Lead security assessments of AI/ML models, data pipelines, and AI-enabled applications, identifying vulnerabilities such as prompt injection, model inversion, data poisoning, and adversarial inputs.
Partner with Data & Analytics and Engineering to embed security requirements and threat modeling into the AI development lifecycle, from data collection through model deployment.
Build and maintain guardrails, monitoring, and detection controls for AI systems in production, flagging anomalous model behavior and unauthorized data access.
Act as the bridge between architectural intent and operational reality, mediating conflicts between security requirements and feasible implementation.
Implement preventive, default-on security controls across cloud and enterprise environments, codified as policy- and infrastructure-as-code.
Define and enforce security requirements for AI-powered features, including model access controls, prompt-injection mitigations, and output validation.
Rithum is the world's most trusted commerce network, accelerating how brands, suppliers, and retailers work together to deliver seamless e-commerce experiences. More than 40,000 companies trust Rithum to grow their business across hundreds of channels, representing over $50 billion in annual GMV.
Lead the security design, implementation, and controls for Jasper’s AI infrastructure and AI-powered internal workflows.
Own threat modeling for AI-specific risks and design controls for validating, logging, and auditing AI outputs.
Build security tooling and automated checks to let internal teams adopt AI capabilities without slowing down.
Jasper is the marketing agents platform that helps enterprises orchestrate AI agents for marketing execution. Founded in 2021, Jasper has team members across the U.S., Australia, and France, and is trusted by hundreds of enterprises including nearly 20% of the Fortune 500.
Design and implement layered AI guardrails and sandboxing to constrain AI behavior and secure enterprise workflows.
Partner with users to bake secure-by-default patterns into AI-assisted workflows and maintain an inventory of AI-to-service connections.
Continuously test guardrails through red-teaming and evaluate new AI tools to find secure ways to enable adoption.
Waabi, founded by AI visionary Raquel Urtasun, is the leader in Physical AI, developing autonomous transportation technology for commercial trucks and robotaxis. Backed by world leaders in AI and automotive, the company has offices in Toronto, San Francisco, Dallas, and Pittsburgh and is growing quickly with a diverse, innovative team.
Lead Affirm's enterprise AI security review process, evaluating architecture, data flows, and design of AI tools and agentic systems.
Threat model AI/LLM systems for risks like prompt injection, insecure output handling, and data poisoning, and drive remediation.
Build security guardrails, tooling, and policy-as-code to automate AI security and support cross-functional initiatives.
Affirm is a financial technology company that offers clear, predictable point-of-sale installment loans with no hidden fees. The company is remote-first and values transparency, care, and flexibility, with a focus on building a diverse and inclusive team.
Shape AI security at the edge by turning new threats into protections customers can use.
Think like an attacker to find new ways AI systems can be exploited and stop them.
Build for real time, catching threats without slowing down the applications we protect.
bunny.net is a content delivery network and edge computing company that accelerates the internet. Founded in 2015, the company has 95+ employees and fosters a culture of ownership, improvement, and challenging what's possible.
Lead the development and optimization of machine learning models to detect and prevent AI security risks like prompt injection and jailbreaks.
Build reproducible training and evaluation pipelines on Reddit's ML platform, partnering with platform engineers to improve performance and reliability.
Set the technical vision and multi-quarter modeling roadmap, mentoring engineers and establishing best practices for responsible ML development.
Reddit is a community of communities, built on shared interests and authentic conversations, with 100,000+ active communities and 130 million daily active visitors. It is one of the internet's largest sources of information, fostering a culture of openness and trust.
Own application and product security: threat modeling, secure design review, and secure code review for a member-facing healthcare app.
Build and secure the AI-native agentic SDLC with security gates and controls for AI-generated code.
Manage security architecture across AWS environment, identity and access management, and third-party vendor integrations.
Oshi Health is on a mission to eliminate the impact of digestive health conditions through innovative GI care, operating a virtual-first platform. As a fully remote, SaaS- and cloud-native healthcare company, they foster a culture that thrives on diversity, with monthly DEIB discussions, and emphasize core values like owning the outcome and doing the right thing.
Embed security into the software development lifecycle through threat modeling, secure design reviews, and secure-coding guidance that engineers actually adopt.
Own application security testing (code review, SAST/DAST, and triage) and drive issues to remediation, not just filing them.
Harden the software supply chain, build and automate security tooling, and serve as the internal security SME on product and workflow decisions.
Cogent is an Applied AI Lab building the next generation of AI agents for cybersecurity, using AI to assess petabytes of enterprise data and remediate critical breaches. We're backed by Greylock, have experienced rapid growth, and our team includes top minds from Stanford, Deepmind, and leading tech companies.
Lead AI/ML strategy, architecture, and technical implementation across complex programs.
Design, develop, and deploy scalable AI/ML models and intelligent systems for decision support and automation.
Integrate cybersecurity, data governance, and compliance into AI/ML development workflows.
This company specializes in AI and machine learning solutions, focusing on secure, scalable production deployments. It fosters a collaborative culture with opportunities to work on advanced technologies and mentor others.
Lead security reviews of architecture, code, and security-sensitive changes.
Secure AI-powered products against prompt injection, unsafe tool use, and tenant isolation risks.
Threat model new capabilities and build scalable guardrails that reduce recurring risks.
Cohere is a security-first enterprise AI company building foundation models and products for business. It is a global team of researchers, engineers, and designers headquartered in Toronto with offices worldwide.
United StatesCanadaDominican Republic
Unlimited PTO
Conduct manual penetration tests against core systems and AI systems, and build AI-assisted tooling to extend testing coverage.
Help define how we pentest AI, including LLM applications, agents, and agent-generated code.
Triage findings from SAST tools, fix vulnerabilities, and tune rules to reduce false positives.
Forward Financing is a fintech company that unlocks capital for small businesses across America. Since 2012, they have provided over $4.8 billion in funding to more than 92,000 small businesses and are recognized as a Best Place to Work.
Shape the Cogent product at the frontier of AI and cybersecurity, working hand-in-hand with ML engineers.
Build the world's first AI-native cybersecurity organization, extending security posture and incident response.
Educate the market and elevate the industry through thought leadership and customer partnerships.
Cogent is an applied AI lab building next-generation AI agents for cybersecurity. The company is a rapidly growing startup backed by Greylock, with a team of experts from top universities and companies, fostering a culture of cutting-edge research and real-world execution.
Conduct threat modelling sessions using STRIDE with product and engineering teams, focusing on clinical safety, abuse, and business-logic threats.
Own and evolve the Secure by Design process, including self-evaluation screening, secure design review, and automated tooling against technical artefacts.
Perform automated application and API penetration testing against web, mobile backends, cloud-native services, and AI features, and lead third-party penetration engagements.
Numan is a digital health platform founded in 2018 that integrates diagnostics, medication, supplements, digital programmes, and doctor consultations to empower people to take control of their health. They are a 300+ person team distributed globally, guided by values of patient focus, learning, quality, collaboration, and care.
Define and execute the strategic roadmap for AI-driven security services, threat intelligence, and security automation.
Design AI-powered security architectures spanning detection, investigation, response, remediation, and managed service workflows.
Build intelligent threat intelligence and research platforms capable of collecting, correlating, enriching, and analyzing information from diverse sources.
Our partner is a company focused on transforming cybersecurity through AI, automation, and intelligent security operations. They offer a work environment with opportunity to work on challenging, high-impact AI and cybersecurity initiatives alongside experienced professionals.
Lead a high-impact engineering team to reimagine cybersecurity through AI-native products and capabilities.
Drive zero-to-one innovation, translating emerging AI technologies into prototypes and production-grade solutions.
Define the technical vision for AI-native security solutions leveraging frontier models and advanced ML techniques.
ServiceNow is the AI control tower for business reinvention, helping 85% of the Fortune 500 work smarter with an AI platform. They are building an AI-native culture with a large, innovative team focused on continuous improvement.
Own and manage the overall security posture across cloud, applications, and corporate systems.
Build and maintain AI-powered security agents that aggregate, analyze, and prioritize security threats.
Lead incident response activities and partner with engineering teams to embed security into development processes.
PartsBase Inc. is the world's largest online Aviation Marketplace and Community. Our global community comprises over 6,500 companies in 140+ countries, and we foster a team-focused, inclusive culture where everyone's contributions are valued.
Design, build, and improve production agentic AI systems used to solve complex real-world problems.
Develop agent architectures, model integrations, and evaluation frameworks for reliable, production-grade AI.
Build scalable APIs, services, and infrastructure supporting agent execution and AI-powered product experiences.
Air is the leader in Enterprise Readiness, providing an AI-native platform to align development, production, delivery, and sustainment for government agencies and industrial suppliers. The company is a startup with a focus on mission-driven work and innovation.
Deliver Application Security services including assessments, threat modeling, and source code reviews for web, mobile, AI, and thick client applications.
Perform AI/LLM and agentic security assessments, including prompt injection, model bypass, and tool-calling exploitation, mapped to OWASP Top 10 for LLM and Agentic Applications.
Build and extend AI-driven tooling and automation harnesses to improve testing coverage, consistency, and efficiency.
GuidePoint Security provides trusted cybersecurity expertise, solutions, and services to help organizations make better decisions and minimize risk. With over 1,300 employees, it is a rapidly growing, profitable, privately-held value added reseller focused exclusively on information security.
Design the conceptual architecture of the prototype (PoC) and its evolution path to a scalable capability.
Ensure secure integration with existing corporate systems (CRM, data platforms, LLM gateway) and apply open standards for agent orchestration (MCP, A2A).
Guarantee data security and compliance (PII masking, access control, audit) and estimate inference cost for scale decisions (FinOps).
CI&T helps large companies transform AI potential into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience and 8,000 employees across 25+ countries, they collaborate to build impactful solutions.
Design, build, deploy, and manage secure and scalable generative AI solutions using AWS services.
Enable technical users with guidance and support for AI service usage, ensuring security and compliance.
Collaborate with IT and information security teams to implement robust controls and monitor AI deployments.
GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make better decisions and minimize risk. With over 1,300 employees and partnerships with leading security vendors, we serve as a trusted advisor to more than 6,200 customers and foster a collaborative culture.