Senior Infrastructure

Há 6 dias

Lisboa, Lisboa, Portugal GrabJobs Tempo inteiro

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Client:

1global

Location:

Lisboa, Portugal

Job Category:

Other

-$0-0/monthly

EU work permit required:

Yes

Job Views:

5

Posted:

22.03.2025

Expiry Date:

06.05.2025

Job Description:

1GLOBAL is a technology-driven global mobile communications provider dedicated to empowering enterprises worldwide to unlock the full growth potential of mobile connectivity. With a best-in-class telecom technology platform, a comprehensive suite of globally viable regulatory licenses, and privileged access to the telecom wholesale market, 1GLOBAL is uniquely positioned to deliver seamless compliance and connectivity solutions. Serving the world's leading banks, corporations, and digital-first businesses—including neo-banks, travel companies, and payment service providers—1GLOBAL connects over 43 million devices globally.

With 2024 full-year revenue exceeding US$100 million, 1GLOBAL is a profitable business generating significant cash flows to fund its ongoing investments in infrastructure, transformation, and growth. 2024 saw major client wins and marked 1GLOBAL's evolution from a multi-market telecommunication provider to a global technology-driven mobile connectivity powerhouse.

Established in 2022 by experienced tech founders and entrepreneurs Hakan Koç and Pyrros Koussios, 1GLOBAL is a European technology leader driving digital transformation in the global telecommunications market. It operates as a fully regulated Mobile Virtual Network Operator ("MVNO") in nine countries and as a regulated telecommunications operator in an additional 31 countries. Headquartered in the Netherlands, with world-class R&D hubs in Lisbon, Berlin, and São Paulo, 1GLOBAL employs over 400 experts across 13 countries.

Position Overview

We are seeking a Senior Infrastructure & DevOps Engineer to help design, manage, and automate our private cloud infrastructure. This role requires deep expertise in on-premises infrastructure—including physical servers, storage, virtualization (VMware & other hypervisors), and networking—combined with a strong DevOps mindset and Infrastructure as Code (IaC) approach.

You will play a key role in modernizing infrastructure operations using GitOps methodologies, ensuring that our infrastructure is scalable, reliable, and fully automated.

Key Responsibilities
  • Private Cloud Management: Oversee and optimize on-premises infrastructure, including VMware and other hypervisors, physical servers, and storage solutions.
  • Infrastructure as Code (IaC): Implement and enforce GitOps workflows, automating provisioning and configuration using Terraform, Ansible, and other IaC tools.
  • Virtualization & Compute: Manage and optimize virtualization environments (VMware vSphere, ESXi, KVM, etc.).
  • Storage & Networking: Design and manage storage solutions (SAN, NAS, SDS) and work with networking components (VLANs, Load Balancers, DNS, etc.).
  • Automation & CI/CD: Develop and maintain automation for infrastructure deployment, monitoring, and maintenance via GitOps, CI/CD pipelines, and configuration management.
  • Observability & Monitoring: Ensure system reliability through Prometheus, Grafana, ELK stack, or similar monitoring solutions.
  • Security & Compliance: Implement security best practices, including IAM, role-based access control (RBAC), system hardening, and compliance with industry standards.
  • Collaboration & Documentation: Work closely with cross-functional teams to improve infrastructure scalability, reliability, and automation processes.
Qualifications:
  • Experience: Minimum 5 years in infrastructure engineering, with expertise in building, deploying, and managing global infrastructure systems.
  • Linux Expertise: Strong knowledge of Red Hat Linux/Rocky Linux (or similar) and Linux system administration.
  • Virtualisation: Hands-on experience with VMware ESXi for managing virtualised environments (installation, configuration, troubleshooting).
  • Infrastructure as Code: Proficient in Terraform, Ansible, Packer, and Puppet for automating infrastructure provisioning and management.
  • HCI (Hyper-Converged Infrastructure): Experience designing, deploying, and managing HCI solutions.
  • Kubernetes & Containerisation: Expertise in Kubernetes, Helm, and service mesh technologies (e.g., Istio) for container orchestration.
  • Networking: Deep understanding of high-performance networking, SR-IOV, NFV, and networking protocols (TCP/IP, UDP, ICMP, DNS).
  • System Architecture: Knowledge of hardware concepts (disk subsystems, memory, CPU, NICs, RAID, I/O subsystems, HBA, iSCSI, Fiber Channel, Ethernet) and performance optimisation.
  • Security & Compliance: Experience with system hardening, compliance frameworks (CIS, GDPR), and IAM systems (OpenLDAP, Active Directory, PAM).
  • Monitoring & Observability: Expertise in tools like Prometheus, Grafana, Alertmanager, and Loki for system monitoring and proactive issue resolution.
  • CI/CD & Automation: Familiar with CI/CD pipelines, automated testing, and contributing to infrastructure automation.
  • Scripting & Programming: Proficient in Python, Bash, or Go for infrastructure management and automation.
  • Storage Technologies: Familiar with SDS (Software Defined Storage) and data protection strategies (backup, disaster recovery).
  • Problem-Solving: Strong problem-solving mindset and ability to resolve infrastructure issues under pressure.
  • Continuous Learning: Passionate about staying up-to-date with the latest technologies and best practices in infrastructure.
Why 1GLOBAL?
  • Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 40% 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.

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