Overview
In this role you own and optimize Metricool's Mautic infrastructure hosted on AWS, delivering high-scale email sending through Amazon SES. You'll collaborate with cross-functional teams to move from firefighting to a stable, scalable system and contribute to our data platform roadmap. You'll own system performance, reliability, and deliverability, with a focus on process improvements and documentation. This is a remote role with strong ownership and a mission to build robust, scalable infrastructure.
Compensaciones / Beneficios Fully remote
100% adaptable schedule
Health insurance
Language lessons (EN/ES/FR/DE)
Annual in-person Epic Weekend
Competitive salary (40k–47k)
Responsabilidades Optimize Mautic infrastructure, MySQL databases under heavy load, and queues (RabbitMQ) to support millions of emails daily
Improve Mautic processing (segments, campaigns, sending jobs) to ensure daily updates and fast sends
Maintain system stability by monitoring, troubleshooting, and scaling to ~3M emails/day
Tune deliverability settings (SPF/DKIM/DMARC, bounces, complaints)



and handle incident response during sends
Triage and respond to Marketing/Product requests; reproduce, fix, and communicate outcomes
Maintain and evolve Mautic's PHP/Symfony plugins and modules; write documentation and runbooks
Contribute to data platform efforts (ClickHouse, Python pipelines, Go services, Aerospike) in the medium term
Requisitos principales Location: Spain
Senior experience (≥5 years) in systems, infrastructure, or technical operations
Background as senior technical support in hosting environments; servers, Linux, DNS, networking, email sending, domain reputation and security
Proven MySQL optimization under heavy load
English fluency (min B2); Spanish preferred
PHP with Symfony; AWS (EC2, SES) experience; email-sending infrastructure experience
Problem solving with a strong service mindset
Clear communication with non-technical teams
Calm and curious under high request volumes
PHP
Symf

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