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Litmus

Email testing, previews, analytics platform

Senior Product Manager - Product Security

Security Engineering & ArchitectureUpdated on Nov 13
Full-timeNo salary listedHybrid

About the Job

Requirements

  • At least 7 years of experience in software engineering, product security, cybersecurity, security architecture, or technical product management.
  • Strong hands-on software engineering experience, including investigating vulnerabilities, reviewing code, and validating technical solutions.
  • Experience defining technical product roadmaps and driving security initiatives with Engineering teams.
  • Strong understanding of Linux, Docker, Kubernetes, networking, and cloud infrastructure.
  • Practical knowledge of vulnerability assessment, penetration testing methodologies, threat modeling, and secure software development.
  • Experience with application and API security, authentication, authorization, encryption, TLS, and certificate management.
  • Familiarity with CVE/CVSS, open-source dependency security, and vulnerability management.
  • Experience with AI-assisted development or security tools, scripting, and automation.
  • Ability to independently research technologies, build prototypes, and collaborate on engineering implementations.

Responsibilities

  • Own and drive the product security roadmap across the Litmus product portfolio.
  • Proactively identify security vulnerabilities, architectural weaknesses, and emerging threats.
  • Track relevant CVEs, security advisories, and open-source dependencies, and prioritize remediation based on risk and product impact.
  • Conduct hands-on vulnerability assessments, security investigations, and architecture reviews across applications, APIs, Linux systems, containers, and infrastructure.
  • Reproduce vulnerabilities, investigate root causes, and validate fixes with Engineering.
  • Review source code, configurations, and deployment architectures to identify security risks.
  • Build scripts, proof-of-concepts, and automated tests to evaluate and validate security solutions.
  • Work directly with Engineering to plan security improvements, prioritize releases, and balance immediate fixes with long-term investments.
  • Research and evaluate emerging security technologies and architectures for industrial edge and enterprise environments.
  • Design and validate secure, scalable deployment models across edge devices, virtual machines, containers, Kubernetes, and cloud infrastructure.
  • Explore zero-trust principles, workload isolation, sandboxing, authentication, authorization, and secure communication.
  • Evaluate the security implications of AI-powered applications, autonomous agents, and edge AI workloads.
  • Apply AI-assisted tools to vulnerability discovery, code analysis, security testing, and automation.
  • Prototype new security approaches and translate research into product capabilities and roadmap initiatives.
  • Anticipate future enterprise security requirements and proactively improve product architecture.
  • Partner with Engineering, DevOps, and QA to integrate security into product design, development, testing, and releases.
  • Drive secure development practices, automated security testing, dependency management, and software supply chain security.
  • Define security requirements for APIs, OAuth, RBAC, device management, remote access, and software updates.
  • Coordinate product security incident response, vulnerability remediation, and security-related releases.
  • Establish security review processes, technical guidelines, and measurable security objectives.
  • Coordinate third-party penetration testing, security assessments, and product security audits, and drive remediation of findings.
  • Support compliance and certification initiatives, including ISO 27001, SOC 2, IEC 62443, and the EU Cyber Resilience Act, as applicable.
  • Collaborate with IT, DevOps, and leadership on security governance, access controls, and employee security awareness.
  • Participate in enterprise customer security discussions, technical assessments, and security reviews.
  • Translate customer security requirements into product features and roadmap priorities.
  • Develop product security incident response procedures, vulnerability disclosure processes, and customer security communications.

Desired Qualifications

  • Experience with industrial IoT, edge computing, OT security, or enterprise infrastructure software.
  • Knowledge of industrial protocols such as OPC UA and MQTT.
  • Experience with embedded Linux, firmware security, secure boot, and OTA updates.
  • Familiarity with zero-trust architecture, container hardening, virtualization, sandboxing, and microVM technologies.
  • Experience securing AI applications, autonomous agents, or edge AI workloads.
  • Knowledge of SBOM, SAST, DAST, CI/CD security, and software supply chain protection.
  • Familiarity with IEC 62443, NIST, ISO 27001, SOC 2, or the EU Cyber Resilience Act.
  • Experience supporting enterprise customer security reviews and technical assessments.

About the Company

Litmus

Email testing, previews, analytics platform

Litmus provides a subscription-based email marketing platform that combines email testing, analytics, and optimization with AI-driven personalization and security features to improve conversions and ROI for businesses of all sizes. Its product suite includes email previews across devices and clients, spam testing, and performance analytics, along with AI-assisted subject lines and copy suggestions, targeted at marketing teams and agencies who need collaboration tools and reliable email performance data. Unlike many competitors, Litmus emphasizes strong security, seamless collaboration, and AI-powered content optimization within an all-in-one platform. The company's goal is to help customers improve the effectiveness of their email campaigns and maximize ROI through better testing, analytics, and personalization.

Company size
51-200
Company stage
Late Stage VC
Total funding
$49M
Headquarters
Cambridge, MA
Founded
2014

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