Senior Network Engineer in London

Senior Network Engineer in London

London Temporary 60000 - 84000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Lead critical network incident management and troubleshoot complex issues in a dynamic environment.
  • Company: Join a global network operations team focused on business-critical infrastructure.
  • Benefits: Competitive contract rate, hands-on experience, and opportunities for innovation projects.
  • Why this job: Make a real impact by ensuring network reliability and performance in a high-stakes role.
  • Qualifications: 10+ years in network engineering with deep expertise in routing, switching, and security.
  • Other info: Work in a fast-paced, multi-vendor environment with excellent career growth potential.

The predicted salary is between 60000 - 84000 £ per year.

Location: On-site, London (5 days a week)

Contract: Inside IR35

Length: 6 months rolling

We’re looking for a Senior Network Site Reliability Engineer (SRE) to join a global network operations team supporting large-scale, business-critical infrastructure. This is a hands-on, high-impact contract role where you’ll play a key part in keeping complex network environments reliable, scalable, and performant.

You’ll take ownership of major incidents, troubleshoot deep technical issues, and drive automation and observability across a multi-vendor estate.

The role:

  • Lead incident management for critical network issues, owning resolution during outages and high-pressure situations
  • Troubleshoot complex network problems across routing, switching, firewalling, and wireless environments
  • Provide technical leadership, setting direction and mentoring other engineers
  • Operate in a 24/7 environment, participating in a shift-based support model
  • Work across a multi-vendor estate, including Arista, Cisco, Cumulus, Palo Alto, Check Point, F5, Netscaler, Aruba, Mist, A10, Spectrum Ethernet, and InfiniBand
  • Support network security and segmentation, including VPN solutions such as GlobalProtect and AnyConnect
  • Drive automation and observability, using modern monitoring, alerting, and configuration tools
  • Contribute to innovation projects, including wireless design and AI cluster deployments

Requirements:

  • 10+ years’ hands-on experience in network engineering and operations
  • Deep expertise in routing, switching, firewalling, and wireless
  • Strong understanding of overlay and underlay networking
  • Solid experience in Linux/Unix environments
  • Proven ability to work independently and take technical ownership

Technical stack & tooling:

  • EVPN & Segment Routing

Tools & Platforms:

  • NetBox / Nautobot
  • Salt
  • Grafana, Splunk, syslog
  • ServiceNow, BigPanda, ITM
  • Ansible

Nice to have:

  • Experience with InfiniBand and AI cluster deployments
  • Strong background in network asset management

Please apply with a copy of your CV and Emma from SR2 will contact potential candidates regarding next steps.

Senior Network Engineer in London employer: SR2 | Socially Responsible Recruitment | Certified B Corporation™

Join a dynamic and innovative global network operations team in London, where your expertise as a Senior Network Engineer will be valued and impactful. We foster a collaborative work culture that prioritises employee growth through mentorship and hands-on experience with cutting-edge technologies. Enjoy the benefits of working in a vibrant city, with opportunities to engage in exciting projects that drive automation and enhance network reliability.
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Contact Detail:

SR2 | Socially Responsible Recruitment | Certified B Corporation™ Recruiting Team

StudySmarter Expert Advice 🤫

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

Tip Number 1

Network with industry professionals! Attend meetups, webinars, or conferences related to network engineering. This is a great way to make connections and learn about job openings that might not be advertised.

Tip Number 2

Showcase your skills through personal projects or contributions to open-source. Having tangible examples of your work can really set you apart during interviews and demonstrate your hands-on experience.

Tip Number 3

Prepare for technical interviews by brushing up on your troubleshooting skills. Be ready to discuss complex network issues you've resolved in the past and how you approached them. We want to see your thought process!

Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, we love hearing from passionate candidates who are eager to join our team.

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

Incident Management
Troubleshooting
Routing
Switching
Firewalling
Wireless Networking
Technical Leadership
Network Security
VPN Solutions
Automation
Observability
Linux/Unix Environments
EVPN
Segment Routing
Network Asset Management

Some tips for your application 🫡

Tailor Your CV: Make sure your CV is tailored to the Senior Network Engineer role. Highlight your experience with routing, switching, and any specific tools mentioned in the job description. We want to see how your skills match what we're looking for!

Showcase Your Experience: Don’t just list your past jobs; showcase your hands-on experience in network engineering. Include examples of how you've tackled complex issues or led incident management. This helps us see your problem-solving skills in action!

Be Clear and Concise: Keep your application clear and to the point. Use bullet points where possible to make it easy for us to read. We appreciate a well-structured application that gets straight to the important bits!

Apply Through Our Website: We encourage you to apply through our website for the best chance of getting noticed. It’s super easy, and we’ll be able to track your application better. Plus, it shows you’re serious about joining our team!

How to prepare for a job interview at SR2 | Socially Responsible Recruitment | Certified B Corporation™

Know Your Tech Stack

Make sure you’re well-versed in the specific tools and technologies mentioned in the job description. Brush up on your knowledge of Arista, Cisco, and other platforms listed. Being able to discuss your hands-on experience with these tools will show that you’re not just familiar but also capable.

Prepare for Incident Management Scenarios

Since the role involves leading incident management, think of examples from your past where you successfully resolved critical network issues. Be ready to explain your thought process and the steps you took during high-pressure situations. This will demonstrate your ability to take ownership and lead effectively.

Showcase Your Automation Skills

Automation is key in this role, so be prepared to discuss how you've driven automation and observability in previous positions. Share specific examples of projects where you used tools like Ansible or Grafana to improve network performance or reliability.

Demonstrate Leadership and Mentoring Experience

As a Senior Network Engineer, you’ll be expected to provide technical leadership. Think about times when you’ve mentored others or set direction for a team. Highlight these experiences to show that you can guide and inspire fellow engineers while maintaining a collaborative environment.

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