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Senior DevSecOps Engineer

Remote, Madrid·Added today (last checked 30 Oct)

1GLOBAL

2 open roles

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Our summary

Work mode: Remote (Madrid)
English: Required
Experience: 3+ years

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The ad doesn’t mention sponsorship
No sponsorship mentioned, and this kind of work is rarely sponsored in Spain.

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Skills

Nice to have

The role

About You

A minimum of 3+ years of experience with 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.)

Why 1GLOBAL?

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 1GLOBAL 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.

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. We are excited for you to join our mission to revolutionise connectivity globally.

Legal Notice

This job advert and its content are the property of 1GLOBAL and are protected by copyright and other intellectual property rights. Copying, reproducing, republishing or distributing this advert, in whole or in part, without 1GLOBAL's prior written consent is prohibited. 1GLOBAL reserves all rights and may take appropriate action against any unauthorised use.

Legitimate 1GLOBAL vacancies only redirect candidates to its official application channels, including LinkedIn and Workable, and 1GLOBAL never charges fees or request payments as part of our recruitment process. If you are unsure whether a vacancy is genuine, please refer to 1GLOBAL careers page at https://www.1global.com/vacancies or contact recruitment@1global.com.

About 1GLOBAL

1GLOBAL is a global telecommunications company that provides mobile connectivity and IoT (Internet of Things) solutions for businesses and enterprises. With a focus on eSIM technology, global data coverage, and mobile network management, the company helps organizations deploy and manage connected devices at scale. Founded in 2010, 1GLOBAL has grown into a significant player in the international telecom sector, serving clients across multiple industries that rely on seamless mobile connectivity.

Industry: Telecom
Founded: 2010
Employees: 200–500
Headquarters: London, UK
In Spain: Madrid

Good to know if you are moving

1GLOBAL has a global presence with offices in multiple countries, including London, which offers a multicultural work environment.
The company is focused on telecom and IoT, which is a growing sector in Europe and offers dynamic career opportunities.
Spain is one of the countries where 1GLOBAL has operations, as evidenced by current job openings in the region.
The company offers roles that may require travel or client-facing activities, especially in sales and network testing positions.

In their own words

About the company & team

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.

About the Ideal Candidate

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 remotely in Portugal, Germany, Spain, Poland, the Netherlands, Ireland, or the UK.

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 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

All open roles at 1GLOBAL