Senior Network Engineer in London

Senior Network Engineer in London

London Full-Time 63000 - 77000 £ / year (est.) On-site
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At a Glance

  • Tasks: Scale networks, drive automation, and leverage AI for improved operations.
  • Company: Join Jane Street, a leader in innovative network solutions.
  • Benefits: Competitive salary, flexible work environment, and opportunities for professional growth.
  • Other info: Dynamic role with a focus on innovation and teamwork.
  • Why this job: Make a significant impact on cutting-edge network infrastructure and collaborate with global teams.
  • Qualifications: 7+ years in network infrastructure, strong routing protocol knowledge, and programming skills.

The predicted salary is between 63000 - 77000 £ per year.

We are looking for a Senior Network Engineer who can help us scale our networks to meet increasing business demands, drive standardisation through automation and look for opportunities to leverage AI to improve operations. Jane Street’s numerous distributed systems run on a multi-vendor, highly available network infrastructure and handle a variety of traffic profiles – from high-speed trading to everyday internet connectivity.

A typical day on the Network Engineering team includes:

  • Collaborating on new data centre and colocation initiatives, WAN routing optimisation and other cross-team design projects
  • Interfacing with stakeholders to assess business needs and develop innovative network features/capabilities
  • Leading both reactive support tasks and proactive infrastructure improvements, focusing on thorough documentation to reduce outages and enhance troubleshooting
  • Exploring AI/ML-driven enhancements to streamline operations and continuously improve service quality
  • Using your networking expertise to help us scale our team’s infrastructure at large while maintaining high standards for network performance and reliability
  • Documenting solutions and processes that help the team work more efficiently, using a meticulous attention to detail

If you have a passion for innovating within a complex network ecosystem, enjoy building scalable systems and documentation structures and are curious about how AI can refine network operations, this role provides a platform to make a significant impact at Jane Street. We look forward to learning from your expertise and unique perspective.

About You:

  • Have 7+ years of experience operating and deploying network infrastructure, with 3+ years dedicated to ground-up network design
  • Have deep experience with routing and network protocols (OSPF, BGP, PIM-SM) and the troubleshooting of transport protocols (TCP/UDP)
  • Comfortable operating in Linux environments and proficient in at least one programming language
  • Strongly inclined to automate workflows and explore AI/ML approaches to improve efficiency or reduce overhead
  • Eager to produce comprehensive, scalable documentation that benefits the entire team
  • Have a demonstrated ability to balance multiple priorities, switch contexts effectively and maintain a high level of customer service
  • Excellent collaborator and communicator; ready to build strong partnerships with diverse global teams and stakeholders to share your recommendations, issues and outcomes
  • Have a flexible, reliable mindset and enthusiasm for sharing knowledge with peers
  • Any prior exposure to overlay networks (EVPN, VXLAN) is a plus
  • Fluent in English

Senior Network Engineer in London employer: Jane Street

At Jane Street, we pride ourselves on being an exceptional employer, fostering a vibrant work culture that prioritises collaboration and employee engagement. Our London office offers a dynamic environment where the Events Management Specialist will play a crucial role in enhancing team connections through thoughtfully curated events, while benefiting from ample opportunities for professional growth and development. With a strong emphasis on support and innovation, we ensure our employees feel valued and excited to contribute to our collective success.

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Contact Details:

Jane Street Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Network Engineer in London

✨Join Local Tech Meetups

Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Jane Street or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!

✨Contribute to Open Source Projects

Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Jane Street.

✨Tap into Online Developer Communities

Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Jane Street.

✨Explore Job Boards Specifically for Tech Roles

Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Jane Street that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!

We think you need these skills to ace Senior Network Engineer in London

Network Infrastructure Design
Routing Protocols (OSPF, BGP, PIM-SM)
Transport Protocol Troubleshooting (TCP/UDP)
Linux Operating Systems
Programming Proficiency
Workflow Automation
AI/ML Approaches

Some tips for your application 🫡

Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.

Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Jane Street.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Jane Street and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!

Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!

How to prepare for a job interview at Jane Street

✨Brush Up on Your Coding Skills

For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.

✨Know Your Tools and Frameworks

Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Jane Street uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.

✨Showcase Your Projects

Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.

✨Prepare for Behavioural Questions

While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.