If you love getting deep into servers, databases, networking, and the inner workings of how email really gets delivered at scale, you'll feel right at home with us. You will have the possibility to work 100% remotely, working in a high-growth international B2B SaaS, in which all members love to create, work in teams, analyze and help Community Managers make their work easier.

Your mission is to become the dedicated, specialized owner of our Mautic infrastructure (hosted on AWS, sending through Amazon SES), working closely with Borja, who will be your technical lead, and partnering with Marketing, Product, Data and Revenue to move the team from firefighting to a stable, scalable system. In the medium term, you'll also help build out our data platform and attribution work.

As Senior Technical Operations

Engineer,Systems optimisation: optimise the servers, heavy MySQL databases (slow queries, indexes, table maintenance, historical data cleanup) and queues (RabbitMQ) behind our Mautic instance, a very large setup sending millions of emails a day, hosted on AWS and sending through Amazon SES.System stability: monitor sends, queues and servers, detect and fix issues before they impact a campaign, and scale the platform so it can send ~3M emails/day without outages.It's already automated, so this is more about occasional fine-tuning than a main focus.Handle and triage requests and bug reports from Marketing (and Product) via Slack: reproduce, fix, explain, and follow up.Maintain and evolve Mautic's custom code (PHP/Symfony plugins and modules), using AI tools as support.Document the architecture, runbooks and fixes.Medium term: contribute to our data platform (ClickHouse, Python export pipelines, Go services, Aerospike) and to attribution.As a Team Member,Cross-functional Alignment: Collaborate closely with Marketing, Product, Data and Revenue,



turning their tickets and complaints into lasting fixes rather than quick patches.Culture of Excellence: Work side by side with Borja, your technical lead, and support a feedback-driven, service-minded environment.Full context on how Mautic is set up at Metricool, infrastructure, databases, queues, SES, integrations and known issues.Mautic is stable, segments update correctly, databases run healthily and Mautic doesn't go down. You'll take part in this year's Black Friday sending process and start preparing to take full ownership of it next year.You've helped build internal processes, advanced reporting and specific customizations on top of it, and you're already contributing to our data work.Experience: the knowledge of a senior technical support specialist at a hosting company, covering servers, Linux, DNS, infrastructure, networking, traffic, email sending, domain reputation and security.Proven experience administering and optimizing MySQL databases under heavy load.Languages: English is mandatory (minimum B2); Spanish is highly preferred.PHP, with Symfony as a strong plus.Experience with AWS (EC2, SES) is highly valuable.Mautic itself, RabbitMQ, Aerospike, ClickHouse and data pipelines, Go, and using AI tools to write and maintain code.Genuine curiosity and passion for how the Internet works, backed by solid hands-on fundamentals.Truly Remote: Work from wherever you're most productive.

Health Insurance: We've got you covered so you can work with peace of mind.We're an international team speaking English, Spanish, French, and German.

The Epic Weekend: Once a year, we all get together in person to hang out, touch grass, and remind ourselves we're not just avatars on Slack.Salary: We are actively working to align our budgets with market standards, offering highly competitive salary packages. For this position we estimate between 40,000 and 47,000 (annually)Growth: We're a fast-growing company.

First interview: cultural fit interview with People.

📌 Senior Technical Operations Engineer - Email, Mautic & Data (Remote, Spain) (Barcelona)
🏢 Team.Blue
📍 Barcelona