Senior Platform Engineer

Senior Platform Engineer

Full-Time 63000 - 77000 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Lead the design and automation of a cutting-edge Azure and Kubernetes platform.
  • Company: Join a prestigious wealth management firm backed by a renowned private banking group.
  • Benefits: Competitive salary up to £100,000, hybrid work model, and career growth opportunities.
  • Other info: Collaborative culture focused on innovation and technical excellence.
  • Why this job: Make a significant impact in a high-stakes environment with advanced technology.
  • Qualifications: Proven experience in cloud engineering, particularly with Azure and Terraform.

The predicted salary is between 63000 - 77000 £ per year.

  • Senior Platform Engineer
  • London (Hybrid - 1 day per week onsite)
  • Perm

We are partnering with one of Europe's 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.

As part of a major technology modernisation push, they are appointing a Senior Platform Engineer to drive the technical design, evolution, and automation of their enterprise Microsoft Azure and Kubernetes platform ecosystem.

This is a senior, high-impact mandate offering significant technical ownership over infrastructure-as-code, Git Ops-driven delivery, and modern platform engineering standards within a highly regulated environment.

Key Responsibilities

  • Technical Leadership & Roadmap

Execution: Serve as a hands-on technical lead within the Platform & Infrastructure practice, driving the execution of the firm's enterprise cloud and platform roadmap.

  • Cloud & Platform

Architecture: Design, provision, and maintain a resilient, secure, and scalable Azure cloud estate spanning core compute, software-defined networking, storage, identity, and governance guardrails.

  • Delivery Automation & Git

Ops: Architect and optimise enterprise CI/CD pipelines and infrastructure delivery using Git Lab, Terraform, Kubernetes, Helm, and Git Ops-aligned release patterns.

  • Engineering Standards & Guardrails: Establish reusable platform components, reference architectures, and golden paths to accelerate application delivery while enforcing strict regulatory, security, and compliance baselines.
  • Cross-Functional

Modernisation: Partner closely with solutions architects, application engineering teams, and Group infrastructure counterparts to lead cloud adoption, microservice migration, and operational readiness.

  • Observability & Operational

Resilience: Drive end-to-end telemetry and observability initiatives across the platform estate, utilising centralised logging and metrics to ensure high availability and performance.

  • Documentation & Knowledge

Sharing: Produce production-grade technical artifacts, architectural diagrams, runbooks, and implementation blueprints to continuously raise internal engineering standards.

  • Candidate Profile
  • Senior
  • Platform

Expertise: 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.

  • Azure

Foundation: Deep practical mastery of Microsoft Azure architecture, covering core infrastructure services, IAM/Entra ID, network security policies, landing zones, and cloud governance frameworks.

  • Infrastructure as Code: Advanced Terraform capabilities, with proven ability to build clean, modular, and reusable Ia C templates to manage cloud and hybrid infrastructure.
  • Containers & Orchestration: Solid hands-on proficiency with Docker, Kubernetes, and Helm; sound understanding of declarative configuration management and automated environment promotion.
  • CI/CD & Pipeline Design: Production experience designing, hardening, and automating continuous integration and delivery pipelines using Git Lab CI or comparable platforms.
  • Automation & Scripting: Strong shell automation skills (Power Shell, Bash) alongside practical coding capability in a modern language such as Python or Go, with expert use of YAML.
  • Observability Tooling: Experience implementing monitoring, tracing, and logging stacks using Splunk, Prometheus, Grafana, or equivalent enterprise tools.
  • Communication & Collaboration: Exceptional communication skills with the ability to articulate technical risk, architecture decisions, and operational standards to both technical peers and cross-functional leadership
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Senior Platform Engineer employer: Third Nexus Group Limited

As a Senior Solutions Engineer at our Oxford office, you will be part of a dynamic Engineering Team that values innovation and collaboration. We offer competitive salaries, performance bonuses, and a supportive work culture that prioritises employee growth through continuous learning and development opportunities. Our commitment to providing the best tools and technology ensures that you can excel in your role while contributing to meaningful projects that enhance our core services.

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Contact Details:

Third Nexus Group Limited Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Platform Engineer

Join Local Tech Meetups

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Contribute to Open Source Projects

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We think you need these skills to ace Senior Platform Engineer

Microsoft Azure Architecture
Kubernetes
Terraform
GitOps
CI/CD Pipeline Design
Docker
Infrastructure as Code (IaC)

Some tips for your application 🫡

Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.

Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Third Nexus Group Limited.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Third Nexus Group Limited and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!

Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!

How to prepare for a job interview at Third Nexus Group Limited

Brush Up on Your Coding Skills

For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.

Know Your Tools and Frameworks

Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Third Nexus Group Limited uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.

Showcase Your Projects

Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.

Prepare for Behavioural Questions

While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.