Lead and mentor an internal red team, establishing scalable offensive security practices.
Conduct advanced penetration testing and adversarial simulations across cloud infrastructure and AI environments.
Research emerging attack techniques and collaborate with detection teams during purple team exercises.
They operate a cutting-edge cloud platform that supports advanced AI workloads. The company is remote-first, emphasizes innovation and continuous improvement, and has a collaborative international team.
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.
Perform full-stack penetration testing of web applications, APIs, and mobile apps.
Conduct internal/external network audits and vulnerability validation.
Develop custom exploits, adversary emulation, and AI/LLM security testing.
Twilio is shaping the future of communications by delivering innovative solutions to hundreds of thousands of businesses and empowering millions of developers worldwide. The company values a remote-first work culture, global inclusion, and diverse experiences.
Lead the security research function by defining methodologies and best practices for identifying cloud and application security threats.
Conduct advanced vulnerability research and collaborate with engineering teams to translate findings into product features.
Publish high-quality technical content and establish thought leadership in the cybersecurity community.
The company is a cybersecurity vendor that develops AI-powered security solutions. It is a fast-growing, remote-first organization with a collaborative culture emphasizing technical excellence and continuous learning.
You will lead Ajaib's offensive security program and take a hands-on role in testing the resilience of our technology.
You will design and execute penetration tests, red-team exercises, and security assessments across mobile apps, APIs, cloud, and corporate environments.
You will partner with engineering and security teams to validate remediation and provide clear guidance to reduce risk without slowing delivery.
Ajaib is an Indonesian investment platform helping people access and manage investments across stocks, crypto, and US stocks. As a growing fintech company, we are committed to protecting our customers, products, and technology to maintain trust.
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.
Partner with engineering, product, and DevOps teams to integrate security practices throughout the SDLC, focusing on cloud-native environments and automated pipelines.
Design, implement, and maintain security tooling and gates within CI/CD pipelines covering SAST, DAST, SCA, secrets detection, and container scanning.
Lead threat modeling, conduct application security assessments including code review and manual penetration testing, and triage bug bounty reports.
Hyland is the pioneer of the Content Innovation Cloud, delivering ubiquitous enterprise intelligence to organizations. With a team of nearly 4,000 employees, the company fosters an employee-centric culture focused on community impact and innovation.
Own end-to-end technical execution for strategic customer and partner engagements, including discovery, infrastructure design, implementation, and production deployment.
Design and build cloud infrastructure supporting advanced AI workloads, including simulation, training, evaluation, inference, and large-scale batch processing.
Improve platform reliability, security, performance, and cost efficiency by debugging issues across application, network, storage, compute, and orchestration layers.
The partner company is building the infrastructure foundation for next-generation AI applications and physical AI workloads. The engineering team is pioneering and values ownership, technical excellence, and solving challenging engineering problems at scale.
Lead threat modeling, architecture reviews, and code reviews for web applications, APIs, and microservices.
Actively develop and commit code to fix security flaws in Python, Go, or JavaScript/TypeScript codebases.
Implement and manage security testing tools within CI/CD pipelines to catch vulnerabilities early in the SDLC.
RunPod is the AI Developer Cloud, providing a platform for developers to experiment, train, fine-tune, deploy, and scale AI. We are a small, remote-first team that has processed over 20 billion inference requests and closed a $100M Series A in June 2026.
Triage, validate, and remediate security vulnerabilities across products, infrastructure, and internal systems.
Develop, maintain, and contribute to internal and open-source security tooling, writing production-grade code.
Improve secure development practices through code reviews, threat modeling, and security design reviews.
Tiger Data provides the fastest PostgreSQL platform for transactional, analytical, and agentic workloads. With over 2,000 customers and 3 million active databases, it is a remote-first team backed by $180 million in funding.
Lead security initiatives across infrastructure, applications, cloud, and enterprise deployments to ensure a strong security posture.
Conduct penetration testing, vulnerability assessments, and security reviews to proactively identify and mitigate risks.
Collaborate with engineering, DevOps, and machine learning teams to embed security best practices into products and processes.
The company develops innovative AI-driven products for highly regulated environments. They operate with a startup culture, emphasizing collaboration, autonomy, and continuous improvement.
Lead bug bounty program strategy and vulnerability management initiatives.
Collaborate with engineering and security teams to drive remediation efforts.
Conduct code reviews and develop security tooling to improve efficiency.
This company operates a global technology platform. It values security, collaboration, and continuous learning, with a team dedicated to protecting user privacy and safety.
Perform Red Team engagements including stealth and purple teaming to simulate advanced cyber attacks and test security posture.
Collaborate with blue team members in real time to identify and address security gaps, and document findings for technical and executive audiences.
Stay current on attack vectors, develop new tools and techniques, and provide technical leadership to junior team members.
NBCUniversal is a leading media and entertainment company, creating world-class content across film, television, streaming, and theme parks. As a subsidiary of Comcast, we employ a global workforce and foster an inclusive culture focused on innovation and community.
Monitor and investigate security alerts in AWS infrastructure, respond to incidents affecting the product platform.
Automate security operations using Python or Go, and configure tools like WAF, GuardDuty, and Security Hub.
Collaborate with engineering teams to prioritize vulnerabilities, conduct threat modeling, and guide secure coding practices.
Tripadvisor connects global travelers to experiences worth sharing through its brands, technology, and marketplaces. As a publicly traded company with a portfolio including Viator and TheFork, it fosters a culture of collaboration, trust, and remote-friendly flexibility.
Develop and enhance abuse prevention systems and detection rules to protect against evolving threats.
Build and maintain internal security platforms using Ruby on Rails and integrate AI-powered security capabilities.
Collaborate with cross-functional teams to implement security improvements and support incident response activities.
The hiring partner is a technology company that operates a large-scale software platform and prioritizes security and trust. The organization supports a fully remote workforce and emphasizes collaboration and professional growth.
United States
Unlimited PTO
12w maternity
12w paternity
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.
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.
Design, build, and operate an AI-augmented red teaming harness using frontier LLM APIs.
Conduct adversarial testing across four attack perspectives to discover and chain vulnerabilities.
Assume ownership of security stage-gates within our CI/CD pipeline.
We provide a cloud-native platform called Silo that enables digital analysts to securely and anonymously investigate threats. We serve over 750 organizations and value integrity, collaboration, and innovation.
Lead a specialized team of security engineers focused on application, cloud, and AI system security.
Champion shift-left security practices including threat modeling, secure code review, and developer training.
Define cloud security standards and enforce security for AI systems including LLM-based agents.
Acquia empowers ambitious brands to create digital customer experiences using open source Drupal. Headquartered in Boston, MA, it is a Great Place to Work-Certified company and among the world's top software companies.