • Work on high-impact AI projects that shape the future of telecoms
  • Be part of a forward-thinking, collaborative team that values innovation and continuous learning
  • Enjoy flexible remote working arrangements and a culture of mentorship and knowledge sharing

    • This is what Viavi employees are called to do on a daily basis. In order to best enable our customers’ success, we rely on people who see opportunity where others see challenges; people who enjoy collaborating with a diverse range of peers and look for workarounds when their first (or second) attempts don’t work.

    Come work with us, where we’ll celebrate your unique expertise, drive and passion. Learn more at and follow us on Viavi Perspectives, LinkedIn, Twitter, YouTube and Facebook. 

    Apply
    Location:
    Newbury
    Job Type:
    FullTime