Senior Delivery Engineer - Arista Spine & Leaf (Inside IR35)
Senior Delivery Engineer - Arista Spine & Leaf (Inside IR35)

Senior Delivery Engineer - Arista Spine & Leaf (Inside IR35)

London Full-Time 43200 - 72000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Lead the deployment of Arista Spine & Leaf network solutions in a fast-paced environment.
  • Company: Join a dynamic tech company focused on mission-critical infrastructure in capital markets.
  • Benefits: Enjoy hybrid work with one day onsite in London and competitive pay of £490 per day.
  • Why this job: Be part of a cutting-edge team, enhancing low-latency networking for trading platforms.
  • Qualifications: Deep experience with Arista Networks and proficiency in VXLAN/EVPN required.
  • Other info: Opportunity for contract extension and exposure to automation tools is a plus.

The predicted salary is between 43200 - 72000 £ per year.

Job Title: Senior Delivery Engineer – Arista Spine & Leaf (Inside IR35)
Location: Ideally 1 day per week onsite in London
Contract Rate: £490 per day (Inside IR35)
Contract Type: 6months + (likely extension)
Role Overview
We are seeking a highly skilled Senior Delivery Engineer with a strong background in Arista-based Spine and Leaf network architectures to join a fast-paced technology environment, supporting mission-critical infrastructure with a focus on low-latency and high-performance networking.
You will lead and support the deployment and integration of complex network solutions based on VXLAN and EVPN , with an emphasis on multicast routing and layer 2/3 switching . The ideal candidate will have a deep understanding of capital markets/trading environments , where stability, scalability, and low-latency are paramount.
Key Responsibilities

  • Design, implement, and support Arista Spine & Leaf architectures across trading platforms.
  • Deploy and manage VXLAN/EVPN overlays , ensuring high availability and optimal performance.
  • Configure and troubleshoot multicast networking for Real Time data distribution.
  • Deliver complex routing and switching configurations across data center and campus environments.
  • Collaborate with internal stakeholders (network architects, traders, systems engineers) to ensure seamless infrastructure delivery.
  • Maintain documentation and provide detailed handovers to operations teams.
  • Participate in change control, incident management, and root cause analysis processes.

Key Skills and Experience
Mandatory:

  • Deep experience with Arista Networks , particularly Spine and Leaf architectures .
  • Proficiency in VXLAN and EVPN configuration and troubleshooting.
  • Strong multicast networking skills (PIM, IGMP, MSDP).
  • High-level understanding and hands-on delivery of routing (BGP, OSPF, ISIS) and switching (L2/L3) .
  • Background in capital markets or trading environments , understanding the criticality of low-latency and high-reliability infrastructure.

Desirable:

  • Exposure to automation tools (Python, Ansible) is a plus.
  • Experience with network telemetry and monitoring systems.
  • Arista certification (eg, ACE) highly desirable.

Work Environment

  • Hybrid: 1 day a week onsite in London , remainder remote.
  • Dynamic , high-stakes setting within capital markets/trading environments.
  • Working with cutting-edge technology stacks and financial trading systems.

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Senior Delivery Engineer - Arista Spine & Leaf (Inside IR35) employer: WNTD

Join a leading technology firm that values innovation and excellence in the fast-paced world of capital markets. With a hybrid work environment allowing for one day a week onsite in London, employees benefit from a dynamic culture that fosters collaboration and growth, while working with cutting-edge technologies. The company prioritises employee development and offers opportunities to engage with complex network solutions, ensuring a rewarding career path for those passionate about high-performance networking.
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Contact Detail:

WNTD Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Delivery Engineer - Arista Spine & Leaf (Inside IR35)

✨Tip Number 1

Make sure to showcase your hands-on experience with Arista Networks, particularly in Spine and Leaf architectures. Highlight specific projects where you've successfully implemented these technologies, as this will demonstrate your expertise to potential employers.

✨Tip Number 2

Familiarise yourself with the latest trends and best practices in VXLAN and EVPN configurations. Being able to discuss recent developments or challenges in these areas during interviews can set you apart from other candidates.

✨Tip Number 3

Network with professionals in the capital markets and trading environments. Attend industry events or join relevant online forums to connect with others in the field, which could lead to valuable referrals or insights about job openings.

✨Tip Number 4

Prepare to discuss your experience with multicast networking and routing protocols like BGP and OSPF. Be ready to provide examples of how you've tackled complex networking issues in high-stakes environments, as this will demonstrate your problem-solving skills.

We think you need these skills to ace Senior Delivery Engineer - Arista Spine & Leaf (Inside IR35)

Arista Networks Expertise
Spine and Leaf Architecture Design
VXLAN Configuration and Troubleshooting
EVPN Implementation
Multicast Networking Skills (PIM, IGMP, MSDP)
Routing Protocols (BGP, OSPF, ISIS)
Layer 2/3 Switching Knowledge
Capital Markets Understanding
Low-Latency Network Design
High-Availability Solutions
Network Documentation Skills
Change Control Processes
Incident Management
Root Cause Analysis
Collaboration with Technical Stakeholders
Automation Tools Exposure (Python, Ansible)
Network Telemetry and Monitoring Experience
Arista Certification (e.g., ACE)

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your experience with Arista Networks and Spine & Leaf architectures. Use specific examples that demonstrate your proficiency in VXLAN, EVPN, and multicast networking.

Craft a Compelling Cover Letter: Write a cover letter that connects your background in capital markets and trading environments to the role. Emphasise your understanding of low-latency and high-reliability infrastructure, and how you can contribute to the team.

Highlight Relevant Skills: In your application, clearly outline your skills in routing and switching protocols like BGP, OSPF, and ISIS. Mention any experience with automation tools such as Python or Ansible, as these are desirable for the role.

Showcase Collaboration Experience: Include examples of how you've collaborated with stakeholders in previous roles. This could involve working with network architects, traders, or systems engineers to deliver seamless infrastructure solutions.

How to prepare for a job interview at WNTD

✨Showcase Your Technical Expertise

Be prepared to discuss your experience with Arista Spine and Leaf architectures in detail. Highlight specific projects where you've implemented VXLAN and EVPN, and be ready to explain the challenges you faced and how you overcame them.

✨Understand the Business Context

Since this role is within capital markets, demonstrate your understanding of the importance of low-latency and high-reliability infrastructure. Share examples of how your technical decisions have positively impacted trading environments.

✨Prepare for Scenario-Based Questions

Expect scenario-based questions that assess your problem-solving skills. Think about past experiences where you had to troubleshoot multicast networking or deliver complex routing configurations, and be ready to walk through your thought process.

✨Emphasise Collaboration Skills

This role involves working closely with various stakeholders. Be ready to discuss how you've collaborated with network architects, traders, and systems engineers in the past, and how you ensure seamless infrastructure delivery.

Senior Delivery Engineer - Arista Spine & Leaf (Inside IR35)
WNTD
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  • Senior Delivery Engineer - Arista Spine & Leaf (Inside IR35)

    London
    Full-Time
    43200 - 72000 £ / year (est.)

    Application deadline: 2027-07-25

  • W

    WNTD

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