Codesphere is hiring a 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 - 30+ vacation days – including Christmas Eve and New Year's Eve, adding up to 32 days per year - Meal allowance – up to 15 digital meal vouchers per month, worth up to €7.67 each - 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