Site Reliability Engineer

Tyk Technologies Ltd; Lisboa; Remote; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Unlimited holidays

Flexible working hours

Employee share scheme

Maternity & paternity leave

Company retreats

Job summary

Tyk is seeking a Site Reliability Engineer in Lisbon to join a centralized SRE team. You’ll build and automate at scale across multi-region Kubernetes, run services like MongoDB and Redis, and improve observability while on-call. The role emphasizes learning, shadowing first, and collaborating with product teams.

We value flexibility with unlimited holidays and remote work from anywhere. If you enjoy solving hard problems and shaping the platform, apply to join Tyk Cloud growth across regions

Qualifications

• 3+ years in SRE, platform or infrastructure roles.
• Hands-on experience running production Kubernetes at scale, ideally EKS.
• Experience designing and operating infrastructure on AWS, with Terraform or similar.
• Ability to write, test and ship Go tooling or services.
• Strong knowledge of Prometheus and Grafana and logging systems.
• Solid Linux and networking fundamentals (DNS, TCP/IP, HTTP, TLS).
• Clear communication across time zones and teams.

Responsibilities

• Deliver the team's planned work each quarter, optimise the platform and build self-serve tooling.
• Expand Tyk Cloud across regions and clouds while reducing costs.
• Automate operations in Go and maintain Kubernetes operators.
• Run the platform services and databases (MongoDB, Redis).
• Improve observability with metrics, dashboards and alerts; maintain runbooks.
• Support SOC 2 audits and security work; on-call rotations.

Skills

On-call ownership

Incident leadership

Kubernetes at scale

Go tooling

Prometheus & Grafana

Linux networking

Tools

EKS

Terraform

Terragrunt

Helm

GitHub Actions

Argo CD

MongoDB

Redis

Job description

Our Mission

Tyk is on a mission to connect every system in the world. We've started by building an API Management platform. Total flexibility, default remote, radical responsibility We offer unlimited paid holidays and remote working from anywhere in the world, for everyone, Why? Tyk was founded on the principle of offering flexibility and autonomy to our employees, we believe this allows our employees to achieve their best results. It also means we can build the best possible team, location and working hours are no barrier. If this sounds like an environment that you believe could work for you then read on to find out more.

The role:

Tyk Cloud is our managed API management platform, running on multi-region Kubernetes at scale for customers around the world. We're looking for an SRE who's as comfortable in the code as in the infrastructure. You'll spend most of your time improving and automating the platform, and when you're on call, you'll handle incidents independently. You'll join a small, centralised SRE team that works closely with our product teams. You don't need to have done everything below. We care most about how you reason through problems and how quickly you learn. You'll have three to four months to get up to speed, shadowing first, before you go on call.

What you'll do:

Most of your time Deliver the team's planned work each quarter, such as optimising the platform, building self‑serve tooling for other teams, and rearchitecting parts of the platform as it grows. Help expand Tyk Cloud across regions and clouds, and bring down what it costs to run. Automate operations in Go, including building and maintaining our custom Kubernetes operators. Run the platform's services and databases, including MongoDB and Redis.

Improve our observability: find the metrics that matter, and build the dashboards and alerts to act on them. Keep runbooks and documentation current, and support security work such as SOC 2 audits. When you're on call You'll be doing one week in three initially (one in four as we grow), Monday-Friday, on a 12-hour shift with secondary backup support. Rotas: 12 PM-12 AM UTC Be first line for platform alerts and incidents: restore service, elevate or help fix product bugs, and lead post‑incident reviews.

Act as second line for our Customer Success team, on requests that come directly from customers. Handle ad hoc requests from other teams across the organisation regarding Tyk Cloud.

What you'll need:

3+ years in SRE, platform or infrastructure roles, across more than one company or production platform. Experience owning on-call and leading incidents yourself. Hands‑on experience running production Kubernetes at scale, ideally EKS: operating, upgrading and debugging large, multi‑tenant clusters. Experience designing and operating infrastructure on AWS, with Terraform or similar. The ability to write, test and ship Go tooling or services. Experience with Prometheus and Grafana, and with logging systems. Solid Linux and networking fundamentals (DNS, TCP/IP, HTTP, TLS, load balancing). Clear communication across time zones and teams. Our stack EKS, Terraform/Terragrunt, Helm, GitHub Actions, Argo CD, MongoDB, Redis, Prometheus and Grafana.

Here’s why you should join us:

Everyone has unlimited paid holiday. We have total flexibility in hours, as we believe creativity flows better when our people are given freedom to decide when they are most productive. Everyone is unique after all. Employee share scheme Generous maternity and paternity leave Company retreats We all share the same vision - we value authenticity, respect, responsibility, independence, honesty, diversity and inclusion and most importantly treating others how you wish to be treated. We look for like‑minded people who bring their personalities to work everyday, strive to achieve their personal goals and who are willing to challenge the way we do things, why? - to make what we do even better! Our values tell the story of Tyk - here's how: It's ok to screw up! We've found that it's often the 'stupid' or unexpected ideas that turn out to be the successful ones - so try

Site Reliability Engineer Lisbon, Portuguese Republic, PT