Senior Cloud Infrastructure Engineer

Summary

Join Holycode's Genesis Cloud team as a Senior Cloud Infrastructure Engineer and play a crucial role in shaping the core infrastructure of their cloud services. This position offers the opportunity to work at the forefront of cloud technology, contributing to the strategic direction of a fast-growing Cloud Service Provider. You will collaborate with various teams, leveraging your Kubernetes and cloud-native expertise to drive critical projects. Your work will directly impact the delivery of high-performance, scalable, and reliable cloud solutions. This role involves architecting backend interfaces, designing new services, developing and operating backend systems, and deploying Kubernetes resources. You will also be responsible for maintaining and debugging various infrastructure components.

Requirements

• Operational experience in an IT infrastructure environment, with experience in virtualization, networking, automation, a proactive mindset, with the ability to look ahead and think big
• Proficient in both written and spoken English

Responsibilities

• Architecting Backend Interface definitions (APIs, protocols)
• Service architecture
• Collaborating with other teams Design new services in collaboration with the users of those services
• Document and communicate how to consume the backend services
• Provide infrastructure services that enable new product features
• Developing and Operating our Backend Writing code for custom solutions
• Operating those custom solutions
• Documentation and Automation Deploy Kubernetes resources using git and flux
• Git, GitOps where possible
• CI/CD with GitHub actions
• Confluence, Jira
• Kubernetes Administration Keep our bare-metal Kubernetes clusters up-to-date
• Monitor and debug bare-metal Kubernetes clusters
• Kubernetes Service Administration Deploy and debug controllers and operators
• Design and develop controllers and operators to manage custom resources
• Linux System Administration Managing complex multi-home network configurations, such as unnumbered BGP with ECMP
• Specifying, debugging, or writing small helper tools in bash or python
• Monitor and maintain systems
• Switch System Administration (mostly SONiC) Debugging routing problems
• Virtual Hosting Administration Configure and debug customer networking (VPP, VxLAN, EVPN, …)
• Configure and debug customer storage (ceph, SPDK, VAST, …)
• Maintain PCI topology configuration for customer instances

Preferred Qualifications

• Some technologies/tools critical to this endeavor ( bold are the ones you should fully grasp on a conceptual level and have experience working with) are: Bare-metal Kubernetes helm
• Writing CRDs
• Writing operators
• Operations Communicating during incidents
• Documenting before, during and after incidents
• GitOps flux
• Kustomize
• Ansible
• NixOS
• Terraform
• Programming shell scripting
• Python
• GRPC, HTTP-JSON APIs
• Reading Golang, rust, C to find bugs in third-party software
• Tools Git
• Ssh
• Atlassian Jira and Confluence
• Architecting Systems and organizing teams
• Data Center work documenting/fixing existing work
• Hardware selection
• Networking (i)PXE, DHCP
• BGP, EVPN, VxLAN
• Infiniband
• Planning Clos architectures
• SONiC or other nOS, VPP
• Storage Ceph, VAST
• NFS, S3
• SPDK
• Virtualization technologies Kubevirt, libvirt, qemu
• With PCI pass-through

Benefits

• High-growth company in which you can find exciting and trend-setting challenges
• Amazing product to work on
• Familial working atmosphere in an open-minded multinational team
• Flexibility with remote work, allowing you to create your ideal work environment
• All necessary equipment – up to you to decide what you prefer
• Covered private health insurance
• The budget for professional improvement (courses, conferences, books…)
• The budget for mastering English and German languages
• Nice office in Belgrade
• Fully stocked kitchen (tea, coffee, fruits, soft drinks, snacks…)
• Tournaments of table tennis, table soccer, and darts in our office
• Skilled and senior co-workers
• Opportunities to build products that really make a difference
• Opportunities to learn and grow with us