DevOps Engineer Cover Letter Example (2026 Guide)

Use this professional devops engineer cover letter example as a starting point. Customize it for each application and pair it with a tailored resume to maximize your chances.

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Professional Cover Letter Example

Dear Hiring Manager, I am writing to apply for the DevOps Engineer position at [Company Name]. With 5 years of experience building and managing cloud infrastructure, I specialize in automation, reliability engineering, and cost optimization at scale. At [Current Company], I architected AWS infrastructure supporting 10M+ monthly active users with 99.99% uptime. I reduced deployment time from 2 hours to 8 minutes by implementing automated CI/CD pipelines, cut infrastructure costs by 35% ($400K annually) through right-sizing and reserved instance optimization, and containerized 25+ microservices using Docker and Kubernetes. I am excited about [Company Name]'s engineering challenges and believe my expertise in infrastructure as code, container orchestration, and site reliability would be a strong fit. Best regards, [Your Name]

Why This Cover Letter Works

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Specific & Quantified

Uses real numbers and metrics to demonstrate impact rather than making vague claims.

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Tailored to the Role

References the company directly and connects relevant experience to the job requirements.

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Clear Structure

Follows a logical flow: introduction, experience highlights, company connection, and call to action.

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Concise & Focused

Keeps the letter to a few strong paragraphs without repeating the entire resume.

Key Skills to Mention

Weave these skills naturally into your cover letter to show alignment with what hiring managers look for in a devops engineer.

AWS / Azure / GCPDocker & KubernetesTerraform & Infrastructure as CodeCI/CD (Jenkins, GitHub Actions, GitLab CI)Linux AdministrationMonitoring & Observability (Datadog, Prometheus, Grafana)Python & Bash ScriptingSecurity Best Practices & IAMNetworking & Load BalancingIncident Response & On-call Management

Cover Letter Writing Tips

lightbulbQuantify uptime, deployment frequency, and infrastructure cost savings

lightbulbMention cloud certifications (AWS Solutions Architect, CKA, etc.)

lightbulbShow experience with both building new infrastructure and maintaining legacy systems

lightbulbHighlight your incident response and troubleshooting experience

lightbulbReference the company's scale or technical challenges to show you have done your research

lightbulbDemonstrate automation mindset — show what you automated and the time saved

Common Mistakes to Avoid

warningListing tools without explaining what you built or managed with them

warningNot quantifying the scale of infrastructure you have managed

warningFocusing on development skills instead of operations and reliability

warningForgetting to mention monitoring, alerting, and incident response experience

warningNot showing cost awareness — cloud cost optimization is a critical DevOps skill

warningWriting a letter that is too technical for the initial HR screening

Cover Letter Template

Dear [Hiring Manager's Name], I am writing to apply for the DevOps Engineer position at [Company Name]. With [X years] of experience in [relevant field], I have [key achievement or skill that aligns with the role]. In my current role at [Current Company], I [specific accomplishment with metric]. I also [second accomplishment with metric]. These experiences have strengthened my expertise in [relevant skill areas]. I am particularly drawn to [Company Name] because of [specific reason — company mission, product, culture, or recent news]. I believe my background in [relevant experience] would allow me to [specific contribution you would make]. I would welcome the opportunity to discuss how I can contribute to your team. Thank you for your time and consideration. Best regards, [Your Name] [Phone Number] [Email Address] [LinkedIn Profile URL]

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