Design and implement backend services for licensing, entitlements, feature access, and usage limits across NodeZero's product and APIs.
Build and evolve provisioning, admin experience, MSP/MSSP capabilities, and audit logging for a multi-tenant SaaS platform.
Operate production services with monitoring, incident response, and a high bar for design quality and test coverage.
Horizon3 is a fast-growing, remote cybersecurity company that helps organizations proactively find, fix, and verify exploitable attack vectors through its NodeZero autonomous pentesting platform. The team is a fusion of former special operations cyber operators and startup engineers, fostering a culture of respect, collaboration, ownership, and results.
Design, build, and operate scalable, secure microservices powering Cyderes' security platform with minimal oversight.
Deploy to AWS, GCP, or Azure with Terraform and run containerized workloads on Docker and Kubernetes.
Improve automated testing and CI/CD, review code, and mentor teammates while keeping security in mind.
Cyderes builds practical Identity & Access Management (IAM), Exposure Management, and risk programs, providing Managed Detection & Response (MDR) powered by its Meridian entity fabric. It is a Great Place to Work-Certified global team that helps organizations stop active threats fast with people, platforms, and perspectives.
Get hands-on with our Go codebase, AWS and Kubernetes environment, SIEM, and security services, contributing security feedback to design docs and shipping your first fix or detection.
Own a security domain end to end, such as cloud hardening or detection engineering, and ship reusable Go security middleware adopted by service teams.
Drive multi-quarter initiatives like default-deny networking, expand Kubernetes security, and automate compliance evidence for audits.
Bastion provides regulated infrastructure for businesses to hold, move, and issue stablecoins, combining custodial wallets, payment orchestration, and issuance. As a 40-person startup, we operate through our own regulated entities with built-in compliance and risk controls.
Lead technical vision for NodeZero's defensive agents, setting direction alongside AI researchers.
Write production code weekly, mentor engineers, and drive design and code reviews.
Own the technical strategy for autonomous remediation, from architecture to shipped features.
Horizon3 is a remote cybersecurity company focused on autonomous pentesting and attack path remediation. The team is a fusion of former Special Operations cyber operators, startup engineers, and security practitioners, with a culture of collaboration, ownership, and results.
Design, develop, and maintain back-end components for internal and open-source cybersecurity projects.
Build REST and GraphQL APIs, command-line tools, and containerized services using Python, Go, and Docker.
Contribute to infrastructure automation and collaborate with teammates to solve complex technical problems.
SpecterOps develops internal and open-source cybersecurity projects such as Mythic and Ghostwriter for the security community. We are a small, transparent team that values autonomy, collaboration, and continuous improvement.
Architect and develop secure backend services for Access Security using AI.
Collaborate with cross-functional teams to deliver enterprise-ready identity intelligence.
Own end-to-end feature delivery and mentor engineers.
ServiceNow is an AI control tower for business reinvention, uniting AI, data, and workflows to help enterprises work smarter. It serves 85% of the Fortune 500 and fosters an AI-native culture where technology and talent are unstoppable.
Collaborate with engineers, product managers, and designers to build well-scoped features.
Contribute to design, implementation, testing, and deployment of software.
Grow technical depth through pairing, code reviews, and production support.
Defense Unicorns delivers mission value by streamlining software delivery for defense and civil agencies, focusing on secure, cloud-native solutions. Our team of innovators, software engineers, and veterans brings decades of experience across the federal market, fostering a culture of action, ownership, and focus.
Own the configuration, tuning, and management of our SIEM solution to diagnose unusual threats.
Perform architecture reviews, code reviews, and penetration testing on web and mobile apps.
Build and maintain vulnerability management CI/CD pipeline and collaborate with engineering teams.
Engine is the AI-native platform for intelligent travel, serving over 38,000 customers and nearly 2 million travelers. Recognized as one of Fast Company's Best Workplaces for Innovators (2025) and Built In's Best Places to Work (2020–2026), we have a culture of exponential growth and high-caliber colleagues.
Design, harden, and defend containerized application infrastructure across edge and cloud environments.
Lead threat modeling, vulnerability management, and security reviews to support mission-critical systems.
Own provisioning, secrets management, and security controls for systems operating in denied or disconnected environments.
CX2 is a next-generation defense technology company building AI-enabled hardware and software platforms to detect, disrupt, and defend the electromagnetic spectrum. Backed by leading defense investors and led by founders from Meta, SpaceX, Epirus, and the DoD, the company values high responsibility and autonomy.
Build backend services and integrations with Golang, MongoDB, and Snowflake.
Support policy platform use cases and day-to-day integration work.
Deliver work under limited supervision, adhering to customer code review and deployment standards.
OnTrac is a logistics company specializing in parcel delivery services. As a contractor program supporting a critical customer engagement, they seek skilled engineers for project-based work.
Execute end-to-end platform deployments across Google SecOps and Microsoft Sentinel for new customers.
Onboard log sources, configure data connectors, and validate ingestion pipelines.
Train customers on their deployed platform and document handoff notes for ongoing support.
TENEX is an AI-native, automation-first Managed Detection and Response (MDR) provider that combines cutting-edge AI with human expertise to deliver security operations. It is a fast-growing startup backed by top-tier investors, with a mission-driven and customer-obsessed culture.
Drive technical evaluations and mentor a team of sales engineers.
Deliver technical presentations and proof-of-value engagements.
Provide field feedback to product management and engineering.
Obsidian Security is a leading SaaS security platform protecting global enterprises like Snowflake and T-Mobile. Founded in 2017 and backed by Greylock, the company is scaling rapidly with a growing partner ecosystem and IPO readiness.
Architect bespoke AI-driven simulations and core services for realistic cyber range training.
Lead projects and mentor engineers on best practices for distributed, event-driven systems.
Partner across teams to deliver fault-tolerant, containerized solutions in air-gapped environments.
SimSpace provides an AI-powered cyber training and simulation platform for governments, militaries, and enterprises to test and validate defenses. Trusted by experts from U.S. Cyber Command, it fosters a human-centered culture of continuous learning and collaboration.
Lead technical implementation of Blumira's security platform for new and existing customers.
Design tailored security solutions and provide hands-on guidance for integrations.
Conduct security assessments, troubleshoot complex challenges, and create security roadmaps.
Blumira is a security operations platform built for growing teams, integrating comprehensive visibility, tools, and expert guidance. Our team is passionate about putting resilience in reach for every organization, fostering a supportive culture with experienced SaaS security leaders.
Architect, build, and scale secure software systems including microservices and REST/gRPC APIs.
Lead design of distributed systems using Messaging, Search stores, and cloud storage solutions.
Mentor junior engineers, monitor system health, and optimize services with a DevOps mindset.
Zscaler accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss, with thousands of employees and a culture focused on ownership, collaboration, and challenge.
Design and build core systems for Docker's enterprise agentic platform using Go and Kubernetes.
Own production reliability from on-call to SLOs and incident response.
Set technical direction and mentor engineers while driving security, identity, and network boundaries.
Docker builds developer tools trusted by over 20 million monthly users and billions of container pulls. It is a globally distributed, remote-first team with a culture of trust, flexibility, and engineering excellence.
Fix vulnerabilities across the stack by writing pull requests in application repositories and Terraform.
Build and tune SIEM detections, mapping coverage to MITRE ATT&CK and reducing false positives.
Lead incident response, harden AWS estate, and automate security workflows with code.
Cloudbeds is a hospitality management platform powering hotels across 150 countries, processing billions in bookings annually. The company is a remote-first team of 650+ across 40+ countries, recognized for innovation and an inclusive culture.
Lead threat modeling and security reviews across Wiz's products and cloud infrastructure, identifying attack surfaces and developing scalable mitigation strategies.
Build automation, policy-as-code, and security tooling that enables development teams to 'shift left' and integrate end-to-end security into their workflows.
Drive vulnerability management and remediation efforts, prioritizing issues, implementing mitigations, and designing strategic preventative controls in software supply chains from development through production.
Wiz is redefining security for the AI era, enabling teams to secure cloud and AI applications by connecting code, cloud, and runtime into a single shared context. As one of the fastest-growing startups ever, we are trusted by over 65% of the Fortune 100 and scan over 230 billion files daily, with a culture that values world-class talent and is now powered by Google.
Build, deploy, and continuously improve MITRE ATT&CK–aligned detections across cloud, endpoint, identity, email, and application telemetry with clear false-positive thresholds.
Own the full detection lifecycle from hypothesis and data validation through deployment, tuning, and retirement.
Advance the detection-as-code platform with version control, peer review, automated testing, CI/CD, and improved pipeline reliability and observability.
Samsara is the pioneer of the Connected Operations™ Cloud, helping organizations that depend on physical operations to harness IoT data for actionable insights. They are a recently public company with a high-caliber team, embracing a flexible working model that supports remote and hybrid work.
Design and build CI/CD workflow integrations that bring application security into software delivery pipelines and developer environments.
Run discovery sessions and architecture workshops with enterprise customers to align the Snyk platform to their requirements.
Build trusted relationships with technical stakeholders and support implementations from pre-sales through post-sales.
Snyk builds a security platform where AI agents work alongside engineers to find and fix risk at the speed software is built. The company fosters an inclusive culture with global benefits and employee resource groups, aiming to make the digital world safer.