Senior DevSecOps Engineer (Berlin, Lisbon, Warsaw)

About the role

We are looking for a talented Senior DevSecOps / Cloud Security Engineer to join our Technology Department, focusing on strengthening and automating our security posture across cloud and hybrid infrastructure. The role involves embedding security into every stage of the infrastructure lifecycle, from design to deployment, and leading implementation of cloud‑native security controls in AWS and Kubernetes.

Key responsibilities

• Design, implement, and evolve scalable cloud security controls across AWS multi‑account environments using security‑as‑code principles.
• Own Kubernetes security architecture, including workload isolation, RBAC, pod security standards, and network segmentation.
• Embed security automation into CI/CD pipelines, such as image scanning, IaC validation, and policy enforcement.
• Continuously assess cloud and Kubernetes environments for vulnerabilities, misconfigurations, and emerging threats.
• Design and maintain strong IAM and secrets management practices, enforcing least‑privilege access.

Required profile

• Minimum 3 + years of experience in Cloud Security, DevSecOps, or Infrastructure Security.
• Strong AWS security fundamentals (IAM, KMS, GuardDuty, Config, Security Hub).
• Hands‑on Kubernetes security experience (RBAC, NetworkPolicies, pod security, image scanning).
• Proficiency with Infrastructure as Code (Terraform) and Git‑based workflows.
• Automation scripting skills in Python, Go, or Bash.

Required skills

• AWS
• Kubernetes
• Terraform
• Python
• Go
• Bash
• Linux security
• Container security
• WAF and cloud DDoS protection
• tcpdump, Wireshark, Suricata

What we offer

• Growth opportunities in a fast‑growing telecommunications company.
• Exposure to high‑impact transactions shaping the telco industry.
• Collaboration with a talented, international team and senior leadership.
• Dynamic, fast‑paced work environment that encourages innovation.
• Professional development alongside industry experts.
• International experience across multiple 1GLOBAL offices.
• Open communication culture and equal‑opportunity workplace.