Job Title

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. Optivers 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 Optivers APAC head office. WHAT YOU''LL DO As a Security Engineer at Optiver, you'' ll be responsible for monitoring, protecting, and continuously improving the security of our global systems and infrastructure. At Optiver, security means proactive threat prevention, swift identification of vulnerabilities, and rapid response to incidents to ensure our systems remain secure under all circumstances. An engineering mindset, attention to detail, and a preference for pragmatic solutions are essential to keeping our systems safeguarded. In practice, this means you will: Manage Security Operations : Monitor and manage daily security activities, proactively identifying threats and vulnerabilities across our environment. Automate Security Tasks : Leverage automation through scripting (primarily Python and PowerShell) to proactively detect, prevent, and respond to security incidents. Analyze and Mitigate Risks : Conduct detailed analyses to identify potential vulnerabilities, developing practical, automated mitigation strategies to enhance our security posture. Collaborate Across Teams : Work closely with colleagues in IT, engineering, and business units, embedding security best practices and ensuring security considerations are integral to operational processes. Incident Response : Lead incident response activities, swiftly coordinating with global teams to investigate, contain, and resolve security incidents. WHO YOU ARE Pragmatic Thinker : Logical and practical, you seek straightforward and effective solutions to complex security challenges. Automation-Minded : Skilled in automating security operations using Python and PowerShell, with strong familiarity in Linux and Windows environments. Hands-On Security Experience : Background in security engineering or DevOps, with proven experience in monitoring, incident response, and risk management. Technically Curious : Deeply interested in security technologies related to network security, endpoint protection, vulnerability assessment, and log management. Collaborative Communicator : Clear and effective in written and verbal communication, comfortable working across diverse teams, and willing to challenge or defend strategies constructively. WHAT YOU''LL GET The chance to work alongside best-in-class professionals Competitive remuneration, including an attractive bonus structure and additional leave entitlements Training, mentorship and personal development opportunities Gym membership plus weekly in-house chair massages Daily breakfast, lunch and an in-house barista Regular social events including an annual company trip Guided relocation, a competitive relocation package and visa sponsorship where necessary. DIVERSITY STATEMENT 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. PRIVACY DISCLAIMER Optiver takes the protection of your personal information seriously and is committed to keeping your personal information safe and confidential. For full details about how Optiver uses your personal information in our recruitment process, please see our Privacy Policy . I give permission to Optiver to contact me by email about Optiver roles, company updates, recruitment activities, and events relevant to my career. If you would prefer that we do not retain your personal information for this purpose please let us know by emailing us at careers@optiver.com.au . #J-18808-Ljbffr