{"schemaVersion":"jobsearcher.job.v1","id":"7bc808ac36b97c9b8b261b54","url":"https://jobsearcher.com/jobs/7bc808ac36b97c9b8b261b54","canonicalUrl":"https://jobsearcher.com/jobs/7bc808ac36b97c9b8b261b54","title":"Senior Systems Developer - Linux Kernel & Performance","description":"Senior Linux Systems Developer - Quant Systems (Kernel & Performance)Join an elite technology and research group at the forefront of global finance, where world-class engineering and quantitative research converge to solve some of the most complex problems in any industry. Their teams are composed of passionate problem-solvers who operate in a dynamic, large-scale, low-latency IT environment. We are seeking a visionary engineer to drive deep optimization and development within the Linux operating system, ensuring the firm's complex trading and research platforms operate with maximum performance and efficiency.The RoleWe are seeking a deeply experienced Senior Linux Systems Developer for our Quant Systems team. This is a crucial, hands-on role for a true low-level systems expert who thrives on optimizing performance at the operating system level. You will be a key technical leader responsible for tuning, analyzing, and developing components within the Linux kernel and user space to support our most demanding HPC and low-latency workloads. You will act as a force multiplier by solving the most challenging performance bottlenecks, mentoring other engineers, and setting the standard for deep systems expertise.Responsibilities:Lead the design and execution of high-impact projects focused on optimizing the performance and reducing the latency of our core Linux-based HPC and trading infrastructure.Develop, debug, and maintain low-level systems software, potentially including kernel modules, eBPF programs, or performance analysis tools, primarily using C, Go, or Python.Serve as a senior escalation point for the most complex Linux systems issues, diagnosing and resolving deep technical challenges related to kernel behavior, performance anomalies, and hardware/OS interactions.Drive the architecture for ultra-performant Linux environments, making key design decisions for production systems based on deep OS-level knowledge.Mentor and guide other engineers, championing best practices in low-level systems development, performance tuning, and diagnostics.Your experience:11+ years of experience in a senior systems development or performance engineering role with a track record of success in complex, performance-critical Linux environments.Expert-level proficiency in C or Go, with significant experience in Python also valued; proven track record of developing systems-level software (not just scripting).Deep, hands-on expertise with the Linux operating system internals, including kernel tuning, debugging (gdb, perf, strace), eBPF, and systems administration in a large-scale, performance-sensitive environment.Demonstrated experience leading technical projects, driving deep architectural decisions, and mentoring other engineers in systems programming or performance analysis.Strong knowledge of configuration management tools (e.g. Ansible, Salt) and CI/CD concepts.Exceptional communication skills, with the ability to articulate complex low-level concepts to a variety of audiences.","company":"Elliot Partnership","rawCompany":"elliot partnership","city":"Brooklyn","state":"NY","isRemote":false,"isActive":true,"createdAt":"2026-09-11T03:32:10.399Z","occupations":[{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1211.00","title":"Computer Systems Analysts","slug":"computer-systems-analysts"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Systems Developer - Linux Kernel & Performance","description":"Senior Linux Systems Developer - Quant Systems (Kernel & Performance)Join an elite technology and research group at the forefront of global finance, where world-class engineering and quantitative research converge to solve some of the most complex problems in any industry. Their teams are composed of passionate problem-solvers who operate in a dynamic, large-scale, low-latency IT environment. We are seeking a visionary engineer to drive deep optimization and development within the Linux operating system, ensuring the firm's complex trading and research platforms operate with maximum performance and efficiency.The RoleWe are seeking a deeply experienced Senior Linux Systems Developer for our Quant Systems team. This is a crucial, hands-on role for a true low-level systems expert who thrives on optimizing performance at the operating system level. You will be a key technical leader responsible for tuning, analyzing, and developing components within the Linux kernel and user space to support our most demanding HPC and low-latency workloads. You will act as a force multiplier by solving the most challenging performance bottlenecks, mentoring other engineers, and setting the standard for deep systems expertise.Responsibilities:Lead the design and execution of high-impact projects focused on optimizing the performance and reducing the latency of our core Linux-based HPC and trading infrastructure.Develop, debug, and maintain low-level systems software, potentially including kernel modules, eBPF programs, or performance analysis tools, primarily using C, Go, or Python.Serve as a senior escalation point for the most complex Linux systems issues, diagnosing and resolving deep technical challenges related to kernel behavior, performance anomalies, and hardware/OS interactions.Drive the architecture for ultra-performant Linux environments, making key design decisions for production systems based on deep OS-level knowledge.Mentor and guide other engineers, championing best practices in low-level systems development, performance tuning, and diagnostics.Your experience:11+ years of experience in a senior systems development or performance engineering role with a track record of success in complex, performance-critical Linux environments.Expert-level proficiency in C or Go, with significant experience in Python also valued; proven track record of developing systems-level software (not just scripting).Deep, hands-on expertise with the Linux operating system internals, including kernel tuning, debugging (gdb, perf, strace), eBPF, and systems administration in a large-scale, performance-sensitive environment.Demonstrated experience leading technical projects, driving deep architectural decisions, and mentoring other engineers in systems programming or performance analysis.Strong knowledge of configuration management tools (e.g. Ansible, Salt) and CI/CD concepts.Exceptional communication skills, with the ability to articulate complex low-level concepts to a variety of audiences.","datePosted":"2026-09-11T03:32:10.399Z","dateModified":"2026-09-11T03:32:10.399Z","hiringOrganization":{"@type":"Organization","name":"Elliot Partnership","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Brooklyn","addressRegion":"NY","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"7bc808ac36b97c9b8b261b54"},"url":"https://jobsearcher.com/jobs/7bc808ac36b97c9b8b261b54"}}