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Open nowPosted yesterday

Senior Platform Engineer

ig83 open roles

Where
City of London - United Kingdom
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Your applicationOpen nowSenior Platform Engineerig · City of London - United Kingdom

  1. YouYes, apply to this one.

  2. CV RocketCV written for this posting.

  3. 25 readersRecruiter, hiring manager, skeptic. Round after round.

  4. CV RocketApplied on ig's own form.

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The clock on this job

Early applications get read.

13.9% of postings close within 7 days. Measured by our own scanner across the market. ig postings stay open a median of 17 days.

Share of postings closed within
  1. 2.2%1 day
  2. 4.7%3 days
  3. 13.9%7 days
  4. 22.4%14 days
  5. 38.1%30 days
  6. 59.0%60 days
This job: posted yesterday

ig median: 17 days open

The posting

Job Title

Senior Platform Engineer

Job Description

So, who are we?

IG is a FTSE 100 fintech operating across five continents, serving over 1.3m customers and handling billions of dollars in transactions – built on scale, trust, and proof.

We didn't pivot to innovation; it's how we've always operated. What that means for the people who work here is real: genuinely complex problems to solve, the technology and resources to tackle them properly, and the kind of scope that's rare in established businesses.

The bar is high – bring a curious and forward-thinking mindset and we'll give you the platform to define what comes next. Join us at IG – the future gets built here.

Your team

This role is part of our Platform Engineering team who are responsible for building the cloud and containers platform landscape to support the business applications via self-service capabilities and automation.

Your role in the Team's Success

  • The Senior Platform Engineer is a hands-on technical contributor responsible for building, evolving, and maintaining cloud platform infrastructure to ensure it is secure, scalable, reliable, and cost-effective.
  • The Senior Platform Engineer embeds best practices into platform design and delivery across Engineering, Security and FinOps. They operate as a hands on expert, contributing to complex technical decisions, reducing platform risk, and enabling engineering teams to build and operate services with confidence, speed, and financial discipline.
  • The role includes mentoring junior engineers and supporting knowledge sharing across the team.

What you'll do

  • Design and architect scalable AWS cloud infrastructure, developing IaC solutions using Terraform and leading cloud technology evaluation and standardisation initiatives.
  • Build, optimise, and maintain CI/CD pipelines for infrastructure deployment, establishing DevOps and DevSecOps best practices across the organisation
  • Architect and manage Kubernetes environments (EKS, AKS, GKE) and implement platform engineering tools to deliver self-service capabilities via an IDP (e.g. Backstage)
  • Define and enforce monitoring, alerting, and observability standards to ensure infrastructure reliability and performance
  • Foster collaboration between development and operations teams, bridging gaps to drive a unified engineering culture
  • Mentor junior engineers, share knowledge across the team, and write and maintain documentation to support continuous learning and engineering best practices.

What you'll need for this role

Key Qualification Requirements:

Cloud Infrastructure & Experience: 4+ years in cloud infrastructure engineering with hands-on experience designing and administering complex platforms across AWS, GCP, and Azure, including deep knowledge of networking (VPC, Direct Connect, Transit Gateways, BGP, OSPF) and IaaS/PaaS architectural patterns.

Infrastructure-as-Code & Automation: 2+ years with IaC tools (Terraform or Ansible) and hands-on experience with orchestration and automation platforms (AWX, Ansible Tower, Terragrunt), scripting in Python, Bash, or Go

DevOps & DevSecOps: 2+ years designing and implementing CI/CD pipelines using Jenkins, GitLab, GitHub Actions, or equivalent, with strong knowledge of security best practices including secrets management, vulnerability scanning, and compliance

Kubernetes & Containers: 2+ years of Kubernetes administration across on-premises and cloud environments (EKS preferred, AKS, GKE), with proficiency in networking, RBAC, pod security, service mesh (Istio), and Docker image management

Platform Engineering & Developer Tooling: Experience implementing developer portals (Backstage), artifact repositories (JFrog Artifactory, Nexus), API gateways, and self-service platform engineering tools to support internal teams

Observability & Reliability: Hands-on experience with monitoring and observability platforms (Honeycomb, Prometheus, Grafana), including defining alerting standards and ensuring infrastructure reliability at scale

Architecture & Design: Strong grasp of microservices architecture, cloud networking protocols (Layer 2/3, MPLS), DNS, load balancing, and traffic management, with the ability to contribute to and implement technical direction

Version Control & Collaboration: Proficiency across version control systems (Git, GitHub, GitLab, Bitbucket) with the ability to operate autonomously and contribute to engineering standards across teams

The Perks

It really is more than a job. We think like a start-up, but we deliver like a FTSE 100 — so the bar is high, and we won't pretend otherwise. We work hybrid, which means three days in the office. We’ll recognise your talent and make sure that you can still have a life – at work, and outside of it. Networks, committees, awards, sports and social clubs, mentorships, volunteering opportunities, extra time off… the list goes on.

• 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

• A comprehensive global and local onboarding process

• Enhanced primary (maternity), secondary (paternity), and shared parental pay and leave, as well as a range of support and benefits for parents

Number of openings

1

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