Performance Engineer

IMC

Platform Engineering at IMC builds and runs the core platforms that power our business. This Site Reliability Engineer role within Platform Engineering is focused on security projects: embedding security into system design and infrastructure to protect and accelerate our rapidly evolving technology landscape. As a bridge between application development and production operations, Platform Engineering enables and applies security by design: embedding controls, guardrails, and secure defaults directly into our platforms and infrastructure. You will implement security into IMC systems in ways that reduce friction and raise our baseline of safety and reliability. We are hiring a Site Reliability Engineer within Platform Engineering to drive security-focused initiatives across IMC. You will collaborate closely with most technology teams, operate with high autonomy, and take ownership and responsibility for outcomes: delivering high-impact improvements to source control, CI/CD, observability, and the secure foundations our trading platforms rely on in a rapidly-changing, cutting-edge environment. Your Core Responsibilities * Write and maintain code to extend, integrate, and improve the services we support - from custom plugins and API integrations to internal tooling and automation frameworks * Partner with development and engineering teams to make the secure path the easy path by providing tooling and guidance aligned with business objectives, fostering collaboration instead of friction * Incident response: interpret threat intelligence in context, investigate and resolve software supply chain security incidents promptly, supporting our Global Operations in a ‘follow the sun’ model * Both use AI to provide innovative tools and protect against AI-driven security risks * Maintain and support our central secret management service, ensuring optimal adoption across scenarios and workflows while following security best practices * Support and innovate identity architecture at scale for users, services, and AI agents. Implement consistent authentication and authorisation across system constraints * Manage large-scale security projects across technologies and teams Your Skills and Experience * 3+ years of work experience in a relevant role * Bachelor's Degree in Computer Engineering, Computer Science or equivalent * Programming experience in Python; Shell scripting is a plus. * Hands-on experience with Linux systems and container orchestration tools, including Kubernetes and Docker. * Experience with CI/CD tools (Jenkins, GitLab CI, TeamCity) and securing pipelines: DevSecOps practices, safe artifact ingestion, and software supply chain security. * Expertise in OIDC/OAuth2.0 and experience with IAM architecture, including implementation of authentication and authorization in complex full-stack systems * Experience with secret management tools (preferably HashiCorp Vault); maintaining similar centralised security services is a plus About Us IMC is a global trading firm powered by a cutting-edge research environment and a world-class technology backbone. Since 1989, we’ve been a stabilizing force in financial markets, providing essential liquidity upon which market participants depend. Across our offices in the US, Europe, Asia Pacific, and India, our talented quant researchers, engineers, traders, and business operations professionals are united by our uniquely collaborative, high-performance culture, and our commitment to giving back. From entering dynamic new markets to embracing disruptive technologies, and from developing an innovative research environment to diversifying our trading strategies, we dare to continuously innovate and collaborate to succeed.

IMC

The information security team is responsible for protecting IMC’s intellectual property, IT infrastructure and business operations against external and internal threats. We work closely with technology, risk, compliance, internal audit and business leaders to reduce cyber risk to acceptable levels. We are looking for an Information Security Engineer to grow and mature our Security Operations Center function that uses EDR, SIEM, SOAR, CSPM, IAM, firewalls, NIDS/NIPS and various other security controls. We offer an environment that allows you to broaden and deepen your information security knowledge and skills, with access to advanced security technology, frequent training and a culture of knowledge sharing. As you gain experience with our existing SOC technology and processes, you will be given a lot of freedom to further mature the SOC with your own initiatives. Your Core Responsibilities: * Analyse security logs, alerts and reported events. Respond to or assist with the remediation of incidents * Using various threat intelligence sources, hunt for potential compromise across the infrastructure * Report discovered vulnerabilities to technology owners and suggest remediation steps * Support and improve technical security controls * Leverage automation and orchestration solutions to automate repetitive tasks * Leverage AI-assisted tooling to enhance alert triage, event summarisation, and investigation workflows, with a pragmatic view of its limitations * Develop reporting for assessing the effectiveness of security controls * Develop and improve incident response playbooks  Your Skills and Experience: * Relevant tertiary and/or security qualifications with previous SOC experience and/or 3+ years of hands-on experience in an enterprise IT environment, managing endpoints and applications on-prem or in the cloud * Strong analytical and problem-solving skills * Self-starter and a passion for cybersecurity * Exposure to security controls like identity and access management, vulnerability management, endpoint detection and response * Automation using basic coding skills or low code / no code automation tools * Awareness of AI and machine learning applications in security operations is a plus; any hands-on experience with AI-assisted security tooling or LLM-based workflows is highly regarded. * Understanding of common attack techniques and frameworks such as MITRE ATT&CK About Us IMC is a global trading firm powered by a cutting-edge research environment and a world-class technology backbone. Since 1989, we’ve been a stabilizing force in financial markets, providing essential liquidity upon which market participants depend. Across our offices in the US, Europe, Asia Pacific, and India, our talented quant researchers, engineers, traders, and business operations professionals are united by our uniquely collaborative, high-performance culture, and our commitment to giving back. From entering dynamic new markets to embracing disruptive technologies, and from developing an innovative research environment to diversifying our trading strategies, we dare to continuously innovate and collaborate to succeed.

IMC

IMC is looking for a highly skilled Quantitative Microstructure Analyst to join our Performance team in Sydney. Quantitative Microstructure Analyst's at IMC collaborate with other teams, both technical and non-technical, to handle everything from optimising exchange connectivity to analysing application performance to designing systems for handling massive amounts of data.  If it’s a hard problem, it’s in scope. Your Core Responsibilities:  * Data and Systems Analysis: Analyse terabytes of network data to identify patterns, validate hypotheses, and optimise system performance. * Analyse, optimise, troubleshoot, and continuously tune the complete trading environment to improve the performance of our low-latency trading systems on financial exchanges. * Analyse time series exchange network captures. * Design, develop, test, and deploy simple, elegant, reusable code. * Work closely with traders and other technology teams to drive global thinking, information sharing, and sustainable, long-term solutions. * Build IMC's knowledge base to ensure a deep understanding of exchange infrastructure and protocols. * Define the direction for critical investment decisions by analysing complex technical problems in a self-directed manner. Your Skills and Experience:  While not all of the below is required, a deep understanding in at least one of the following areas would be an advantage * 5+ years of experience in at least one of the areas: distributed systems, computer networks, operating system architecture, ultra-low latency environments. * Strong skills in data analytics including analysing and visualising large data sets * Knowledge of Linux kernel internals and interfaces including memory, network, and file I/O. Knowledge of eBPF is a plus. * Knowledge of networking (TCP/IP, UDP, Multicast).  Knowledge of kernel network bypass technologies is a plus. * Proficiency in Python. Proficiency in C++ a bonus. * A high degree of flexibility and adaptability: willing and able to deal with uncertainty and ambiguity in a rapidly evolving environment * Strong troubleshooting and diagnostic skills; ability to solve problems creatively and proactively. * Ability to communicate complex ideas to technical and non-technical audiences. * Ability to see opportunities and to make them happen without supervision; a true self-starter. About Us IMC is a global trading firm powered by a cutting-edge research environment and a world-class technology backbone. Since 1989, we’ve been a stabilizing force in financial markets, providing essential liquidity upon which market participants depend. Across our offices in the US, Europe, Asia Pacific, and India, our talented quant researchers, engineers, traders, and business operations professionals are united by our uniquely collaborative, high-performance culture, and our commitment to giving back. From entering dynamic new markets to embracing disruptive technologies, and from developing an innovative research environment to diversifying our trading strategies, we dare to continuously innovate and collaborate to succeed.