Principal Technologist / Field CTO

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 Director, Principal Transformation Advisor to join our team. This is a London office role, reporting to the Global Director of EBC Product Marketing in the Product Marketing department. You will own how we engage with customers as part of our Executive Briefing Program, operating at the intersection of technology strategy, storytelling, and executive engagement. As a highly credible, business-minded technology leader, you will act as the face of our Executive Briefing Center (EBC) experience, delivering compelling, tailored presentations to CIOs, CISOs, and senior technology leaders, translating complex technology into clear business outcomes, strengthening strategic relationships, and generating action-oriented outcomes. What you’ll do (Role Expectations) * Drive high-impact Executive Briefings for strategic enterprise customers and prospects by delivering tailored presentations that connect technology strategy to business outcomes, risk reduction, and growth while facilitating real-time discussions * Co-develop and continuously refine a world-class executive narrative around key themes including AI, security, and digital transformation, simplifying complex technical concepts into clear, compelling stories * Collaborate with account teams to deeply understand each customer’s environment, priorities, and challenges using in-house data and public research to ensure every session feels bespoke and high-value * Work closely with Product, Engineering, Sales, and Marketing to bring the right specialized speakers into each briefing, influencing internal stakeholders and contributing to the feedback loop from the field to leadership * Help define and scale a best-in-class EBC experience in EMEA by upholding high presentation standards, storytelling frameworks, and mentoring internal speakers to elevate overall briefing quality 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 development, actively seeking feedback to become a better partner and a stronger teammate. You love what you do and you do it with purpose. What We’re Looking for (Minimum Qualifications) * Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain * 10+ years in enterprise technology, with experience in roles such as Field CTO, Product/Solutions Consulting, Systems/Sales Engineering, or Audience/Customer Marketing * Strong understanding of enterprise IT, security, networking, cloud, and AI * Proven experience working closely with large, complex organizations and strategic accounts * Hands-on expertise in zero trust, SASE, SSE, or related cybersecurity domains What Will Make You Stand Out (Preferred Qualifications) * Experience designing and articulating executive-level narratives on how generative AI architectures transform enterprise security posture and accelerate business productivity * Outstanding storytelling, writing, and communication skills paired with strong organizational and project management abilities to adapt without losing focus in a fast-paced environment * Confident and credible presentation skills with a track record of crafting and facilitating compelling, outcome-focused technology conversations for CISOs, architects, and IT decision-makers, combined with an adaptable team-player mindset ready to ensure flawless experiences for visiting executives #LI-Hybrid #LI-MP1   At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure. Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including: * Various health plans * Time off plans for vacation and sick time * Parental leave options * Retirement options * Education reimbursement * In-office perks, and more! Learn more about Zscaler's hybrid working model and benefits here. By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines. Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link. Pay Transparency Zscaler complies with all applicable federal, state, and local pay transparency rules. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

We fuse together exceptional talent who deliver outstanding software solutions. Our approach has helped us grow 60% in 2021, 94% in 2022, while in 2023 we joined forces with Insight, a Fortune 500 company and a leading solutions and systems integrator. With exciting growth plans and cutting-edge projects, there has never been a better time to join our incredible team.  ABOUT THE JOB We fuse together exceptional talent who deliver outstanding software solutions. Our approach has helped us grow 60% in 2021, 94% in 2022, while in 2023 we joined forces with Insight, a Fortune 500 company and a leading solutions and systems integrator. With exciting growth plans and cutting-edge projects, there has never been a better time to join our incredible team. We are establishing a AI Engineering team who will work closely with our most strategic customers to deeply understand their use cases and design, build, and implement products for them. As one of our founding AIs, you will deploy these solutions on the latest infrastructure for the world's most influential businesses, driving real business impact through the newest models and our own innovations in technical delivery. AI Engineers' responsibilities look similar to those of a hands-on AI startup CTO: you'll work in small teams to own delivery of high stakes projects with clients. A day's work may include building LLM workflows on a large scale, interacting with customers to understand their needs and set their AI strategy, but the most impact will be driven by implementing solutions into the real world of our partner's organizations. We are looking for customer-focused software engineers to build effective custom software that leverages leading AI models and technology to solve real customer problems. You will partner directly with customers to conceptualize, design, and implement cutting-edge AI solutions. This role focuses on leveraging generative AI models, agentic systems, and iterative prototyping to build impactful proofs of concept (PoCs) that address unique business challenges. The AI engineer acts as a bridge between advanced AI technologies and practical enterprise applications, ensuring that solutions are both innovative and actionable. You will collaborate closely with Sales, Solutions Engineering, Solutions Architects, and Customer Success Managers who work on the same account. You will also be self driven to learn about the AI market and bring forward that knowledge to improve the way in which we deliver to customers. Responsibilities Customer Engagement: Collaborate deeply with clients to understand their strategic objectives, technical requirements, and operational constraints. Serve as a trusted advisor for AI strategy, guiding clients through the process of ideating and implementing generative and agentic AI solutions. Facilitate workshops and brainstorming sessions to identify high-value use cases for AI technologies. AI Solution Development: Design, prototype, and deploy AI-powered PoCs using generative models (e.g., GPT, DALL-E) and agentic systems tailored to specific client needs. Build end-to-end pipelines for deploying AI solutions on client infrastructure, ensuring scalability, security, and performance. Experiment with cutting-edge methods in natural language processing (NLP), computer vision, reinforcement learning, and multi-agent systems to deliver innovative solutions. Iterative Prototyping: Use an experiment-driven approach to rapidly test hypotheses and refine prototypes in collaboration with client teams. Develop reusable frameworks and tools to accelerate the deployment of generative AI solutions across diverse industries. Cross-Functional Collaboration: Work closely with Sales, Applied Research, Product Development, and Customer Success teams to ensure seamless project execution. Provide actionable feedback from customer engagements to inform the development of new AI capabilities. Knowledge Sharing: Document best practices and lessons learned from client projects to contribute to internal knowledge bases. Mentor junior engineers on the application of generative and agentic AI technologies in real-world scenarios. Requirements Technical Expertise: Strong proficiency in programming languages such as Python or JavaScript, with experience in frameworks like TensorFlow or PyTorch. Hands-on experience with generative AI models (e.g., GPT-4/5), agentic systems, or reinforcement learning frameworks. Familiarity with deploying machine learning models in production environments using cloud platforms (e.g., AWS, Azure) or on-premise systems. Problem-Solving Ability: Proven ability to translate abstract business challenges into concrete technical solutions using generative AI. Strong analytical skills to evaluate model performance and optimize for specific use cases. Client-Facing Skills: Exceptional communication skills for explaining complex AI concepts to diverse stakeholders. Ability to build trust-based relationships with clients and navigate ambiguous problem domains collaboratively. Adaptability: Flexibility to work across industries such as healthcare, finance, defense, or retail while tailoring solutions to each domain. Willingness to travel or work on-site with clients as required. Requirements (Education, Certification, Training, and Experience) Bachelor's degree in computer science or related field or equivalent experience At least 3 years of experience in software engineering or applied machine learning roles. Direct experience working with customers on the development of AI-driven applications is highly desirable Passion for exploring the frontiers of generative and agentic AI technologies. Entrepreneurial mindset with a focus on delivering measurable business impact through innovative solutions. Commitment to continuous learning and staying at the forefront of AI advancements. This role is ideal for those who thrive at the intersection of technology innovation and customer engagement. You will have the opportunity to shape the future of enterprise AI adoption while solving some of the most complex challenges faced by leading organizations. BENEFITS * Opportunities for certification and training * Dual monitor setup and high-spec workstations * English courses * Gym allowance * Medical Reimbursement * Full salary covered up to 20 days of sickness * Flexible working hours * Loyalty scheme * Team building activities, special events and conferences * UK/EU Travel opportunities * Snacks and drinks in the office     To see more roles, click here.