Windows Engineer

Jane Street
London, United Kingdom
On-siteCareer-pivot friendly

Who this role is best for

Geared toward technically skilled individuals comfortable with Windows automation and cross-platform development, with a focus on collaboration and learning in a finance-oriented environment in London.

Best fit for

  • Candidates with a background in .NET and a desire to work on automation tools in a finance domain
    — “Experienced with .NET languages (C# or F#)
  • Individuals who thrive in collaborative environments and are open to mentorship and real-world problem-solving
    — “paired with full-time employees who [REDACTED] mentors, collaborating with you on real-world projects we actually need done
  • Those interested in learning and applying OCaml, F#, and PowerShell in infrastructure automation
    — “learn how we use OCaml (our primary development language), F# (a similar language used with our Windows systems), and PowerShell

Things to consider

  • The role requires fluency in English for communication and collaboration
    — “Fluent in English
  • Candidates must be adaptable to a variety of tasks, from coding to system design and workflow improvements
    — “On any given day, you may be brainstorming approaches to improve systems and workflows, writing code, or learning about a new technology

How to stand out

  • Highlight experience with automation tools and cross-platform frameworks in your resume and interview responses
    — “Improving our CI/CD systems, cross-platform frameworks, and software development environments
  • Emphasize your problem-solving mindset and how you've approached complex system improvements in past roles
    — “brainstorming approaches to improve systems and workflows
Pace · Fast PacedCollaboration · HighAutonomy · MediumDecision Impact · Individual

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • designs, deploys, secures, and maintains automation tools
  • improves systems and workflows
  • writes code
  • learns new technologies
  • develops and maintains tools
Typical background
Windows engineerIT department

Skills & requirements

Required

Windows EngineeringAutomation ToolsConfiguration ManagementCi/cd SystemsCross-platform FrameworksSoftware Development EnvironmentsTool EfficiencyService ScalabilityEditor ImprovementsWorkflow ImprovementsCodingDeployment WorkflowsOcamlF#PowershellNetwork ProtocolsAi/llmsPrompt Engineering

Preferred

GUICommand Line

Stack & domain

.NET Languages (C# Or F#)PowershellWindows AutomationConfiguration ManagementCi/cd Systems

About the role

Original posting from Jane Street

About the position

Our goal is to give you a real sense of what it's like to work at Jane Street full time while also providing a truly unparalleled educational experience. As an intern, you are paired with full-time employees who act as mentors, collaborating with you on real-world projects we actually need done.

As a Windows Engineering intern, you'll work side by side with full-timers in the IT department to learn how we design, deploy, secure, and maintain the automation tools and key infrastructure components that are critical to Jane Street's success. Our Windows Engineers manage a combination of systems we've created ourselves, open-source tools meshed together to provide higher-level functions, and integrations with industry-leading third-party tools and platforms. All of these systems serve to support the Windows desktop and server estate, as well as the tech infrastructure across the company, regardless of platform. Our automation tools help Engineers develop solutions and integrations quickly, efficiently, and reliably.

On any given day, you may be brainstorming approaches to improve systems and workflows, writing code, or learning about a new technology our team may want to deploy. You'll also learn how we use OCaml (our primary development language), F# (a similar language used with our Windows systems), and PowerShell (a scripting language used for the majority of our automation in IT) in our day-to-day work, and gain exposure to the libraries and tools that are foundational to our internal systems.

After your initial training, you'll work in tandem with full-timers on projects drawn directly from our team's mission-critical stack. While your projects may vary in scope and content, they could include things like::

Developing and maintaining tools and applications related to Windows automation and configuration management

Improving our CI/CD systems, cross-platform frameworks, and software development environments

Improving the efficiency and scalability of our tools, services, and monitoring solutions

Implementing editor and workflow improvements to streamline coding and deployment workflows across IT

Learn more about Jane Street's internship program here.

About you

If you've never thought about a career in finance, you're in good company. Many of us were in the same position before working here. If you have a curious mind, a collaborative spirit, and a passion for solving interesting problems, we have a feeling you'll fit right in. We're more interested in how you think and learn than what you currently know. You should be:

A strong programmer who can demonstrate high potential and an aptitude for learning

Experienced with .NET languages (C# or F#)

Knowledgeable in operating system fundamentals and computer architecture

Able to understand network protocols at a basic level

Familiar with AI/LLMs and prompt engineering

Intellectually curious, collaborative, and eager to learn

Humble and unafraid to ask questions and admit mistakes

A strong communicator

As comfortable at the command line as you are in a GUI

Fluent in English

Source: Jane Street careers

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