DevOps Engineer Cover Letter Examples & Writing Guide

Dear Hiring Manager, I am writing to express my strong interest in the Senior DevOps Engineer position on Netflix's Platform team. With 6 years of experience building CI/CD pipelines and managing large-scale production systems, I am excited to contribute to your world-class engineering platform. In my current role as DevOps Lead at Spotify, I have successfully: • Built deployment pipelines enabling 500+ engineers to ship code 50+ times daily • Reduced production incidents by 70% through automated testing and progressive delivery • Implemented GitOps workflows with ArgoCD managing 1,000+ Kubernetes deployments • Achieved 99.99% uptime for critical services through chaos engineering and SRE practices Netflix's culture of freedom and responsibility resonates deeply with me. Your innovative approach to DevOps and commitment to reliability engineering set the industry standard. I would welcome the opportunity to discuss how my platform engineering experience can help Netflix continue to deliver exceptional streaming experiences. Sincerely, Alex Rodriguez

Dear Hiring Team, I am excited to apply for the DevOps Engineer position on GitHub's CI/CD team. With my 4 years of experience in build automation and passion for developer tools, I am eager to improve the development experience for millions of developers worldwide. At GitLab, I have specialized in: • Building scalable CI/CD infrastructure processing 10M+ pipeline runs monthly • Reducing build times by 60% through intelligent caching and parallelization • Implementing security scanning in pipelines detecting 500+ vulnerabilities before production • Creating self-service deployment tools reducing ops tickets by 80% GitHub's mission to be the home for all developers and your GitHub Actions platform inspire me. Your impact on the global developer community is unmatched. I look forward to discussing how my CI/CD expertise can enhance GitHub's developer experience. Best regards, Emily Chen

Dear Recruiting Team, I am writing to express my interest in the Site Reliability Engineer position at Datadog. With my background in distributed systems and expertise in observability, I am passionate about building reliable, scalable infrastructure. At New Relic, I have focused on: • Maintaining 99.95% uptime for services handling 50M+ requests per minute • Building automated incident response reducing MTTR from 45 minutes to 10 minutes • Implementing SLO-based alerting eliminating 90% of alert noise • Scaling infrastructure to handle 10x traffic growth while reducing costs by 30% Datadog's comprehensive observability platform and your commitment to helping customers monitor everything resonates with my SRE philosophy. Your unified monitoring solution is transforming how teams operate. I would be honored to contribute to Datadog's reliability and scale. Sincerely, Marcus Johnson

Dear Hiring Manager, I am excited to apply for the DevOps Engineer position on Atlassian's Infrastructure Automation team. With 3 years of experience in infrastructure-as-code and configuration management, I am ready to help scale Atlassian's cloud infrastructure. At Slack, I have: • Automated infrastructure provisioning using Terraform managing 5,000+ cloud resources • Built configuration management systems with Ansible eliminating manual server setup • Implemented disaster recovery procedures achieving RPO < 30 minutes • Created cost optimization strategies saving $1.5M annually Atlassian's products have transformed how I collaborate with teams. Your commitment to unleashing the potential of every team aligns with my values. I look forward to discussing how my automation expertise can support Atlassian's infrastructure growth. Best regards, Priya Sharma

Dear Hiring Team, I am writing to express my enthusiasm for the DevOps Engineer position on Twilio's Platform Services team. As a user of Twilio APIs and experienced DevOps engineer, I am excited to help build the infrastructure powering global communications. At SendGrid, I have: • Built multi-region active-active architectures serving 99.99% SLA requirements • Implemented blue-green deployments enabling zero-downtime releases • Created monitoring dashboards providing real-time visibility into 200+ services • Scaled email infrastructure from 10B to 50B+ messages monthly Twilio's mission to fuel the future of communications and your developer-first approach inspire me. Your platform democratizes access to communication capabilities. I would love to discuss how my platform engineering skills can help Twilio scale globally. Sincerely, Kevin Patel

Dear Hiring Manager, I am excited to apply for the Production Engineer position at Shopify. With my 4 years of experience in e-commerce infrastructure and Ruby on Rails expertise, I am passionate about empowering merchants through reliable, scalable systems. At Etsy, I have developed: • Auto-scaling solutions handling Black Friday traffic spikes of 20x normal load • Database sharding strategies supporting millions of product listings • Performance optimization reducing page load times by 40% • Incident management processes minimizing business impact during outages Shopify's mission to make commerce better for everyone resonates deeply with me. Your platform enables millions of entrepreneurs to build their businesses. I look forward to discussing how my e-commerce infrastructure expertise can support Shopify's merchants. Best regards, Sofia Martinez

Dear Hiring Team, I am writing to apply for the Junior DevOps Engineer position at HashiCorp. As a recent graduate passionate about infrastructure automation and active contributor to Terraform modules, I am eager to join the team building the tools that define modern DevOps. During my internship at CircleCI and personal projects, I have: • Built CI/CD pipelines using GitHub Actions reducing deployment time from hours to minutes • Automated infrastructure deployments with Terraform and Packer across AWS and Azure • Implemented container orchestration with Docker and Kubernetes for microservices • Contributed to open-source DevOps tools with 10+ merged pull requests HashiCorp's commitment to open source and your revolutionary approach to infrastructure automation inspire me. Your tools are the foundation of modern cloud operations. I would be honored to discuss how my automation skills and passion can contribute to HashiCorp's growth. Sincerely, Jordan Lee