Set technical direction: identify promising verification problems and approaches, decide which bets are worth pursuing, and steer projects from idea through prototype.
Build and prototype: work across problems such as algorithms for recomputing AI workloads, ML engineering for inference pipelines, frontend engineering for demonstrations, and cybersecurity analysis of verification designs.
Build the team: manage and coach engineers, help set areas of specialization, and grow SASH's in-house verification capabilities.
Singapore AI Safety Hub (SASH) is launching the first international collaboration to develop globally trusted verification mechanisms for AI datacenters. SASH is a young, fast-moving organization with a small core team and international partners, offering substantial autonomy and a culture of making things happen.
Own the technical direction, architecture, and execution of HiddenLayer’s AI Attack Simulation product.
Partner with Product and Security Research to define product strategy and translate adversarial AI techniques into scalable capabilities.
Design and build agentic workflows, tool integrations, and evaluation frameworks while mentoring engineers.
HiddenLayer protects the world’s most valuable technologies from adversarial AI attacks. They are a venture-backed startup with a remote global team, recognized for innovation and committed to diversity and inclusion.
Act as the primary security partner for the Walrus team, providing architectural guidance and embedding security practices throughout the development lifecycle.
Lead security assessments for new features and contribute to ecosystem-wide security initiatives, identifying systemic risks and actionable remediation plans.
Drive a security-by-design culture, leveraging AI and automation to focus on high-impact, complex security research and mentor engineers.
Mysten Labs builds foundational infrastructure to accelerate the adoption of decentralized protocols based on blockchain technologies. They are a well-funded, remote-first team with over $300M in Series B funding from top venture firms, fostering a culture of innovation and growth.
North America
Unlimited PTO
12w maternity
8w paternity
Lead state-of-the-art research and development in AI/ML, advanced statistical modeling, and applied mathematics to solve security problems.
Develop novel AI workflows and models to address Ent's security challenges, incorporating and advancing current SOTA approaches.
Collaborate with the team to invent frameworks and theoretical grounding while thinking outside the box to combine multiple techniques.
Ent is an intent-aware workspace security platform that secures human and AI-driven work by understanding intent and intervening at the moment of risk. Founded by former RiskIQ co-founders, backed by leading VCs, and in production with Global 2000 customers, the company values a customer-first, humble, and urgent culture.
Design and ship security workflows combining deterministic analysis with LLM reasoning to find real vulnerabilities across languages and frameworks.
Engineer agentic pipelines and prompts that are precise, cost-aware, and trustworthy for security-critical work.
Push on hard problems in automated triage and validation to close the gap between finding and actionable fix.
Semgrep is a code security platform that helps teams catch and fix vulnerabilities before they ship. They are a venture-backed startup with a transparent culture that values respect and honesty.
Build AI agents, workflows, and automations that solve real customer and operations problems.
Apply LLMs, retrieval, and tool calling to practical financial workflows.
Create AI-assisted experiences for onboarding, support, KYC, and risk review.
We are the leading insurance platform in Southeast Asia, helping people plan, save, and grow their money. With over 20 nationalities working remotely and from offices, we are expanding to offer spending, saving, investing, and more.
Work directly with federal and national-security customers to understand mission workflows and operational constraints.
Build and deploy AI-enabled applications and automation in secure customer environments.
Own delivery from prototype through production, including architecture, backend services, and customer acceptance.
Red Cell Partners is an incubation firm building and investing in rapidly scalable technology-led companies in healthcare, cyber, and national security. The team is united by a shared sense of duty and deep belief in the power of innovation.
Build the data and model layer for an AI-enabled decision-support system, including ingestion, record matching, scoring, and generation.
Implement probabilistic matching, calibration, and retrieval-augmented generation in a controlled environment.
Ensure traceability, audit trails, and documentation for all data and model outputs.
DEFCON AI leverages AI, mathematical optimization, and data analytics for resilient optimization of complex systems. The team operates in a fully remote, results-based environment with a focus on innovation and collaboration.
Take ownership of protecting product, users, and collaborators as a Security Engineer on a fast-growing AI dating platform.
Perform weekly code reviews, coordinate security audits, and maintain risk register to ensure safety of AI-generated content.
Monitor emerging AI security threats, manage IT access and device security, and run phishing simulations company-wide.
EverAI builds the world's largest AI companionship platform, redefining relationships for millions with a proprietary moderation system, EverGuard. With 50 million users in two years, the team of about 100 is enthusiastic, passionate, and hardworking, led by experienced entrepreneurs.