Security Engineer LambdaSecurity EngineerSan Francisco, CaliforniaOur investors notably include TWG Global, US Innovative Technology Fund (USIT), Andra Capital, SGW, Andrej Karpathy, ARK Invest, Fincadia Advisors, G Squared, In-Q-Tel (IQT), KHK & Partners, NVIDIA, Pegatron, Supermicro, Wistron, Wiwynn, Gradient Ventures, Mercato Partners, SVB, 1517, and Crescent Cove. Over the next 12-18 months, you'll help deliver our 2026 security roadmap, expand detection coverage for AI-specific threats, help mature our incident response program, and ship security automation that other engineering teams adopt voluntarily.
Security Engineer HeygenSecurity EngineerSan Francisco, CAProduct & Infrastructure Security: Partner with engineering teams as an embedded security expert - writing code, reviewing architectures, and building secure application features and infrastructure components from the ground up. Trust & Safety Oversight: Provide high-level oversight for platform abuse and content moderation (in partnership with growth and avatar teams), and serve as the escalation point for IT security incidents.
Staff Information Security Engineer - Threat Defense & Automation ProofpointStaff Information Security Engineer - Threat Defense & AutomationSunnyvale, CA$187,700–$275,275 / yearAs a Staff-level engineer, you will operate as a subject matter expert and technical leader, partnering across SOC, Threat Intelligence, Detection Engineering, and Security Engineering to improve Proofpoint’s ability to detect, respond to, and proactively hunt advanced threats. Proofpoint has been honored with six Best Places to Work Awards in 2024 by workplace culture leader Comparably, including Best Company Career Growth, Best Company Outlook, Best Global Culture, Best Engineering Teams, Best Sales Teams, and Best HR Teams.
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.
Platform Security Engineer, Openbmc AnthropicPlatform Security Engineer, OpenbmcSan 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. Security and hardening: Own the BMC security posture: secure and measured boot, root of trust, attestation (SPDM), authenticated update (PLDM FW Update), rollback protection, attack-surface reduction.
Staff Software Development Engineer - Enterprise AI Infrastructure - #4898 GRAILStaff Software Development Engineer - Enterprise AI Infrastructure - #4898Menlo Park, CA$169,000–$224,000 / yearThe Staff Engineer partners closely with cross-functional stakeholders across Software Engineering, Data Science, Security, Regulatory Affairs, and Product to build a unified control plane that securely connects large language models with enterprise tools and company knowledge. We have built a multi-disciplinary organization of scientists, engineers, and physicians and we are using the power of next-generation sequencing (NGS), population-scale clinical studies, and state-of-the-art computer science and data science to overcome one of medicine’s greatest challenges.
Staff Software Engineer, Developer Experience Crusoe EnergyStaff Software Engineer, Developer ExperienceSan Francisco, CA$208,725–$253,000 / 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. Language & Version Control Mastery: Expertise in modern programming languages (specifically Go) and advanced proficiency in Git-based workflows (GitLab/GitHub).
Manager, Security Platform Engineering ProofpointManager, Security Platform EngineeringSan Francisco, CA$166,500–$244,200 / yearCandidates located in the Pacific or Mountain time zones are preferred , as this role includes leadership responsibilities for team members across the APJ (Asia Pacific & Japan) region and requires regular collaboration across global time zones to support business and team needs. Proofpoint has been honored with six Best Places to Work Awards in 2024 by workplace culture leader Comparably, including Best Company Career Growth, Best Company Outlook, Best Global Culture, Best Engineering Teams, Best Sales Teams, and Best HR Teams.
Senior Security Engineer, Platforms & AI Spinwheel Solutions Inc.Senior Security Engineer, Platforms & AIOakland, CARemoteAI Security & Emerging Threat Protection Secure AI-driven systems and automated agents against prompt injection, adversarial inputs, unauthorized or unintended actions, unsafe outputs, and data leakage. Vulnerability Management & Offensive Security Continuously identify, assess, prioritize, and remediate security vulnerabilities across infrastructure, applications, APIs, and operational systems.
Sr. Energy Storage Engineer SB EnergySr. Energy Storage EngineerRedwood City, CA$100,000–$140,000 / yearIn 2026, SoftBank Group and OpenAI announced a $1 billion investment to support SB Energy as their leading development and execution partner for data center campuses, while Ares Infrastructure continues its long-standing support of the company's growth. Energy Storage Engineer will provide subject matter expertise on Energy Storage design, optimization, final engineering, and construction permitting of utility-scale energy storage projects.
NewPrincipal Analog Mixed-Signal Design Engineer SiTime CorporationPrincipal Analog Mixed-Signal Design EngineerSanta Clara, CA$148,320–$203,940 / yearDetailed design and simulation of one or more of the following: Oscillators, ADCs, DACs, temperature sensors, Integer and Fractional-N PLLs, Digital PLLs, low-noise op-amps, regulators, bandgap circuits in CMOS or BiCMOS processes, subthreshold circuits and architecture. Collaborate with Digital Design Engineers, CAD, Systems Engineering, Test Engineering and Applications teams to ensure DFT, DFM features and achieve rapid silicon bring-up and time to production release.
Senior Security Engineer MetriportSenior Security EngineerSan Francisco, CaliforniaIn a nutshell, we're looking for a security engineer with the following specific qualities: You’re entrepreneurial-minded, with an olympian-level work ethic (nearly our entire engineering team consists of former founders). We've found product-market fit with multi-million ARR, 100+ customers (including Amazon One Medical, Strive Health, Circle Medical, and Brightside Health), backing from top VCs, and years of runway.
NewSecurity Engineer, Corporate Security AnthropicSecurity Engineer, Corporate SecuritySan Francisco, CAExtend device-trust and zero-trust access controls so company systems are reached from managed devices bound to the right person and carrying the right level of access, treating the experience of fellow employees as a design constraint rather than an afterthought. Hands-on endpoint security engineering on macOS, Windows, Linux, or ChromeOS, such as MDM and declarative device management profile engineering, application allowlisting or binary authorization, system extensions and endpoint security frameworks, or their platform equivalents.
Security Engineer, Application ServalSecurity Engineer, ApplicationSan Francisco, CaliforniaImprove security coverage and signal quality by building and tuning the automated tooling that catches issues early (SAST, DAST, SCA, secrets scanning, dependency and supply-chain controls, and CI/CD security gates) and by partnering with engineering to make findings reliable, actionable, and low-friction to fix. Build a security program capable of withstanding sophisticated adversaries, including by tackling the novel application-security challenges of agentic AI (prompt injection, unsafe tool use, data exfiltration, and abuse of autonomous actions) and by using Serval's own agents to solve frontier security problems.
NewCustomer Engineer SiTime CorporationCustomer EngineerSanta Clara, CA$124,920–$171,770 / yearOur semiconductor MEMS programmable solutions offer a rich feature set that enables customers to differentiate their products with higher performance, smaller size, lower power, and better reliability. In this role, you will act as a key technical liaison between our product development teams and our customers across the US and provide lab support for the Application CE team ensuring optimal integration, performance, and application of our semiconductor solutions.
Embedded Systems Security Engineer Artech LLCEmbedded Systems Security EngineerFoster City, CA$80–$97.80 / hourProduction Provisioning Support: Collaborate with manufacturing teams to write robust scripts and tools for burning permanent hardware configuration fuses (eFuses / OTP memory) securely, designing end-of-line (EOL) test software to validate security features before shipping. DevSecOps Automation: Build automated cryptographic signing pipelines within CI/CD infrastructure (e.g., GitLab CI, GitHub Actions) to securely sign bootloaders, kernels, and OTA payloads using HSMs or secure key vaults.
Lead Security & Infrastructure Engineer AnodizeLead Security & Infrastructure EngineerSan Francisco, CaliforniaFleet Management & Endpoint Security: Hands-on experience administering multi-OS environments (macOS, Linux, Windows) using open source tools like FleetDM to enforce security without sacrificing engineering velocity or creating systemic risk via centralization. IaC & Automation First: Strong system design and software development skills, plus hands-on experience using Infrastructure as Code (IaC) to build and manage security and infrastructure programmatically.
Substation Engineer III TRC Companies, Inc.Substation Engineer IIISan Francisco, California$141,000–$156,000 / yearFull timeFrom pipelines to power plants, roadways to reservoirs, schoolyards to security solutions, clients look to TRC for breakthrough thinking backed by the innovative follow-through of an industry leader. We recognize that the expertise of our staff is our strongest asset, so we generously reward employees for successful performance and invest in their careers through training and the development of new skills and certifications.
NewSr. Electrical Engineer MicrossSr. Electrical EngineerSan Jose, CAElectrical Design Engineer for high reliability DC-DC converters for Space and Military applications supports the development of new DC-DC converters. The Engineer is responsible for the design documentation, analyses and qualification of new DC-DC converters that will have a direct impact on meeting our product road map objectives.
Staff Corporate Security Engineer Harvey, Inc.Staff Corporate Security EngineerSan Francisco, CA$220,000–$330,000 / yearThis role joins Harvey's corporate security function, which secures the company's IT and business systems as Harvey grows rapidly, balancing risk with user experience while validating every assumption through threat modeling and real-world testing rather than relying on best practice alone. Familiarity with endpoint security for macOS and Windows environments, and experience with tools such as Okta, Google Workspace, Salesforce, Workday, NetSuite, Microsoft Entra/Azure/Intune, JAMF, Tines, or similar platforms.