Senior Project Manager Professional Services

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.Role  We are looking for a Senior Project Manager, Professional Services to join our team. This is a Remote (UK) role, reporting to the Manager, Professional Services in the Professional Services department. We are seeking an experienced Project Manager to join our Professional Services organisation, leading the successful delivery of customer-facing projects. This role is responsible for managing complex engagements from initiation through closure, ensuring projects are delivered on time, within scope, and to a high standard of quality. The ideal candidate will have a strong background in professional services delivery, experience managing cybersecurity-related projects, and a practical understanding of how AI technologies can support service delivery, automation, analytics, and customer outcomes. What you’ll do (Role Expectations) Lead the end-to-end delivery of Professional Services projects, including planning, execution, governance, risk management, and closure Manage multiple concurrent customer engagements involving cybersecurity implementations, transformations, assessments, or optimisation services Build and maintain detailed project plans, status reporting, RAID logs, resource plans, and stakeholder communications Coordinate cross-functional teams including technical consultants, solution architects, support teams, sales, and customer leadership Drive effective governance through regular steering meetings, status reviews, and executive updates Who You Are (Success Profile) You thrive in ambiguity. You're comfortable building the path as you walk it. You thrive in a dynamic environment, seeing ambiguity not as a hindrance, but as the raw material to build something meaningful. You act like an owner. Your passion for the mission fuels your bias for action. You operate with integrity because you genuinely care about the outcome. True ownership involves leveraging dynamic range: the ability to navigate seamlessly between high-level strategy and hands-on execution. You are a problem-solver. You love running towards the challenges because you are laser-focused on finding the solution, knowing that solving the hard problems delivers the biggest impact. You are a high-trust collaborator. You are ambitious for the team, not just yourself. You embrace our challenge culture by giving and receiving ongoing feedback—knowing that candor delivered with clarity and respect is the truest form of teamwork and the fastest way to earn trust. You are a learner. You have a true growth mindset and are obsessed with your own developmen...