About Upsun (formerly Platform.sh)

Upsun is the cloud application platform humans and robots love. It is built for today’s hybrid teams, where AI agents write and test code and humans focus on solving the problems that really matter. Developers, DevOps engineers, and platform teams use Upsun to build, ship, and scale confidently without wrestling with backend infrastructure. We give you your time back. You get:

Predictable performance, even at scale
Secure, compliant environments by default
Real-time observability and profiling built in
Cloning, configuration, and provisioning in seconds
AI-ready features that plug directly into your stack

The name says it all. "Up" means uptime, reliability, and acceleration. "Sun" reflects our follow-the-sun-support, a 24x7, globally distributed support team keeping the lights on while you rest. Our core belief is that software should power brighter solutions and greater innovation.

Upsunners are a remote, global workforce, and we thrive in a multicultural team. We are committed to open source and an open, welcoming environment. Our team spans the globe and the experience spectrum.

What's our commonality, our cultural fabric? A curious spirit and a thirst for knowledge; an eagerness for innovative ideas and cultures. We believe we can build anything together in an environment that frees you to do your best work.

Our values:

We make a positive impact.

✨ We aim for the stars.

We care for each other.

Impact of a Site Reliability Engineer

As a Site Reliability Engineer at Upsun, you are a key part of our team’s addition to the Site Reliability Engineering (SRE) model, moving from traditional Cloud Operations to an automation-driven approach. This shift enhances system reliability, scalability, and efficiency, positioning SRE as a core function within the company.

Moreover, in this role, you focus on improving infrastructure, automating operational tasks, and streamlining processes. You work closely with developers, engineers, and product teams to ensure reliability is embedded throughout the application lifecycle.

As part of this transition, you also help optimize cloud-based systems, reduce manual work, and drive continuous improvements, playing a vital role in the organization’s overall success and long-term stability.

What to expect

Refine Monitoring and Observability: Enhance system monitoring with tools like Prometheus, Grafana, and ELK Stack, ensuring visibility and alignment with business objectives.
Automate Deployments and Workflows: Transition manual processes to automated solutions using IaC tools (e.g., Terraform, Ansible) to streamline deployments and improve operational efficiency.
Optimize CI/CD Pipelines: Improve pipeline architecture for fast, reliable releases, ensuring scalability and resilience to handle high volumes of changes.
Cloud Infrastructure Management: Help scale cloud-based systems on platforms like AWS, GCP, and Azure while minimizing technical debt and operational complexity.
Incident Response and Post-Mortem: Support incident management and lead post-mortem analysis, ensuring continuous improvement and knowledge sharing.
Collaborate with Cross-Functional Teams: Work closely with engineering and product teams to integrate reliability practices into the development lifecycle and prioritize reliability efforts.
Drive Technical Innovation: Introduce and champion new tools, technologies, and practices that improve system reliability, performance, and scalability.

What you bring

DevOps, Cloud Operations, or SRE Expertise: A solid understanding of DevOps, Cloud Operations, or SRE principles, with a focus on reliability and scalability.
Advanced Linux Internals Expertise: Hands-on experience with Linux systems, including performance tuning, kernel configurations, and troubleshooting.
Programming Languages: Proficiency in programming languages such as Go (preferred) or Python, with a focus on building tools and automating processes.
Scripting Skills: Strong skills in scripting languages like Python, Bash, or Go to automate workflows, streamline tasks, and manage infrastructure.
Cloud Infrastructure Knowledge: Extensive experience with cloud platforms like AWS, GCP, and Azure, along with expertise in monitoring/logging frameworks and CI/CD pipelines.
Containerization and Orchestration: Hands-on experience with Docker, Kubernetes, and other containerization technologies for building and deploying scalable applications is a nice to have.
Problem-Solving and Collaboration: Strong problem-solving skills, system design experience, and the ability to collaborate effectively across teams.

Where we hire

At Upsun, remote work isn't just a trend - it's our foundation. The freedom of remote work with the support of a diverse, global team has been our successful model for over a decade. Our culture celebrates flexibility and collaboration, and while we have team members in over 30 countries around the globe, we are currently focused on hiring for this role in France, Germany, Spain, or the United Kingdom. Although we’re unable to provide visa sponsorship at this time, we welcome applications from all qualified candidates who are legally authorized to work in these countries.

How we hire

We know that a great hire won’t meet every requirement that we’ve outlined. If you can see yourself elevating the team, we want to hear your story. Few of us would be here had we not taken a chance.

You can expect 4 interviews on Google Meet to follow the order below. Should you successfully move through the entire process you will have the opportunity to meet with a variety of Upsunners. Our goal is to ensure you can make the most informed decision on whether this role, and our culture aligns with what you’re looking for in your future working environment.

45 Minutes with Talent Acquisition
60 Minutes with Hiring Manager (Director, Site Reliability Engineering)
60 Minutes with Team (ICs)
45 Minutes with Senior Director, Site Reliability Engineering

All roles require background checks.

What we offer

A product you can believe in - Join us in transforming how businesses build and manage web applications, driven making a positive impact as a proud B Corp.

An Award-Winning Workplace - We’ve been recognized by Forbes’ Top 30 Companies for Remote Jobs and France’s Best Workplaces for Women.

️ A culture that values your voice - Join a flexible, open, and inclusive work environment where your voice is encouraged, and your ideas shape our growth and evolution.

A global team - Collaborate with colleagues from diverse backgrounds across the world, embracing different perspectives

Benefits and perks - Make the most of what matters to you

Flexible PTO

Comprehensive healthcare coverage (UK, France, Spain)

Company stock options

Professional development budget

Office equipment budget

‍♀️ Wellness budget

Annual team gatherings

Internet reimbursement

Inclusive parental leave

✈️ Remote work travel program

You belong here

At Upsun, we celebrate diversity in all its forms and are committed to fostering an inclusive, equitable, and supportive workplace where everyone can thrive. We embrace and value different perspectives, backgrounds, and experiences, because they make us stronger as a team. Whoever you are, wherever you're from, and whatever path you've taken, you are welcome here. We encourage you to bring your whole self to work, connect with others, and share your passion. If you need accommodations at any stage of our hiring process, please let us know. We're here to ensure an accessible and comfortable experience for you.

Upsun (formerly Platform.sh)

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