Top Tech Jobs & Startup Jobs in Melbourne

Manage and support enterprise PKI infrastructure, including Root and Subordinate CAs, certificate issuance, renewal, deployment, revocation, and lifecycle management. Troubleshoot X.509, SSL/TLS, HSM, ADCS, and certificate-chain issues; provide L2/L3 support, root-cause analysis, and PKI integrations across applications, IAM, cloud, and enterprise systems. Maintain documentation and automate activities using PowerShell, Python, or Bash.

Develop and maintain Kafka-based event-driven integrations using Java, Spring Boot, Confluent Cloud, Flink SQL, Schema Registry, and Kong Gateway. Responsibilities include building producers and consumers, stream processing, API integrations, testing, troubleshooting, replay, root-cause analysis, and supporting CI/CD deployment and releases. The contract is for 12 months with possible extension and is limited to Australian or New Zealand citizens and Australian permanent residents.

Tests and validates broadband customer premises equipment, including modems, routers, gateways, Wi-Fi access points, ONT/ONU modules, and set-top boxes. Executes manual and automated firmware tests, evaluates network protocols and Wi-Fi performance, simulates traffic, analyzes logs and packet captures, documents defects, and collaborates with engineering teams to resolve hardware and software issues.

Develop, test, maintain, and optimize iOS applications using Swift, SwiftUI, and UIKit. Integrate RESTful APIs, third-party SDKs, backend services, and cloud services; troubleshoot production defects; improve application security and performance; and build reusable components. Collaborate with product, design, business analysis, and backend engineering teams to translate requirements into scalable mobile solutions.