Senior Cloud Security Engineer
1GLOBALTel-Aviv, Tel-Aviv District, Israel • Lisbon, Portugal • São Paulo, Brazil
Posted September 30, 2025
Full Time
About the Company
WE’RE ON A MISSION TO CONNECT THE WORLD SEAMLESSLY That’s why we aim to enable more connections than anyone else and why we’ve been pioneering the eSIM revolution from the very beginning. From international enterprises and consumers to IOT device makers and Telecommunications operators, our global network and connectivity solutions enable people, devices and networks to connect anywhere, instantly, with one platform to connect billions. Headquartered in the UK and with offices across four continents, we’ve invested over £550 million in building our unique proposition and becoming one of the world’s leading innovators in eSIM, cloud and digital solutions. As a result, we’ve become a leading technology company and eSIM trailblazer that’s trusted by thousands of international businesses across hundreds of countries, including global brands, powerhouse network providers and leading banks and financial institutions. One truly global network. One global supplier. One complete solution that revolutionises the world of connectivity and connects people, devices and networks seamlessly all around the world. Because we believe that the better the world communicates, the better the world.
Job Description
1Global is seeking a Senior DevSecOps / Cloud Security Engineer to strengthen and automate its security posture across cloud and hybrid infrastructure. The role involves embedding security into all stages of the infrastructure lifecycle, from design to deployment, with a focus on cloud-native security controls and network protection. 1Global is a European technology leader operating as a fully regulated mobile virtual network operator (MVNO) in 10 countries and a regulated telecommunications operator in 31 countries.
Requirements
- A minimum of 5 years in DevSecOps, Cloud Security, or Infrastructure Security roles
- Strong expertise in AWS security services (IAM, KMS, GuardDuty, Config, Security Hub, etc.)
- In-depth understanding of network security principles (firewalls, routing, segmentation, VPNs, IPsec, etc.)
- Experience operating CrowdStrike Falcon and Tenable Nessus / Tenable.io
- Experience with WAFs, DDoS protection,NIDS/NIPS,and threat intelligence integrations
- Comfortable withpacket inspection, flow analysis,and traffic monitoring (tcpdump, Wireshark, Suricata, etc.)
- Proficiency in Infrastructure as Code (Terraform, Terragrunt) and configuration management (Ansible, Packer)
- Strong scripting/programming skills (Python, Go, or Bash) for automation and tooling
- Solid understanding of Linux security hardening and secure cloud networking
- Familiarity with service mesh security in Istio or similar
- Experience with GitOps workflows using tools like Argo CD or Flux
- Understanding of vulnerability management, secure software development lifecycle (SSDLC), and security controls for containers
Benefits
- CLT contract
- Quarterly performance bonuses
- Meal allowance
- Health insurance
- Daycare allowance
- Welcome onboarding trip
- Professional development