Senior DevSecOps Engineer (São Paulo Based)

1GLOBAL; São Bernardo do Campo; On-site; BRL 223,200 - 334,800; Full time

Benefits offered by this job

CLT contract

Quarterly performance bonuses

Meal allowance

Extended parental leave

Health insurance

Daycare allowance

Job summary

1GLOBAL in São Paulo is looking for a Senior DevSecOps / Cloud Security Engineer to enhance their cloud security posture. The role involves designing security controls across AWS and Kubernetes environments, implementing security automation into CI/CD pipelines, and collaborating with multiple teams.

Ideal candidates will have 3+ years of experience in Cloud Security, with strong knowledge of AWS security fundamentals and hands-on Kubernetes expertise. A CLT contract is offered with various benefits including health insurance and performance bonuses.

Qualifications

• 3+ years’ experience in Cloud Security, DevSecOps, or Infrastructure Security.
• Strong fundamentals in AWS security (IAM, KMS, GuardDuty, etc.).
• Hands-on experience with Kubernetes security features.

Responsibilities

• Design and implement scalable cloud security controls across AWS.
• Own Kubernetes security architecture, focusing on workload isolation.
• Embed security automation into CI/CD pipelines.

Skills

AWS security fundamentals

Kubernetes security

Infrastructure as Code (Terraform)

Scripting for automation (Python, Go, Bash)

Cloud networking

Vulnerability management

Packet inspection and flow analysis

Education

3+ years’ experience in Cloud Security/DevSecOps

Tools

tcpdump

Wireshark

Suricata

Job description

About Us

1GLOBAL is a technology-driven global mobile communications provider, delivering connectivity solutions to enterprises and consumers. Powered by a best-in-class telecom platform—own mobile core network, in-house developed eSIM technology, and a portfolio of telecom licenses—1GLOBAL operates as a fully regulated telecommunications provider across 40 countries worldwide.

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.

Founded in 2022 by experienced technology entrepreneurs, 1GLOBAL has quickly emerged as a European technology leader shaping the future of global telecommunications. With headquarters in the Netherlands and 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.

About the Role

We are looking for a Senior DevSecOps / Cloud Security Engineer to join our Technology Department, focusing on strengthening and automating our security posture across cloud and hybrid infrastructure. The successful candidate will be onboarded and trained in Lisbon, Portugal.

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 a secure engineering culture across teams.

Requirements

• Minimum of 3+ years’ experience in 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 experience (RBAC, NetworkPolicies, pod security, image scanning).
• Experience with Infrastructure as Code (Terraform) and Git‑based workflows.
• Proficiency in 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 and flow analysis (tcpdump, Wireshark, Suricata, etc.).

Benefits

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

Why 1GLOBAL?

• Growth opportunities: Advance your career in a fast‑growing telecommunications company.
• Major transaction exposure: Work on impactful transactions shaping the telco industry.
• Talented team: Collaborate with senior management, founders and leading external advisors.
• Dynamic work environment: Thrive in an innovative, fast‑paced workplace.
• Professional development: Enhance your skills alongside industry experts.
• International experience: Opportunities to work in various 1GLOBAL offices worldwide.
• Open communication culture: Your ideas are heard and valued.
• Results‑driven attitude: Contribute to tangible impact in the industry.

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.