Key Responsibilities Design, implement, maintain, and scale OpenStack-based cloud infrastructure. Manage and optimize distributed storage platforms such as Ceph. Automate infrastructure deployment and operational processes using Infrastructure as Code (IaC) principles. Monitor and improve platform availability, performance, security, and scalability. Troubleshoot issues across compute, storage, virtualization, networking, operating systems, and cloud services. Plan and execute infrastructure upgrades, migrations, and maintenance activities. Develop and maintain technical documentation, runbooks, recovery procedures, and architecture decisions. Collaborate with cross-functional teams to deliver resilient and reliable hosting platforms. Participate in an on-call rotation and provide support during critical incidents when required. Minimum Requirements Technical Skills Proven experience operating and managing open-source infrastructure environments. Hands-on experience with OpenStack administration, implementation, troubleshooting, or operations. Experience with Ceph or similar distributed storage platforms. Strong Linux systems administration and troubleshooting expertise. Understanding of virtualization and cloud infrastructure technologies at scale. Experience with data-centre hardware, including: Enterprise servers CPUs and memory Storage technologies Network interface cards (NICs) Firmware management Out-of-band management solutions Networking Strong networking fundamentals. Experience or exposure to: OVN Open vSwitch (OVS) BGP LACP IPv4 and IPv6 Virtual and physical cloud networking Juniper networking environments (advantageous) Automation & Infrastructure as Code Experience with Infrastructure as Code and automation practices. Exposure to tools such as: Terraform Ansible Rundeck Commitment to repeatable, version-controlled automation rather than manual processes. Operations & Reliability Strong problem-solving abilities across: Compute environments Storage platforms Physical and virtual networking Databases Message queues Containers Hypervisors Guest workloads SRE-focused mindset with an emphasis on: Reducing operational risk Improving reliability Minimizing recovery times Protecting data integrity Required Competencies Strong ownership mentality and accountability. Ability to analyse and manage infrastructure capacity and performance. Security-focused approach to architecture and operations. Excellent documentation and communication skills. Ability to contribute effectively to technical reviews and design discussions. Strong attention to detail and commitment to completing work to a high standard. Comfortable working within a distributed and largely asynchronous team environment. Ability to leverage AI-assisted tools responsibly while applying sound engineering judgement. Preferred Technology Stack Experience Experience with several of the following technologies will be highly advantageous: Ubuntu Linux OpenStack Ceph Ansible Terraform Rundeck Docker LXC Nspawn OVN OVS BGP JunOS LACP Prometheus Grafana Git Jira What We're Looking For The ideal candidate is passionate about cloud infrastructure, automation, and open-source technologies. They take ownership of their work, think critically about reliability and scalability, and enjoy collaborating with a high-performing technical team to solve complex infrastructure challenges. If you're excited about building resilient cloud platforms and working with modern infrastructure technologies at scale, we'd love to hear from you. Apply now! For more IT jobs, please visit /> I also specialise in recruiting in the following: Software Development Data Engineer Data Analyst Infrastructure Architecture ... and more! If you have not had any response in two weeks, please consider the vacancy application unsuccessful. Your profile will be kept on our database for any other suitable roles / positions. For more information contact: Sfundo Shoba Recruitment Consultant