Perform infrastructure security reviews across cloud services, network design, IAM, and platform components.
Design and build internal security services, APIs, and tools that automate infrastructure vulnerability detection, triage, reporting, and remediation.
Develop security automation that integrates with CI/CD, cloud control planes, and developer workflows to shift detection and remediation earlier in the lifecycle.
Design and implement cloud security guardrails across AWS and GCP
Embed policy enforcement and compliance checks directly into Terraform modules
Conduct architecture reviews and continuously harden multi-cloud environments
Beast Industries is a multifaceted media and entertainment company founded by Jimmy Donaldson, popularly known as MrBeast. We are known for revolutionizing digital content creation, encompassing ventures that extend far beyond YouTube.
Actively partner on the Cloud Security strategy and implementation.
Evolve and expand our current Cloud Security posture across multiple platforms.
Recommend and validate Security controls and improvements across our infrastructure stack
Circle is a global financial technology firm building the foundation for a more open financial system through digital assets, payment applications, and blockchain infrastructure. They value their employees and foster a culture of collaboration and excellence, with a flexible work enviornment.
Embed security into CI/CD pipelines and repos using policy-as-code tools (pre-commit hooks, SAST/SCA, IDE tool integrations)
Conduct threat modeling sessions and risk‑driven design reviews early in development
OnePay is a consumer fintech company trusted by millions of Americans to make money better by providing an all-in-one financial services platform. They are backed by Walmart and Ribbit Capital, allowing them rare scale and distribution to build something truly category-defining.
Xapo Bank is a fully distributed team of over 130 Xapiens that work remotely from 30+ countries around the world. They aim to provide economic freedom and wealth protection, searching the world for the best people and inspiring each other to learn and grow.
Lead Application Security testing projects and drive remediation of identified vulnerabilities.
Design and run adversarial testing campaigns across the full Buildkite environment.
Build automation for both AppSec and adversarial testing workflows.
Buildkite's mission is to unblock every developer on the planet with their CI/CD platform. They are a remote-first company since 2013 with a small team, high standards, and real ownership distributed across 60+ cities, built around async communication and genuine autonomy.
Implement and maintain security controls across multi-cloud environments (primarily AWS and Azure, with some GCP and AliCloud) and on-prem infrastructure
Own IAM strategy and implementation: design and enforce identity, access, and permissions models that are secure, scalable, and practical
Design and operate key management and custody security controls such as HSMs, secrets management, and secure key handling for trading operations
Auros is a global digital asset liquidity provider operating 24/7 across centralised and decentralised markets. They run high-availability, low-latency systems where resilience and risk discipline matter and treat security as a core engineering and risk function, with direct engagement from senior leadership.
Design, automate, and maintain Knox’s cloud infrastructure and CI/CD pipelines across AWS, Azure, and GCP.
Ensure secure, compliant, and repeatable deployments that support Knox’s FedRAMP-authorized, multi-tenant cloud environments.
Implement Infrastructure as Code (IaC), observability, and security-by-design principles.
Knox runs the largest Federal managed cloud and builds and operates secure cloud and AI environments. They support critical U.S. government missions and require speed, rigor, and trust, impacting sensitive government environments at a federal scale.
Design, implement, and maintain systems that secure Yelp’s AWS and Google Cloud Platform environments.
Develop and enforce data security controls to support privacy initiatives.
Manage system-level access controls and tiered access for internal digital assets.
Yelp's engineering culture values individual authenticity and encourages creative solutions. They focus on helping users, growing as engineers, and having fun in a collaborative environment.
Contribute to building and operating the infrastructure that supports the HackerOne platform.
Improve the reliability, security, and scalability of our systems.
Design and operate highly available cloud systems and apply best practices for reliability, observability, and security.
HackerOne is a global leader in Continuous Threat Exposure Management (CTEM). The HackerOne Platform unites agentic AI solutions with the ingenuity of the world’s largest community of security researchers to continuously discover, validate, prioritize, and remediate exposures across code, cloud, and AI systems. They combine the ingenuity of the largest security research community with a best-in-class AI-powered platform, trusted by the world’s top organizations.
Utilising knowledge of cloud technology to plan, write and improve cloud security labs, challenges and online learning content on the Immersive platform.
Produce multi-format content utilising various teaching methods; practical exercises, questions & gamification
Test Cloud Security labs to ensure they function as expected
Immersive One is the leading cyber resilience solution across the globe, helping organizations future-proof against cyber challenges. Founded in 2017, they've grown to over 300 global employees and have been voted a Best place to work on multiple occasions.
Conducting a comprehensive threat model of our application and infrastructure layers.
Hardening our AWS infrastructure while keeping developer workflows frictionless.
Integrating security tooling into our CI/CD pipeline.
Loancrate simplifies home-buying for lenders and borrowers by building AI-native tooling to automate mortgage workflows. Since 2020, their remote team has enabled customers to power >$85 billion in new home loans and they value collaboration and open communication.
Take ownership of securing high-availability, low-latency systems.
Implement and automate security controls across cloud and on-prem infrastructure.
Enhance resilience, reduce risk, and enable business operations to run safely and efficiently.
Jobgether is a platform that helps candidates find jobs and companies find candidates. They use AI-powered matching to connect talent with opportunities, ensuring a quick, objective, and fair review process.
Design, secure, and continuously improve the foundational infrastructure.
Lead the evolution of our cloud, identity, endpoint, logging, and operational tooling ecosystem.
Create systems that scale with the company while maintaining strong operational control.
Game Plan Tech empowers public sector organizations with best-in-class Google solutions. They foster a collaborative environment where you can make a significant impact, drive innovation for clients, and advance your career.
Collaborate with engineering teams to design and build cloud-native applications and infrastructure that are secure by default.
Use CSPM tools (like Wiz) to discover cloud security findings and provide clear, practical guidance to teams on how to remediate those risks.
Create new security alerts and dashboards within our infosec stack and perform threat hunting across log feeds to identify emerging risks.
KnowBe4 is a cybersecurity company that puts security first. Their AI-driven Human Risk Management platform empowers over 70,000 organizations worldwide to strengthen their security culture.
Design, implement, and maintain cloud-based infrastructure using AWS, Azure, or GCP.
Build, optimize, and manage continuous integration and continuous deployment (CI/CD) pipelines.
Integrate AI-powered tooling into engineering workflows to accelerate delivery and improve code quality.
Givebutter is a nonprofit fundraising and CRM platform. They empower millions to raise more, pay less, and give better by offering tools like fundraisers, donation forms, donor management, emails, and text blasts all in one place.
Secure AI-specific attack surfaces: prompt injection defenses, PII handling in LLM pipelines, model interaction data leakage
Kiefer Tech leverages over 20 years of engineering heritage from the Green Energy sector to deliver cutting-edge AI, robotics, and enterprise solutions across Greece and the EU. They build sovereign AI infrastructure that keeps data within EU borders, respect privacy, and delivers tangible business impact.
Partner with engineering to drive technical implementation of controls throughout the product and infrastructure
Design, implement, and continuously improve security controls across AWS infrastructure and application architecture
Enhance and tune monitoring and detection capabilities in support of customer security and incident response capabilities
AlertMedia helps organizations protect their people and businesses through all phases of an emergency. Their award-winning threat intelligence, emergency communication, and travel risk management solutions help companies of all sizes identify, respond to, and recover from critical events faster and more confidently. They support essential communication for thousands of leading businesses in more than 150 countries.
Serve as a security point of contact for external customers deploying into regulated cloud environments.
Implement and operate security controls required for FedRAMP Moderate/High, aligned to NIST SP 800-53.
Implement security and compliance gates in CI/CD pipelines to prevent non-compliant infrastructure or code from reaching production.
Knox runs the largest Federal managed cloud, building and operating secure cloud and AI environments that support the U.S. government’s most critical missions. Their work is high-impact and purpose-driven, expecting speed, rigor, and trust.
Design, build, and maintain our core cloud infrastructure on AWS/GCP using Infrastructure as Code.
Manage and scale our mission-critical services on Kubernetes, ensuring high availability and resilience.
Enhance and operate our CI/CD systems and developer tools within a GitLab-based workflow.
Mambu is a leading SaaS cloud banking platform that is on a mission to make banking better for a billion people. They empower customers to build innovative and secure financial products, and power billions of transactions for millions of end-users.
Own and deliver infrastructure projects end-to-end.
Build and improve platform primitives for service teams.
Improve observability and implement cost and performance improvements.
Afresh is the leading AI company in fresh food, partnering with grocers to order fresh food. They've experienced record-breaking growth and are on a mission to eliminate food waste. They have over 148 million in funding and embody values of proactivity, kindness, candor, and humility.