Senior Platform SRE at IG Group | London | Rezi

Senior Platform SRE at IG Group

Senior Platform SRE

IG Group · London

Today

Senior Platform SRE

IG Group · London

6 hours ago
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About the Role

You will be a hands-on technical contributor at the heart of the Platform SRE team, owning pieces of the reliability platform that hundreds of engineers depend on. You will work at the intersection of software engineering, observability, and systems reliability, turning reliability from a reactive concern into a proactive engineering discipline. You will partner with Platform Engineering, product teams, and Reliability Champions to define what good looks like in production and then make it the default. You will contribute to the SRE Guild, mentor engineers across the organisation, and when things go wrong, you will be on the call helping to mitigate, understand, and prevent a repeat.

Responsibilities

  • Build and own the reliability platform
  • Implement comprehensive monitoring and observability using OpenTelemetry and distributed tracing
  • Maintain SLO, error budgets and burn-rate tracking
  • Establish and maintain 24/7 operational readiness including automated deployments, blue/green releases, and zero-downtime patching strategies
  • Engineer self-healing capabilities: auto-remediation, error-budget-gated rollback, and automated traffic rerouting
  • Design and run chaos experiments across the AWS estate, turning severe-but-plausible failure scenarios into engineering improvements
  • Build automation tools and CI/CD pipelines that embed reliability practices, while applying software engineering discipline including version control, code reviews, and testing
  • Contribute to the SRE AI agent, IG’s agentic tooling for incident investigation and reliability review, built on AWS frontier models
  • Mentor junior SREs and Reliability Champions on reliability patterns and production engineering discipline
  • Set and uphold standards
  • Author and evolve the SRE standards that underpin the Guild: SLO methodology, error budget policy, observability instrumentation guide, and Production Readiness Review (PRR) checklist
  • Mentor developers on reliability patterns including circuit breakers, retry logic, and fault tolerance
  • Work with development teams and Reliability Champions to design SLOs on customer journeys rather than per-service
  • Assist and guide teams in system design, capacity planning, architectural reviews and closing observability gaps
  • Own incident response and learning
  • Facilitate blameless post-incident reviews (PIRs) within five working days using contributing-factor methodology
  • Maintain the Lessons Register, track remediation actions to closure, and surface patterns across incidents quarterly

Requirements

  • Extensive working experience in all the below mentioned areas
  • Track record in high-throughput, production environments (financial services, trading platforms, or similar mission-critical systems preferred)
  • Demonstrated ability to improve system reliability and performance at scale
  • Experience working collaboratively with development teams to implement observability and reliability improvements
  • Strong troubleshooting skills in distributed systems environments
  • Systems thinking approach to problem-solving
  • Excellent communication skills for cross-functional collaboration and technical enablement
  • Ability to balance hands-on development work with operational responsibilities
  • Strong bias toward automation and eliminating manual toil

Skills

  • OpenTelemetry
  • Honeycomb
  • Datadog
  • Dynatrace
  • Grafana
  • Java
  • Python
  • Kubernetes (EKS, AKS, or GKE)
  • HashiCorp Nomad
  • AWS
  • Terraform
  • Circuit breakers
  • Bulkheads
  • Idempotency
  • Graceful degradation
  • Load-shedding
  • PagerDuty
  • ServiceNow
  • AWS FIS
  • Gremlin
  • RFCs

Location

  • On-premises
  • AWS

Work Type

  • Hybrid

Experience Level

  • Senior

Salary/Compensations

  • Competitive salary

Benefits

  • Tailored development programs
  • Mentoring opportunities with leaders
  • Clear career progression
  • Extra time off for volunteering and community work
  • 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)
  • 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
  • Enhanced primary (maternity), secondary (paternity), and shared parental pay and leave, as well as a range of support and benefits for parents
  • Option to participate and create ESG initiatives based on IG Brighter Future Fund

About the Company

  • 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.

Equal Opportunity

  • 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.