Yalcin Kose

Henderson, NV 346-***-**** ad1n97@r.postjobfree.com linkedin.com/in/yalcin-kose

Green Card Holder

AWS Cloud & Devops Engineer

Professional Summary

Highly analytical, dedicated, and results-driven DevOps Engineer with 3+ equivalent years of experience in DevOps and 10+ years of experience in auditing, accounting and finance. Proficient in designing and building effective Continuous Integration and Delivery (CI/CD) pipelines, using containerization, orchestration, monitoring, infrastructure automation, configuration management tools as well as AWS solutions. Have ability to grasp latest technologies and to properly apply new tools. Effective at building productive relationships and collaborating with other professionals to drive the achievement of established goals and objectives. Excellent communicative, interpersonal, intuitive, analysis and leadership skills with ability to work efficiently in both independent and teamwork environments. Armed with notable problem-solving, multitasking and time management aptitudes.

Involved in designing and deploying applications on AWS working with its major services such as EC2, EBS, ALB, Auto Scaling, VPC, IAM, S3, Route53, RDS, DynamoDB, SNS, SQS, Elastic Beanstalk and focusing on high availability, fault tolerance, and auto-scaling.

Worked with containerized applications using all major components of Docker such as Dockerfiles, DockerCompose, Volume, Network, Hub, Images, and Swarm.

Used Kubernetes to manage containerized applications using its objects including Pods, Deployments, Namespaces, ConfigMaps, Secrets, PVs, PVCs, Services and Ingress.

Worked with Rancher to manage Kubernetes clusters.

Created highly available and scalable infrastructures using Infrastructure as a Code (IaC) tools like Terraform and AWS CloudFormation.

Experienced with Atlassian tools such as Jira, Opsgenie, Confluence and Statuspage.

Created freestyle projects and fully automated CI/CD pipelines and processes for multiple projects, extensively worked on CI/CD tool Jenkins for continuous integration and for End-to-End automation.

Worked with microservice architecture for containerized web applications.

Managed Okta and configured & integrated it with other DevOps tools.

Experienced in Git and GitHub, branching strategies, and workflows.

Monitored, analyzed, and reported performance statistics for cloud-hosted environments by using Datadog, AWS CloudWatch, Prometheus and Grafana.

Experienced hands-on with Shell (sh, bash), JSON, Yaml, and Python scripts for automated build and deployment process.

Experienced in Amazon Linux 2, Ubuntu, and CentOS Linux operating systems.

Professional Experience

DevOps Administrator April 2022–March 2023

Seagull Scientific LLC. Bellevue, WA www.seagullscientific.com

Worked on AWS cloud infrastructure with using its major services such as EC2, S3, IAM, VPC, RDS, Route 53, and so on. Used IAM service to create roles, users and groups and attached policies considering with least privilege principle.

Used Terraform and Terraform Cloud to provision AWS resources such as VPC, Subnet, EC2, ALB, NLB, S3, Security Groups, Prefix List, IGW, Route Table, and so on.

Maintained Rancher to manage Kubernetes clusters on production, staging and development environments.

Monitored infrastructure using with Datadog and created appropriate monitor alerts & dashboards.

Managed Okta as a workforce identity management system and configured & integrated it with other DevOps tools.

Used Jira as a project management tool and managed & experienced some other Atlassian tools such as Opsgenie, Confluence and Statuspage.

Experienced with Perforce as a version control system, Harbor as a container image registry and Jenkins as CI/CD.

DevOps Engineer March 2021–April 2022

Nioya Tech LLC. Tyson, VA www.nioyatech.com

Responsible for deploying, maintaining, managing and monitoring AWS infrastructure. Implemented AWS using the services such as EC2, EBS, S3, IAM, ELB, RDS, Route 53, VPC, Autoscaling, Cloud Front, Cloud Watch, Cloud Formation, EKS, ECR and Security Groups.

Worked on container-based deployments using Docker, Docker images, Docker files, Docker Hub, Docker Compose, Docker Registries and Docker Swarm.

Wrote Ansible playbooks, roles and modules to deploy, configure, and manage servers using Ansible, as a Configuration Management tool.

Created and managed Kubernetes cluster with AWS EKS and worked on creating pods, services and deployments by using YAML files.

Worked with Terraform and AWS CloudFormation to create AWS resources such as EC2, EBS, ALB, S3, VPC, Subnet and Security Groups.

Maintained Jenkins regular cron job updates in servers working along with Git & GitHub.

Experienced with MAVEN as build tools and Jacoco as code coverage tool on Java project for the development of build artifacts on the source code.

Experienced hands-on with scripting languages (Groovy, Bash, and Shell scripting).

Technical Skills

Cloud Technologies: Amazon Web Services – AWS (EC2, ELB, Auto Scaling, EBS, S3, RDS, CloudFront, CloudFormation, Route53, IAM, Elastic Beanstalk, ECR, EKS, DynamoDB, VPC, Lambda).

DevOps Tools: Kubernetes, Rancher, Terraform, Docker & Docker Swarm, Jenkins, Ansible, GIT, Datadog, Prometheus, Grafana, Jira, Maven,

Operating Systems: Linux, Windows, MacOS

Project Management: Jira, Scrum/Kanban, SDLC

Languages: Bash Scripting, Python, SQL, HTML

Atlassian Products: Jira, Opsgenie, Confluence, Statuspage

Other: VSCode, VIM, Nano, YAML, JSON

Other Professional Experience

Logistics Coordinator / Staff Accountant July 2019–Sept 2021

Pearl Crop Inc. Stockton, CA www.pearlcrop.com

Coordinated transportation via ocean & truck; domestic and international using SmartSheet.

Maintained sales documentation; from preparing contract to generating the invoice using SAP.

Worked with MS Excel intensively in cash management duties like; daily cash position & outgoing- outstanding check report and month end/close duties such as; credit card reconciliation, bank account reconciliation.

Used SAP intensively for implementing A/P & A/R management duties including; weekly A/P & A/R aging, post daily incoming/outgoing payments and daily bank account transactions.

Financial Auditor/Investigator March 2010–Sept 2016

Capital Markets Board of Turkey (CMB), Enforcement Department Istanbul, Turkey www.cmb.gov.tr

(Regulatory and supervisory authority in charge of the securities markets in Turkey – Turkish SEC)

Successfully directed & actively collaborated investigation teams in auditing Turkey’s leading publicly held companies from different industries such as real estate, tourism, manufacturing and finance.

Effectively utilized MS Excel, CAP (a kind of computerized audit tool) in audits to decrease the durations of financial audits and investigations.

Fully administered the investigation processes and headed communication with several CMB departments, including government institutions and company executives.

Probed international financial crime and money laundering cases.

Presided over the training of 10+ junior auditors, along with coordination of on-the-job training of enforcement staff.

Certifications

CKA – Certified Kubernetes Administrator

CKAD – Certified Kubernetes Application Developer

AWS Certified Solutions Architect – Associate

AWS Certified Cloud Practitioner

HashiCorp Certified Terraform Associate (In Progress)

Education

Bachelor of Science, Economics (in English)

Istanbul University, Faculty of Economics Istanbul, Turkey

Bachelor of Science, Public Finance (Double Major)

Istanbul University, Faculty of Economics Istanbul, Turkey

Associate's Degree, Jurisprudence/Paralegal Studies

Anadolu University, Faculty of Open Education Eskisehir, Turkey

Languages

English: Advanced

Turkish: Native

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