286 linux systems engineer jobs at 155 companies in Norwalk, CT
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
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
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.
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.
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.
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
Jane Street: Global quantitative trading firm and liquidity provider.
Knowledge of OS fundamentals, systems programming, networking basics, Linux command-line troubleshooting, and software engineering; strong communicator and quick learner.
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.
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.
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.
Eastern Communications: Provides mission-critical wireless communication systems for first responders.
5+ YOEBachelor's in EE/CE or similar, 5+ years relevant experience, ~25% domestic travel, experience with RF, networking, system design, Windows/Linux, and security; GSEC/SSCP/Security+ preferred.
Windows Server, Linux, Virtual machine servers, MPLS, T1, Fiber Optic, Microwave, Radio Coverage Analysis, Computer Aided Dispatch, Land Mobile Radio Systems, Interoperability Gateway, RF, RF antenna systems, Network Security
Thermo Fisher ScientificNYSE: TMO: Sells equipment and chemicals for scientific research and healthcare.
2+ YOEBachelor's plus 2 years or Master's in engineering/science, expertise in system integration, testing and validation of electro-mechanical systems, Linux required, Python preferred, strong troubleshooting and project skills.
Shanghai or Hong Kong or Singapore or New York City
HybridFull Time
Tower Research Capital: Global quantitative trading firm developing automated algorithmic strategies.
1+ YOEBachelor's degree in CS/engineering, 1–5 years in Linux/DevOps/HPC or infrastructure, strong Linux internals knowledge, experience with cloud, containers, scripting (Python/Go/Bash), and cluster/storage systems.
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
4+ YOEBachelor's degree in engineering/computer science with ~4 years experience, ability to obtain Secret clearance, experience with Linux/bash, Python or C++, networking (TCP/UDP), test equipment, test plan development and automated test tools.
Intercontinental ExchangeNYSE: ICE: Operates global financial exchanges, clearing houses, and mortgage technology.
6+ YOE6+ years platform engineering/DevOps experience with production Kubernetes; OpenShift, ArgoCD, Kustomize/Helm, Kyverno, observability, GitHub Actions, Linux, YAML, strong communication and on-call support experience.
Kubernetes, Red Hat OpenShift, ArgoCD, Kustomize, Kyverno, Grafana, Tempo, Jaeger, Loki, Vector, Cortex, Prometheus, GitHub, GitHub Actions, Helm, Confluence, Linux, YAML, OPA, Gatekeeper, Ansible, Red Hat Ansible Automation Platform (AAP), Red Hat Advanced Cluster Management (ACM), Red Hat Advanced Cluster Security (ACS), HyperShift, Podman, GitOps
D. E. Shaw Research: Developing custom supercomputers for biomolecular simulation and drug discovery.
Strong Linux fundamentals; experience with large-installation systems administration, HPC, Kubernetes, Python, distributed systems, and excellent communication skills. Candidates at all experience levels considered.
Claryo: AI-powered spatial software for optimizing warehouse operations
3+ YOE3+ years SRE/infrastructure experience, strong Linux and networking fundamentals, experience with Kubernetes, cloud platforms, observability tooling, and debugging distributed systems in production.
Hudson River Trading: A quantitative firm using technology to trade global financial markets.
5+ YOE5+ years in systems or IT engineering; Python experience; SaaS/Cloud API integration; SSO/SCIM/PAM knowledge; Linux familiarity; build and automate systems.
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.