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Salary
≈ $39k – $75k per year (Estimated)
Location
In office (London)
Visa
Licensed UK visa sponsor

Confirmed on the employer's own hiring board on Oct 14, 2026. First seen by Alion on Jul 29, 2026. Jane Street scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Jane Street (Jane Street Capital) is a quantitative trading firm and liquidity provider specializing in automated market making, algorithmic execution, and high-frequency trading. Headquartered in New York, New York, the firm operates major regional hubs in London, Hong Kong, Singapore, and Amsterdam. Its core activities involve deploying proprietary quantitative research, machine learning models, and low-latency infrastructure to facilitate continuous trading across exchange-traded funds (ETFs), equities, options, fixed income, futures, and derivative products across more than 200 trading venues globally.

About the Position

We’re seeking an IT Operations Engineer to support, configure and maintain multiple systems across all of our technology stacks, including desktop environments, network infrastructure and various application platforms. Working closely with specialised teams across the firm, you will help build and maintain the infrastructure that powers our trading operations. 

Technology is central to our business, and you’ll play a crucial role in responding to tech support requests, building and configuring Windows, Linux and macOS laptops, desktops and servers, supporting our Windows domain infrastructure, monitoring critical systems and helping with projects to optimise the way we work. You’ll also design, build and maintain automations with code to streamline recurring IT support tasks, reduce manual toil and improve team scalability. 

Your success will depend on exceptional problem-solving abilities and interpersonal skills as you collaborate with our technically-sophisticated users. The role demands real-time troubleshooting expertise, patient listening, comfort with asking clarifying questions and the humility to acknowledge mistakes. You'll experience immediate feedback and the satisfaction of seeing your solutions directly impact our business.

This role sits within our global IT Operations group, a team of systems and end user support engineers responsible for monitoring and managing our mixed Windows, Linux and macOS environment across a worldwide physical and virtual computing landscape. 

About You

  • Passionate about helping end users and solving technical problems
  • Have strong experience administering Windows desktop and server environments in production, including Active Directory, Group Policy and related tooling
  • Experienced with troubleshooting MDM for iOS, macOS and Android devices on platforms such as Omnissa Workspace ONE or Jamf
  • Experienced with-or interested in-supporting and optimising platforms and tools, such as Chocolatey, Google Workspace and Bloomberg
  • A strong written and verbal communicator, spanning technical documentation and day-to-day support of end users
  • Having strong technical skills in scripting for Windows (especially in PowerShell) or any Linux scripting experience (in Bash or Python) is a plus
  • Fluent in English

If you're a recruiting agency and want to partner with us, please reach out to  [email protected].

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