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Senior Platform Security Engineer

Spain, Barcelona · Job Posted January 06, 2026
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Job Description

The Internal Platform is a pivotal foundation that accelerates product development by providing a reliable, scalable, and self-service ecosystem. It supports the entire software lifecycle and is meticulously tailored to meet the organization’s technological needs and strategic direction. The platform enables development teams to operate autonomously in 80% of cases, reducing dependency on the Internal Platform team, and ensuring that compliance, security, and business continuity are integrated across the entire platform - defending general reliability of services, and data integrity. Overall, a platform engineering team plays a critical role in ensuring a company's technology infrastructure is reliable and scalable.

Job Responsibility

  • Making sure that our platform is compliant with the best industry practices and standards for security (ISO27001, C5, SOC2)
  • Help us to introduce security on every step of our platform lifecycle
  • Ability to vigilantly understand and mitigate security threats before they arise
  • Optimize system scalability and cost efficiency
  • Development, monitoring, and maintenance of Kubernetes clusters on several continents
  • CI / CD development and maintenance
  • Make sure that all of our services are deployed in a way that makes them highly available
  • Fixing urgent issues and optimizing performance
  • Support other team members in their daily work

Requirements

  • At least 5 years of experience related with security
  • Vast experience with container orchestration platforms like Kubernetes and how to secure them (must-have)
  • You know how to maintain, develop policy for security-focused CNI/Service Mesh (eg. Calico, Cilium)
  • You know how to scan for and manage vulnerabilities at scale
  • You have experience with Hashicorp Vault
  • You know why and how to use Terraform and popular CI/CD tools
  • You know about building scalable and secure production HA environments using AWS
  • You know your ways around network security services eg. AWS WAF/Cloudflare
  • You are not afraid of developing tools or scripts in Bash or GO to automate work
  • You can communicate in English (both spoken and written - min. B2 level)
  • You know how to bring people on your side when talking about security and best practices

What we offer

  • Flexible remuneration and benefits system via Flexoh, which includes: restaurant card, transportation card, kindergarten, and training tax savings
  • Share options plan after 6 months of working with us
  • Remote or hybrid work model with our hub in Barcelona
  • Flexible working hours (fully flexible, as in most cases you only have to be on a couple of meetings weekly)
  • Summer intensive schedule during July and August (work 7 hours, finish earlier)
  • 23 paid holidays, with exchangeable local bank holidays
  • Additional paid holiday on your birthday or work anniversary (you choose what you want to celebrate)
  • Private healthcare plan with Adeslas for you and subsidized for your family (medical and dental)
  • Access to hundreds of gyms for a symbolic fee in partnership for you and your family with Wellhub
  • Access to iFeel, a technological platform for mental wellness offering online psychological support and counseling

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