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- Tasks: Drive network automation and redesign for performance in a dynamic trading environment.
- Company: Leading investment bank focused on infrastructure transformation.
- Benefits: Hybrid work model, competitive salary, and inclusive culture.
- Why this job: Make a real impact on cutting-edge trading systems and collaborate with top professionals.
- Qualifications: Experience in low-latency trading environments and proficiency in network automation.
- Other info: Join a diverse team with opportunities for growth and innovation.
The predicted salary is between 43200 - 72000 £ per year.
We are seeking a Senior Network Engineer to join an exciting infrastructure transformation project within a leading investment banking environment. After years of organic growth, the trading network is now undergoing a major overhaul with fresh investment focused on latency-sensitive electronic trading systems. This is an opportunity to drive real architectural change, implement automation, and work closely with developers and application teams to redesign the network for performance, scalability, and resilience.
Location: Hybrid, London (3 days per week in office)
Your mission:
- Drive network automation using tools like Ansible
- Re-architect the network to improve latency and scalability
- Act as the bridge between infrastructure and trading/application teams
- Ensure stable operations and lead troubleshooting in production environments
What you'll bring:
- Proven experience in low-latency, high-availability trading environments
- Strong hands-on knowledge of Arista network equipment and architecture
- Proficiency in network automation, especially using Ansible
- Deep knowledge of routing protocols (OSPF, BGP) and IP transmission (Unicast/Multicast)
- Experience working with market brokers and direct market connectivity
- Strong skills in packet-level analysis and root cause troubleshooting
- Ability to capture business/application needs and translate them into technical solutions
- Previous exposure to firewalls, proxies, load balancers (LTM/Web Gateway)
Nice to have:
- CCIE certification or equivalent experience
Key responsibilities:
- Design, document, and deploy new infrastructure following network-as-code principles
- Own high- and low-level design (HLD/LLD) and support knowledge sharing with global ops teams
- Serve as the senior escalation point for London-based trading network issues
- Collaborate with global peers and vendors to manage implementation and upgrades
- Support and optimise monitoring, capacity planning, and incident response
As an employer, MARGO offers equal employment opportunities regardless of gender, ethnicity, religion, sexual orientation, social status, disability, or age. MARGO is committed to fostering an inclusive work environment that reflects the diversity of its teams, and several actions are taken daily to achieve this!
Network Engineer in City of London employer: Margo
Contact Detail:
Margo Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Network Engineer in City of 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 projects! If you’ve worked on any personal or open-source projects, make sure to highlight them. This demonstrates your hands-on experience and passion for network engineering.
✨Tip Number 3
Prepare for technical interviews by practising common scenarios! Brush up on your knowledge of routing protocols and automation tools like Ansible. We recommend doing mock interviews with friends or using online platforms.
✨Tip Number 4
Apply directly through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows your enthusiasm for joining our team at MARGO.
We think you need these skills to ace Network Engineer in City of London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Network Engineer role. Highlight your experience with low-latency trading environments and network automation tools like Ansible. We want to see how your skills align with our mission!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're excited about this opportunity and how you can contribute to our infrastructure transformation project. Let us know what makes you the perfect fit!
Showcase Relevant Experience: When filling out your application, be sure to showcase your hands-on knowledge of Arista network equipment and your proficiency in routing protocols. We’re looking for specific examples that demonstrate your expertise!
Apply Through Our Website: We encourage you to apply through our website for a smoother process. It helps us keep track of your application and ensures you don’t miss any important updates. Plus, we love seeing applications come directly from our site!
How to prepare for a job interview at Margo
✨Know Your Tech Inside Out
Make sure you brush up on your knowledge of Arista network equipment and the routing protocols mentioned in the job description. Be ready to discuss how you've used these technologies in past roles, especially in low-latency trading environments.
✨Showcase Your Automation Skills
Since network automation is a key focus, prepare to talk about your experience with tools like Ansible. Have specific examples ready that demonstrate how you've implemented automation to improve network performance or reliability.
✨Bridge the Gap
Highlight your ability to act as a liaison between infrastructure and application teams. Think of examples where you've successfully collaborated with developers to meet business needs and translate them into technical solutions.
✨Prepare for Troubleshooting Scenarios
Expect to be asked about your troubleshooting process in production environments. Prepare to discuss specific incidents where you identified root causes and resolved issues, particularly in high-availability settings.
