Senior Devsecops Engineer (São Paulo Based)

Mercado de Ti; São Paulo; On-site; BRL 280,000 - 420,000; Full time

Benefits offered by this job

CLT contract

Quarterly bonuses

Meal allowance

Parental leave

Health insurance

Daycare allowance

Growth opportunities

International experience

Open culture

Job summary

1 GLOBAL, based in São Paulo, seeks a Senior Dev Sec Ops Engineer to strengthen security across cloud and hybrid infrastructure. You will design cloud security controls in AWS, secure Kubernetes clusters, and automate security in CI/CD, collaborating with DevOps and IP teams to enforce least-privilege access.

The role emphasizes threat detection, vulnerability management, and secure-by-default practices. Join a fast-growing telco tech leader expanding globally.

Qualifications

• 3+ years Cloud Security / Dev Sec Ops / Infrastructure Security.
• Strong AWS security fundamentals (IAM, KMS, GuardDuty, Config, Security Hub).
• Solid Linux security and cloud networking fundamentals.
• Hands-on Kubernetes security (RBAC, Network Policies, pod security, image scanning).
• IaC (Terraform) and Git-based workflows.

Responsibilities

• Design, implement, and evolve scalable cloud security controls across AWS multi-account environments using security-as-code practices.
• 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 threats.

Skills

Cloud Security

DevSecOps

AWS

Kubernetes

Terraform

Python

Go

Bash

Vulnerability mgmt

Container security

Tools

Terraform

Git

tcpdump

Wireshark

Suricata

Job description

# Senior Dev Sec Ops Engineer (São Paulo Based)1 GLOBAL1 GLOBAL 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 e SIM technology, and its own mobile core network across 15 countries, 1 GLOBAL operates as a fully regulated telecommunications provider in 43 countries.

Founded in 2022, 1 GLOBAL 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, 1 GLOBAL 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.

About the Ideal Candidate

We are looking for a talented Senior Dev Sec Ops / Cloud Security Engineer to join our Technology Department, with a focus on strengthening and automating our security posture across cloud and hybrid infrastructure.

Responsibilities

As a Dev Sec Ops / 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, Dev Ops and IP teams to ensure secure-by-default practices.

You’ll also proactively identify risks, secure network perimeters, and automate remediation wherever possible.

About the Role

• 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 Dev Ops, 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

Requirements

• A minimum of 3+ years Cloud Security / Dev Sec Ops / Infrastructure Security
• Strong AWS security fundamentals (IAM, KMS, Guard Duty, Config, Security Hub)
• Solid Linux security and cloud networking fundamentals
• Hands-on Kubernetes security (RBAC, Network Policies, 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.)

About You

• A minimum of 3+ years Cloud Security / Dev Sec Ops / Infrastructure Security
• Strong AWS security fundamentals (IAM, KMS, Guard Duty, Config, Security Hub)
• Solid Linux security and cloud networking fundamentals
• Hands-on Kubernetes security (RBAC, Network Policies, 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 Sul América - 50% covered by the company
• Daycare allowance provided to mothers with children under 3 years old - R$500 per month per child
• Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 50% year-on-year under the leadership of successful tech entrepreneurs.
• Major Transaction Exposure: Be in the driver's seat for transactions that will have an impact on the future telco industry.
• Work with a Talented Team: From the Board and the Founders to the Senior Management Team, you will collaborate daily with the most capable and renowned external advisors and constantly being exposed to talented and driven individuals.
• Dynamic Work Environment: Thrive in a collaborative, fast-paced workplace where innovation is encouraged, and every contribution counts.
• Professional Development: Work alongside industry experts to enhance your skills and knowledge in a cutting-edge field.
• International Experience: Gain opportunities to work in different 1 GLOBAL offices around the world as you grow within the company.
• Open Communication Culture: Join a team where your ideas are heard, and open dialogue is encouraged, fostering a supportive and transparent work environment.
• Get Things Done Attitude: Be part of a results-driven team that values efficiency, creativity, and the drive to make a tangible impact in the industry.

1 GLOBAL is an equal opportunity employer, we value your character as much as your talent.