Updated April 2026

Junior Platform Engineer
Resume Example

A proven resume structure for junior platform engineer roles that showcases foundational infrastructure skills, automation contributions, and cloud experience.

ATS Score
85
Excellent
Keywords · Impact · Format
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Mia Castillo

Portland, OR  |  [email protected]  |  (555) 503-2278  |  linkedin.com/in/miacastillo
Summary

Platform engineer with 1 year of experience supporting Kubernetes infrastructure and CI/CD pipelines for a 20-person engineering team. Automated infrastructure provisioning using Terraform, reducing environment setup time by 70%. Passionate about developer tooling and infrastructure reliability.

Technical Skills
Infrastructure: AWS (EC2, S3, EKS, IAM), Docker, Kubernetes (basics)
Automation: Terraform, GitHub Actions, Bash, Ansible (basics)
Monitoring: Prometheus, Grafana, CloudWatch
Languages: Python, Bash, Go (learning), YAML
Experience
Platform Engineer - Coda Engineering
  • Maintained Kubernetes clusters (EKS) running 18 production services for a 20-person engineering team with 99.8% uptime
  • Wrote Terraform modules for 5 infrastructure components, reducing new environment setup time from 3 hours to 45 minutes
  • Configured GitHub Actions CI/CD pipelines for 8 repositories, cutting average build time from 12 minutes to 5 minutes
  • Created Grafana dashboards monitoring 10 key infrastructure metrics, reducing mean time to detect issues from 30 minutes to 5 minutes
DevOps Engineering Intern - Streamline Technologies
  • Containerized 4 legacy applications using Docker, reducing deployment inconsistencies by 80% across 3 environments
  • Wrote Python scripts automating 6 manual infrastructure tasks, saving the operations team 8 hours per week
  • Assisted in migrating 2 applications from on-premise servers to AWS EC2, achieving 40% cost reduction in hosting fees
Education
B.S. Computer Science - Oregon State University
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Why This Resume Works

1
Quantifies contributions at every level

Even as a junior and intern, every bullet has a metric: 70% faster setup, 80% fewer inconsistencies, 8 hours saved.

2
Shows the right foundational tools

Kubernetes, Terraform, Docker, GitHub Actions. These are the exact tools platform teams expect junior engineers to know.

3
Internship is included and well-structured

Containerization and cloud migration experience from an internship are relevant and worth highlighting.

Section-by-Section Breakdown

Summary

State your experience level honestly, mention the infrastructure you support, and highlight one automation win.

Skills

Mark tools you are still learning as 'basics' or 'learning'. Honesty builds trust and avoids interview surprises.

Experience

Focus on automation, setup time reduction, and reliability metrics. Even small improvements matter at the junior level.

Education

Recent graduates should place education prominently. Include relevant coursework in cloud computing or systems.

Key Skills for Junior Platform Engineer Resumes

Based on analysis of thousands of job postings, these are the most frequently required skills:

Kubernetes AWS Docker Terraform GitHub Actions Ansible Prometheus Grafana CloudWatch Python Bash CI/CD Infrastructure as Code Linux

Common Mistakes on Junior Platform Engineer Resumes

  • Overclaiming Kubernetes expertise - Be honest about your depth. 'Maintained EKS clusters' is credible. 'Architected multi-cluster federation' is not for a junior.
  • No automation metrics - Time saved, setup time reduced, and manual tasks eliminated are the core value propositions of platform work.
  • Hiding the internship - Infrastructure internship experience is directly relevant. Include it with strong, quantified bullets.
  • Listing every cloud service you have seen - Focus on the 5-8 AWS services you have actually used. Padding your skills list invites tough interview questions.
  • Missing monitoring and alerting experience - Prometheus, Grafana, and CloudWatch experience shows you understand operational responsibility, not just provisioning.

How to Write a Junior Platform Engineer Resume That Gets Interviews

The best tech resumes prove you can ship working software that solves real problems. Hiring managers and ATS systems both look for specific technical skills matched to measurable outcomes.

1
Lead with your tech stack

Put your most relevant languages, frameworks, and cloud platforms in the first 3 lines. Engineering managers decide in seconds whether your stack matches their needs.

2
Quantify system impact

Instead of "worked on backend services," write "Built microservices handling 50K RPM with p99 latency under 100ms." Scale, uptime, and performance numbers show engineering maturity.

3
Show ownership, not participation

Replace "helped with" and "contributed to" with "architected," "led," or "owned." Hiring managers want individual contributors who drive outcomes, not people who attend meetings.

4
Keep it to one page

Unless you have 15+ years of experience, a single page forces you to prioritize. Every line should demonstrate a skill the target role requires.

Once your junior platform engineer resume is drafted, score your resume to catch keyword gaps before submitting.

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