Senior Director, Software Engineering

At OneStream, we're on a mission to empower every Finance organization and professional to exceed their potential. Our global teams span continents, cultures, and time zones, united by a shared purpose as we build the operating system for modern Finance and help organizations move with greater speed, clarity, and confidence. That mission comes to life through our people. Behind every innovation, customer success, and milestone are talented people working together to make a difference. That's why we're looking for people who are bold enough to think big, authentic in how they lead and collaborate, curious about what's possible, and committed to delivering results. Want a closer look before you apply? Explore our Careers site to learn more about our people, culture, and benefits. As the Senior Director of Engineering, you’ll lead multiple engineering teams responsible for critical platform capabilities such as identity and access management, shared services, runtime and infrastructure platforms, observability, reliability engineering, internal developer platforms, and foundational architecture patterns. You will be accountable for technical direction, operational excellence, delivery predictability, and talent development across the Platform engineering org. You’ll partner closely with Product, Architecture, Security, CloudOps , and other engineering leaders to ensure the platform is scalable, secure-by-default, and designed for rapid product innovation. This role is ideal for a leader who can operate at two levels at once: Strategic: Define platform vision, align the roadmap, drive architectural decisions, and ensure technical sustainability. Tactical: Deliver reliably, improve engineering efficiency, and raise the bar on reliability, security, and quality. PRIMARY DUTIES AND RESPONSIBILITIES Drive the Platform Engineering strategy and roadmap, aligned to business outcomes and product needs. Partner with Product to deliver platform capabilities in a sustainable and scalable manner while ensuring clear architectural foundations are established Establish and communicate platform priorities based on customer impact, risk reduction, cost efficiency, and developer productivity. Lead execution across multiple teams and programs with a focus on predictable delivery, high quality, and measurable outcomes. Build a culture of disciplined software engineering: strong planning, clear requirements, pragmatic architecture, and effective release management. Ensure high-quality platform APIs, service contracts, backward compatibility, and versioning strategies Own platform-wide reliability outcomes: availability, latency, error rates, and resilience patterns. Partner with SRE/CloudOps to improve incident response, postmortems, operational runbooks, and reliability engineering practices. Ensure platform services are designed with security-by-default, compliance alignment, and strong governance. Work closely with…