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. Since its establishment in 2012, our Shanghai office is a rapidly growing participant in the Chinese markets, trading exchange-listed futures, options and equities in China mainland. Our vision is to become the trusted partner in the development of Chinese financial markets. With the culture of a start-up but the backing of a 35+ year-old trading firm, the Optiver Shanghai office is truly unique. Everyone who joins us will help shape the future of our company and its global impact. Get ready: we are only just beginning. WHAT YOU'LL DO  Our Network operations Engineers are directly responsible for the infrastructure underpinning all of Optiver's trading and non-trading activity in general, including office networks and a complex WAN environment. We are providing a reliable, fast and well supported network and Unix platform to run our core business on, this requires a good understanding of not only the technical network problem but also the broader business problem being solved. This team is successful when they are collaborating and solving complex problems with simple solutions and are constantly making optimizations in reliability, capacity, scalability and latency. Your responsibilities will include: • Support end-to-end infrastructure deployments in Asia Pacific data centers including but not limited to network and security platforms • Drive research, innovation, and implementation of infrastructure capacity and reliability optimizations in our Infrastructure environment  • Build, manage and support our complex international LAN/WAN & security environment using modern tooling in an IaC (Infrastructure as Code) environment • Collaborate with developers, researchers and our hardware engineers on projects that require a stable and scalable platform to operate on  • Automate, monitor, and benchmark our various networks and systems  WHO YOU ARE • 10+ years of working experience as a senior network engineer or architect with proven on-box experience, designing, implementing and troubleshooting complex LANs and WANs. • Experience designing, implementing and supporting Campus LAN networks, ideally on Arista and Cisco products • Experience in managing network systems using Infrastructure as code (IaC) methodology • Experience working in a multi zone, multi tier firewall architecture across APAC • Experience designing, implementing and supporting DC environments. • Experience administrating Unix systems • Experience in monitoring and managing diverse international WAN networks  WHAT YOU'LL GET You’ll join a culture of collaboration and excellence, where you’ll be surrounded by curious thinkers and creative problem solvers. Driven by a passion for continuous improvement, you’ll thrive in a supportive, high-performing environment alongside talented colleagues, working collectively to tackle some of the most complex problems in the financial markets. In return for your expertise, you will be offered a competitive salary package as well as access to a range of Optiver perks, including: • • A performance-based bonus structure unmatched anywhere in the industry. We combine our profits across desks, teams and offices into a global profit pool, fostering a truly collaborative environment. • The chance to work alongside diverse and intelligent peers in a rewarding environment. • Training, mentorship and personal development opportunities. • Daily breakfast, lunch and snacks. • Gym membership, sports and leisure activities, plus weekly in-house chair massages • Regular social events, clubs and Friday afternoon drinks Optiver is committed to  diversity and inclusion, and it is hardwired through every stage of our hiring process. We encourage applications from candidates from any and all backgrounds, and we welcome requests for reasonable adjustments during the process to ensure that you can best demonstrate your abilities. Questions? Get in touch with the recruitment team at careers@optiver.com.au