Senior Security Engineer

Role & Team

As our inaugural Senior Security Engineer, you will play a critical role in safeguarding Overstory’s systems, data, and reputation. Partnering closely with your manager - the Director of Information Security and Compliance - you will take ownership of our security and compliance posture, and define, implement, and continuously improve our security program.

You will lead initiatives across vulnerability management, compliance, and security operations, while acting as a trusted partner to engineering, product, and business teams. This role is ideal for someone who combines hands-on technical expertise with a strategic mindset and enjoys building scalable security practices in a growing company.

• Own and evolve Overstory’s compliance program, ensuring ongoing alignment with SOC 2, ISO 27001, and other relevant frameworks
• Drive vulnerability management end-to-end, from detection to remediation, working closely with engineering teams to prioritize and resolve risks efficiently
• Design and improve security processes and controls across infrastructure, applications, and internal systems
• Lead security input in architecture and engineering decisions, helping teams build secure-by-design systems
• Oversee and improve identity and access management, endpoint security, and core IT security practices
• Own vendor security and third-party risk management, including assessments, risk evaluation, and mitigation strategies
• Lead audit readiness and execution for SOC 2 and ISO 27001, including control design, evidence collection, and auditor coordination
• Partner with customer-facing teams to handle security questionnaires and build scalable, high-quality response processes
• Contribute to security awareness and culture, mentoring others and raising the security bar across the organization

• 5+ years of experience in security engineering, security operations, or a related field
• Direct experience with security and compliance frameworks such as SOC 2 and/or ISO 27001, including audit processes
• Deep experience with vulnerability management, including tooling, prioritization, and remediation workflows
• Fluency working across cloud environments (AWS, GCP, or Azure) and modern SaaS ecosystems
• Experience with identity and access management, endpoint security, and IT/security operations
• Demonstrated ability to translate security risks into clear, actionable guidance for technical and non-technical stakeholders
• Demonstrable experience (or at a minimum a serious interest in) leveraging AI tooling to accelerate business impact.
• Strong written communication skills and are comfortable owning documentation and audit artifacts
• Demonstrable proactive, pragmatic mindset as well as capacity for balancing security best practices with business needs
• Experience working cross-functionally influencing without authority in a remote-first environment

• Experience designing or improving SIEM, logging, and alerting pipelines
• Familiarity with compliance automation platforms (Drata, Vanta, Tugboat, etc.)
• Experience leading or owning SOC 2 / ISO 27001 audits
• Background in application or cloud security engineering
• Experience mentoring or guiding more junior team members

• Competitive, location-specific compensation and benefits
• Flexible, autonomous and collaborative working environment rooted in trust - we build our work days around our lives, not the other way around
• Home office stipend, coworking and ongoing education budgets
• A company culture that genuinely embodies each of our core values
• To be part of truly mission-driven work that reduces wildfires, protects earth’s natural resources and helps solve our climate crisis

We are a group of 100 people from all over the world. Fifteen nationalities are represented in our team and at last count we speak fourteen languages:
English, Dutch, French, Spanish, German, Italian, Portuguese, Russian, Luxembourgish, Lithuanian, Bulgarian, Cantonese, Estonian, and Danish.

We work remotely from eleven countries and are looking for candidates that are living and working in one of them:
United States, the Netherlands, United Kingdom, Ireland, Estonia, Portugal,…