Source Job

• Lead and develop a distributed engineering organization across multiple time zones.
• Drive technical roadmap and engineering excellence for scalable, secure, observable systems.
• Foster ownership, continuous learning, and reliability practices across engineering teams.

They build developer tooling for identifying security vulnerabilities and code quality issues early in the development lifecycle. A distributed, collaborative culture across Canada, US, and Europe, emphasizing ownership and continuous learning.

• Lead large-scale Sensor Platform initiatives in collaboration with product, infrastructure, and engineering peers.
• Own root cause analysis and postmortems for complex production issues, ensuring durable fixes.
• Establish standards for documentation, test harnesses, and observability across the codebase.

Dragos is the global leader in OT cybersecurity, combining technology, threat intelligence, and expert services to protect critical infrastructure. The team is remote-first, mission-driven, and built on authenticity, transparency, and trust.

• Own and improve Zen's internal IT systems and security, focusing on automation and scalability.
• Manage identity and access, SaaS estate, device fleet, and compliance processes.
• Build security policies and incident response, ensuring a clear, defensible posture.

Zen Educate uses technology to help schools save money and educators find rewarding work, aiming to improve education efficiency. With around 600 employees across the UK and US, the company values a sustainable pace, diverse perspectives, and inclusive culture.

• Develop and maintain Linux software across the full Ubuntu stack for next-generation silicon and hardware platforms.
• Collaborate with silicon and technology partners on new architectures, optimization, and open-source contributions.
• Work remotely with a globally distributed engineering team on Linux, AI, IoT, and emerging technologies.

They develop and maintain Ubuntu across next-generation silicon and hardware platforms, collaborating with global technology partners. The team works in a globally distributed, remote-first environment with a strong focus on open source and engineering excellence.

• Design, develop, and maintain large-scale distributed database and storage systems.
• Build performance-critical infrastructure using Go, Rust, C++, or similar systems programming languages.
• Operate production systems and troubleshoot complex reliability, performance, and availability issues.

This company builds and operates large-scale distributed database and storage infrastructure with a focus on low latency and high availability. They offer a fully remote, multinational work environment and comprehensive healthcare coverage.

• 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.

• Provide technical and operational leadership for a Security Operations Center, monitoring threats and driving incident response.
• Design and develop security tools and platforms to improve detection, response, and operational efficiency.
• Mentor early-career engineers and contribute to open source security projects and industry conferences.

Jobgether uses AI-powered matching to help candidates find jobs. The company operates a fully distributed, remote-first environment with in-person team events.

• Write reliable, secure, scalable code for real-time authorization and fraud-prevention systems.
• Build customer-facing features like rules improvements, velocity controls, and fraud tooling.
• Own projects from planning to launch and participate on on-call rotation.

Lithic is the modern card issuing and processing platform empowering ambitious financial companies to build the future of payments. We are a team of 170+ across 26 states and 7 countries, headquartered in New York City.

• Support, configure, and extend workflow applications for federal customers.
• Strengthen platform security guardrails, CI/CD, and infrastructure automation.
• Deploy applications to on-premises and classified environments with Linux hardening.

The company supports workflow applications for federal and commercial customers, focusing on secure and AI-assisted development. The culture emphasizes mission impact, continuous improvement, and security-conscious engineering.

• Design, build, and maintain the Microsoft 365 tenant architecture and corporate IT environment.
• Own the full macOS and Windows endpoint lifecycle, including MDM enrollment, patching, and encryption.
• Automate IT workflows and identity processes using PowerShell and Microsoft Graph.

This organization is establishing a scalable IT foundation across Microsoft 365, identity, and endpoints. It is a growing, technically sophisticated company with a fully remote team across Canada, the US, and Europe.

• Design, build, and operate GitLab Orbit backend services, primarily in Rust, within a distributed, cloud-native environment.
• Improve deployment, monitoring, and operations using Kubernetes, Helm, Terraform, and cloud services from AWS or GCP.
• Automate operational work, strengthen observability, and manage production issues to reduce single points of failure.

GitLab is the intelligent orchestration platform for DevSecOps, helping organizations increase developer productivity, improve operational efficiency, and accelerate digital transformation. Trusted by more than 50 million registered users and over 50% of the Fortune 100, GitLab fosters a high-performance culture driven by shared values and continuous knowledge exchange.

• Design and build backend services in Rust for high-volume financial transactions with strong guarantees.
• Own features end-to-end, from spec to production, and set technical direction for your area.
• Integrate with external partners and improve engineering quality across observability and security.

MoonPay builds the operating system for value movement, enabling enterprises to fund, tokenize, trade, and spend digital assets. With top rankings in Fortune's Crypto 100 and Forbes' Best Startup Employers, they foster a high-velocity, high-accountability culture.

• Serve as technical lead for customer engagements, aligning business goals with AI-native engineering practices.
• Architect and deliver scalable software solutions across cloud, APIs, and enterprise systems.
• Mentor customer engineers and drive adoption of AI-assisted development workflows.

Valtech is the experience innovation company that helps brands unlock value in an increasingly digital world by blending data, AI, creativity, and technology. It is a global, borderless organization with a culture that fosters creativity, diversity, and autonomy, supporting people to thrive and innovate.

• Build and ship new features, product improvements, and bug fixes within your team’s codebase.
• Own delivery of small-to-medium scoped projects, working with minimal oversight and following through to completion.
• Participate in the full development lifecycle: planning, implementation, testing, release, and post-launch support.

We are a cybersecurity company that provides password management and unified access management solutions. With over 180,000 business customers and $400M ARR, we have a fast-paced, remote-first culture emphasizing collaboration and transparency.

• Lead and manage a systems engineering team responsible for designing, building, and scaling global cloud infrastructure across Azure, AWS, and GCP.
• Drive deployment, management, and support of Canadian sovereign cloud systems running on GCP while contributing to global cloud initiatives.
• Provide technical leadership, set standards, and collaborate with product and program teams to define roadmaps and ensure high availability.

ServiceNow is the AI control tower for business reinvention, bringing together any AI, any data, and any workflow. We help 85% of the Fortune 500 work smarter, faster, and better, and we're building an AI-native culture where technology and talent are unstoppable together.

• Apply your cybersecurity expertise to train next-generation AI systems with real-world input.
• Analyze, debug, and resolve software bugs and vulnerabilities across diverse codebases.
• Perform security audits, penetration testing, and contribute to backend development.

Our client is a venture-backed AI company developing intelligent systems via human expertise and machine learning. They are rapidly growing with over $40 million in funding and a global network of experts.

• Own features through the full lifecycle: from architecture, implementation, and docs to deployment and monitoring.
• Build rigorous conformance and adversarial tests to ensure implementation compatibility.
• Execute safe protocol upgrades and resolve complex availability/performance issues.

OP Labs builds Optimism, a blockchain network that powers next-generation financial infrastructure, used by hundreds of companies including Sony, Coinbase, and Uniswap. It is a small team backed by $178M from a16z and Paradigm, with a fast-paced, mission-driven culture centered in NYC.

• Lead complex, high-severity security incident responses as incident commander.
• Design and build AI-assisted automation for security operations.
• Own readiness programs, threat hunting, and insider risk capabilities.

1Password is a cybersecurity company that provides enterprise password management and unified access management, trusted by over 180,000 businesses. They are a remote-first company with a fast-paced, collaborative culture, and have surpassed $400M in ARR.

• Own and harden the traditional infrastructure layer, including servers, virtualization, firewalls, and operating systems for a carrier-grade network.
• Design and maintain production Linux systems, virtualized infrastructure (VMware, KVM, Hyper-V), and security perimeters at real scale.
• Operate across cloud-native and traditional stacks, with working knowledge of at least one hyperscaler and Kubernetes exposure.

Share is a venture-backed company building the marketplace for bandwidth, connecting internet capacity suppliers to businesses globally. The company is a mission-driven, investor-backed team with a high-ownership environment and a steep learning curve.

• Dissect and outmaneuver sophisticated cyber attack techniques across endpoint and cloud environments.
• Translate complex threat research into scalable detection recommendations and engineer attack code.
• Collaborate with detection engineers, intelligence analysts, and threat hunters to prioritize and refine deliverables.

Zscaler provides a cloud security platform that securely connects users to applications, protecting customers from cyberattacks and data loss. It is the world's largest in-line cloud security platform with an AI-native culture.