Junior Platform Engineer

Junior Platform Engineer

Entry level 30000 - 40000 £ / year (est.) Home office (partial)
L

At a Glance

  • Tasks: Join our team to design and build cloud platforms while solving technical challenges.
  • Company: Lean Tree, a forward-thinking tech company focused on innovation.
  • Benefits: 25 days holiday, competitive salary, and structured career development.
  • Other info: Dynamic environment with excellent growth opportunities and a focus on teamwork.
  • Why this job: Gain hands-on experience with cutting-edge technologies and make a real impact.
  • Qualifications: 1-3 years in DevOps, cloud engineering, or cybersecurity; strong tech background required.

The predicted salary is between 30000 - 40000 £ per year.

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 Responsibilities

  • 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.

Reliability & Ownership

  • Takes responsibility for assigned tasks and demonstrates a proactive approach to learning and delivery.

Curiosity & Continuous Learning

  • Enthusiastic about learning new tools, frameworks, and technologies.

Problem-Solving Mindset

  • Analytical and logical approach to troubleshooting and technical challenges.

Business Awareness

  • Understands that technology decisions impact cost, scalability, performance, and customer value.

Adaptability

  • Comfortable working across a variety of technologies and changing priorities.

Process-Oriented Thinking

  • Able to develop scalable frameworks and repeatable success models.

Exceptional Communication

  • Clear, concise communication with stakeholders at all levels.

Drive for Excellence

  • High standards for self and others, with a strong sense of purpose.

Emotional Intelligence

  • Understands people, able to work within a team environment, collaborates well and navigates difficult conversations effectively.

Balancing Dual Priorities

  • Comfortable working at pace, managing competing demands with discipline and focus.

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

  • 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.
  • 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.

Values Alignment

The successful candidate must consistently demonstrate behaviours that align with the company's core values:

  • Teamwork – Works collaboratively, builds trust, and fosters an inclusive, high-performance culture.
  • Adaptability – Navigates uncertainty, embraces change, and continuously seeks improvement.
  • Drive – Takes ownership, delivers results, and thrives in a fast-paced, ambitious environment.
  • Integrity – Acts with honesty, transparency, and ethical responsibility in all decisions.
  • Commitment – Dedicated to the business vision, takes responsibility, and sees challenges through to completion and on time.

Reporting & Key Relationships

Reports to: Head of Practice and Engineering Lead

Key Internal Stakeholders: All teams within the organisation.

External Stakeholders: Assigned client reps

25 days holiday allowance (plus bank holidays)

Junior Platform Engineer employer: Lean Tree

At Lean Tree, we pride ourselves on being an exceptional employer that fosters a collaborative and innovative work culture. As a Junior Platform Engineer, you will benefit from structured career pathways, hands-on experience with cutting-edge technologies, and the opportunity to engage in meaningful projects that drive your professional growth. Our commitment to continuous learning and development ensures that you will thrive in a supportive environment, making a real impact in the world of cloud engineering and automation.

L

Contact Details:

Lean Tree Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Junior Platform Engineer

Tip Number 1

Network like a pro! Get out there and connect with people in the industry. Attend meetups, webinars, or tech conferences. You never know who might have a lead on your dream job!

Tip Number 2

Show off your skills! Create a portfolio or GitHub repository showcasing your projects and contributions. This is a great way to demonstrate your hands-on experience and passion for platform engineering.

Tip Number 3

Prepare for interviews by practising common technical questions and scenarios. We recommend doing mock interviews with friends or using online platforms to get comfortable with the process.

Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are proactive about their job search!

We think you need these skills to ace Junior Platform Engineer

Cloud Technologies
Automation
AI
DevOps
CI/CD Pipelines
Infrastructure as Code
Linux Administration

Some tips for your application 🫡

Tailor Your CV:Make sure your CV is tailored to the Junior Platform Engineer role. Highlight your relevant experience, especially in cloud technologies and automation. We want to see how your skills align with what we're looking for!

Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you're excited about this role and how your background in tech makes you a great fit. Let us know about your passion for learning and problem-solving.

Showcase Your Projects:If you've worked on any personal or open-source projects, make sure to mention them! We love seeing hands-on experience, especially with tools like Docker, Kubernetes, or any cloud platforms. It shows us your practical skills and enthusiasm.

Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it’s super easy and straightforward!

How to prepare for a job interview at Lean Tree

Know Your Tech

Brush up on your knowledge of cloud technologies, automation tools, and programming languages relevant to the role. Be ready to discuss your hands-on experience with platforms like AWS, Azure, or GCP, and how you've used tools like Docker or Kubernetes in past projects.

Show Your Problem-Solving Skills

Prepare to share specific examples of technical challenges you've faced and how you approached solving them. Highlight your analytical mindset and any innovative solutions you've implemented, especially in fast-paced environments.

Demonstrate Continuous Learning

Express your enthusiasm for learning new technologies and frameworks. Mention any recent courses, certifications, or personal projects that showcase your commitment to staying updated in the tech field, particularly in areas like AI and automation.

Communicate Clearly

Practice articulating your thoughts clearly and concisely. Be prepared to explain complex technical concepts in simple terms, as effective communication is key when collaborating with cross-functional teams and stakeholders.