Cloud Infrastructure Engineer (Open LMS) Colombia, Remote

Location: Colombia — Remote within Colombia

Company

hirify.global develops Open LMS, a multi-tenant SaaS hosting platform that dynamically provisions, manages, and scales Moodle LMS instances for education clients.

What you will do

• Design, build, maintain, and scale AWS infrastructure with Terraform across EC2, RDS, S3, SQS, Lambda, ALB, ElastiCache, Route 53, IAM, and VPC networking.
• Write and maintain Puppet modules and Python automation for fleets of EC2 instances and platform operations.
• Operate distributed service discovery, configuration management, caching, storage, and observability platforms.
• Run and improve Prometheus, Grafana, Loki, Fluentd, and PagerDuty, including participation in on-call rotations.
• Contribute to architecture, scalability, deployment, release, API integration, incident response, root cause analysis, and reliability improvements.

Requirements

• Strong production experience with AWS services, especially 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-based environments.
• Solid Python skills for production daemons and automation tooling.
• Strong Linux systems administration experience covering web servers, networking, performance analysis, troubleshooting, and production 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.
• Experience building and maintaining production observability pipelines with Prometheus, Grafana, Loki, or equivalent tools.
• Ability to support and improve infrastructure deployment and release processes in a GitLab-based environment.
• Clear communication skills for documenting architecture decisions and explaining technical tradeoffs to technical and non-technical stakeholders.

Nice to have

• Experience with distributed storage systems such as Ceph, GlusterFS, JuiceFS, CubeFS, or AWS EFS, particularly for migration or evaluation.
• Familiarity with etcd, Consul, or ZooKeeper, including watch APIs, TTL-based locking, and cluster operations.
• Experience with Varnish and VCL, dynamic backend routing, or multi-tenant configurations.
• Working knowledge of PHP for maintaining infrastructure-to-application integration scripts.
• Background designing multi-tenant SaaS platforms, particularly database-per-tenant models on shared infrastructure.
• Familiarity with Moodle LMS or education technology platforms.
• Experience with AWS Secrets Manager, HashiCorp Vault, Parameter Store, and automated credential rotation.
• Experience designing zero-downtime deployments for VM-based, non-containerized environments.

Culture & Benefits

• Full-time, remote work restricted to Colombia.
• Hands-on ownership and influence over platform architecture and infrastructure direction.
• Participation in on-call rotations and incident response.
• Work on a large-scale, multi-tenant SaaS platform for education clients.