Information Security Engineer

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.

SAAB AKTIEBOLAG

Want to influence the bigger picture? At Saab, you can realise amazing innovations that keep people and societies safe. Together, we can truly make an impact - and your part matters. Your role We don't build ordinary products. We design and develop advanced fighter aircraft where operational capability and information superiority are critical to national security and the protection of democratic societies. We are now looking for an Information Security Engineer to join the JAS 39 Gripen program, as well as other Aeronautics platforms such as GlobalEye. In this role, you will play a key part in ensuring that our systems meet stringent information security requirements throughout the entire development lifecycle. You will work close to design teams and system architects, and you will influence security decisions from early concept to final implementation. You will help shape how we design secure, resilient and mission-critical systems in highly complex and classified environments. Key responsibilities: Identify and analyze information security requirements for systems and their operational environments Translate security needs into clear, actionable system requirements Define security architecture and design principles for subsystems and platforms Review, assess and validate security functions across subsystems Support development teams in implementing secure design solutions Act as a technical representative within your domain towards customers and regulatory authorities Your profile We are looking for a systems-minded engineer with a strong interest in information security and how it enables robust and resilient defense systems. You are analytical, structured and motivated by solving complex technical challenges in multidisciplinary teams. Required qualifications: Master's degree in Engineering or equivalent Strong analytical and problem-solving skills Excellent communication skills in both Swedish and English (spoken and written) Strong collaboration skills and ability to work across teams and disciplines High level of flexibility and cultural awareness Security clearance is required due to the nature of the work in the defense domain Preferred qualifications: Experience in systems engineering or system architecture Experience working with Swedish defense authorities (FMV, FM MUST) Experience from Gripen E/F or similar complex aerospace systems Experience in technical leadership roles What you will be part of Explore a wealth of possibilities. Take on challenges, create smart inventions, and grow beyond. This is a place for curious minds, brave pioneers, and everyone in between. Together, we achieve the extraordinary, each bringing our unique perspectives. Your part matters. Saab is a leading defense and security company with an enduring purpose, to help nations keep their people and society safe. Empowered by its 28,000 talented people, Saab constantly pushes the boundaries of technology to create a safer and more sustainable world. Saab designs, manufactures and maintains advanced systems in aeronautics, weapons, command and control, sensors and underwater systems. Saab is headquartered in Sweden. It has major operations all over the world and is part of the domestic defense capability of several nations. Read more about us here Kindly observe that this is an ongoing recruitment process and that the position might be filled before the closing date of the advertisement. Please note that due to the current holiday period, feedback on your application may be delayed Contact: Ulf Comstedt, Manager ulf.comstedt@saabgroup.com

SAAB AKTIEBOLAG

Want to influence the bigger picture? At Saab, you can realise amazing innovations that keep people and societies safe. Together, we can truly make an impact - and your part matters. Your role We don't build ordinary products. We design and develop advanced fighter aircraft where operational capability and information superiority are critical to national security and the protection of democratic societies. We are now looking for an Information Security Engineer to join the JAS 39 Gripen program, as well as other Aeronautics platforms such as GlobalEye. In this role, you will play a key part in ensuring that our systems meet stringent information security requirements throughout the entire development lifecycle. You will work close to design teams and system architects, and you will influence security decisions from early concept to final implementation. You will help shape how we design secure, resilient and mission-critical systems in highly complex and classified environments. Key responsibilities: Identify and analyze information security requirements for systems and their operational environments Translate security needs into clear, actionable system requirements Define security architecture and design principles for subsystems and platforms Review, assess and validate security functions across subsystems Support development teams in implementing secure design solutions Act as a technical representative within your domain towards customers and regulatory authorities Your profile We are looking for a systems-minded engineer with a strong interest in information security and how it enables robust and resilient defense systems. You are analytical, structured and motivated by solving complex technical challenges in multidisciplinary teams. Required qualifications: Master's degree in Engineering or equivalent Strong analytical and problem-solving skills Excellent communication skills in both Swedish and English (spoken and written) Strong collaboration skills and ability to work across teams and disciplines High level of flexibility and cultural awareness Security clearance is required due to the nature of the work in the defense domain Preferred qualifications: Experience in systems engineering or system architecture Experience working with Swedish defense authorities (FMV, FM MUST) Experience from Gripen E/F or similar complex aerospace systems Experience in technical leadership roles This position requires that you pass a security vetting based on the current regulations around/of security protection. For positions requiring security clearance additional obligations on citizenship may apply. What you will be part of Explore a wealth of possibilities. Take on challenges, create smart inventions, and grow beyond. This is a place for curious minds, brave pioneers, and everyone in between. Together, we achieve the extraordinary, each bringing our unique perspectives. Your part matters. Saab is a leading defense and security company with an enduring purpose, to help nations keep their people and society safe. Empowered by its 28,000 talented people, Saab constantly pushes the boundaries of technology to create a safer and more sustainable world. Saab designs, manufactures and maintains advanced systems in aeronautics, weapons, command and control, sensors and underwater systems. Saab is headquartered in Sweden. It has major operations all over the world and is part of the domestic defense capability of several nations. Read more about us here Kindly observe that this is an ongoing recruitment process and that the position might be filled before the closing date of the advertisement. Please note that due to the current holiday period, feedback on your application may be delayed Contact: Ulf Comstedt, Manager ulf.comstedt@saabgroup.com