Senior DevOps Engineer - AWS, Azure, Kubernetes, GitOps

Slava Marmuzevich DevOps Engineer

MINNEAPOLIS, MN 952-***-**** ****************@*****.*** https://www.linkedin.com/in/marmuzevich/

DevOps Engineer with 6+ years delivering secure, scalable infrastructure for Fortune 100 companies. Saved $50K+ annually by optimizing AWS and Azure environments, led Kubernetes adoption and GitOps rollout for 8+ teams, and built CI/CD pipelines enabling 70+ daily deployments. Integrated AI-powered DevOps tools (ChatGPT, Claude, Cursor, AI Agents) to accelerate delivery and reduce MTTR by 40% and supported SLA/SLO compliance. Known for mentoring engineers and driving cloud-native transformation at scale.

Walgreens - Fortune 20 retail pharmacy chain; contributed to enterprise-scale Azure automation, Terraform implementation, and Kubernetes platform support.

CHS Inc. - Fortune 100 energy and agriculture leader; built AWS infrastructure, migrated Selenium Grid to AWS EKS, and implemented GitHub Actions CI/CD pipelines.

DTN - Agricultural and weather intelligence provider serving 500+ agribusiness clients across North America; led AWS migration and optimized Jenkins-based CI/CD pipelines across multicloud infrastructure.

KEY ACHIEVEMENTS

•Saved $50K+ annually by optimizing AWS and Azure environments across three product teams through CI/CD auto-scaling and resource right-sizing.

•Improved test reliability by 50% by migrating 700+ daily automation tests from static Selenium Grid (30 EC2 nodes) to AWS EKS, eliminating infrastructure flakiness for QA and platform teams.

•Rolled out DevOps practices across 8 teams and mentored 3 engineers, increasing deployment success from 65% to 82%.

•Increased developer productivity by 35% for 25+ engineers by integrating AI-assisted workflows into GitHub Actions pipelines.

•Reduced environment provisioning time by 74% by automating setup of 20+ AWS environments using Terraform and Ansible (cutting setup time from 4 hours to 15 minutes), enabling parallel team onboarding and delivery.

•Tripled release frequency (from weekly to daily) by building GitHub Actions CI/CD pipelines, enabling faster feedback loops and accelerating delivery across 3 departments.

Expertise in Kubernetes, CI/CD, Infrastructure as Code, and cloud-native automation. Hands-on experience with Terraform, Helm, GitHub Actions, Argo CD, Ansible, and container orchestration on AWS and Azure. Strong knowledge of observability, monitoring, and SRE practices using Prometheus, Grafana, EFK Stack, and Vault. Skilled in building microservices pipelines, Agile/Scrum collaboration, and delivering secure, scalable cloud infrastructure.

Authorized to work for any U.S. employer (Green Card Holder).

PROFESSIONAL EXPERIENCE

Walgreens, Deerfield, IL December 2024 – June 2025

Fortune 20 retail pharmacy chain with $140B+ annual revenue and enterprise-scale Azure infrastructure

DEVOPS ENGINEER

•Designed and provisioned FedRAMP-aligned Azure Landing Zones for 3+ product teams using Terraform, accelerating cloud onboarding and reducing environment setup from days to hours.

•Built 8 reusable Terraform modules, reducing provisioning errors by 40% and standardizing deployments - cut support overhead for infra teams and improved rollout reliability across departments.

•Automated provisioning of 30+ Azure resource types (Key Vaults, App Services, Load Balancers, VMs, etc.) using Terraform and Ansible, reducing manual setup time by 60% and speeding up delivery of new services.

•Resolved 100+ ServiceNow infra tickets while coordinating with DevOps, Security, and Network teams - improved SLA compliance to 85% and helped unblock engineering teams faster.

•Optimized Azure DevOps pipelines, cutting deployment time from 45 to 30 minutes and enabling 3x faster feature releases.

•Supported 10+ applications on Azure AKS, resolving environment-specific issues and improving release stability - minimized downtime and helped teams meet release deadlines.

•Implemented HashiCorp Vault across 50+ microservices, eliminating 90% of hardcoded secrets - ensured compliance for internal audits and prevented potential security breaches.

•Used AI-powered tools (ChatGPT, Claude, Cursor) to accelerate CI/CD development and reduce debugging time

Technologies: Azure, AKS, Terraform, Ansible, Azure DevOps, Kubernetes, ServiceNow, CI/CD, Git, Key Vault, YAML, Bash, Python

CHS Inc., Inver Grove Heights, MN September 2020 – December 2024

Fortune 100 energy and agriculture cooperative with $35B+ annual revenue and enterprise-scale cloud infrastructure

DEVOPS ENGINEER

•Architected and deployed AWS EKS clusters supporting 80+ pods and 700+ daily test executions, improving test reliability by 50% and accelerating QA validation for critical supply chain applications.

•Reduced test execution time by 40% by migrating legacy Selenium Grid from static EC2 to auto-scaling Kubernetes, accelerating regression cycles and enabling teams to ship features to agribusiness clients 2x faster.

•Saved $30K+ annually by optimizing EKS for ephemeral workloads with dynamic node scaling - cut cloud spend while maintaining performance during seasonal traffic spikes in logistics and trading.

•Standardized infrastructure across 5+ environments with reusable Terraform modules - cut provisioning time by 70%, enabling faster onboarding of dev teams and reducing environment drift.

•Increased deployment frequency from weekly to daily using GitHub Actions CI/CD and Helm, shortening feedback loops for pricing and contract systems used by 500+ partners.

•Cut code review delays by 35% for 25+ engineers through AI tooling in pipelines - boosted developer throughput, improving sprint velocity and aligning delivery with quarterly business targets.

•Improved system observability by deploying Prometheus + Grafana dashboards - reduced incident MTTR by 40%, protecting SLAs during harvest season and minimizing disruptions to grain settlement platforms.

Technologies: AWS, EKS, Terraform, Ansible, GitHub Actions, Helm, Argo CD, Vault, Kubernetes, CI/CD, Prometheus, Grafana, Python, Bash

DTN, Bloomington, MN June 2018 – September 2020

Agriculture and weather intelligence platform serving 500+ agribusiness clients across North America, operating in a hybrid cloud environment

DEVOPS ENGINEER

•Automated AWS provisioning with Terraform and Ansible across 3+ environments, reducing infrastructure setup time by 40% and accelerating onboarding of new applications.

•Managed 15+ Jenkins pipelines across 10 development teams - increased release velocity by 50% and reduced deployment failures by 30%, improving delivery of client-facing features.

•Transitioned legacy pipelines to GitHub Actions, improving CI/CD efficiency by 25% and enabling faster feedback cycles for teams.

•Developed 10+ reusable Ansible playbooks - ensured 100% consistency across Linux VMs, reducing bugs and support tickets.

•Automated 20+ recurring infra tasks using Python and Bash - cut manual effort by 60%, reducing human error and freeing up engineer time for high-priority projects.

Technologies: AWS, Terraform, Ansible, Jenkins, GitHub Actions, EC2, S3, RDS, IAM, Route53, CloudWatch, Linux, Python, Bash

Redline IT, Inc, Newton, MA July 2013 – June 2018

IT consulting company delivering full-cycle software development and cloud solution

Test Automation Engineer

•Built 10+ automation frameworks for UI/API/DB testing using Selenium, Cypress, and WebDriver.IO - boosted QA coverage by 60% and reduced time-to-market by 30% for enterprise clients.

•Implemented BDD frameworks with Cucumber/Gherkin - cut UAT defects by 40%, improving release stability and client retention.

•Automated 1000+ regression and E2E scenarios - saved 70% of manual QA effort and enabled testing scale-up for 5+ new client projects without extra hires.

•Expanded mobile test coverage by 80% using Appium - ensured cross-platform reliability for Android and iOS apps in production.

•Integrated automated tests into CI/CD pipelines (Jenkins, Azure DevOps) - improved release validation and staging-to-prod confidence.

•Mentored 2 junior QA engineers and worked closely with DevOps and backend teams - aligned quality goals and ensured smooth collaboration across 10+ projects.

Technologies: Selenium, Cypress.io, WebDriver.IO, Appium, Java, C#, TypeScript, Postman, Rest Assured, SQL, Oracle, MySQL, Jenkins, Azure DevOps, Jira, XRay, TestRail

EDUCATION

Bachelor of Science in Chemistry [2008]

CERTIFICATES

Terraform: HashiCorp Terraform Associate (003) July 2024

AWS: Certified Solutions Architect (AWS SAA-C03) September 2024

Kubernetes: Certified Kubernetes Application Developer (CKAD) April 2024

Kubernetes: Certified Kubernetes Administrator (CKA) April 2024

Microsoft Certified: Azure DevOps Engineer Expert In Progress

Microsoft Certified Azure Administrator Associate(AZ-104) January 2026

TECHNICAL SKILLS

Languages: Python, Bash, PowerShell, Java, C#, TypeScript, SQL, YAML, JSON

Cloud Platforms: AWS (EKS, ECS, EC2, RDS, S3, Lambda, IAM, CloudWatch, Route53), Azure (AKS, Key Vault, DevOps), GCP(basic)

Containers & Orchestration: Kubernetes, Docker, Helm, Argo CD, OpenShift, KEDA, Istio

Infrastructure as Code & Automation: Terraform, Ansible, CloudFormation, GitOps(Argo CD, Flux)

CI/CD & DevOps: GitHub Actions, Jenkins, Azure DevOps, GitLab CI/CD, Bitbucket Pipelines

Monitoring & Observability: Prometheus, Grafana, Loki, EFK/ELK Stack, Datadog, New Relic

Security & Compliance: FedRAMP-aligned Azure architectures, Vault, Secrets Manager, Azure Key Vault, IAM, RBAC, SSO, OIDC, OAuth2, PKCE, Trivy, Checkov

Testing & QA Tools: Selenium, Cypress, WebDriverIO, Appium, Postman, Rest Assured, JUnit, TestNG, Cucumber

Databases: PostgreSQL, MySQL, MongoDB, Redis, ElasticSearch, Oracle

Version Control & Collaboration: Git, GitHub, GitLab, Bitbucket, Jira, XRay, TestRail, Confluence

AI Tools: ChatGPT, Claude, Claude Code, Cursor, AI Agents

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