Jane Street: Global quantitative trading firm and liquidity provider.
Knowledge of OS fundamentals and computer architecture; systems programming (sockets, virtual memory, processes); basic network protocols; Linux command-line proficiency; troubleshooting and coding experience; strong communication and collaboration.
OTC Markets GroupOTCQX: OTCM: Operates public markets for trading U.S. and international securities.
2+ YOE2+ years Linux experience (Red Hat preferred), virtualization (VMware), Python scripting, Ansible, Git/GitHub, familiarity with APIs and automation; strong communication and collaboration skills.
Red Hat 8, VMware, Python, Ansible, GitHub, Git, GitHub Actions, REST APIs
Santa Clara or Alabama or New Mexico or France or Alaska or Arizona or Florida or Colorado or Boston or California or Canada or New York or New York
OnsiteFull Time
SiFive: Designs and licenses high-performance RISC-V processor intellectual property.
Experience developing and debugging upstream Linux kernel for concurrency and high core-count servers, debugging CPU/SoC bugs, working with CPU architects/RTL, Linux on FPGA/emulation, virtualization, and familiarity with RISC-V.
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Experience owning Linux kernel lifecycle, CI and automated validation, driver enablement, debugging, and collaborating with platform, infrastructure, and SRE teams.
Trexquant: Quantitative hedge fund developing systematic trading strategies.
3+ YOEBachelor’s degree or equivalent experience; 3+ years Linux systems in production; strong system-level Linux; 100+ servers; ZFS storage; NetApp/Dell; Ansible; Bash; Python a plus; on-call; travel as needed.
Ansible, Bash, Python, ZFS, NetApp, Dell EMC, Linux
Verition: Global multi-strategy hedge fund providing investment management services.
5+ YOE5+ years systems/platform engineering focused on Linux; deep kernel and performance tuning; RHEL/Ubuntu expertise; Python automation and modern config management; Linux security baselines; cloud and distributed systems experience.
Python, Ansible, Red Hat Enterprise Linux, Ubuntu, C++, Java, Rust, Kubernetes
Columbia University: A private Ivy League research university providing higher education.
3+ YOEBachelor's in Computer Science or related field, minimum 3 years Linux system administration experience, proficiency with Linux/RHEL, VMware, networking (TCP/IP,DNS,DHCP,LDAP), scripting, cloud (AWS) and ticketing systems.
Overland Park or New York City or Kansas City or Chicago
$115k-$186k/yrHybridFull Time
CboeBATS: CBOE: Operates global market infrastructure and provides tradable financial products.
5+ YOE5+ years Linux systems/platform engineering; production Kubernetes and on‑prem experience; cloud (AWS, Microsoft Azure, or GCP); Python and Bash scripting; SaltStack/Puppet/Ansible; CI/CD and observability tooling; system hardening and on‑call rotation.
Linux Engineer - Latency Critical Trading Technology
New York, New York, United States
$175k-$250k/yrOnsiteFull Time
Millennium Management: Global alternative investment firm managing diverse investment strategies.
Bachelor's in Computer Science or related; strong Linux internals and networking knowledge; experience with kernel bypass, FPGA/smart NICs; scripting with Python/Perl; Ansible and C/C++ familiarity.
Scottsdale or Chicago or San Francisco or New York City
$86k-$126k/yrHybridFull Time, Contract
Early Warning Services: Operates payment and risk solutions for the financial industry.
5+ YOE5+ years Red Hat Linux administration; AWS experience; scripting; strong analytical and customer-service skills; US citizenship; eligible to work in the United States.
Quartermaster AI: Deploying AI-powered sensor networks for maritime domain awareness.
5+ YOE5+ years embedded Linux/platform software experience; strong C++ and Python; Yocto, ROS2, Jetson/TensorRT/CUDA experience; networking, OTA update systems, hardware bring-up, and cross-boundary debugging skills.
Dallas or Plano or Charlotte or Richmond or Jacksonville or Pennington or Chicago or Rye Brook or Newark or Phoenix or Houston or Virginia or West Virginia or Florida
HybridFull Time
KyndrylNYSE: KD: Manages and modernizes mission-critical IT infrastructure systems.
Expertise with IBM z/VM and Linux on IBM Z (RHEL/SUSE/Ubuntu), virtual machine provisioning and lifecycle management, HMC and RACF familiarity, scripting (REXX, Shell, Python), troubleshooting and L2/L3 production support.
Software Linux Engineer - Installation and Packaging
Santa Clara or Westford or St. Louis or Boulder or New York
$152k-$288k/yrOnsiteFull Time
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
4+ YOEBachelor's or equivalent,4+ years software development with Linux system-level focus, experience with package managers and repositories, scripting in Python or Bash, strong debugging and collaboration skills.
Software Linux Engineer - Installation and Packaging
Santa Clara or Westford or St. Louis or Boulder or New York
$152k-$288k/yrOnsiteFull Time
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
4+ YOEBachelor's or equivalent, 4+ years Linux system-level software development, experience with package management, repository and release automation, Python or Bash scripting, CI/CD and kernel/driver familiarity.
Two Sigma: Systematic investment management and quantitative trading firm.
1+ YOE1+ years Linux systems experience; managing large-scale Linux environments; programming in Python, Go or similar; deep Linux internals and low-latency tuning; distributed systems and networking fundamentals.
PhotronicsNASDAQ: PLAB: Manufactures high-precision photomasks for semiconductors and flat-panel displays.
8+ YOE2+ MgmtHands-on Linux leadership managing enterprise Linux platforms, incident/change management, automation with Bash/Python/Ansible, 8+ years Linux/IT infrastructure experience and 2+ years people management; Bachelor\u0002s degree preferred.
Metropolitan Transportation Authority: Operates public transportation systems in the New York region.
1+ YOEInstall, maintain, and troubleshoot server hardware, OS (Windows, Linux, HP-UNIX), VMware/ESX, SAN (EMC/Unity/NetApp); cloud platform and automation knowledge; 1–12 years experience depending on level.
Windows, HP-UNIX, LINUX, VMware, ESX, Active Directory, EMC, Unity, NetApp, Azure, AWS, Google Cloud, Dell, HP, Ansible
Sr. Principal Computer Systems Analyst - Windows/Linux
Bethpage, New York, United States
$129k-$194k/yrOnsiteFull Time
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
4+ YOEMust possess Top Secret clearance (maintained), Security+ (8140) certification, experience designing/maintaining Windows domain architectures, and multi-OS/system administration; degree with relevant years of experience required.