12,841 a16z jobs
Open roles at companies in the Andreessen Horowitz portfolio.
Senior Content Designer
Senior Content Designer on Roblox's Accounts design team, owning UX writing and content strategy for identity, account access/recovery, and family safety experiences. Works cross-functionally with product, design, engineering, and policy, building reusable content frameworks and applying AI tools.
Equity Compensation Program Manager
Manages Roblox's equity compensation programs within the Total Rewards team: monthly new hire grant prep, equity budgeting, burn rate tracking, and dilution modeling, plus building compensation models, dashboards, and policy. Heavy Excel/Sheets analytics in a hybrid role from the San Mateo HQ.
Workplace Services Manager
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…
Principal Network Security Engineer
Principal engineer on Roblox's Network Security pod: identifies vulnerabilities across a global network of data centers and public clouds, designs and builds high-performance protective systems (proxies, load balancers, firewalls, IDS/IPS), and provides security design reviews. Core stack: Golang/C++, TCP/UDP/DNS, DPDK/eBPF.
Engineering Manager - Reliability Engineering
Engineering manager for Roblox's Site Reliability Engineering team, leading engineers to improve production health, build reliability guardrails, and scale infrastructure supporting the Roblox platform. Requires 3+ years in engineering management and deep large-scale distributed systems expertise.
Software Engineer, Reliability
Early-career software engineer on Roblox's Reliability team, building infrastructure that keeps the platform fast, reliable, and efficient: applying AI/ML to scale workloads across regions, tuning performance with metrics and profiling, and sharing on-call. Core tech: Python/Rust/Go/Java/C#, distributed systems, Kubernetes, Prometheus/Grafana.
Senior Data Center Engineer
Senior Data Center Engineer at Roblox, scaling edge data centers and hardware infrastructure that supports millions of concurrent players: installing and maintaining servers and network equipment, handling breakfix and root-cause analysis, improving automation and runbooks, and coordinating vendors. Onsite in Chicago with 25-50% domestic and international travel.
Manager, Product Support Incident Management
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…
Principal Software Engineer, GenAI Platform
Principal engineer on Roblox's Foundation AI team, setting multi-year technical strategy and architecture for the platforms powering machine learning, generative AI, and agentic experiences across Roblox — spanning LLM inference, agent infrastructure, data systems, and developer tooling. Expert-level Go, Python, or Rust plus large-scale distributed systems experience.
Threat Intelligence Analyst, Threat Disruption
Investigates and disrupts adversaries attacking X — bot networks, account compromises, influence operations, fraud, and scams — by running large-scale enforcement sweeps and advising product, engineering, and policy teams. Requires SQL for large-dataset analysis, with command-line/scripting and AI tooling preferred; includes a 24/7 on-call rotation.
Principal Software Engineer
Principal engineer on Roblox's Observability team, owning telemetry, distributed tracing, and logging infrastructure end-to-end — instrumentation libraries, pipelines, storage, and visualization UI — while architecting the next-gen platform ingesting petabytes of data daily and building novel monitoring for AI/ML systems. Hybrid role: 3 days/week at San Mateo HQ.
Product Designer, Creator Services
Senior product designer on Roblox's Creator Services team, turning complex backend cloud infrastructure into intuitive UI/UX for developer-facing tools like the Translation portal and Server Management. Day to day: crafting end-to-end experiences, partnering with product and engineering, and using Figma plus AI prototyping in workflows.
Backend Engineer, API
Builds and scales a high-throughput AI inference API in Rust, owning model serving, routing, and observability for global developer access.
Backend Engineer, Enterprise
Builds and maintains scalable backend systems in Rust/C++ and Python, integrating AI workflows with databases like PostgreSQL and Kubernetes, to deliver enterprise-grade solutions.
Construction Manager, Electrical - Memphis
SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this…
Construction Manager, Mechanical - Memphis
SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this…
Construction Manager, Structural - Memphis
SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this…
Construction Superintendent, Electrical - Memphis
Oversee electrical contractors building power infrastructure for a high-impact AI data center in Memphis, including high-voltage systems, grounding, and safety compliance.
Construction Superintendent, Mechanical - Memphis
Oversee mechanical contractors building advanced cooling and HVAC systems for SpaceXAI's data centers in Memphis, ensuring on-time, high-quality installations of chilled water plants, CRAC/CRAH units, and fire protection systems.
Construction Superintendent, Structural - Night Shift (Memphis)
Oversee night-shift structural construction crews building a high-tech data center in Memphis, managing foundations, steel framing, and safety for mission-critical infrastructure.