Senior DevSecOps Engineer (São Paulo based)

📋 Job 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.

🏢 About 1GLOBAL

1GLOBAL is a technology-driven global mobile communications provider helping enterprises and consumer brands deliver seamless connectivity worldwide. Powered by a best-in-class telecom platform, proprietary eSIM technology, and its own mobile core network across 15 countries, 1GLOBAL operates as a fully regulated telecommunications provider in 43 countries.

Founded in 2022, 1GLOBAL has rapidly become one of Europe's fastest-growing telecom technology companies, connecting more than 80 million people and devices globally. Our customers include leading banks, multinational enterprises, global retailers, travel companies, payment service providers, and digital-first businesses.

Headquartered in the Netherlands, with R&D hubs in Lisbon, Berlin, and São Paulo, 1GLOBAL employs over 550 professionals across 16 countries. With annual revenues exceeding US$200 million and a strong track record of profitability, we continue to invest in innovation, infrastructure, and international expansion as we redefine the future of global mobile connectivity.

🎯 The Role

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.

✅ 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

📌 Required Qualifications

• 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.)

🎁 Benefits

• CLT contract — enjoy job stability and reliable benefits that value your work
• Quarterly performance bonuses to reward your hard work and achievements
• Meal allowance paid into Caju card — R$100 per working day
• Extended parental leave — 180 days of maternity leave and 20 days of paternity leave
• Health insurance with SulAmérica — 50% covered by the company
• Daycare allowance provided to mothers with children under 3 years old — R$500 per month per child

🛂 Visa & Eligibility

1GLOBAL is an equal opportunity employer, we value your character as much as your talent. Diversity drives our innovation, and we offer a collaborative, dynamic, and international work environment.