(Principal) Senior Security Engineer

Ever imagined saying, “I helped launch the future of transportation”? We’re rewriting the rules of urban mobility. At Vay, customers tap a button and a car arrives - with no one inside - powered by our world-first Remote Driving technology on real public streets. We’re live in Las Vegas and scaling fast, powered by a strategic investment of up to $410 million from Grab. Our mission is simple: replace private car ownership with a faster, cleaner, door-to-door mobility model. If you want to build something real, visible, and genuinely transformative, you’ll feel right at home here. Curious to experience Vay yourself? Use the code VAYCANDIDATE for $10 off your first trip in Las Vegas! Download the "Vay" app from the Apple or Google Play store & off you go!  What’s happening at Vay First to roll out vehicles in both Europe and the USA on public roads without a human being inside & currently the 2nd largest commercial, driverless car fleet in the Western World. We've partnered with Kodiak to bring remote-driving technology to autonomous trucks in the US, showcasing our ability to integrate our system into heavy-duty commercial vehicles and expand the applications of our tech across the US. We’ve completed 10’s of thousands of trips so far and are busy multiplying our Las Vegas fleet just to meet demand! ...And soon we’ll be expanding across the US & Europe 🚀 Why this role is exciting Security at Vay is different. You’ll be working across a real-world technology platform combining vehicles, embedded systems, software, cloud infrastructure, connectivity and Remote Driving. As a Senior / Principal Security Engineer, you’ll help shape the cybersecurity foundation of our technology platform, influencing architecture, engineering decisions and security practices across the company. This role is ideal for someone who can operate strategically while staying technically hands-on. Depending on your experience and scope of ownership, the role can be hired at either Senior or Principal level. What you'll be driving Own and evolve cybersecurity engineering practices across Vay’s Remote Driving platform and vehicle ecosystem. Perform threat modelling, security risk assessments and technical security analysis across products and systems. Define cybersecurity requirements and work with engineering teams to implement practical mitigations. Influence architecture and system design across Software, Systems, Embedded, Infrastructure, Safety and Validation teams. Build security into the full engineering lifecycle, from early design through implementation, testing and deployment. Shape security testing and validation strategies across Vay’s technology stack. Support secure approaches to authentication, authorization, communications, software updates, identity and trust. Assess vulnerabilities, prioritize real-world risk and drive effective remediation. Represent cybersecurity in technical reviews, architecture discussions and internal and external conversations. Build scalable security processes that can support the continued growth of Vay’s commercial fleet and technology platform. This might be a great fit, if Around 8+ years of experience across cybersecurity engineering, product security, application security, platform security or related areas. Strong knowledge of security architecture, secure software development, threat modelling, vulnerability management and security risk assessment. Experience securing complex products involving multiple software, infrastructure, networking, hardware or device components. Experience translating security risks into clear technical requirements and practical mitigations. Good understanding of authentication, authorization, cryptography, secure communications and trust models. Experience working with security standards, regulatory frameworks or structured cybersecurity engineering processes. Strong technical depth and the ability to understand unfamiliar systems quickly. Excellent comm