Software Engineer, Security RaydarSoftware Engineer, SecuritySan Francisco, CA$250,000–$350,000Nice to have: Experience with TypeScript, Go, Rust, CockroachDB, Kafka, Terraform, Pulumi, Cloudflare, AWS WAF, PCI, SOC 2, incident response, detection engineering, threat modeling, or secure architecture reviews. Our client is building modern financial infrastructure for businesses, combining reliable banking with industry-specific software, payments, rewards, and intelligent financial workflows.
Senior Director, Security Engineering Ripple LabsSenior Director, Security EngineeringSan Francisco, CA$300,000–$360,000 / yearAs the Director of Security Engineering, you will be responsible for building and leading a dedicated, humble, and paranoid team of Security Engineers to secure Ripple's products, infrastructure, and corporate IT systems. Serve as a security domain expert, providing guidance and communicating security risks and concepts to senior leadership, engineering teams, and other partners.
Security Engineer Engineering San Francisco ESRhealthcare and EXEC STAFF RECRUITERSSecurity Engineer Engineering San FranciscoSan Francisco, CaliforniaYou'll work directly on the systems that secure our infrastructure, data, and products; designing secure-by-default primitives that scale with the company without slowing engineering down. Create paved-road security tooling that helps engineers ship securely by default.
Member Of Technical Staff, Security Engineer Magic AI Inc.Member Of Technical Staff, Security EngineerSan Francisco, CA$225,000–$550,000 / yearAbout the role: As a Security Engineer at Magic, you will build the software, automation, and infrastructure that protect our models, systems, and engineering organization from both traditional and frontier AI cyber threats. Modern models can autonomously discover vulnerabilities, chain exploits across multiple systems, manipulate agents through prompt injection, and escape "secure" containment.
NewNetwork Installer - TELECOM West PeratonNetwork Installer - TELECOM WestOakland, California$104,000–$166,000 / yearFull timeBy ensuring network reliability and rapidly resolving issues, you’ll play a critical role in maintaining the communications and technologies that keep aircraft moving safely across the nation’s airspace. You’ll ensure the reliability, performance, and security of IP-based networks that support air traffic operations—gaining valuable experience in federal programs while contributing to highly visible national initiatives.
Senior Product Security Engineer CrusoeSenior Product Security EngineerSan Francisco, CaliforniaWe're looking for problem-solving, opportunity-finding teammates with a sense of urgency, who believe in the scale of our ambition and thrive on a path not fully paved — people who want to grow their careers alongside a team of experts across energy, manufacturing, data center construction, and cloud services. Create reusable security patterns for product microservices, focusing on service-to-service authorization, API security, and multi-tenant data isolation that scales across product lines.
Embedded Software Engineer - Network Software AstranisEmbedded Software Engineer - Network SoftwareSan Francisco, CA$130,000–$175,000 / yearAs a Embedded Software Engineer on the Network Software team at Astranis, you will be responsible for assisting with architecture, high level design choices, development, execution, and implementation of the flight software that commands and monitors the spacecraft. Today, Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe- large enterprises, sovereign governments, and the US military.
Senior Platform Security Engineer - Contract to Hire FrontSenior Platform Security Engineer - Contract to HireSan Francisco, CaliforniaFront has received numerous Great Place to Work accolades, including Built In's 100 Best Midsize Places to Work in SF 2025 , Top Places to Work by USA Today 2025 , Y Combinator's list of Top Companies in 2023 , #4 on Fortune’s Best Workplaces in the Bay Area , Inc. Backed by Sequoia Capital and Salesforce Ventures, Front has raised $204M from leading venture capital firms and independent investors including top executives at Atlassian, Okta, Qualtrics, Zoom, and PagerDuty.
Security Engineer, Corporate ServalSecurity Engineer, CorporateSan Francisco, CaliforniaEmbed security into how the company works by design, partnering across IT, Engineering, and People teams so that secure defaults and paved roads are easier than the insecure alternative, and using Serval's own agents to automate corporate-security. Lead corporate network security, including rollout of certificate-based, port-level network access control (e.g., 802.1x) across offices, and partnering with Infrastructure Security on zero-trust / mesh network access policies and ACLs.
NewSenior Product Security Engineer Crusoe EnergySenior Product Security EngineerSan Francisco, CA$175,000–$215,000 / yearWe're looking for problem-solving, opportunity-finding teammates with a sense of urgency, who believe in the scale of our ambition and thrive on a path not fully paved - people who want to grow their careers alongside a team of experts across energy, manufacturing, data center construction, and cloud services. Create reusable security patterns for product microservices, focusing on service-to-service authorization, API security, and multi-tenant data isolation that scales across product lines.
Senior Software Security Engineer AnthropicSenior Software Security EngineerSan Francisco, CAThis research continues many of the directions our team worked on prior to Anthropic, including: GPT-3, Circuit-Based Interpretability, Multimodal Neurons, Scaling Laws, AI & Compute, Concrete Problems in AI Safety, and Learning from Human Preferences. Design and implement secure development frameworks and libraries that make secure coding the path of least resistance for our engineering teams, including service to service authentication, serialization libraries, and tool proxies.
Staff+ Software Security Engineer AnthropicStaff+ Software Security EngineerSan Francisco, CAThis research continues many of the directions our team worked on prior to Anthropic, including: GPT-3, Circuit-Based Interpretability, Multimodal Neurons, Scaling Laws, AI & Compute, Concrete Problems in AI Safety, and Learning from Human Preferences. We offer competitive compensation and benefits, optional equity donation matching, generous vacation and parental leave, flexible working hours, and a lovely office space in which to collaborate with colleagues.
Enterprise Security Engineer BenchlingEnterprise Security EngineerSan Francisco, CADemonstrated experience implementing zero trust architecture in practice - not just familiarity with the framework, but hands-on delivery of continuous verification, device trust integration, and least-privilege enforcement across an organization. Experience with ZTNA platforms (Cloudflare Access, Zscaler Private Access, Tailscale, or similar) and the operational patterns around replacing VPN with identity-aware access.
Senior Security Engineer - San Francisco PlaudSenior Security Engineer - San FranciscoSan Francisco, CaliforniaTime Off & Workplace Benefits Unlimited PTO, plus 13 paid holidays, 12 weeks of fully paid parental leave for all parents, a hybrid work model with a minimum of three in-office days per week, and access to high-quality office snacks, drinks, and equipment. Plaud is building the world's most trusted AI work companion for professionals to elevate productivity and performance through note-taking solutions, loved by over 1,500,000 users worldwide since 2023.
NewCorporate IT and Security Engineer RowspaceCorporate IT and Security EngineerSan Francisco, California$150,000–$200,000 / yearIn a typical week, you might deploy a new device-management policy, automate an onboarding workflow, improve our SSO configuration, harden an office network, resolve a security finding, collect SOC 2 evidence, respond to a customer security questionnaire, or help a team adopt a new AI tool safely. You’ll own the systems and controls that keep Rowspace secure and productive, from employee devices, identity, SaaS applications, and corporate networks to SOC 2 operations and security incident response.
Staff Software Engineer, Security Xoxo AiStaff Software Engineer, SecuritySan Francisco, CaliforniaHands-on experience securing web apps and APIs, especially auth flows, access control, secrets management, input validation, and data protection. Experience implementing sensitive data protection (encryption/key management, access controls, auditability) and compliance-aligned controls.
Software Engineer, Security Xoxo AiSoftware Engineer, SecuritySan Francisco, CaliforniaHands-on experience securing web apps and APIs, especially auth flows, access control, secrets management, input validation, and data protection. Experience implementing sensitive data protection (encryption/key management, access controls, auditability) and compliance-aligned controls.
Security Engineer JuiceboxSecurity EngineerSan Francisco, CaliforniaWe are on the path to $100M in ARR with 20%+ monthly growth , powering thousands of searches every day and making Juicebox one of the fastest-growing AI SaaS companies in the world. Teams at Ramp, Notion, and leading AI labs use Juicebox to power their hiring, alongside 5,000+ customers from early-stage startups to Fortune 500 companies.
Senior Platform Engineer, Security DoxelSenior Platform Engineer, SecuritySan Francisco, CaliforniaWork with DevOps team to build out golden paths that streamline developer and builder workflows streamlining and applying shift left security policies on CI/CD deployment, internal tooling, LLM, and data science workflows. Set and enforce AI-usage best practices, guardrails for agentic coding tools internally and Provide a security point of view on product AI/LLM features (prompt injection, data egress, model supply chain), in partnership with engineering leadership.
Staff Corporate Security Engineer CrusoeStaff Corporate Security EngineerSan Francisco, CaliforniaWe're looking for problem-solving, opportunity-finding teammates with a sense of urgency, who believe in the scale of our ambition and thrive on a path not fully paved — people who want to grow their careers alongside a team of experts across energy, manufacturing, data center construction, and cloud services. Leading the design and implementation of Zero Trust Network Access (ZTNA) and Secure Access Service Edge (SASE) architectures, replacing legacy VPNs with identity-aware, perimeter-less access models.