4 days ago
São Paulo, BrazilSenior
Responsibilities
- Administer self-managed databases and the cloud-hosted Oracle database, including backups, replication, upgrades, and performance tuning.
- Run and patch Linux VMs and on-premises machines, including regular patching of VMs and EC2 instances.
- Build VM images with Packer and manage configuration with Ansible at scale.
- Operate site-to-site IPsec and client VPNs.
- Operate OpenStack with the infrastructure operations team.
- Upgrade and maintain self-hosted GitLab.
- Tune and optimise MySQL database performance and upgrade systems to supported versions.
- Own production systems, participate in on-call operations, write design documentation, evaluate trade-offs, and mentor engineers.
Requirements
- 5+ years of experience in DevOps, infrastructure, or platform engineering, including ownership of production systems and on-call work.
- Deep Linux administration experience, including troubleshooting, performance tuning, patching, and hardening on RHEL or similar systems.
- Experience administering self-managed MySQL or PostgreSQL databases, including backup and restore, replication, upgrades, and performance tuning.
- In-depth networking and storage knowledge covering TCP/IP, routing, firewalls, block and file storage, LVM, and RAID.
- Experience with Ansible at scale.
- Production experience with VMware or OpenStack.
- Experience operating site-to-site IPsec and client VPNs.
- Proficiency with Bash and Python.
- Ability to write design documents, reason about trade-offs, and mentor other engineers.
- Fluent written and spoken English; applicants should submit a CV in English.
- Preferred experience includes Packer, Terraform, self-hosted GitLab administration, Nexus or other artifact repositories, Ceph or other distributed storage, SDN, Docker, and container runtimes.
Benefits
- Hybrid workplace in São Paulo with a full-time CLT contract.
- Quarterly performance bonuses.
- Meal allowance of R$100 per working day paid through a Caju card.
- Health insurance through SulAmérica, with 50% covered by the company.
- Extended parental leave of 180 days for maternity and 20 days for paternity.
- Daycare allowance of R$500 per month per child for mothers with children under three.
- Professional development, international office opportunities, and career growth in a global telecommunications technology company.
Tech Stack
Categories
About 1GLOBAL
1GLOBAL provides eSIM-based mobile connectivity and an owned global core network for enterprises, consumers, and IoT device makers, sold via subscriptions and wholesale/MVNO services. The privately held company operates as a regulated telecom provider across 40 countries, including MVNO operations in 12 markets, and offers APIs to embed mobile service into brands and apps. Founded in 2022 by Hakan Koç and Pyrros Koussios, it is headquartered in Amsterdam.