Junior Platform Engineer
Hybrid working - Remote + On-Site in the UK
Full-Time, Permanent (UK working permit required)
Who We Are
We are a Business Transformation Consultancy, passionate about supporting our clients with their transformation challenges and optimising how they work through the effective use of technology. Our goal is to help our clients realise true value from their investment.
We are growing quickly but continue to set the bar high and are looking to develop our early-stage talent for Technology and Digital Consultants who share our values and approach and bring subject matter expertise, passion and a desire to do the right thing for clients. We offer our people the opportunity to develop their careers and act as a trusted advisor to a range of impressive clients, working on complex and varied digital and technology engagements and making a real difference to the company’s we support.
As an Employee-Owned Trust (EOT), our people are at the heart of everything we do. Everyone has a stake in our success, a voice in how we operate, and a shared responsibility to act with integrity, ambition and care for our clients and each other.
Role Purpose
This is an exciting opportunity for a Junior Platform Engineer with 1–3 years of experience and a strong academic background in Computer Science, Software Engineering, Information Systems, Artificial Intelligence, or another technology-focused discipline.
You will join our Platform Engineering team, supporting the design, build, and operation of cloud-based platforms that underpin modern digital services. This role is ideal for someone who:
Enjoys solving technical problems and learning new technologies.
Understands how technology can support business outcomes.
Thrives in a fast-paced environment and is eager to develop new skills.
Has a strong interest in cloud technologies, automation, AI, and modern engineering practices.
You will work alongside experienced engineers and consultants, gaining practical experience across cloud computing, DevOps, automation, observability, and security.
Key Activities
Support the design, deployment, and maintenance of scalable and secure cloud infrastructure.
Assist in developing and maintaining CI/CD pipelines, automation scripts, and infrastructure-as-code solutions.
Contribute to platform engineering initiatives, including developer tooling and internal developer platforms (IDP).
Help monitor and improve system performance, reliability, and observability.
Support security, compliance, identity, and access management activities.
Collaborate with developers and consultants to integrate technical solutions into client environments.
Assist with troubleshooting, incident response, and operational support tasks.
Participate in innovation initiatives involving AI, automation, FinOps, and emerging technologies.
Document technical processes and contribute to internal knowledge sharing.
Typical Career Pathways
This role provides an exceptional foundation for careers in:
Platform or Cloud Engineering – Designing and managing high-performance cloud systems.
DevOps or Site Reliability Engineering (SRE) – Building automation pipelines and improving operational reliability.
Cybersecurity Engineering – Securing systems and networks through advanced tooling and policy design.
AI & Automation Consulting – Leveraging AI and ML in platform optimisation and workflow automation.
Technology Consulting – Advising clients on digital transformation strategies and technology investments.
At Lean Tree we aim to set a solid foundation for your career within 3-months of joining us, get you involved in client work within 6-months from which you will build your responsibilities and autonomy within the year.
Structured pathways and relevant certifications to support career development.
Typical projects are broad and varied with opportunities to get involved in cutting edge engineering with hands on experience in areas such as large-scale AI implementations in a real-world situation.
Experience
Essential:
Academic background in a relevant discipline.
1–3 years’ experience operating in one or more of the following areas: DevOps teams, cloud engineering, or cybersecurity within a commercial or industry environment.
Commercial experience working with at least one major cloud platform such as AWS, Azure, or GCP.
Hands-on experience supporting, deploying, or improving cloud infrastructure in live or pre-production environments.
Working knowledge of Linux administration and familiarity with Windows-based environments where relevant.
Practical scripting or programming experience using tools such as Python, Bash, PowerShell, or Go.
Experience contributing to CI/CD pipelines, automation, or infrastructure as code.
Working knowledge of observability and monitoring tools such as Prometheus, Grafana, ELK, or similar.
Understanding of core security principles, including identity and access management, secrets handling, and secure configuration.
Understanding of networking fundamentals, APIs, and service-to-service communication.
Experience working collaboratively with engineers or cross-functional teams to troubleshoot issues, improve reliability, and support delivery.
A clear interest in modern platform engineering practices, including automation, cloud-native tooling, and AI-enabled engineering productivity.
Desirable:
Experience with tools such as Docker, Kubernetes, Terraform, Git, Jenkins, or GitHub Actions.
Exposure to microservices, containerised workloads, or serverless architectures.
Experience supporting incident resolution, root cause analysis, or operational improvements.
Contributions to internal platform tooling, developer experience, reusable components, or shared engineering standards.
Participation in open-source, lab-based, or personal technical projects that demonstrate continued learning and hands-on capability.
Exposure to regulated, security-conscious, or client-facing delivery environments.
Practical use of AI tools or automation to improve engineering workflows, delivery speed, or operational efficiency.
Benefits
A competitive salary
25 days holiday allowance (plus bank holidays)
Enhanced Employer Pension Contribution
Enhanced Bonus Scheme
Health Insurance
Life Insurance
Training
EV Car Scheme

