Site Reliability Engineer (m/f/d)

About Codesphere

Codesphere is a Virtual Cloud Provider from Germany building the future of sovereign cloud infrastructure. Our platform gives enterprises and governments full sovereignty without giving up modern cloud capability - a vision recently validated by a series of multi-million European government tenders.

Since our founding in Karlsruhe in 2020, we've expanded into an international team of 60+ experts. Based in Karlsruhe and Munich and backed by top-tier investors, we are chasing a bold vision.

We're scaling fast and would love for you to join us and grow alongside us

What you'll drive

• You define and enforce SLOs, SLIs, and SLAs across production
• You monitor system health, plan capacity, and automate deployments, patching, and infrastructure provisioning
• You diagnose and resolve production incidents fast - including 24/7 on-call participation
• You lead post-mortems and turn findings into prevention; maintain runbooks and escalation procedures
• You manage cloud infrastructure via IaC and own CI/CD pipeline design and maintenance
• You drive scalability, fault tolerance, disaster recovery, and security compliance
• You partner with Dev teams on production readiness, Shift Left practices, and error budget management

What makes you a great fit

• Proven experience in an SRE, DevOps, or platform engineering role with hands-on production ownership
• Strong knowledge of Kubernetes, Terraform, and Ansible
• Familiarity with Ceph or comparable distributed storage systems
• Experience with SLOs, SLIs, error budgets, and CI/CD pipeline design
• Degree in a relevant field or comparable qualification
• Calm, structured, and fast under pressure - strong debugging and incident response skills
• Good communicator, able to translate operational concerns into guidance for Dev teams
• Go development experience is a plus

What's in it for you

• 32 days of paid time off - 30 regular vacation days plus Christmas Eve and New Year's Eve off
• Meal allowance - up to 15 digital vouchers per month, adding up to over €100 net for you
• Flexibility - hybrid work setup with mobile work options and flexibility around core hours
• Steep learning curve - fast-moving environment, real ownership, and a front-row seat to scaling a company
• Job-Rad - lease a bike through us, tax-free
• Gym access - stay active on site (Karlsruhe office only)
• Employee events - from team offsites to regular get-togethers
• Company pension scheme - company-supported pension to set you up for later
• Great public transport links - both offices are within walking distance of tram and metro stops