Elnur Mammadov DevOps Engineer

Work Experience

Senior DevOps Engineer, New Testing Environment

Duration: 2021 - Present
Summary: Developed a new testing environment that allows customer testing by mirroring the production environment through infrastructure as code.
Responsibilities: Created new VPC with subnets, orchestrated Docker image composition and uploads to ECR repos, configured ECS cluster with task definitions, set up custom MongoDB database, implemented Autoscaling groups and network/application load balancers, established blue & green target groups with necessary IAM permissions, managed S3 buckets, and implemented SQS queues.
Technologies: Terraform, Docker, ECR, ECS, MongoDB, IAM, S3, SQS, Autoscaling, Load Balancers

Senior DevOps Engineer, Apache Airflow (MWAA) with AWS Cognito login

Duration: 2021 - Present
Summary: Enabled AWS MWAA Environment for Apache Airflow to support Cognito login by developing a serverless infrastructure and client access management.
Responsibilities: Created MWAA Environment using Terraform, implemented Lambda functions for periodic CodeArtifact token updates and client access management via roles, and facilitated SSO login process.
Technologies: AWS MWAA, AWS Cognito, Terraform, Lambda, SSO, CodeArtifact

Senior DevOps Engineer, S3 browser app with Cognito/SSO login

Duration: 2021 - Present
Summary: Developed a user-friendly S3 browser application integrated with Cognito/SSO login, improving customer interaction with S3 buckets for data read/write operations.
Responsibilities: Designed a Javascript-based application using AWS Amplify for customer S3 access with SSO authentication, set up Lambda function to manage python wheel package uploads and updates to CodeArtifact and MWAA environment.
Technologies: Javascript, AWS Amplify, Cognito, SSO, S3, Lambda, CodeArtifact

Senior DevOps Engineer, New Azure AD and Cognito Federation

Duration: 2021 - Present
Summary: Implemented new Azure AD and Cognito Federation setup to facilitate SSO for customer access to existing applications.
Responsibilities: Coordinated with customer for SSO setup using their metadata, created SAML IdP, app clients, and established role-based access with Cognito groups.
Technologies: Azure AD, AWS Cognito, SAML, SSO

Senior DevOps Engineer, Certificate Management

Duration: 2021 - Present
Summary: Handled certificate management tasks ensuring secure and trusted connections between users and services.
Responsibilities: Created certificates in AWS ACM and with OpenSSL, managed certificate renewals, updated expired certificates, and maintained certificate fingerprints. Transitioned hard-coded certificates from application code to AWS Secrets Manager.
Technologies: AWS ACM, OpenSSL, Secrets Manager

Senior DevOps Engineer, Jupyterhub cluster on Kubernetes

Duration: 2021 - Present
Summary: Deployed a Jupyterhub cluster on Kubernetes enabling role-based access for custom Docker images.
Responsibilities: Utilised Helm charts for Jupyterhub cluster creation, customized Jupyterhub for launching specific Docker images, and configured role-based access controls.
Technologies: Docker, Kubernetes, Helm, EKS

Senior DevOps Engineer, AWS SES email

Duration: 2021 - Present
Summary: Set up AWS SES for sending emails from custom domains adhering to email security standards.
Responsibilities: Established SES identities supporting custom domains using SPF and DKIM email authentication techniques.
Technologies: AWS SES, SPF, DKIM

Senior DevOps Engineer, Jenkins and Bitbucket Pipelines

Duration: 2021 - Present
Summary: Managed Jenkins and Bitbucket pipelines for automated building, testing, and deploying of multiple Python and NodeJs applications.
Responsibilities: Created and managed the CI/CD pipelines, wrote Shell and Python scripts for automation, and assisted in maintenance and troubleshooting. Provided coaching to other team members.
Technologies: Jenkins, Bitbucket Pipelines, Python, NodeJs, Shell Script

DevOps Engineer (co-founder), Infrastructure Provisioning and Maintenance

Duration: 2021 - Present
Summary: Provisioned and maintained highly available IT infrastructure for a Layer 1 decentralized finance platform, successfully attracting over $3M in stakes.
Responsibilities: Deployed and secured a staking node using Docker in AWS, set up monitoring with Prometheus and Grafana, orchestrated alert management with PagerDuty, and developed a WordPress website using AWS services.
Technologies: Docker, AWS, Prometheus, Grafana, PagerDuty, WordPress, Route53, Cloudfront

DevOps Engineer, Java-based App CI/CD Pipeline

Duration: 2020 - 2021
Summary: Built a complete CI/CD pipeline for a Java-based microservice application, ensuring automated testing and deployment.
Responsibilities: Configured Jenkins server on AWS for pipeline creation, built Docker images and managed them with ECR, utilized Docker Compose and Kubernetes YAML files, and executed deployment to a web server.
Technologies: Java, Maven, Jenkins, ECR, Ansible, Docker, Kubernetes, Helm, Route53

DevOps Engineer, Phonebook Microservices Web App

Duration: 2020 - 2021
Summary: Developed a phonebook microservices web app integrating a MySQL database with a CI/CD pipeline for automated deployment.
Responsibilities: Orchestrated Jenkins deployment using Docker Swarm on EC2, built Ansible playbooks for configuring Swarm workers, and managed the interaction between frontend, backend, and database services.
Technologies: MySQL, Docker, Jenkins, Ansible, EC2, ECR

DevOps Engineer (part-time), EKS Cluster Provisioning

Duration: 02/2020 - 05/2020
Summary: Provisioned an EKS cluster using Terraform to facilitate the use of Helm for application management within Kubernetes.
Responsibilities: Installed Nginx ingress and Cluster autoscaler with Helm, configured deployments and services within the cluster.
Technologies: AWS, Terraform, EKS, Helm, Nginx

Education

• MSc Advanced Mechanical Engineering
  University of Southampton, Southampton, UK
  2010 - 2011
  
• BSc Naval Architecture
  Istanbul Technical University, Istanbul, Turkey
  2002 - 2006
  

Certification

• AWS Certified Solution Architect
  ID: J440ELHDEN141F5L
  Not Provided
  
• Certified Kubernetes Administrator (CKA)
  ID: LF-243q6o7988
  Not Provided
  
• HashiCorp Certified: Terraform Associate
  Not Provided
  Not Provided