Responsible for security and integrity of the underlying infrastructure, safeguarding the platform from potential vulnerabilities, threats, and attacks.
Developing and maintaining tools for Global Security in order to deliver vulnerability management platforms for application triaging and continuous compliance.
Making sure that the platform is compliant with the best industry practices and standards for security (ISO27001, C5, SOC2).
Docplanner empowers patients by giving them access to leave and read reviews about their visit and provide doctors with the technology to manage bookings easily and save time. They are a leader in 13 countries with over 2,900 employees globally and maintain a startup mindset with a diverse group of ~325 people in Docplanner Tech.
Lead cross-team infrastructure security initiatives from design through delivery, owning technical outcomes and stakeholder communication
Design and implement security solutions for cloud infrastructure, container platforms, and orchestration systems
Partner with SRE, Infrastructure, and Engineering teams to integrate security into platform services and deployment pipelines
GitLab is an open-core software company that develops the most comprehensive AI-powered DevSecOps Platform, used by more than 100,000 organizations. Their mission is to enable everyone to contribute to and co-create the software that powers our world.
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.
Work alongside DevOps and engineering teams to ensure our platforms, repositories and CI/CD pipelines are secure by default while remaining easy to build, test, and deploy against
Identify security risks through tools, audits, and monitoring, and drive them to resolution — whether that means changing a policy, updating infrastructure, or improving a pipeline
Take ownership of the security posture across multiple AWS accounts and continuously improve it over time
Versaterm is a global public safety solutions company helping agencies transform how they serve their communities. Since 1977, they’ve been building an ecosystem of intuitive tools designed for public safety agencies, forensic labs, court systems, schools and other institutions.
Define and execute a technical vision for Onebrief’s infrastructure.
Design and evolve a deployment strategy focused on AWS and on-prem.
Build security and compliance directly into the infrastructure lifecycle.
Onebrief provides collaboration and AI-powered workflow software designed specifically for military staffs, making them faster, smarter, and more efficient. They have raised $320m+ from top-tier investors and are valued at $2.15B, with a team spanning veterans and technologists.
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.
Design, implement, and manage AI Platform architecture.
Control AI-related costs, including models, GPUs, and other resources.
Collaborate with ML teams to operationalize AI models and integrate them into systems.
Docplanner empowers patients by giving them access to leave and read reviews about their visit and provides doctors with the technology to manage bookings easily and save time. They are leaders in 13 countries with 2,500+ employees globally and maintain a startup-mindset.
Design, develop, and implement platform solutions that enhance the reliability, security, and scalability of the Database Platform infrastructure.
Provide technical leadership in AWS cloud infrastructure, networking, CI/CD, and security for cloud infrastructure solutions.
Mentor and coach team members, fostering a culture of knowledge sharing, technical excellence, and continuous improvement.
SYSTABUILD is building a shared cloud and platform foundation for a group of leading software companies in the construction, CAD and ERP domain. They are looking for a Lead Cloud Infrastructure Engineer to take a key role in designing, operating, and evolving their central cloud infrastructure and platform services.
Cultivate and advocate for standard DevOps practices.
Implement standards to meet security requirements.
Provide DevOps services to alleviate the workload of development teams.
Appfire creates software that empowers teams to break silos and collaborate seamlessly. They are a remote-first company with 850+ employees across 28 countries, fostering an environment where everyone is respected.
Design, build, and maintain cloud and server infrastructure.
Develop, optimize, and operate CI/CD and GitOps pipelines (GitLab CI, Jenkins, Argo CD).
Implement and manage container platforms using Docker and Kubernetes.
Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group and was Hungary’s most attractive employer in 2025. They provide IT and telecommunications services with 5300+ employees, serving hundreds of large customers, corporations in Germany and other European countries. The company has four sites in Budapest, Debrecen, Pécs and Szeged.
Design, operate, and continuously improve the cloud infrastructure that powers our systems using infrastructure-as-code, monitoring, and observability.
Own critical parts of the platform: identify bottlenecks, propose and implement improvements, and drive reliability and performance at scale.
Run Kubernetes in production and evolve how we operate it.
Dune is on a mission to make crypto data accessible. They’re a collaborative multi-chain analytics platform used by thousands of developers, analysts, & investors to understand the on-chain world and the frontiers of finance. They are a team of ~60 employees working together across Europe and eastern US timezones.
Extend and automate the existing container orchestration platform, ensuring its scalability, reliability, and performance
Work closely with SREs from different teams to reduce their cognitive load related to the orchestration platform
Implement and maintain security best practices for the orchestration platform, ensuring the security and availability of our systems
Kraken is a mission-focused company rooted in crypto values. They aim to accelerate the global adoption of crypto, so that everyone can achieve financial freedom and inclusion. As a fully remote company, Kraken has employees in 70+ countries who speak over 50 languages.
Maintaining and updating Glia’s core infrastructure.
Troubleshooting and resolving infrastructure-related issues.
Improving our security posture.
Glia provides AI customer service solutions for banks and credit unions, unifying AI and human agents across all conversations via their ChannelLess® Architecture. They are valued at over $1 billion, have been named a Deloitte Technology Fast 500™ company for five years, powers over 700 financial institutions and maintains an industry-leading 72 NPS.
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.
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.
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.
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.
Develop and influence the platform architecture, making high-level design decisions.
Develop and maintain CI/CD pipelines to enable continuous integration and delivery of software applications.
Collaborate with development teams to design and implement scalable and resilient architecture solutions.
Dash0 is building an OpenTelemetry-native, delightful, simple, and AI-centric platform that eliminates vendor lock-in and meaningless toil. They aim to shape a product that developers love—all with transparent pricing and cost-control built in.
Design and implement production-grade Kubernetes architectures aligned to security, reliability, and scalability best practices.
Lead technical assessments of Kubernetes and cloud-native environments, identifying risks, maturity gaps, and automation opportunities.
Serve as a trusted advisor for clients on Kubernetes strategy, platform engineering, and automation maturity.
GuidePoint Security provides trusted cybersecurity expertise, solutions and services that help organizations make better decisions and minimize risk. Since its inception in 2011, GuidePoint has grown to over 1000 employees and firmly-defined core values drive all aspects of the business.
Designing and developing technical integrations that connect Chainguard products to partner platforms.
Building and maintaining our security advisory system, including schemas, APIs, and data feeds.
Owning integrations with major cloud platforms, including GCP, AWS, and Azure.
Chainguard is the secure foundation for software development and deployment. They help organizations eliminate threats in their software supply chains by providing guarded open source software. Chainguard is founded by industry's leading experts on open source software, security and cloud native development and they built the largest library of open source software that is secure by default.