About the Position

Senior DevOps Engineer (m/f/d)

Full-time

Permanent employee

About the Role

Are you an experienced DevOps Engineer who wants to make a real impact on cloud infrastructure serving millions of users worldwide? You'll work with Kubernetes, automate infrastructure and deployments, and collaborate closely with engineering teams to improve the reliability, scalability, and efficiency of our cloud platform.

At Open-Xchange (OX), we develop open-source communication and collaboration software used by public sector organizations, telcos, and hosting providers to keep data secure and under their control. Our products cover email, collaboration, DNS security, and related services, and are used by millions of people worldwide.

Responsibilities

Automate the provisioning of infrastructure, products, and configuration with Terraform, Helm, and GitOps (Argo CD) in collaboration with other engineering teams.
Run our production environments on Kubernetes, both on our own infrastructure and on hyperscalers.
Develop and maintain Helm charts, support other teams with Helm-based deployments, and extend the platform with Kubernetes operators where needed.
Contribute to the management and optimization of storage and database infrastructure.
Join our on-call rotation to handle incidents, troubleshoot issues, and improve overall system reliability.
Collaborate with developers and other engineering teams across the product lifecycle, sharing your expertise and helping us continuously improve our engineering practices and culture.

Tech Stack

Platform: Kubernetes, on Linux
Automation: Terraform, Helm, GitOps with Argo CD
CI/CD: GitLab CI
Observability: Prometheus, Grafana
Languages: Go, Python, Shell
Databases & storage: MariaDB/MySQL, Cassandra, S3

Requirements

Several years of experience with infrastructure-as-code and declarative tooling such as Terraform, Helm, or GitOps (e.g. Argo CD). A background in software development is a strong plus.
Practical experience operating Kubernetes clusters and workloads, including Helm charts, troubleshooting distributed systems, and working with Kubernetes operators.
Solid Linux fundamentals and an understanding of orchestration, automation, and declarative, hands-off operations.
Programming skills in Go, Python, or Shell, along with experience contributing to CI/CD pipelines using tools like GitLab or Jenkins. Go is a plus.
Familiarity with databases and storage solutions. Experience with hyperscalers is a bonus.
Strong English communication skills and a collaborative mindset, with an interest in Open Source technologies and working in remote-first, multicultural teams.
Ability and willingness to work primarily within East Coast US business hours to effectively engage with customers and internal stakeholders.
Applicants must be legally authorized to work in the United States. The company is not able to provide employment visa sponsorship at this time.

What We Offer

The flexibility to work 100% remotely ensures a work environment that suits you best.
Flexible working hours that allow you to successfully combine your home and family responsibilities with work.
Getting together in-person for workshops and fun team events.
Time off to volunteer – and mental health support when you need it.
We provide financial relief through corporate benefits and a subsidy for ergonomic chairs and desks.
We can discuss further location-related benefits together in an initial talk.

About the Company

Join the Team

Join us in our fight for an open internet and deliver added value! Click “Apply now” to submit your application.

Your Contact Person

Reach out to Justin ([email protected]) from the People Team. He will be able to discuss current opportunities and tell you more about our exciting vision and mission @OX.

Senior DevOps Engineer (m/f/d)

Job description