> Markdown version of [/jobs/ext/2252489-system-engineer](https://www.wearedevelopers.com/jobs/ext/2252489-system-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # System Engineer - **Company:** NJF Global Holdings - **Location:** Greater London, UK - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Algorithmic Trading, Amazon Web Services, Bash Shell, Command-Line Interface, Cloud Computing, Linux, Python (Programming Language), Ansible, Shell Script, Saltstack, Puppet - **Published:** August 26, 2026 - **Apply:** https://www.collegerecruiter.com/job/2815240411-system-engineer ## About the Role * ~2+ years of Linux systems experience in a production environment * Strong command line and troubleshooting skills * Experience with Python or shell scripting * Familiarity with tools like Ansible, SaltStack, Puppet, or Chef ## Description A leading quantitative trading firm is looking for a Trading Systems Engineer to help support the Linux infrastructure powering its global trading environment. You'll work closely with engineering and operations teams to deploy, maintain, and improve the systems that support live trading. What you'll do: * Manage and maintain Linux-based trading infrastructure * Deploy and configure servers across production environments * Automate operational tasks using Python or Bash * Monitor, troubleshoot, and optimise system performance * Support production systems and collaborate on infrastructure improvements What we're looking for: * ~2+ years of Linux systems experience in a production environment * Strong command line and troubleshooting skills * Experience with Python or shell scripting * Familiarity with tools like Ansible, SaltStack, Puppet, or Chef Nice to have: cloud experience (AWS/GCP) or exposure to trading systems. ## Related Videos - [Hacking MSSQL on Cloud. All of them. How I became sysadmin on Azure, AWS, GCP and Alibaba.](https://www.wearedevelopers.com/videos/100339-hacking-mssql-on-cloud-all-of-them-how-i-became-sysadmin-on-azure-aws-gcp-and-alibaba) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Automate everything via NodeJS and Puppeteer](https://www.wearedevelopers.com/videos/322-automate-everything-via-nodejs-and-puppeteer) - [Dev & Test in the Cloud? Deploy your cloud environments with Ansible & Terraform](https://www.wearedevelopers.com/videos/1607-dev-test-in-the-cloud-deploy-your-cloud-environments-with-ansible-terraform) - [Embracing the Hybrid Cloud: Unlocking Success with Ansible](https://www.wearedevelopers.com/videos/932-embracing-the-hybrid-cloud-unlocking-success-with-ansible) - [Eclipse Che for Infrastructure Automation](https://www.wearedevelopers.com/videos/1611-eclipse-che-for-infrastructure-automation) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [DevOps Engineer Salary [2023]](https://www.wearedevelopers.com/magazine/203-devops-engineer-salary-2023) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers)