Top Technology Jobs & Startup Jobs in Sydney

The Procurement Sourcing Analyst will manage procurement initiatives, conduct spend analysis, and optimize sourcing strategies to enhance value and efficiency in purchasing goods and services for the business.

Act as the HR partner for the Sydney Tech portfolio: manage end-to-end people processes, advise leaders, identify people risks, simplify HR processes, coordinate with People SMEs, and drive consistent, fair performance and change support across the employee lifecycle.

Develop and maintain exotic option pricing models end-to-end, integrate models into automated pricing and risk systems, identify and document model risks, collaborate with traders, technologists and controls, and improve existing pricing models and analysis tools using mathematical rigor and pragmatic C++ implementations.

Lead and improve recruitment operations across APAC: optimize ATS and workflows, drive automation, partner with analytics and global teams, perform ATS audits, train stakeholders, manage escalations, and ensure compliance and consistent candidate experience.

Support and operate Optiver's APAC network and security infrastructure across offices and data centers. Deploy and manage LAN/WAN, multi-zone firewall architectures, and DC environments using IaC tools. Monitor performance, respond to incidents, collaborate with internal teams and vendors, and drive capacity, reliability, and latency optimizations.