DevOps Engineer Resume Example That Passes ATS Screening
DevOps resumes tend to fall into one of two traps: either a laundry list of tools with no context, or vague claims about 'improving CI/CD pipelines' with nothing to back them up. The strongest DevOps resumes connect infrastructure work to developer productivity, system reliability, and cost savings. This mistakes-lead layout starts with what most candidates get wrong, then shows what right looks like.
Common DevOps Engineer Resume Mistakes
Hiring managers reviewing DevOps Engineer resumes flag these problems repeatedly. Each one can knock your ATS score or land your application in the rejection pile.
- Listing 30+ tools without any context about how or where you used them in production.
- Writing 'managed CI/CD pipelines' without specifying the tools, scale, or performance improvements.
- Not including uptime, incident response, or reliability metrics that define DevOps success.
- Ignoring cost optimization entirely, which is increasingly a core DevOps responsibility.
- Describing infrastructure without mentioning the user-facing services it supports, making the work feel abstract.
- Using 'DevOps' as a catch-all without distinguishing between CI/CD, infrastructure, SRE, and platform engineering skills.
Full Resume Sample
Amir Hosseini
DevOps Engineer
Professional Summary
DevOps engineer with 5 years of experience designing and maintaining cloud infrastructure, CI/CD pipelines, and observability systems for high-traffic web applications. Focused on reducing deployment friction, improving system reliability, and controlling cloud spend. Primary experience with AWS, Terraform, and Kubernetes in environments serving 10M+ monthly active users.
Experience
DevOps Engineer
DoorDash · San Francisco, CA (Remote) · Feb 2023 - Present
- Manage Kubernetes clusters (EKS) running 200+ microservices across production, staging, and development environments serving 15M+ monthly users
- Rebuilt the CI/CD pipeline from Jenkins to GitHub Actions, reducing average build time from 22 minutes to 7 minutes and cutting flaky test failures by 60%
- Implemented infrastructure-as-code using Terraform for all AWS resources, achieving 98% IaC coverage and eliminating configuration drift across 3 AWS accounts
- Designed a centralized logging and alerting system using Datadog, reducing mean time to detection (MTTD) from 18 minutes to 4 minutes for production incidents
- Led a cloud cost optimization initiative that identified and eliminated $380K in annual waste from idle resources, oversized instances, and unused EBS volumes
Site Reliability Engineer
PagerDuty · Toronto, ON · Jun 2021 - Jan 2023
- Maintained 99.95% uptime for the core alerting platform by implementing automated failover, health checks, and capacity planning across 3 AWS regions
- Wrote Terraform modules for standardized service deployment, adopted by 6 engineering teams and reducing new service provisioning time from 2 days to 45 minutes
- Built a Prometheus and Grafana observability stack that tracked 1,200+ custom metrics, enabling teams to self-diagnose 70% of incidents without SRE escalation
- Authored runbooks and conducted 12 incident response training sessions, improving on-call response quality scores by 35% across the engineering org
Junior Systems Administrator
Tucows · Toronto, ON · Sep 2019 - May 2021
- Administered Linux servers (Ubuntu, CentOS) hosting DNS infrastructure handling 80B+ queries daily
- Automated routine maintenance tasks with Ansible playbooks, reducing manual operations work by 15 hours per week
- Migrated legacy monitoring from Nagios to Prometheus, improving alert accuracy and reducing false-positive pages by 50%
Education
B.S. Computer Science, Co-op Program — University of Waterloo, 2019
Skills
Cloud & Infrastructure: AWS (EKS, EC2, RDS, S3, Lambda, CloudFront), Terraform, CloudFormation, Docker, Kubernetes, Helm
CI/CD & Automation: GitHub Actions, Jenkins, ArgoCD, Ansible, Bash Scripting, Python
Observability & Reliability: Datadog, Prometheus, Grafana, PagerDuty, ELK Stack, OpenTelemetry
Practices & Methodologies: Infrastructure as Code, GitOps, Incident Response, SLO/SLI Definition, Capacity Planning, Chaos Engineering
Certifications
AWS Certified DevOps Engineer - Professional · Certified Kubernetes Administrator (CKA) · HashiCorp Certified: Terraform Associate
See how your resume scores against ATS systems
Check Your ATS Score Free →Why This Resume Works
Reliability metrics are front and center. Citing 99.95% uptime and reducing MTTD from 18 to 4 minutes speaks directly to what DevOps teams are measured on. These aren't vanity metrics - they're the numbers that show up in postmortems and quarterly reviews, and hiring managers recognize them immediately.
Cost savings make the business case for the role. The $380K cloud cost reduction bullet does something most DevOps resumes fail to do: it proves financial value. Engineering leadership increasingly expects DevOps engineers to be cost-conscious, and showing you've already done this work makes you a stronger candidate than someone who only talks about uptime.
Tool transitions show decision-making, not just tool usage. Moving from Jenkins to GitHub Actions and from Nagios to Prometheus aren't just tool swaps. The resume explains the impact of each migration (build time cut by 68%, false positives down 50%), which shows the candidate evaluated alternatives and made justified infrastructure decisions.
ATS Keywords for DevOps Engineer Resumes
ATS systems scanning DevOps Engineer applications look for these terms. The resume above weaves them in naturally rather than listing them outright.
Section-by-Section Writing Tips
Professional Summary
Lead with the scale of infrastructure you manage (number of services, users, environments) and the cloud providers you work with. DevOps is a scale-dependent role, and a candidate managing 200 microservices faces different challenges than one managing 10. Make your operating context clear upfront.
Experience Section
Every bullet should pair a technical action with a measurable outcome. 'Managed Kubernetes clusters' is a job duty. 'Managed EKS clusters running 200+ microservices serving 15M users' is a credential. Always include the before-and-after numbers for migrations and improvements, because the delta is what matters.
Skills Section
Organize by domain (cloud, CI/CD, observability, practices) rather than listing everything in one block. Be specific about cloud services - writing 'AWS' alone is too vague when the job posting asks for EKS, Lambda, or RDS. List the specific services you've used in production.
Education Section
A CS degree is common but not required in DevOps. Certifications (CKA, AWS DevOps Professional, Terraform Associate) carry more weight in this field than in most software roles because they validate hands-on infrastructure skills that are hard to assess from a resume alone.