Source Job

• Architect and maintain secure, resilient, and optimized cloud environments primarily in GCP, with AWS and Azure.
• Partner with Developer Platform and IAM teams to embed security into architecture and identity strategies.
• Harden cloud platforms against emerging threats, bring a DevOps mindset with Terraform/IaC and Kubernetes, and help secure AI-driven pipelines.

Chainguard is the trusted source for open source software, delivering hardened and secure builds. They are a venture-backed late-stage startup serving Fortune 500 enterprises and global industry leaders.

• Design and implement security solutions across multi-cloud environments (AWS, GCP, Azure).
• Lead threat detection, identity management, and compliance posture for clients.
• Embed security into CI/CD pipelines and develop AI-accelerated internal tooling.

Riveron is a consulting firm that helps organizations implement governance, risk, and compliance practices, including cybersecurity advisory. The firm has an entrepreneurial culture focused on collaboration, diversity, and delivering exceptional outcomes.

• Own cloud and platform security end to end across AWS and Azure, including architecture, detection, and response.
• Build self-serve security tooling and guardrails to replace manual processes and reduce risk.
• Partner with engineering teams to embed security into CI/CD pipelines and product development.

Ada is an AI customer service platform that enables enterprise companies to deliver instant, proactive, and personalized customer experiences. Established in 2016, the Canadian company has powered over 5.5 billion interactions for brands like Square and YETI, backed by over $250M in funding from top-tier investors.

• Design and implement security controls across applications, cloud infrastructure, and development environments.
• Conduct architecture reviews, threat modeling, and security assessments for new products.
• Identify, prioritize, and remediate vulnerabilities across the technology stack.

SignalFire partners with top early-stage startups that are shaping the future of technology. They have a portfolio of over 200 innovative companies across AI, cybersecurity, healthtech, fintech, developer tools, and enterprise SaaS.

• You will own and drive the AppSec/DevSecOps program roadmap, defining security strategy across the SDLC.
• You will design and maintain DevSecOps tooling in Kubernetes and GCP, including support for AI/ML workloads.
• You will lead integration of security into CI/CD pipelines, building secure paths and guardrails that reduce developer friction.

Censys provides real-time internet intelligence and threat insights to global governments and over 50% of the Fortune 500. We are a security company with a culture of innovation and trust, and we serve leading threat intelligence providers worldwide.

• Drive security engineering initiatives and embed security across engineering teams.
• Manage threats and respond to incidents with advanced automation and AI agents.
• Architect secure solutions for AI/ML workloads and mentor team members.

EarnIn is a pioneer of earned wage access, building products that deliver real-time financial flexibility for those living paycheck to paycheck. They have an experienced leadership team and world-class funding partners, and are growing fast with a healthy core business.

• Own security architecture, guardrails, and automation across Azure and AWS.
• Engineer and maintain Kubernetes security and cloud network controls.
• Mentor junior engineers and drive security maturity across the organization.

Semperis is a cybersecurity company focused on protecting enterprise identities. It has been recognized as one of America's Fastest-Growing Cybersecurity Companies and a multi-year Inc. Best Workplace awardee, with a culture rooted in purpose, growth, and balance.

• Operate and sustain Chainguard’s technology platforms (cloud, IAM, and AI) and help implement access controls and identity policies.
• Support the hardening and monitoring of cloud infrastructure, assist in securing AI/ML pipelines, and troubleshoot systems.
• Document processes, contribute to runbooks, and adapt to shifting priorities while learning security best practices.

Chainguard delivers hardened, secure, and production-ready builds of open source software. It is a venture-backed late-stage startup with Fortune 500 customers including Anduril, Canva, and OpenAI.

• Build and harden secure CI/CD pipelines with security gates to catch issues before production.
• Lead security architecture reviews and threat models for Kubernetes-based workloads on GCP and AWS.
• Harden container images, Kubernetes configurations, and cloud IAM to minimize attack surface.

Chainguard is the trusted source for open source, delivering hardened, secure, and production-ready builds of open source software. The company is venture-backed by leading investors and serves Fortune 500 enterprises, with a culture that values customer obsession, intentional action, and trust.

• Partner with engineering teams to review cloud and compute architecture design changes.
• Establish threat models for cloud and compute paved roads to identify security risks.
• Write code for automations that support security requirements like threat detection and incident containment.

Quora operates two platforms: a global knowledge sharing platform with over 300 million monthly unique visitors, and Poe, a platform for AI language models. The company is remote-first with a culture rooted in transparency, idea-sharing, and experimentation.

• Design and implement zero-trust security architecture across the platform.
• Implement identity-aware access controls and IAM capabilities for multi-tenant environments.
• Build security automation workflows and integrate AI-assisted tooling for threat detection and response.

Radian Arc provides an IaaS platform for running cloud gaming, AI, and ML applications inside telecom networks. It is a fast-growing scale-up with a diverse, international team across multiple countries.

• Investigate and resolve customer technical issues across cloud security posture management, vulnerability scanning, and threat detection in AWS, Azure, and GCP environments.
• Troubleshoot cloud connector and integration failures, including IAM, network connectivity, and API authentication issues.
• Design and implement automation leveraging AI agents to improve triage accuracy and resolution efficiency.

Wiz provides an AI-powered cloud security platform that connects code, cloud, and runtime to secure cloud and AI applications, trusted by over 65% of the Fortune 100. As one of the fastest-growing startups, powered by Google, Wiz has a culture that values world-class talent and encourages creative thinking.

• Act as a strategic security leader by defining and driving cloud security principles, standards, and reference architectures across the organization.
• Use your knowledge of security architecture to help engineers build and securely operate products and services from the ground up.
• Assess, design, and implement security processes and controls to meet security, compliance, and audit requirements.

LastPass delivers Secure Access Essentials, helping individuals and organizations manage and protect access to AI, applications, and credentials. Trusted by more than 100,000 businesses and millions of users worldwide, LastPass blends strong security with everyday simplicity.

• 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.

• You will own KPA's enterprise security platforms and lead technical security initiatives.
• You will manage vulnerability remediation, endpoint security, identity security, and incident response.
• You will secure cloud environments across Azure, AWS, and Microsoft 365, integrating security into CI/CD pipelines.

KPA provides compliance and risk management software for the automotive and equipment industries. The company values trust, innovation, excellence, and results, fostering a collaborative culture with a team of security and IT professionals.

• Build and operate Lumin's security fabric engineered for reliability and scale across hundreds of environments.
• Design and maintain agentic AI workflows using tools like Claude Code and MCP integrations to automate security platform engineering.
• Write production-quality Python applications and tooling supporting platform operations and AI-assisted workflows.

Lumin Digital is a trailblazer in digital banking solutions, providing cloud-native digital experiences for credit unions and banks. We foster a culture of curiosity, innovation, trust, and respect, with a focus on collaboration and continuous improvement.

• Implement and optimize Microsoft 365 E5 security solutions, including Entra ID, Intune, Defender, and Sentinel.
• Participate in security operations, incident response, threat detection, and vulnerability management.
• Support cloud security posture management across Azure and AWS environments.

Numeris is Canada's most trusted source for broadcast measurement and consumer behavior data, serving broadcasters, advertisers, and agencies. The company fosters a collaborative culture with a focus on continuous learning, career advancement, and community support.

• Lead security discovery workshops and translate high-level architectural requirements into actionable security roadmaps.
• Design end-to-end cloud security frameworks and document controls for SOC 2 and HITRUST compliance.
• Establish governance and security processes for AI and manage vulnerability remediation with development teams.

Ollion is a global technology partner that helps organizations solve their toughest business challenges in AI, data, and cloud. They are a remote-first, globally distributed team focused on making a world of difference through innovation and collaboration.

• Lead threat modeling and security architecture reviews with engineering teams by translating security risks into concrete development actions.
• Architect, build, and maintain security tooling and integrations that make secure development the default in our CI/CD pipelines.
• Design and deploy automated security testing to identify vulnerabilities early in the development process.

Abnormal Security protects the humans behind the world's most critical organizations from AI-powered cybercrime. More than 4,500 enterprises trust its behavioral AI platform.

• Own the infrastructure end-to-end for ScaleOps' self-hosted and SaaS platforms.
• Manage cloud infrastructure across AWS, GCP, and Azure, including networking, security, and compute.
• Collaborate with customers and internal teams to ensure rapid feature delivery without compromising reliability.

ScaleOps is redefining autonomous cloud and AI infrastructure, freeing DevOps from manual resource management. Backed by $210M+ in funding, they are trusted by leading enterprises and Fortune 100 companies, with a fast-paced, innovative culture.