Third Nexus Group Limited

Third Nexus Group Limited

London

Senior Platform Engineer

Full-Time£80,000 - 100,000 per yearvorgesternUnited Kingdom
IT

Job Description

Salary: £80,000 - 100,000 per year

Requirements:
  • Demonstrated track record in a Senior Platform, Infrastructure, or Cloud Engineering role, with prior experience in financial services or similarly regulated enterprise settings strongly preferred.
  • Deep practical mastery of Microsoft Azure architecture, covering core infrastructure services, IAM/Entra ID, network security policies, landing zones, and cloud governance frameworks.
  • Advanced Terraform capabilities, with proven ability to build clean, modular, and reusable IaC templates to manage cloud and hybrid infrastructure.
  • Solid hands-on proficiency with Docker, Kubernetes, and Helm; sound understanding of declarative configuration management and automated environment promotion.
  • Production experience designing, hardening, and automating continuous integration and delivery pipelines using GitLab CI or comparable platforms.
  • Strong shell automation skills (PowerShell, Bash) alongside practical coding capability in a modern language such as Python or Go, with expert use of YAML.
  • Experience implementing monitoring, tracing, and logging stacks using Splunk, Prometheus, Grafana, or equivalent enterprise tools.
  • Exceptional communication skills with the ability to articulate technical risk, architecture decisions, and operational standards to both technical peers and cross-functional leadership.
Responsibilities:
  • Serve as a hands-on technical lead within the Platform & Infrastructure practice, driving the execution of our enterprise cloud and platform roadmap.
  • Design, provision, and maintain a resilient, secure, and scalable Azure cloud estate spanning core compute, software-defined networking, storage, identity, and governance guardrails.
  • Architect and optimise enterprise CI/CD pipelines and infrastructure delivery using GitLab, Terraform, Kubernetes, Helm, and GitOps-aligned release patterns.
  • Establish reusable platform components, reference architectures, and golden paths to accelerate application delivery while enforcing strict regulatory, security, and compliance baselines.
  • Partner closely with solutions architects, application engineering teams, and Group infrastructure counterparts to lead cloud adoption, microservice migration, and operational readiness.
  • Drive end-to-end telemetry and observability initiatives across the platform estate, utilising centralised logging and metrics to ensure high availability and performance.
  • Produce production-grade technical artifacts, architectural diagrams, runbooks, and implementation blueprints to continuously raise internal engineering standards.
Technologies:
  • Architect
  • Azure
  • Bash
  • CI/CD
  • Cloud
  • Docker
  • GitLab
  • GitOps
  • Grafana
  • Helm
  • IAM
  • Kubernetes
  • Network
  • PowerShell
  • Prometheus
  • Python
  • Security
  • Splunk
  • Terraform
  • DevOps

More:

We are partnering with one of Europes most prestigious wealth managers, backed by a globally renowned private banking group with deep heritage and stability. Our client manages several billion in assets across the UK. This is a permanent Senior Platform Engineer role based in London with a hybrid working pattern of one day per week onsite, offering up to £100,000 per annum. As part of a major technology modernisation push, we are appointing a senior, high-impact engineer to drive the technical design, evolution, and automation of our enterprise Microsoft Azure and Kubernetes platform ecosystem within a highly regulated environment.

last updated 37 week of 2026

Interested in this role?

Submit your application now

How to Apply

Ready to apply for this position? Here's what you need:

  • An updated resume highlighting relevant experience
  • A compelling cover letter (if required)
  • Portfolio or work samples (for relevant positions)

About Third Nexus Group Limited

Third Nexus Group Limited

Third Nexus Group Limited

London

IT

Skills & Technologies

PythonGoScalaRailsAzureDockerKubernetesTerraformGitCI/CDRESTAI

Inferred from job description

Salary Insight

£90,000

This role

£75,000

UK median

This salary is 20% above the UK median for Senior roles75,000/yr).

Based on 2024–2025 UK technology sector benchmarks

Explore More UK Opportunities

Thousands of tech jobs across the United Kingdom