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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. WHO WE ARE Founded in 2021, Optiver's Singapore location is our ninth global office. As a fast-growing office, we have the feel of a start-up, but the backing of a large multinational trading firm. In Asia Pacific, Optiver was one of the first global market makers to establish a presence in the region, with the incorporation Optiver's APAC head office in Sydney in 1996. Since then, we have expanded our footprint by establishing offices in Taipei (2005), Hong Kong (2007) and Shanghai (2012). WHAT YOU’LL DO As a Data Center Engineer, you will be responsible for maintaining and optimising our APAC data center and exchange colocation environments. Based in  Singapore , you will support local and regional data centre operations, as well as working with remote technicians to support data centres across APAC. You will have the opportunity to combine your knowledge in IT Infrastructure with a problem-solving mindset to solve business issues and independently work on improvement opportunities. You will be working on projects of all sizes, either as a resource or leading engineer, delivering from conception through to completion in this hands-on, high-impact role. Specifically, your responsibilities include: Installing and cabling switches, servers, and appliances in our local data centre locations Facilitating installation of servers and network equipment with smart hands across the region Managing power and space including monitoring and capacity planning Maintaining a consistent and clean cable management philosophy Managing spare parts and cabling inventory Performing break-fix repairs, replacing components like hard drives, memory and transceivers Planning and executing data center build-outs, equipment relocations, and new colocation deployments Getting equipment to and from remote co-locations including packing/shipping Maintaining data centre documentation Working hours will involve a mixture of core business hours for planning, coordination, and monitoring, with weekend and out-of-hours work for physical infrastructure changes (with time off in lieu). Most work will be performed within Singapore , with occasional travel to other  APAC  sites as required. WHO YOU ARE Technical Skills: Experience working in modern, large-scale data centers Ability to identify basic parts of network equipment (SFPs, line cards, chassis) and servers (memory, network cards, hard drives) Knowledge of structured cabling systems (Cat 5, Cat 6, multi-mode, and single-mode fiber) Familiarity with power and communications cabling standards Experience with cable testers to troubleshoot both fiber and copper cabling issues An understanding of change control processes Basic server operating system installation and configuration skills Strong documentation skills and a meticulous approach to tracking details Non-Technical Skills: Excellent verbal and written communication skills Creative problem-solving mindset, bringing new ideas to improve data center operations Experience leading or coordinating resources in infrastructure projects, from concep