Site Reliability Engineer (m/f/d)

gridscale GmbH
Köln Full-time Software Development Posted May 28, 2026 Expires June 27, 2026
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About This Role

At our company, it’s all about #OneTeam! Join gridscale and help shape the future of the cloud together with OVH.

As a leading tech company, we’ve been working for over two decades to reduce our environmental footprint - with innovative solutions and an open cloud designed to be sustainable from the ground up: #SustainableByDesign.

As the Cloud Store team, we provide the framework to automate an standardized deployment on top of the OnPrem Cloud Platform. Are you passionate about air-gapped cloud environments and edge technologies? Then you've come to the right place.

Our Tech Stack 🚀

•Kubernetes •GitOps •Ansible •Terraform •Prometheus

•Grafana •Linux •OpenStack•Python, Bash & Go

Your Role💻

As a Site Reliability Engineer, you'll be part of a team responsible for building the framework to package and deploy software solutions on top of OPCP. You'll work on the conception, automation, and operation of our platform and drive continuous improvements. You'll help new teams onboard with the framework and OPCP. We're looking for someone who is comfortable in a security-oriented environment with a high degree of automation (GitOps). You are used to maintaining an overview of ambiguous situations, analyzing systems, and making well-founded decisions based on this analysis

Your Tasks

    • Build the framework for building and deploying Cloud Store packages

    • Drive the ongoing development of our Kubernetes stack and implement GitOps workflows (e.g., with FluxCD)

    • Support other teams and help them onboard with OPCP

    • Actively participate in system analysis and derive improvements, even when initial requirements are unclear

    • Develop and maintain our Infrastructure as Code using tools like Ansible and Terraform.

    • Participate in an on-call rotation.

What we offer you💼

    • Exceptional team spirit across all departments and national borders; we live #OneTeam

    • Exciting work in a highly innovative and international environment with cutting-edge technologies

    • 32 vacation days, increasing with length of service

    • Flexible working hours, home office options, and a secure permanent position with market- and performance-based compensation

    • Employer-funded pension plan and an attractive insurance package

    • OVHcloud covers 50% of public transportation costs

    • Up to €400 annual financial contribution from OVHcloud towards sports activities (gym membership, sports classes, etc.)

    • Through Corporate Benefits, you receive attractive discounts at numerous shops and companies

    • We contribute to the leasing of your cargo bike

    • Regular company events and free cold and hot beverages

    • Deep knowledge of Linux/Unix system administration and internals

    • Hands-on experience with cloud platforms, especially OpenStack, including infrastructure provisioning and management

    • Proficiency with Infrastructure as Code tools such as Terraform and Ansible

    • Experience with containerization and orchestration technologies, especially Kubernetes

    • Skilled in building and maintaining CI/CD pipelines

    • Hands-on experience with modern observability stacks, including metrics, logs and traces

    • Proficiency in scripting and automation using Python, Bash, and Go

    • Understanding of security fundamentals including IAM, secrets management, hardening and compliance

    • Understanding of distributed systems concepts such as the CAP theorem, consensus and fault tolerance

    • Strong problem-solving skills, adaptability and strict documentation discipline

    • Ability to thrive in collaborative product-team environments with a strong ownership mentality and a blameless culture mindset

    • Strong communication skills and a passion for continuous improvement

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Position Details

    • Job Title: Site Reliability Engineer (m/f/d)
    • Company / Organisation: gridscale GmbH
    • Location: Köln
    • Employment Type: Full-time
    • Field / Industry: Software Development
    • Work Arrangement: On-site or hybrid - Köln

About This Opportunity

This full-time opportunity at gridscale GmbH is an excellent opening for experienced professionals in the field of software engineering and technology. The role is structured around an on-site or hybrid environment based in Köln and is designed for candidates who are ready to make a meaningful contribution from the moment they join.

Based in Köln, this role offers the opportunity to collaborate closely with a local team in a structured professional environment. Candidates currently based in the area or open to relocation are strongly encouraged to apply.

Whether you are an established practitioner in software engineering and technology or a highly skilled professional looking for your next challenge, this Site Reliability Engineer (m/f/d) role offers the platform to apply your expertise in a real-world, results-oriented environment. gridscale GmbH is looking for a candidate who can hit the ground running and add genuine value to the team.

Who Should Apply

This role is ideal for candidates who have a solid background in software engineering and technology and a demonstrable track record of delivering high-quality results. You should possess analytical thinking, attention to technical detail, and a methodical approach to problem-solving. Experience working with modern development tools, version control systems, and cloud platforms will be an advantage, though a commitment to continuous learning and professional development is equally valued.

Beyond technical or domain expertise, gridscale GmbH is looking for someone who communicates clearly, collaborates effectively with colleagues and stakeholders, and takes ownership of their work from start to finish. If you thrive in a professional environment and are passionate about the opportunity to build reliable, scalable, and high-performing digital products, we encourage you to apply.

Key Competencies for This Role

Successful candidates for the Site Reliability Engineer (m/f/d) position at gridscale GmbH will typically demonstrate the following core competencies:

    • Domain expertise - a strong foundation of knowledge and hands-on experience in software engineering and technology
    • Problem-solving ability - the capacity to identify challenges, think critically, and implement practical solutions efficiently
    • Communication skills - clear and professional communication with colleagues, stakeholders, and partners at all levels
    • Self-management - strong time management and the ability to prioritise a varied workload while meeting deadlines
    • Team collaboration - a collaborative and supportive approach to working alongside colleagues across departments or locations
    • Adaptability - the ability to respond positively to change and thrive in a dynamic, evolving work environment

How to Apply

To apply for this Site Reliability Engineer (m/f/d) position at gridscale GmbH, click the "Apply Now" button on this page. You will be taken directly to the official application page where you can complete and submit your application.

Before applying, please ensure that your CV or résumé is fully up to date and clearly highlights your experience and accomplishments in software engineering and technology. If a cover letter is included or requested, tailor it specifically to this role and explain how your background, skills, and goals align with what gridscale GmbH is looking for in a Site Reliability Engineer (m/f/d).

All applications for this role are processed directly by gridscale GmbH. Career Nest facilitates the job discovery process and does not pre-screen or forward applications on behalf of employers. There are no fees for job seekers at any stage of the application process.

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