Third Nexus Group Limited
Senior Platform Engineer
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.
- 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.
- 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
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About Third Nexus Group Limited
Third Nexus Group Limited
London
IT
Skills & Technologies
Inferred from job description
Salary Insight
£90,000
This role
£75,000
UK median
This salary is 20% above the UK median for Senior roles (£75,000/yr).
Based on 2024–2025 UK technology sector benchmarks