Principal Sales Engineer - UK

About Zscaler

Zscaler accelerates digital transformation to ensure our customers can be more agile, efficient, resilient, and secure. As an AI-forward enterprise, we are constantly pushing the envelope, leveraging the world’s largest security data lake to power our cloud-native Zero Trust Exchange platform. This innovation protects our customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location.

Here, impact in your role matters more than title and trust is built on results. We say, impact over activity. We seek innovators who actively use AI to amplify their impact and who thrive in an environment where we leverage intelligent systems to stay ahead of evolving threats. We believe in transparency and value constructive, honest debate—we’re focused on getting to the best ideas, faster. We build high-performing teams that can make an impact quickly and with high quality. To do this, we are building a culture of execution centered on customer obsession, collaboration, ownership, and accountability.

We value high-impact, high-accountability with a sense of urgency where you’re enabled to do your best work and embrace your potential. If you’re driven by purpose, thrive on solving complex challenges, and want to be part of the team that’s helping to secure the AI age, we invite you to bring your talents to Zscaler and help shape the future of cybersecurity.

We are looking for a Principal Sales Engineer to join our team. This is a Hybrid role, reporting to the Sales Engineering Manager in the Solutions Consulting department. In this role, you will set the technical direction for marquee multi-region opportunities and partner with extended teams to drive strategic outcomes for the most significant Zscaler customers. You will also pioneer new offerings, influence the product roadmap as part of the EMEA technical advisory function, set cross-portfolio architecture standards, represent the Solutions Consulting function in partner and analyst forums, and mentor senior Sales Engineers to drive communities of practice across the region.

What you’ll do (Role Expectations)

• Serve as the technical lead for strategic and high-value opportunities, partnering with Sales, Product, and Customer Success teams to accelerate technical wins, mitigate risk, and drive successful deal closure

• Provide technical oversight and executive guidance across key accounts, shaping account strategies, influencing solution direction, and ensuring alignment between customer objectives and platform capabilities