Source Job

• Own cloud and platform security end to end across AWS and Azure, including architecture, detection, and response.
• Build self-serve security tooling and guardrails to replace manual processes and reduce risk.
• Partner with engineering teams to embed security into CI/CD pipelines and product development.

Ada is an AI customer service platform that enables enterprise companies to deliver instant, proactive, and personalized customer experiences. Established in 2016, the Canadian company has powered over 5.5 billion interactions for brands like Square and YETI, backed by over $250M in funding from top-tier investors.

• Drive AI security innovation and strategy, ensuring secure AI adoption across the platform and internal productivity initiatives.
• Implement AI guardrails and defenses against AI-based threats, while leveraging AI for security benefits.
• Lead security initiatives, architect solutions, and mentor engineers to elevate the overall security posture.

Addepar is a global data and AI platform that empowers investment professionals to turn complex financial information into actionable intelligence. The company serves over 1,400 firms in nearly 60 countries and manages nearly $9 trillion in assets, with offices worldwide.

• 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.

• Lead threat modeling and security architecture reviews with engineering teams by translating security risks into concrete development actions.
• Architect, build, and maintain security tooling and integrations that make secure development the default in our CI/CD pipelines.
• Design and deploy automated security testing to identify vulnerabilities early in the development process.

Abnormal Security protects the humans behind the world's most critical organizations from AI-powered cybercrime. More than 4,500 enterprises trust its behavioral AI platform.

• 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 security architecture across AWS and colocation, defining secure patterns and controls.
• Partner with engineering teams to threat model, review designs, and promote secure-by-design.
• Develop automated security tooling and guardrails using infrastructure-as-code and AI-assisted workflows.

NMI enables partners with choice, challenging the one-size-fits-all approach to payments. We're a global company with a remote-first culture, fostering diversity and inclusion through initiatives like affinity groups and DEI action teams.

• Partner with engineering teams to review cloud and compute architecture design changes.
• Establish threat models for cloud and compute paved roads to identify security risks.
• Write code for automations that support security requirements like threat detection and incident containment.

Quora operates two platforms: a global knowledge sharing platform with over 300 million monthly unique visitors, and Poe, a platform for AI language models. The company is remote-first with a culture rooted in transparency, idea-sharing, and experimentation.

• Lead secure design reviews, threat modeling, and risk assessments for AI-driven products and APIs.
• Embed security practices throughout the software and AI development lifecycle.
• Architect and enforce security controls for AI/ML systems and cloud-native infrastructure.

AlphaSense provides AI-driven market intelligence and search platform trusted by over 6,000 enterprise customers. Founded in 2011, the company has more than 2,000 employees globally with offices in multiple countries.

• Design and implement security controls across Mable's platform, applications, and infrastructure
• Embed security into the software development lifecycle through design reviews, threat modeling, and code reviews
• Lead vulnerability assessments and coordinate remediation efforts across engineering teams

Mable is one of Australia's leading healthtech platforms connecting people with disability and older Australians with independent support workers. With over 25 million hours of support facilitated since 2014, they have been recognized on AFR's Top 100 and Deloitte Tech Fast 50, fostering a purpose-driven and dynamic team environment.

• Define the strategic direction and security frameworks for AI systems at scale.
• Lead research into emerging AI threats and drive threat modeling.
• Serve as the technical authority for AI security across Canva.

Canva is a design platform that empowers the world to design. We have campuses in Sydney, Melbourne, and other Australian cities, with a culture that trusts our Canvanauts to choose the balance that empowers them.

• Execute formal SCA/R duties and lead security assessment efforts.
• Establish reusable security playbooks and assessment frameworks for rapid AI deployment.
• Evaluate technical control effectiveness across AWS cloud, DevSecOps pipelines, and AI/LLM stacks.

Dark Wolf Solutions specializes in cybersecurity engineering, cloud architecture, and DevSecOps prototyping for high-priority projects, including AI/LLM technologies. The company is an EEO/AA employer and focuses on fast-paced, collaborative environments.

• Own production security across a multi-cloud footprint (AWS, GCP, Azure, Vercel) and secure multi-tenant SaaS, dedicated VPC, and air-gapped deployments.
• Secure the Hermes Agent platform with sandboxing, kernel-level isolation, and agent identity controls, and lead SOC 2 compliance.
• Harden identity management, vulnerability management, incident response, and secure software development lifecycle practices.

Nous Research builds open-source AI language models and agents, including Hermes Agent, used by consumers and Fortune 500 enterprises across various deployment environments. The company is a fast-growing startup with a high-velocity, open-source-native engineering culture that values security and pragmatism.

• Build agent-driven workflows for cloud security platforms like FedRAMP High Cloud-Native SIEM and Tier 1 Agentic SOC.
• Develop autonomous AI tools including triage, investigation, and reporting agents using agentic AI frameworks.
• Translate complex systems requirements into production-ready AI solutions following AWS Well-Architected and NIST security controls.

First Due provides transformative, end-to-end software solutions for fire and EMS agencies to improve safety and effectiveness. The company offers a comprehensive benefits package and promotes a fully remote, inclusive work environment.

• Lead investigation and response for security incidents, suspicious activity, and emerging threats.
• Design, implement, and improve security monitoring, detection, and response capabilities across AWS.
• Develop detection rules, conduct post-incident reviews, and partner with teams to strengthen security controls.

CoLab is an AI platform that helps mechanical engineering teams bring life-changing products to market faster by driving stronger engineering decisions. Founded in 2019 and based in St. John's, Newfoundland, CoLab has grown rapidly, earning recognition on Deloitte's Fast 50 and Fast 500 lists.

• 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.

• Review system designs and implementations to identify security issues and align with best practices.
• Develop cloud security architecture and implement automated security testing tools.
• Promote DevSecOps principles through CI pipeline integration and Infrastructure as Code scanning.

Iterable is the leading AI-powered customer engagement platform that helps brands like Redfin and SeatGeek create dynamic experiences. With nearly 1,200 clients globally and a diverse workforce, we foster a culture of innovation and inclusion, recognized as one of Inc's Best Workplaces.

• Own the vision, strategy, and roadmap for AI Security Governance across five control pillars.
• Architect and deploy hands-on security controls for AI detection, data protection, and agent permissions.
• Drive AI-automated workflows and author risk narratives for CISO, board, and Audit Committee audiences.

ServiceNow is the AI control tower for business reinvention, helping 85% of the Fortune 500 work smarter. The company fosters an AI-native culture where technology and talent are unstoppable together.

• Partner with engineering teams to perform security reviews, threat modeling, and risk assessments for product features and APIs.
• Develop and maintain scalable security tools and automation pipelines for vulnerability detection across the SDLC.
• Contribute to security architecture reviews and support bug bounty programs and incident response.

Lime is a global leader in micromobility on a mission to make transportation shared, affordable, and carbon-free. A Time Magazine 100 Most Influential Company, Lime has powered over a billion rides in 30 countries and is a fast-paced, lean, remote-first team.

• Design and enforce least-privilege IAM architectures, network segmentation, and cloud security controls across multiple AWS accounts.
• Build automated detection and response pipelines using AI tools for fast, actionable remediation.
• Own vulnerability management, HIPAA compliance, and lead cross-functional security initiatives.

Chamber Cardio is rebuilding the cardiology system to focus on outcomes, partnering with independent cardiologists with technology, data, and operational tools. They are a mission-driven team combining clinical expertise, design, and a modern operating platform, with a culture of low ego, empathy, courage, ownership, and grit.

• Establish secure by design standards and target state security architecture across product development, covering threat modeling, secure design review, and vulnerability management.
• Build a formal vulnerability management program encompassing traditional and AI-specific threats like prompt injection, model manipulation, and data exfiltration.
• Provide senior technical leadership and build trusted partnerships across Product, Engineering, and Security teams.

Semperis is a cybersecurity company on a mission to be a Force for Good, protecting identity and data. We are one of America's fastest-growing cybersecurity companies and have been recognized as a top workplace.