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The Global Production Operations Engineering (ProdOps) team is responsible for maintaining and scaling Optiver’s low-latency trading systems. The team ensures a safe, stable, and efficient production environment while supporting profitability and sustainable growth across various regions. Collaborating closely with traders, development, and operational teams, the engineer will deploy, monitor, troubleshoot, and optimize our trading infrastructure to enhance reliability, performance, and automation. WHO WE ARE Optiver is a global market maker founded in Amsterdam, with offices in London, Chicago, Austin, New York, Sydney, Shanghai, Hong Kong, Singapore, Taipei and Mumbai. Established in 1986, today we are a leading liquidity provider, with close to 2,000 employees in offices around the world, united in our commitment to improve the market through competitive pricing, execution and risk management. By providing liquidity on multiple exchanges across the world in various financial instruments we participate in the safeguarding of healthy and efficient markets. We provide liquidity to financial markets using our own capital, at our own risk, trading a wide range of products: listed derivatives, cash equities, ETFs, bonds and foreign currencies. Optiver’s Sydney office is one of the primary players within Asian markets, trading a range of products. Established in 1996, we're an active participant on the Hong Kong, Korea, Singapore, Taiwan and Japan exchanges, and act as Optiver’s APAC head office.  WHAT YOU’LL DO Provide technical expertise and support to high-frequency trading floors, troubleshooting complex issues and resolving incidents in a fast-paced, dynamic setting. Working hours are primarily standard business hours, with rotational weekend work to support weekend trading activities and testing.  Deploy, maintain, and monitor proprietary trading applications, ensuring stability and performance in the trading environment. Review and analyze incidents to identify recurring themes, driving improvements to enhance automation and operational efficiency. Coordinate deployments of new trading products, systems, and exchanges, ensuring readiness for events such as corporate actions or special announcements. Architect and maintain services to maximize reliability, ensuring the trading systems operate within performance thresholds. Collaborate with development teams to establish best practices and ensure the long-term stability of production systems, even under extreme conditions. Set standards for system configuration and deployment to minimize risks and support smooth scaling. Manage the colocation to ensure the right level of redundancy and capacity for growth is available Automate system management processes, while maintaining control over critical operations.   WHO YOU ARE Technical Skills: Solid experience managing complex distributed systems in Linux environments (L2/L3 support), with a strong understanding of networking fundamentals, build, deployment, and version control systems. Fundamental efficiency with CI/CD tooling and scripting in Python or similar languages to automate tasks. Experience with relational databases (e.g., PostgreSQL) or other database systems. Demonstrated ability to drive system improvements and work across global teams to deliver changes. Non-Technical Skills: A collaborative team player with a positive attitude, capable of coordinating effectively across departments. A pragmatic and logical thinker who thrives under pressure in high-intensity environments, with strong troubleshooting skills and the ability to resolve incidents efficiently. Effective communicator, able to clearly explain technical concepts and ask insightful questions. Highly organized, able to manage multiple responsibilities while keeping stakeholders informed. P