Source Job

• Lead a team of Attack and Full-Stack Engineers to design and scale offensive capabilities for the NodeZero platform.
• Drive external attack strategy across public-facing infrastructure, SaaS platforms, and enterprise software.
• Partner with Product and Design to translate field insights into productized capabilities and roadmap.

Horizon3.ai is a fast-growing, remote cybersecurity company focused on enabling organizations to proactively find, fix, and verify exploitable attack vectors before criminals exploit them. The team is a fusion of former U.S. Special Operations cyber operators and startup engineers, committed to a culture of respect, collaboration, and results.

• Design, build, and operate scalable infrastructure platforms for large-scale AI model training and inference.
• Manage and optimize GPU clusters, distributed training environments, and scheduling systems for machine learning applications.
• Develop software solutions and automation tools using Python and systems programming languages like Go or C++.

Our partner builds and operates foundational technology powering advanced AI training and inference workloads at scale. They offer a collaborative culture focused on innovation, engineering excellence, and continuous learning.

• Design and build the AI execution platform with event-triggered workflows and model-agnostic runtimes.
• Develop evaluation layers with golden test suites and safety checks to ensure AI reliability.
• Implement governance mechanisms and build AI agents supporting business workflows.

Jobgether is a platform that connects talent with opportunities using AI-powered matching. The company has a globally distributed team and a remote-first culture.

• 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.

• Design, build, and operate an AI-augmented red teaming harness using advanced LLM APIs for autonomous vulnerability discovery.
• Conduct adversarial testing across external, internal, and privileged perspectives, chaining and validating vulnerabilities.
• Collaborate with DevSecOps, SOC, and engineering teams to improve security automation and detection workflows.

This company provides a cloud-based platform for highly security-conscious organizations. It fosters a remote-first culture focused on innovation, ownership, and continuous learning.

• Own the architectural integrity of the product and stand behind every shipment.
• Take responsibility for code quality, security, and scalability across AI-generated code.
• Build hands-on with AI development tooling, moving at pilot pace and hardening for scale.

Instructure creates intuitive products that simplify learning and personal development. They are a public company with a culture focused on empowering smart, creative people to innovate.

• 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.

• Define and drive AI-forward product strategy for SpyCloud's investigations capabilities, enabling security teams to uncover, understand, and act on cybercriminal activity using intelligent, automated workflows.
• Partner closely with Engineering, Design, Data Science, and Go-to-Market teams to deliver innovative AI-driven features that help customers investigate threats faster and reduce manual effort.
• Own the product vision, strategy, and roadmap for the AI-powered Investigations product portfolio, balancing long-term vision with customer needs and business priorities.

SpyCloud transforms recaptured darknet data to disrupt cybercrime, offering automated identity threat protection solutions that use advanced analytics and AI to accelerate investigations and protect identities. Headquartered in Austin, TX, SpyCloud employs over 250 cybersecurity experts focused on protecting businesses and consumers from stolen identity data.

• Lead the go-to-market strategy for NodeZero WebApp Pentesting, driving market dominance in the AppSec space.
• Own competitive positioning and content creation, dismantling legacy DAST and AI wrappers.
• Partner with product and engineering to translate technical capabilities into high-impact narratives.

Horizon3.ai is a fast-growing cybersecurity company that provides autonomous pentesting via its NodeZero platform to help organizations proactively find and fix vulnerabilities. The remote team, composed of former special operators and engineers, fosters a culture of respect, collaboration, and results.

• Lead application and product security across Forward-built, third-party, and AI-built software.
• Evolve the pentest program and proactively build AI solutions within the appsec function.
• Own remediation workflows and partner with teams to build controls for external exposure.

Forward Financing is a financial technology company that unlocks capital for small businesses across America. They are a recognized Best Place to Work with a remote-first culture and team members across the US, Canada, and Dominican Republic.

• Design, build, and operate AI security runtime controls across cloud platforms.
• Develop and maintain security solutions for AI interactions, LLMs, and agent workflows.
• Act as senior escalation point for complex AI security incidents.

• Design, build, deploy, and maintain production LLM-based solutions and agent workflows.
• Lead high-complexity, cross-functional AI initiatives from ambiguous problem definition through production adoption.
• Partner with Cybersecurity and Compliance to design PHI-safe data handling patterns and ensure AI solutions align with relevant controls.

Included Health is a healthcare company delivering integrated virtual care and navigation, breaking down barriers to provide high-quality care for every person. They have a remote-first culture and are an Equal Opportunity Employer.

• Lead a high-performing AI and data science team to develop and deploy AI-driven security systems.
• Define and execute the technical roadmap for AI, ML, and data systems, ensuring robust performance and scalability.
• Manage the entire lifecycle of data pipelines and AI models, integrating with platforms like AWS Bedrock and OpenAI.

Bugcrowd is a crowdsourced security platform that unites organizations with a global network of hackers to identify vulnerabilities. The company is backed by prominent investors and fosters a collaborative, inclusive culture with a diverse team of professionals.

• Build and maintain internal tools and automation systems to improve support operations.
• Develop AI-assisted workflows for issue resolution and triage.
• Collaborate with support and product teams to transform customer challenges into scalable improvements.

This company provides scalable engineering solutions for customer support. It operates in a high-growth technology environment with a distributed team.

• Own our approach to AI and agentic security: guardrails for agentic access to cloud and data, and the security of AI/ML workloads.
• Own our detection platform (Panther): detection strategy and coverage across cloud, container, and SaaS log sources.
• Act as the senior security resource across cloud security and security reviews, mentoring teammates.

SmarterDx is a clinical AI platform that helps health systems capture revenue and improve quality metrics using clinically-validated EHR data. The company is a remote-first team with a small, collaborative engineering culture focused on making healthcare more accurate and effective.

• Lead Application Security initiatives across HighLevel's products and engineering teams.
• Conduct architecture reviews, threat modeling, and security assessments for web, mobile, and API applications.
• Drive DevSecOps practices by automating security in CI/CD pipelines and managing security tooling.

HighLevel is an AI-powered, all-in-one white-label sales and marketing platform that empowers agencies and businesses to grow their digital presence. With over 1,500 team members across 15+ countries, we operate in a global, remote-first environment with a culture rooted in creativity, collaboration, and impact.

• Ship the agent platform to production: event-triggered queue, model-agnostic runtime, durable state, human review gate, atomic rollback, and complete run logging.
• Own the evaluation layer with golden suites, behavioral assertions, safety cases, and a CI gate that blocks regressions before merging.
• Enforce governance in code: risk tiers, least-privilege credentials, permission gates, audit log, and autonomy classes where dangerous actions are structurally impossible.

Supabase is the Postgres development platform providing a complete backend solution including Database, Auth, Storage, Edge Functions, Realtime, and Vector Search. With ~400 team members across 60+ countries, we are a born-remote, open-source-first company that builds tools developers love.

• Identify innovative ways to detect Windows OS threats and develop cross-platform features leveraging telemetry from OS subsystems.
• Collaborate with Product, Engineering, and Security teams to implement detection logic and address gaps in product coverage.
• Apply AI to improve research quality and speed, and mentor team members to advance technical expertise.

Huntress is a cybersecurity company founded by former NSA operators that provides enterprise-grade cybersecurity to businesses of all sizes. They are a remote-first team securing over 5 million endpoints and 11 million identities, with a culture focused on collaboration and making a meaningful impact.

• Deliver AI red teaming security assessments for enterprise clients, defining scopes and authoring detailed reports.
• Build and improve frameworks and tooling to scale AI red teaming service delivery and automate repetitive tasks.
• Develop novel red teaming methodologies for emerging AI modalities and stay ahead of the latest AI security threats.

Check Point protects over 100,000 organizations worldwide from cyber and AI-driven threats using a prevention-first approach. They are recognized by TIME, Newsweek, and Forbes for excellence and workplace culture.

• Evolving the AI knowledge platform with retrieval, indexing, and synthesis for organization-wide use.
• Architecting and operating agentic infrastructure on AWS with cost guardrails and observability.
• Partnering with product engineering to define the AI platform API surface and building reference agent implementations.

ShiftKey is a healthcare workforce marketplace that connects facilities with licensed professionals to fill shifts, addressing staffing shortages. The company fosters an inclusive and collaborative culture, valuing diverse perspectives.