Senior Security Engineer

Cobalt Streamworks is the world’s most intelligent influencer marketing company, built to give brands the confidence to create unforgettable campaigns. By combining real creator relationships, trusted intelligence, and expert guidance, Cobalt Streamworks removes fear and guesswork from one of marketing’s most visible investments. Built on a native, AI-powered platform and more than a decade of proprietary data—including billions of social interactions, impressions, and $2.4B+ in verified influencer-driven purchases— Cobalt Streamworks helps teams understand what will work before they launch. By combining trusted insight with expert guidance, Cobalt Streamworks removes guesswork from influencer marketing, enabling brands to choose the right creators, execute fully managed campaigns, and drive meaningful growth across awareness, engagement, and revenue. Trusted by leading enterprise brands including Nike, Wayfair, Unilever, and Southwest Airlines, Cobalt Streamworks bridges creativity and performance so campaigns don’t just look good—they deliver results. Learn more at later.com . Senior Security Engineer Remote, United States About this position: We're looking for a Senior Security Engineer to strengthen Cobalt Streamworks 's company-wide security posture through hands-on engineering, thoughtful collaboration, and pragmatic standards. This role blends deep security expertise with strong software engineering skills, with a focus on application security, cloud and infrastructure security, secure development practices, vulnerability management, compliance enablement, and security improvements across our corporate systems and business operations. You'll partner closely with teams across Engineering, Infrastructure, Product, IT, Legal, People, Finance, and other business functions to embed security into Cobalt Streamworks 's systems, tools, workflows, and operating practices. A core focus of this role is helping Cobalt Streamworks mature its security capabilities in support of SOC 2 and other compliance expectations through practical controls, automation, evidence-ready processes, and clear guidance that works across the company. This role is ideal for a senior security practitioner who thinks like a defender, builds like a software engineer, and leads through influence across both technical and non-technical teams. What you'll be doing: Company-Wide Security Strategy & Compliance Assess and continuously improve Cobalt Streamworks 's overall security posture across applications, infrastructure, cloud environments, corporate systems, vendor tooling, and business workflows. Define and implement scalable security standards, best practices, and guardrails that support SOC 2 readiness through practical, automated, and auditable solutions. Partner with Engineering, Infrastructure, IT, Product, Legal, People, Finance, and business leaders to align security priorities with company goals, risk reduction, and delivery timelines. Translate SOC 2 and related compliance requirements into sustainable technical and operational controls, procedures, and evidence collection practices. Identify security gaps across the company, prioritize remediation efforts, and help teams make pragmatic, risk-based decisions. Support company-wide security awareness, secure operating practices, and adoption of security controls across business teams. Technical Execution Build and maintain internal security tools, automation, and services that support secure development, compliance workflows, vulnerability management, corporate security operations, and operational visibility. Design and implement security controls within CI/CD pipelines, including secure build and deploy patterns, security scanning, dependency management, container scanning, and secret management. Support application security efforts, including secure design reviews, threat modeling, code review guidance, API security, microservices security patterns, and remediation planning. Improve cloud infrastructure and corporate systems security through hardening, monitoring, configuration review, Infrastructure-as-Code security scanning, access reviews, and secure operational patterns. Collaborate with technical and business teams to identify vulnerabilities and control gaps, explain impact clearly, and drive effective remediation. Strengthen security observability and response readiness through logging, alerting, detection engineering, incident response improvements, and company-wide security process maturity. Collaboration & Enablement Partner with teams across the company to identify, understand, and fix security issues in a collaborative, non-blocking way. Provide pragmatic security guidance on designs, implementations, vendor tools, operational practices, and business workflows. Communicate security risks, tradeoffs, and recommendations clearly across technical and non-technical audiences. Embed security into development workflows, corporate systems, and company operating practices without slowing teams unnecessarily. Support SOC 2 and related compliance efforts through automation, well-defined cont