Principal Infrastructure Engineer

IG Group Holdings plc; London; Hybrid; GBP 80,000 - 110,000; Full time

Job summary

A leading fintech company is seeking a Principal Infrastructure Engineer to enhance their infrastructure for their fast-growing retail business. The role emphasizes autonomy, collaboration, and innovation within a hybrid working environment, focusing on delivering reliable and efficient infrastructure solutions and mentoring junior engineers.

Benefits

Competitive salary

Flexible Benefits Package (12%)

Private medical cover

Life insurance

Gym membership contribution

28 days holiday with options to buy/sell

LinkedIn Learning access

Diversity and Inclusion networks

Qualifications

• Essential experience with Nutanix HCI.
• Ability to automate tasks with PowerShell or Python.
• Strong understanding of cloud and virtualisation technologies.

Responsibilities

• Lead the design of scalable, secure infrastructure.
• Work with cross-functional teams to align infrastructure.
• Mentor junior engineers and provide technical guidance.

Skills

Infrastructure knowledge

Virtualisation

Cloud-native skills

Troubleshooting

Collaboration

Tools

Nutanix Hyperconverged Infrastructure

PowerShell

Python

REST APIs

Job description

Job Title
Principal Infrastructure Engineer

Job Description
So, who are we?

Hello, we're IG Group, an FTSE 250 Fintech that provides cutting-edge mobile, web and desktop platforms that help our clients trade Stocks & Shares, leveraged products, Futures & Options and Crypto.

We are ambitious. Over 340,000 people already use our platforms. We're global with offices in 18 countries and products in 16 regions. We're hungry to move faster, ship better products for our customers and grow our user base. We believe in high autonomy, and we want people who are looking to do things differently to create better experiences for our customers.

We work in cross-functional teams and are laser-focused on increasing the number of active clients we serve to drive sustainable growth.

Your team

We are passionate about maintaining the speed, stability, and performance of our back-end systems, which directly impact the experience of our customer-facing applications. Our architecture is constantly evolving to meet new technical challenges, but always with a focus on practicality, performance, and scalability.

Our engineers have access to a wide range of tools and technologies, allowing them to tackle diverse problems while honing expertise in specific areas. We are looking for self-motivated, engineering-driven professionals who are pragmatic, enjoy working in a fast-paced environment and take pride in creating and operating large-scale, highly available, and high-performance systems.

Your role in the Team's Success

As a Principal Infrastructure Engineer, you will play a key role in building and enhancing the infrastructure that powers our fast-growing retail brokerage business while also supporting various other business initiatives.

With a lean team and a management philosophy that values autonomy, you'll have the freedom to shape impactful solutions.

What you'll do

In this role, you'll ensure the reliability and efficiency of the infrastructure by staying ahead of evolving technologies, proactively identifying potential issues, and leading multiple tasks and projects. Our goal is to maintain the most stable, performant Infrastructure possible, to deliver the best experience for our customers.

• Lead the design of scalable, secure, and resilient infrastructure (on-premise, cloud, or hybrid).
• Work closely with software engineers, DevOps, and SRE teams to align infrastructure with application needs.
• Define infrastructure standards, best practices, and reference architectures.
• Optimize infrastructure usage for performance and cost-efficiency.
• Drive Infrastructure as Code (IaC) using tools such as Terraform
• Serve as a technical advisor to leadership, helping with strategic planning and investment decisions
• Mentor junior Infrastructure engineers and provide technical guidance.

How we work

We try to take a thoughtful approach to our ways of working as a company. We follow a hybrid working model with 3 days in the office - which we think balances the need to collaborate effectively and connect with each other.

When it comes to how we deliver, there are 5 things we want everyone to do to drive high performance, better learning and career satisfaction:

Lead and Inspire: Drives trust, alignment, and enthusiasm

Think Big: Focus on the problems that most impact commercial outcomes

Champion the client: Understand and prioritise the client's needs

Deliver at pace: Push for fast, sustainable growth;

Raise the bar: Take ownership, be accountable and share feedback.

We believe that diversity is vital to success; it fuels creativity, drives innovation and sets us up for global success. We're committed to building teams with a variety of perspectives and skills to help us realise our vision and strategy, that's why we encourage applications from people with diverse backgrounds and experiences to join us on this journey.

Learn more about our D&I approach here.

What you'll need for this role

• Strong working knowledge of Nutanix Hyperconverged Infrastructure (HCI), requiring a mix of infrastructure, virtualisation, and cloud-native skills
• Firm grasp of hypervisors: AHV (preferred), VMware ESXi, or Hyper-V in Nutanix clusters.
• Experience with VM provisioning, live migration, cloning, snapshots, and DR within HCI environments.
• Knowledge of distributed storage fabric and how Nutanix abstracts and pools storage.
• PowerShell, Python, or REST APIs for automating tasks, familiarity with Nutanix REST APIs or CLI tools (ncli, acli)
• Ability to troubleshoot complex issues across compute, storage, and network layers
• Strong communication and collaboration skills for working with cross-functional IT teams

Key Qualification Requirements:

Previous experience working with Nutanix Hyperconverged Infrastructure is essential

The Perks

Your growth fuels our success!

Thrive with tailored development programs, mentoring opportunities with leaders, and clear career progression. Expand your network through committees, sports and social clubs. Enjoy extra time off for volunteering and community work.

• Competitive salary
• Flexible Benefits Package on top of your salary (12%)
• Private medical cover for you and your family
• Life insurance
• Contribution to gym memberships
• 25 Days holiday, with 1 additional day off to celebrate your Birthday & 2 additional days off a year for voluntary work (28 in total
• The option to buy or sell holiday days.
• Unlimited access to the LinkedIn Learning Platform
• A comprehensive global and local onboarding process
• Employee-led LGBTQ+, Women's, Black and Parents & Carers networks with an annual budget for organising events & projects that foster an open, diverse and inclusive culture
• Option to participate and create ESG initiatives based on IG Brighter Future Fund
• Enhanced primary (maternity), secondary (paternity), and shared parental pay and leave, as well as a range of support and benefits for parents

Learn more about the Perks here!

Join us for this exciting journey.

Apply NOW!

Number of openings
1