Security Engineer jobs in Frisco

# **What we're building** In 2026, we're on the verge of an "infinite software crisis." How will we support, maintain, and operate the explosion in application development? *Our answer is Sazabi: the AI-native observability platform for fast-moving engineering teams.** Sazabi gives teams a single pl

*About The Role** You'll be the first security engineer at a company processing millions of sensitive data points across AI training pipelines, expert payments, and enterprise integrations. This is not a monitoring role. You'll build the systems that keep Mercor secure - writing detection logic, aut

Company Description VotalAI is a cutting-edge AI security company focused on safeguarding modern applications and AI systems against emerging threats. Our innovative platform integrates continuous adaptive red teaming, deep static application security testing, and real-time AI guardrails to secure t

Astranis builds advanced satellites for high orbits, expanding humanity’s reach into the solar system. Today, Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe— large enterprises, sovereign governments, and the US military. With five satellites

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive

About Retool Nearly every company in the world runs on custom software for critical operations like tracking performance metrics, handling customer support workflows, building admin dashboards, and countless other processes you might not have even thought of. But most companies don't have adequate r

*About Sift** At Sift, we’re redefining how modern machines are built, tested, and operated. Our platform provides engineers with real-time observability over high-frequency telemetry, eliminating bottlenecks and enabling faster, more reliable development. Sift was born from our work at SpaceX on Dr

Astranis builds advanced satellites for high orbits, expanding humanity's reach into the solar system. Today, Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe— large enterprises, sovereign governments, and the US military. With five satellites

*About Zettabyte** At *Zettabyte** , we’re building the infrastructure layer for the AI-first world. Our mission is to make AI compute *ubiquitous, seamless, and limitless** by operating a cloud where AI workloads run securely at massive scale— *anywhere, anytime** . We run a *multi-tenant GPU cloud

*Job Title: Security & Cryptography Engineer** *Location: San Francisco, CA (Hybrid)** *Employment: Contract** *Required Qualifications** 7+ years security, 3+ years cryptographic systems or key management Deep MPC knowledge: threshold signing (MPC-CMP, FROST) HSM, Intel SGX/TDX, TEE experience

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive

*About The Role** We are seeking a Senior Security Engineer to build and lead our Offensive Security program. In this role, you will attack Chime’s services, applications, and infrastructure to discover security issues and report them to our internal technology teams. This position will offer you th

Engineering · Full-time · San Francisco, New York Our mission is to automate coding. The first step in our journey is to build the best tool for professional programmers, using a combination of inventive research, design, and engineering. Our organization is very flat, and our team is small and tale

*Mechanics Bank** is currently searching for an *Application Security Engineer** to join our team. Here at Mechanics Bank, we value connection, partnership, long term relationships and working together in person. This role can work remote within the US. Under limited direction, the Application Secur

Tranzeal is an industry leading global Business Transformation Service Provider offering specific consulting services as well as prepackaged, industry specific solutions and services to companies around the world. Our Consulting Services are dedicated to helping our clients maximize their investment

*About The Company** World is building a real human network designed to accelerate people in the age of AI. As bots and autonomous agents reshape the internet, people, institutions, and applications need a trusted way to confirm who is a real human while preserving privacy. Our products make this po

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive

*This job is with Box, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.** *WHAT IS BOX?** Box (NYSE:BOX) is the leader in Intelligent Content Management. Our platform enables organizations to

*About Anthropic** Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working

*About The Role** As Comet continues to grow as a stand-alone product and codebase, we are seeking a Browser Security Engineer to lead and own browser-specific security initiatives, including custom Chromium development, extension security, and cross-device features. Browser/Chromium Security: Brows