Cloud Infrastructure Engineer (Open LMS) Colombia, Remote
Lietuvos Geležinkeliai8 hours ago
Remote, ColombiaSenior
Responsibilities
- Design, build, and maintain AWS infrastructure and networking for a multi-tenant SaaS platform.
- Author and maintain Terraform modules and Puppet modules for production infrastructure and EC2 fleets.
- Develop and maintain Python automation, production daemons, and operational tooling.
- Operate distributed service discovery, configuration management, caching, storage, and observability systems.
- Run and scale Prometheus, Grafana, Loki, Fluentd, and PagerDuty workflows while participating in on-call rotations.
- Contribute to platform architecture, scalability strategies, deployment workflows, release processes, and infrastructure evolution.
- Collaborate on API contracts, integration patterns, and operational tooling.
- Participate in incident response, root cause analysis, and platform reliability improvements.
Requirements
- Strong production experience with AWS, particularly EC2, RDS, S3, SQS, Lambda, ALB, ElastiCache, Route 53, IAM, and VPC networking.
- Proficiency authoring and maintaining Terraform modules for production infrastructure.
- Experience with configuration management tools such as Puppet, Ansible, Chef, or Salt, with the ability to maintain Puppet environments.
- Solid Python skills for maintaining production automation and daemons.
- Strong Linux systems administration experience covering web servers, networking, performance analysis, troubleshooting, and systems tuning, preferably with Ubuntu.
- Knowledge of PHP-FPM, Varnish, systemd, filesystem mounts, and networking fundamentals.
- Understanding of distributed systems concepts including consensus, leader election, distributed locking, eventual consistency, and related tradeoffs.
- Production experience building and maintaining observability pipelines using Prometheus, Grafana, Loki, or equivalent tools.
- Experience supporting infrastructure deployment and release processes in a GitLab-based environment.
- Ability to document architectural decisions and explain technical tradeoffs to technical and non-technical stakeholders.
- Preferred experience with distributed storage systems such as Ceph, GlusterFS, JuiceFS, CubeFS, or AWS EFS.
- Preferred familiarity with etcd, Consul, or ZooKeeper, including watch APIs, TTL-based locking, and cluster operations.
- Preferred experience with Varnish and VCL, PHP integration scripts, multi-tenant SaaS platform design, Moodle LMS, secrets management, credential rotation, and zero-downtime VM-based deployments.
Benefits
- Remote role based in Colombia.
- Participation in on-call rotations is part of the role.
- Open LMS is an equal employment opportunity/affirmative action employer.
About Lietuvos Geležinkeliai
Lietuvos Geležinkeliai (LTG) is Lithuania’s state-owned railway group, operating passenger and freight services and managing the national rail infrastructure plus related engineering and IT systems. It earns revenue from transport services and infrastructure management, including through subsidiaries LTG Link, LTG Cargo, and LTG Infra. Headquartered in Vilnius, it is the largest railway group in the Baltic States and delivers strategic rail projects that connect Lithuania domestically and internationally.