your resume today! Responsibilities Linux Systems Administration Perform advanced administration of Red Hat Enterprise Linux (RHEL), CentOS, and Ubuntu systems in both classified and unclassified environments. Manage OS patching, kerneltuning, and performance optimization for high-throughput computing workloads. Configure and manage storage (SAN, NAS, object storage), networking, and virtualization platforms. Support Ansible/Puppet-based configuration management More ❯
Bethesda, Maryland, United States Hybrid / WFH Options
Base-2 Solutions, LLC
a robust, secure, and performant GPU compute ecosystem. Required Skills Proficiency with NVIDIA technologies: A100, DGX-1, CUDA, cuDNN, NCCL. Strong background in Linux (RHEL/CentOS/Ubuntu), kerneltuning, and HPC stack deployment. Experience with containerized GPU workloads using Docker, Kubernetes, and NVIDIA GPU Operator. Familiarity with distributed compute frameworks such as SLURM, Kubernetes, or Ray. More ❯
supporting GPU compute environments in mission-critical or enterprise settings. Proficiency with NVIDIA technologies: A100, DGX-1, CUDA, cuDNN, NCCL. Strong background in Linux (RHEL/CentOS/Ubuntu), kerneltuning, and HPC stack deployment. Experience with containerized GPU workloads using Docker, Kubernetes, and NVIDIA GPU Operator. Familiarity with distributed compute frameworks (e.g., SLURM, Kubernetes, Ray). Strong More ❯
supporting GPU compute environments in mission-critical or enterprise settings. Proficiency with NVIDIA technologies: A100, DGX-1, CUDA, cuDNN, NCCL. Strong background in Linux (RHEL/CentOS/Ubuntu), kerneltuning, and HPC stack deployment. Experience with containerized GPU workloads using Docker, Kubernetes, and NVIDIA GPU Operator. Familiarity with distributed compute frameworks (e.g., SLURM, Kubernetes, Ray). Strong More ❯
optimise large-scale Linux-based platforms for high-performance trading and research workloads. Design and implement workload scheduling, high-performance file systems, and storage operations. Optimise hardware, networking, and kernel performance for low-latency and high-throughput environments . Partner closely with research and infrastructure teams to deliver scalable, reliable solutions. Drive automation using Terraform, Ansible, GitLab, Jenkins , and … trends, conduct POCs, and deliver technical recommendations. What We’re Looking For 10+ years’ experience in Linux systems administration/platform engineering . Proven technical leadership in hardware optimisation, kerneltuning, and network/storage performance . Hands-on experience with DevOps and CI/CD tooling (Terraform, Ansible, GitLab, Jenkins). Programming/scripting knowledge in Python More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Alexander Ash Consulting
optimise large-scale Linux-based platforms for high-performance trading and research workloads. Design and implement workload scheduling, high-performance file systems, and storage operations. Optimise hardware, networking, and kernel performance for low-latency and high-throughput environments . Partner closely with research and infrastructure teams to deliver scalable, reliable solutions. Drive automation using Terraform, Ansible, GitLab, Jenkins , and … trends, conduct POCs, and deliver technical recommendations. What We’re Looking For 10+ years’ experience in Linux systems administration/platform engineering . Proven technical leadership in hardware optimisation, kerneltuning, and network/storage performance . Hands-on experience with DevOps and CI/CD tooling (Terraform, Ansible, GitLab, Jenkins). Programming/scripting knowledge in Python More ❯
london, south east england, united kingdom Hybrid / WFH Options
Alexander Ash Consulting
optimise large-scale Linux-based platforms for high-performance trading and research workloads. Design and implement workload scheduling, high-performance file systems, and storage operations. Optimise hardware, networking, and kernel performance for low-latency and high-throughput environments . Partner closely with research and infrastructure teams to deliver scalable, reliable solutions. Drive automation using Terraform, Ansible, GitLab, Jenkins , and … trends, conduct POCs, and deliver technical recommendations. What We’re Looking For 10+ years’ experience in Linux systems administration/platform engineering . Proven technical leadership in hardware optimisation, kerneltuning, and network/storage performance . Hands-on experience with DevOps and CI/CD tooling (Terraform, Ansible, GitLab, Jenkins). Programming/scripting knowledge in Python More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Alexander Ash Consulting
optimise large-scale Linux-based platforms for high-performance trading and research workloads. Design and implement workload scheduling, high-performance file systems, and storage operations. Optimise hardware, networking, and kernel performance for low-latency and high-throughput environments . Partner closely with research and infrastructure teams to deliver scalable, reliable solutions. Drive automation using Terraform, Ansible, GitLab, Jenkins , and … trends, conduct POCs, and deliver technical recommendations. What We’re Looking For 10+ years’ experience in Linux systems administration/platform engineering . Proven technical leadership in hardware optimisation, kerneltuning, and network/storage performance . Hands-on experience with DevOps and CI/CD tooling (Terraform, Ansible, GitLab, Jenkins). Programming/scripting knowledge in Python More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Alexander Ash Consulting
optimise large-scale Linux-based platforms for high-performance trading and research workloads. Design and implement workload scheduling, high-performance file systems, and storage operations. Optimise hardware, networking, and kernel performance for low-latency and high-throughput environments . Partner closely with research and infrastructure teams to deliver scalable, reliable solutions. Drive automation using Terraform, Ansible, GitLab, Jenkins , and … trends, conduct POCs, and deliver technical recommendations. What We’re Looking For 10+ years’ experience in Linux systems administration/platform engineering . Proven technical leadership in hardware optimisation, kerneltuning, and network/storage performance . Hands-on experience with DevOps and CI/CD tooling (Terraform, Ansible, GitLab, Jenkins). Programming/scripting knowledge in Python More ❯
layer: CPU, cache, memory, and network Profile, benchmark, and fine-tune system behaviour under real-world conditions Collaborate with hardware and FPGA engineers on end-to-end architecture design Kernel-level optimization and low-level systems tuning Required: 5+ years developing performance-critical C++ applications (modern C++ standards) Strong systems programming and low-level understanding Expertise in Linux … internals, kerneltuning, and low-level profiling tools Genuine curiosity about hardware behaviour, networking, and system optimization Why Join: Work on systems where nanosecond optimizations have measurable impact Collaborate with world-class engineers across disciplines (software, FPGA, infrastructure) Technology-first culture that values innovation and technical excellence Solve challenging problems at the cutting edge of performance engineering More ❯
layer: CPU, cache, memory, and network Profile, benchmark, and fine-tune system behaviour under real-world conditions Collaborate with hardware and FPGA engineers on end-to-end architecture design Kernel-level optimization and low-level systems tuning Required: 5+ years developing performance-critical C++ applications (modern C++ standards) Strong systems programming and low-level understanding Expertise in Linux … internals, kerneltuning, and low-level profiling tools Genuine curiosity about hardware behaviour, networking, and system optimization Why Join: Work on systems where nanosecond optimizations have measurable impact Collaborate with world-class engineers across disciplines (software, FPGA, infrastructure) Technology-first culture that values innovation and technical excellence Solve challenging problems at the cutting edge of performance engineering More ❯
layer: CPU, cache, memory, and network Profile, benchmark, and fine-tune system behaviour under real-world conditions Collaborate with hardware and FPGA engineers on end-to-end architecture design Kernel-level optimization and low-level systems tuning Required: 5+ years developing performance-critical C++ applications (modern C++ standards) Strong systems programming and low-level understanding Expertise in Linux … internals, kerneltuning, and low-level profiling tools Genuine curiosity about hardware behaviour, networking, and system optimization Why Join: Work on systems where nanosecond optimizations have measurable impact Collaborate with world-class engineers across disciplines (software, FPGA, infrastructure) Technology-first culture that values innovation and technical excellence Solve challenging problems at the cutting edge of performance engineering More ❯
layer: CPU, cache, memory, and network Profile, benchmark, and fine-tune system behaviour under real-world conditions Collaborate with hardware and FPGA engineers on end-to-end architecture design Kernel-level optimization and low-level systems tuning Required: 5+ years developing performance-critical C++ applications (modern C++ standards) Strong systems programming and low-level understanding Expertise in Linux … internals, kerneltuning, and low-level profiling tools Genuine curiosity about hardware behaviour, networking, and system optimization Why Join: Work on systems where nanosecond optimizations have measurable impact Collaborate with world-class engineers across disciplines (software, FPGA, infrastructure) Technology-first culture that values innovation and technical excellence Solve challenging problems at the cutting edge of performance engineering More ❯
london (city of london), south east england, united kingdom
NJF Global Holdings Ltd
layer: CPU, cache, memory, and network Profile, benchmark, and fine-tune system behaviour under real-world conditions Collaborate with hardware and FPGA engineers on end-to-end architecture design Kernel-level optimization and low-level systems tuning Required: 5+ years developing performance-critical C++ applications (modern C++ standards) Strong systems programming and low-level understanding Expertise in Linux … internals, kerneltuning, and low-level profiling tools Genuine curiosity about hardware behaviour, networking, and system optimization Why Join: Work on systems where nanosecond optimizations have measurable impact Collaborate with world-class engineers across disciplines (software, FPGA, infrastructure) Technology-first culture that values innovation and technical excellence Solve challenging problems at the cutting edge of performance engineering More ❯
Hat Satellite to manage Linux environments. • Proficiency with scripting languages (i.e., bash/shell, Python, and Perl). • Strong troubleshooting skills including knowledge of Linux boot processes, Kickstart, systemd, kerneltuning, and system diagnostics. • Experience configuring and securing Linux storage solutions. • Familiar with Linux package management tools (i.e., rpm, yum, and dnf). • Solid understanding of networking concepts More ❯
Minimum 4 years of hands-on Linux systems administration experience • Experience in command-line skills (shell, text processing, system utilities) • Proficient with system installation and configuration, package management, systemd, kerneltuning, and file systems • Strong troubleshooting, problem-solving, and written/verbal communication skills • Ability to work overnight Panama shift and participate in on-call rotation • Knowledge of More ❯