Senior DevSecOps Engineer - Berlin / Lisbon / Warsaw job opportunity at 1GLOBAL.

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Date2026-01-28T04:00:52.615Z bot
1GLOBAL Senior DevSecOps Engineer - Berlin / Lisbon / Warsaw
Experience: 3-years
Pattern: Full-time
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degreeHigh School (S.S.C.E)
loacation Dublin, Ireland
loacation Dublin....Ireland

1GLOBAL  is a technology-driven global mobile communications leader, built to help enterprises unlock the full potential of mobile connectivity at scale. Powered by a best-in-class telecom platform – including our own owned and operated global mobile core network, a full end-to-end eSIM technology stack, and an extensive portfolio of telecom licenses – 1GLOBAL operates as a fully regulated telecommunications provider across 40 countries worldwide. Combined with our privileged access to the global wholesale telecom market, this positions us uniquely to deliver seamless, compliant, and scalable connectivity solutions anywhere in the world.     We serve many of the world’s leading banks, enterprises, and digital-first businesses, including neo-banks, fast moving consumer goods companies, travel leaders, and payment service providers. Today, 1GLOBAL connects more than  70 million people and devices globally, enabling our customers to launch, scale, and innovate with confidence in the mobile ecosystem.     1GLOBAL is a profitable, fast-growing business. With full-year revenues exceeding  US$200 million  and profits of over US$25 million, we generate strong cash flows and fund our growth independently—continuously investing in infrastructure, platform innovation, and global expansion. Recent years have marked a defining phase in our journey, with major enterprise and mass-consumer client wins accelerating our evolution into a global mobile connectivity powerhouse, purpose-built to enable consumer brands to enter and succeed with their own telecommunications offerings.     Founded in 2022 by experienced technology entrepreneurs  Hakan Koç  and  Pyrros Koussios , 1GLOBAL has rapidly emerged as a European technology leader shaping the future of global telecommunications. We operate as a fully regulated Mobile Virtual Network Operator (MVNO) in 12 countries and as a regulated telecom operator in an additional 28 markets. Headquartered in the Netherlands, with world-class R&D hubs in Lisbon, Berlin, and São Paulo, our team of close to 500 experts across 15 countries is united by a single ambition: to redefine global mobile connectivity through technology, scale, and execution excellence.  Position Overview We are looking for a talented  Senior DevSecOps / Cloud Security Engineer  to join our Technology Department, with a focus on strengthening and automating our security posture across cloud and hybrid infrastructure.  As a DevSecOps / Cloud Security Engineer, you will be responsible for embedding security into every stage of our infrastructure lifecycle, from design to deployment. You will lead the implementation of cloud-native security controls in AWS, harden Kubernetes environments, and drive best practices across CI/CD pipelines. Your role includes continuous vulnerability management, network protection, monitoring for threats, and working with development, DevOps and IP teams to ensure secure-by-default practices. You’ll also proactively identify risks, secure network perimeters, and automate remediation wherever possible. This role can be based in our Berlin , Lisbon , or Warsaw , offices. Relocation is required if you are not currently based in one of these cities. 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, including 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 Partner with DevOps, Platform, and IP/Network teams to deliver security controls as code and by design Analyze network traffic and security telemetry using flow logs, metrics, and targeted packet inspection where required Ensure alignment with internal security policies and external frameworks (CIS, NIST, ISO 27001, etc.) Produce and maintain clear documentation, including security architectures, runbooks, and incident response playbooks Act as a security champion, driving best practices, awareness, and secure engineering culture across teams A minimum of 3+ years Cloud Security / DevSecOps / Infrastructure Security  Strong AWS security fundamentals (IAM, KMS, GuardDuty, Config, Security Hub)  Solid Linux security and cloud networking fundamentals  Hands-on Kubernetes security (RBAC, NetworkPolicies, pod security, image scanning)  Infrastructure as Code (Terraform) and Git-based workflows  Scripting for automation (Python or Go or Bash)  Experience with vulnerability management and container security  Security-first mindset with strong troubleshooting skills  Experience with WAFs and cloud DDoS protection  Comfortable with  packet inspection, flow analysis , and traffic monitoring (tcpdump, Wireshark, Suricata, etc.) 

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