Senior DevOps & Linux Infrastructure Engineer (Mérida)

Link-Worldwide (Merida YUC, Mexico) Follow 4 hours ago

Full-time

ANY CV/RESUME SHOULD BE PROVIDED ON ENGLISH OTHERWISE WE WILL DISCARD YOUR POSITION.

Senior DevOps & Linux Infrastructure Engineer

We are seeking a Senior DevOps & Linux Infrastructure Engineer to support, modernize, and improve the reliability of our production infrastructure.

Key Responsibilities

Manage, maintain, and improve production Linux infrastructure.
Support Docker‑based production services.
Work with Docker Swarm and/or Kubernetes environments.
Build, maintain, and improve CI/CD pipelines, particularly with GitLab CI.
Manage PHP production environments, including PHP‑FPM, Nginx, Apache, worker processes, configuration, and performance tuning.
Improve release processes, including versioned deployments, rollback procedures, deployment history, staging environments, and canary workflows.
Manage PostgreSQL and MariaDB/MySQL databases in production.
Support database operations, including backups, restores, replication, migrations, upgrades, monitoring, and performance troubleshooting.
Analyze and optimize SQL queries, indexes, locks, deadlocks, slow queries, connection limits, and database resource usage.
Manage and troubleshoot Redis, background workers, job queues, retries, and failure handling.
Support S3‑compatible object storage infrastructure, preferably Ceph.
Assist with object storage operations, including bucket management, lifecycle policies, replication, capacity planning, monitoring, and troubleshooting.
Use Ansible or similar tools to automate server provisioning, configuration, and operational tasks.
Write scripts in Bash, Python, or similar languages to automate infrastructure workflows.
Troubleshoot production issues involving Linux, networking, containers, storage, databases, PHP, queues, and web servers.
Improve logging, monitoring, alerting, dashboards, and incident visibility.
Improve infrastructure security, secrets management, access control, and least‑privilege production access.
Create and maintain documentation, runbooks, and operational procedures.

Required Qualifications

5+ years of experience in DevOps, infrastructure engineering, SRE, platform engineering, or Linux systems engineering.
Strong Linux systems administration experience.
Strong understanding of Linux fundamentals, including processes, filesystems, permissions, services, logs, networking, and resource usage.
Production experience with Docker.
Experience with Kubernetes and/or Docker Swarm.
Experience building and maintaining CI/CD pipelines, preferably with GitLab CI.
Strong scripting skills using Bash, Python, or a similar language.
Strong networking knowledge, including DNS, TCP/IP, HTTP/HTTPS, TLS, firewalls, routing, load balancing, reverse proxies, and network troubleshooting.
Production experience with Nginx and/or Apache.
Production experience with PostgreSQL and/or MariaDB/MySQL.
Strong SQL knowledge.
Experience with database backups, restores, replication, monitoring, and performance troubleshooting.
Experience troubleshooting slow queries, indexing issues, locks, deadlocks, connection limits, and transaction behavior.
Understanding of safe schema migration practices in production environments.
Production experience with Redis.
Experience operating background workers, job queues, retries, and failure handling.
Experience with Ansible or similar configuration management tools.
Ability to troubleshoot production systems from first principles.
Strong documentation and communication skills.

Preferred Qualifications

Hands‑on experience operating Ceph or another S3‑compatible object storage platform.
Experience with S3‑compatible storage operations, including replication, lifecycle policies, bucket policies, capacity planning, monitoring, performance tuning, and disk failure handling.
Experience with MinIO, SeaweedFS, or similar self‑managed object storage systems.
Experience with k3s, Helm, cert‑manager, ingress controllers, and ArgoCD.
Experience with GitOps workflows.
Experience with Harbor or other private container registries.
Experience with Prometheus, Grafana, Loki, ELK/OpenSearch, Sentry, or similar observability tools.
Experience with NFS, shared storage systems, and migrations away from fragile shared filesystem patterns.
Experience with PCI‑sensitive, payment‑related, or security‑sensitive infrastructure.
Experience designing backup, restore, disaster recovery, and high‑availability procedures.
Experience with Terraform or other infrastructure‑as‑code tools.

Technical Environment