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A C Operator in San Mateo

197 active opportunities · Updated for October 2026

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Explore current a c operator jobs in San Mateo. Use filters to narrow by work mode, employment type, experience and date posted.

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Roblox
📍 San Mateo• Full-time• From $380K/yr
1mo ago

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Director, Corporate and Securities Counsel We are seeking a seasoned Corporate and Securities attorney to join our expanding legal team. Reporting to the VP, Deputy General Counsel and Chief Compliance Officer, you will lead securities law and governance matters while managing a small team of legal professionals. You will drive process improvements and operational efficiencies while serving as a strategic business partner to the finance, equity, people, and leadership teams. This role will be based at our San Mateo, CA headquarters (hybrid with Tues-Thurs in office days) and reports into the Deputy General Counsel-Chief Compliance Officer. You will: Direct the preparation and filing of SEC reports (10-K, 10-Q, 8-K) and ensure NYSE compliance, leveraging AI tools to enhance disclosure drafting and consistency. Oversee the preparation and review of earnings releases and public announcements in collaboration with Finance, Investor Relations, and Marketing. Manage board and committee logistics, including agendas, materials, minutes, action items and corporate governance matters. Oversee the management of domestic and international subsidiaries, including intercompany funding, incorporatio

awsgitai
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Roblox
📍 San Mateo• Full-time• From $243.3K/yr
1mo ago

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a member of the Infrastructure Foundation Hardware Engineering team, you will help develop and validate next-generation server platforms that power a reliable, high-performing, and cost-efficient infrastructure at scale. You will work across platform bring-up, firmware qualification, hardware validation, fleet integration, and performance optimization to support large-scale production deployments. You Will: Bring-up & Sustaining: Drive key aspects of the hardware development lifecycle, including feasibility studies, hardware bring-up, validation, deployment, and ongoing production support. Platform Optimization: Perform platform integration, performance characterization, and system-level debugging across compute infrastructure, focusing on hardware optimization, driver tuning, and thermal/power efficiency. Hardware Validation: Develop and execute rigorous evaluation and stress-testing strategies for server platforms to ensure reliability and performance under production-scale workloads. Firmware & Fleet Enablement: Support BIOS/BMC firmware qualification, hardware health monitoring, and automation tooling for firmware deployment and lifecycle management. Vendor & Cross-Functi

pythonawsgit
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Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Roblox is looking for a Finance Business Partner, Trust & Safety to join our Finance team, reporting to the Senior Manager, FP&A. You will be leading finance support to the Trust and Safety team. This cross functional role involves collaboration with Safety, Legal, and Infrastructure teams. You will be supporting a variety of FP&A functions including short-term planning management, business partnering, financial modeling, and finance operations. You will communicate, use analytical skills, and organize with several teams on multiple deliverables. You Will: Support monthly financial cycles, including collaboration with Accounting at month-end and quarter-end, consolidation of budgets and reporting packages Review important financial metrics with senior leadership Provide leadership in identifying ad hoc or opportunistic discussions around our financial trends Leading many cross functional projects with Safety ops team on cost efficiencies and new product introductions by identifying opportunities/gaps, providing insights and solutions. Consistently support various business decisions across the organization by surfacing spending trends, developing ROI analysis for new strategic in

sqlawsgit
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Roblox
📍 San Mateo• Full-time• From $295.3K/yr
1mo ago

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. What You’ll Do: As an Engineering Manager for Payments - Subscriptions, you will direct the strategy and implementation for Roblox’s suite of subscription offerings. In this critical role, you will directly influence key business metrics and help define how our most dedicated global users engage with our platform. You will be working directly with a number of cross-functional partners from Product, Design, Data Science teams, influencing our business and annual recurring revenue growth direction. Your team will own mission-critical systems across key areas, including: Subscription Value Proposition: Collaborating with Product to define the roadmap for subscriptions on Roblox, building innovative features, and partnering across teams to deliver maximum value to our subscriber community. Subscription Billing: Leading full lifecycle management and feature execution for recurring billing, delivering a seamless purchasing, upgrade, and subscription management experience across all platforms. Subscribers Growth & Retention: Executing key initiatives to expand the subscriber user base while strengthening long-term user retention. Operational Observability: Developing comprehensive telemetry, m

awsgitai
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Roblox
📍 San Mateo• Full-time• From $295.3K/yr
1mo ago

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Discovery UX sits at the intersection of product innovation and high-scale infrastructure. Every Roblox user starts their journey on the homepage, and every Roblox developer needs to find their correct audience. Our team works closely with product and engineering teams across Roblox to bridge this gap by improving the user journey from landing on Roblox to joining an experience. We primarily work on Home, Search, Charts, and Experience Details pages, for both the Roblox website and app. As a Principal Software Engineer , you will craft robust, extensible systems for high-traffic surfaces. While you are a frontend expert at heart, you are a versatile engineer who isn't afraid to dive into the backend or data pipelines to ship a complete feature. You will drive solutions using React and modern technologies, helping us build efficiently across devices. If you have a deep understanding of frontend architecture and a genuine curiosity for diving into data to understand "the why" behind an experiment, you will be right at home with us. This role reports to the Engineering Manager on the Discovery UX team. You Will: Design, build, and ship features that define the discovery journey for millions of

javascripttypescriptjava
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Roblox
📍 San Mateo• Full-time• From $345K/yr
1mo ago

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a Principal Software Engineer on the Compute team, you will be the technical anchor for Roblox's GPU and AI accelerator capabilities. This is a battle-tested GPU expert role focused on the machine management layer and above: how GPU hosts are made production-ready, kept healthy, and turned into reliable compute for the workloads that depend on them. You will own the hard problems that show up only at scale, from driver and firmware management to GPU health, reliability, and performance across a rapidly growing fleet of accelerators spanning Roblox data centers and cloud environments. You will set the technical direction for GPU compute and up-level the entire organization's GPU expertise. You will: Serve as the GPU technical leader for the Compute team, partnering across Kubernetes, Machine Bootstrap, Networking, and Cloud to drive GPU strategy end to end. Own the GPU host lifecycle above raw fleet management: driver, firmware, and CUDA stack management, GPU health and telemetry, and remediation of GPU-specific failures (XID errors, ECC, thermal, NVLink and fabric faults). Architect how GPU capacity is exposed to compute platforms, including scheduling, isolation, and integration with Ku

awskubernetesgit
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Roblox
📍 San Mateo• Full-time• From $295.3K/yr
1mo ago

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Why Connections? As a Principal Software Engineer on the Connections team, your work will power the Roblox ecosystem, helping people recognize and connect with friends & interests on Roblox, express themselves, and discover & engage with the best of Roblox through their connections. You will own critical features used by millions of users daily, including profiles, names, online presence, co-play tools, and social proof, while also developing new zero-to-one features. If you are an experienced developer who loves to write code, ship user-facing features, mentor engineers, up-level frontend development, and drive product vision, you’ll have the opportunity to make a meaningful impact on this team. This role is based at Roblox HQ in San Mateo, CA (no remote option). You Will: Design, build, and ship features that power the social graph for millions of users Architect scalable, long-term solutions Collaborate with teams across the company to translate ambitious business goals into a concrete, multi-year technical roadmap Serve as a technical leader, setting engineering standards and mentoring other engineers You Have: 8+ years of experience in software development with web

javascripttypescriptjava
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Roblox
📍 San Mateo• Full-time• From $397.5K/yr
1mo ago

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. At Roblox , we’re building the tools and platform that empower a global community of creators and developers to build immersive experiences and a dynamic virtual economy. Our Economy ML team sits at the heart of this mission, delivering scalable machine learning systems that power personalization, pricing, search, and content understanding across all Economy surfaces: Marketplace, Developer Monetization, Payments, and Avatar. We’re looking for a Distinguished Engineer/Technical Director to lead the strategy and technical direction for ML systems , with a focus on large-scale recommendations, infrastructure, and emerging Generative AI applications. You’ll help build the systems that support retrieval, ranking, generative modeling, and LLM-powered personalization, all at massive scale. This role requires deep systems thinking, hands-on ML expertise, and a vision for how traditional ML and GenAI come together to power the future of the Roblox economy. Why Roblox for ML Systems AI/ML is a top company priority , with long-term investment. Real-world scale : Power millions of daily economic interactions across ranking, pricing, fraud, and search. Full-system ownership : Build and optimize end-to-

awsgitmachine learning
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Roblox
📍 San Mateo• Full-time• From $159.3K/yr
1mo ago

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Roblox is seeking a Content Designer to join our Monetization team and drive the future of our platform's economy. In this role, you will play a crucial role in defining the content strategy and information architecture of strategic initiatives across Monetization, creating seamless and compelling experiences that empower both our users and creators. You will be a key player in shaping how we grow revenue, enhance developer earnings, and evolve our core monetization offerings within the Roblox ecosystem. You Will: Own and deliver UX content for key monetization surfaces and flows at Roblox, from early exploration through launch Develop a deep understanding of user and developer needs, behaviors, and motivations to inform content design decisions across payment, purchase, and monetization experiences Bring a fresh perspective and deep industry knowledge to drive innovation in monetization design Collaborate with product managers, designers, researchers, and engineers to ensure experiences are valuable, understandable, and easy to use Apply UX writing and content strategy to improve clarity, usability, and engagement across player, parent, and creator experiences Contribute to building

awsgitrest
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Roblox
📍 San Mateo• Full-time• From $277.4K/yr
1mo ago

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a Technical Program Manager for Compute Infrastructure, you will lead technical programs to develop and rollout next generation technology solutions to process a diverse spectrum of infrastructure workloads across Roblox services to enable users around the world to efficiently, reliably, and securely enjoy the Roblox Platform. You Have: Been a technical leader with domain expertise in systems and software used to process and manage Cloud and on-prem Infrastructure 7+ years of experience in software industry driving the build of large-scale infrastructure Experienced with establishing work relationships across multi-disciplinary teams and earning trust as a technical leader with all partners Experienced with identifying critical technical problems and opportunities Experienced with delivering end to end technical programs through roadmapping and reliable execution Able to turn specific solutions into systems that benefit the larger community in the long run Knowledgeable about user needs, scoping, planning, execution and delivery Flexible around process, using process as a tool when it makes sense for a team Experience with Kubernetes, Cloud platforms (e.g. AWS), and AI/ML infrastru

awskubernetesgit
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Roblox
📍 San Mateo• Full-time• From $196.8K/yr
1mo ago

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Why Reliability? Roblox serves over 100 million people every day across a platform that is constantly evolving — and behind every experience is infrastructure that has to work, every time, at massive scale. The Reliability team at Roblox operates at the depth and breadth of the Roblox stack. Availability of the platform is a key company goal. We are hiring our first Senior Machine Learning engineer within our team. As a Senior Machine Learning Engineer within Reliability, you will help set the direction for how machine learning systems/practices can be leveraged to improve the reliability of the overall Roblox platform. You will own the architectural and execution roadmap of leveraging massive data across - logs, traces, metrics, production changes, to proactively detect issues before they become real problems (MTTD) and/or reduce time to resolve incidents (MTTR). You will have the opportunity to cross functionally collaborate with other similar teams at Roblox to define best practices and software. You will: Help define the roadmap for leveraging Machine Learning Engineering to improve Production Systems Reliability at Roblox. Improve r

awsgitmachine learning
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Roblox
📍 San Mateo• Full-time• From $162K/yr
1mo ago

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As an important part of the People Team, People Operations ensures that every Roblox employee has a great experience. This includes defining and driving core HR business programs, capturing comprehensive employment data, providing resources that detail HR practices and resolving employees' specific HR questions as they arise. We pride ourselves on achieving operational excellence across every service we provide and achieve this standard by optimizing HR business processes, guaranteeing HR data integrity, and using that information to inform down-stream processes and data-driven insights. You will report to the Director, People Business Operations. Role is based at Roblox HQs in San Mateo, CA. #LI-Hybrid You will: Support Roblox managers and employees, inclusive of responding to their general process and policy questions and providing guidance on how to navigate specific employee situations Assist managers with handling and resolving employee performance cases, accommodation requests and employee-impacting reorganizations Own elements of HR service delivery and drive operational excellence through effective teamwork, robust data analysis and optimal process design Build strong cross function

awsgitai
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Roblox
📍 San Mateo• Full-time• From $163.8K/yr
1mo ago

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a Design Engineer on the Design Acceleration team, you’ll be an individual contributor focused on evolving the systems and processes which power Roblox’s design organization through scalable systems, AI integrations, and custom tooling. Our team is responsible for building the orchestration layers and internal tools that empower designers and engineers to work faster and more cohesively. You will help build internal tools, like Figma plugins and design utilities, that empower designers and engineers to work faster and more cohesively. You have experience at the intersection of systems engineering and design tooling. You understand design systems, but your superpower is building the backend services, APIs, and data models that allow those systems to scale. Your work will help ensure our design tools, AI agents, and prototypes not only inspire—but deploy seamlessly into production environments. You will: Architect and build scalable backend services and APIs that connect our design tools to AI models and production environments (Roblox Studio). Develop agentic workflows and orchestration layers (such as Model Context Protocol servers) to enable natural language generation of UI components,

reactawsci/cd
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Roblox
📍 San Mateo• Full-time• From $295.3K/yr
1mo ago

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Why Safety AI Systems? As Senior Engineering Manager for Safety AI Systems at Roblox, you'll lead technical efforts and manage a team of experienced engineers to develop innovative AI solutions for multimodal content safety. You’ll oversee machine learning systems, constructing multimodal model architectures, improving data quality, training pipelines, and model performance to address challenges like real-time multi-verse content understanding and advanced moderation with large vision language models, spanning avatars, images, videos, audios, text, code / data models, and their composites. In close collaboration with product, policy, and Trust & Safety teams, you'll design large-scale systems to detect and mitigate abusive behavior before it harms the community. You'll own critical services at massive scale, balancing user freedom with platform civility to protect and empower our users. Your leadership will help ensure Roblox remains a safe, inclusive space for self-expression and shared experiences. You Will Own the vision, technical direction, and execution of machine learning solutions for the Multimodal Safety AI system, ensuring these systems effectively detect and prevent ha

awsgitmachine learning
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Roblox
📍 San Mateo• Full-time• From $295.3K/yr
1mo ago

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Join Roblox as an Engineering Manager of Application Security and lead a team responsible for improving the security of our products, services, and development ecosystem. In this role, you will drive security across the software lifecycle, partnering with engineering teams to identify risks, improve secure development practices, and build scalable solutions that protect Roblox at scale. You will balance hands-on security work with longer-term investments in automation, tooling, and developer enablement. You will work closely with engineering, infrastructure, and security teams to reduce risk while enabling teams to move quickly and safely. This role reports to the Senior Manager of Application Security and is based in San Mateo with a hybrid schedule. You Have: 8+ years of experience in Information Security 2+ years of experience managing engineers Strong background in Application Security or Product Security Experience driving security programs across the software development lifecycle Solid understanding of common vulnerabilities (e.g., OWASP Top 10) and secure coding practices Experience working closely with engineering teams in modern environments (cloud, microservices, CI/CD) Prov

awsci/cdgit
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