Senior SRE / Platform Engineer

Company: Aptira

About the Company: Aptira is an Australian consulting company building multi-region bare-metal Kubernetes clusters for clients experiencing explosive growth. They operate globally with a fully remote team. Cutting-edge infrastructure stack: Kata Containers, Kyverno, Cilium, TopoLVM, and Ceph. Workloads include Python microservices, Kafka, Postgres, Valkey, and MongoDB. Observability via Grafana LGTM.

Job Category: Site Reliability Engineering / Platform Engineering / Kubernetes / Infrastructure

Contract Type: Full-Time, Permanent

Location: Remote — Worldwide (preference for APAC or Europe time zones)

Application Email: [email protected] (applications via email only, per company instructions)

Job Description: You'll join Aptira's platform engineering team supporting the build-out of a multi-region bare-metal Kubernetes cluster for a client experiencing explosive growth. This is a serious infrastructure role for someone with real Kubernetes depth and solid security knowledge — keeping a complex production platform reliable.

Key Responsibilities:

• Help build and operate a multi-region bare-metal Kubernetes cluster across multiple cloud regions
• Work across Kata Containers, Kyverno, Cilium, TopoLVM, and Ceph as core platform components
• Support Python microservices, Kafka, Postgres, Valkey, and MongoDB workloads
• Maintain and evolve observability using Grafana LGTM stack
• Automate infrastructure management using Ansible, Helm, and BitBucket pipelines
• Drive platform security, reliability, and operational excellence

Requirements:

• Senior SRE or Platform Engineer with substantial Kubernetes production experience
• Solid security knowledge — network segmentation, container security, policy enforcement
• Good systems knowledge across networking, storage, and compute
• Experience with some combination of the Aptira stack: Kata Containers, Kyverno, Cilium, Ceph
• Familiarity with observability tooling (Grafana, Prometheus, Loki, or similar)
• Self-directed with strong written communication for an async, remote team

Benefits: Fully remote, flexible work arrangements, experienced globally distributed team, cutting-edge infrastructure work.