Sr Site Reliability Engineer

TL;DR

Sr Site Reliability Engineer (Network): Design, build, and scale a global network platform spanning physical datacenters and multi-cloud environments with an accent on network automation and operational experience supporting large scale production infrastructure. Focus on troubleshooting and performance tuning in Kubernetes and Docker environments, with a focus on networking.

Location: Sydney

Company

hirify.global is a global technology company with a mission to create a better, more open internet for everyone through principled, intelligent advertising.

What you will do

• Design, build, and scale a global network platform spanning physical datacenters and multi-cloud environments across AWS, Azure, and Alibaba Cloud.
• Support thousands of hosts worldwide, engineering reliable and efficient solutions to petabyte-scale data challenges.
• Own troubleshooting and resolution of complex network issues, upholding high availability and performance across the entire infrastructure footprint.
• Lead root cause analysis and postmortems, turning incidents into actionable improvements that raise the bar for operational excellence.
• Eliminate toil by building tools, automating workflows, and continuously improving the processes your team depends on every day.
• Share responsibility for network integrity through participation in a global, follow-the-sun on-call rotation.

Requirements

• You have 6-8 years of hands on network automation and operational experience supporting large scale production infrastructure.
• You have a software-first mindset with strong development and networking experience, able to think like an engineer and operate like an architect.
• You bring deep expertise in TCP/IP, the OSI model, and large-scale IP networking protocols including BGP and OSPF.
• You have hands-on experience with Kubernetes networking technologies such as Cilium and Calico, and a solid understanding of container network interfaces (CNIs).
• You have managed software load balancers like NGINX Ingress, Envoy, or HAProxy in large-scale production environments.
• Proficient creating automation and building tools using Python or Go.

Nice to have

• Experience running Kubernetes clusters on bare-metal is a plus.
• Experience integrating AI tools (LLMs, MCP, agentic workflows) into engineering processes to automate tasks and improve development velocity.

Culture & Benefits

• Award-winning culture based on trust, ownership, empathy, and collaboration.
• Value the unique experiences and perspectives that each person brings to hirify.global.
• Committed to fostering inclusive spaces where everyone can bring their authentic selves to work every day.
• Breadth of technical opportunity.