Marius Ducea, DevOps Engineer and AWS Developer in Austin, TX, United States
Marius Ducea

DevOps Engineer and AWS Developer in Austin, TX, United States

Member since June 26, 2020
Marius is an accomplished DevOps engineer with over 10 years of experience in designing and implementing automated, secure, and reliable systems for clients such as AdMob, Thumbtack, and Zillow. He specializes in DevOps culture-building through build/package/release automation, infrastructure coding on AWS, Kubernetes, Terraform, configuration management, monitoring, and instrumentation.
Marius is now available for hire

Portfolio

  • Omnyway
    AWS, Terraform, Amazon ECS, AWS Fargate, Serverless, Lambda
  • Zillow
    AWS, Terraform, Cloud Custodian, Hadoop, Kafka, EMR, Cost Optimization
  • Thumbtack
    AWS, Puppet, Security, ELK, Automation, Chaos Engineering

Experience

Location

Austin, TX, United States

Availability

Part-time

Preferred Environment

Kubernetes, Terraform, AWS, Vim Text Editor, Git, MacOS

The most amazing...

...project I've worked on is AdMob—from the first server deployed to the end when we had thousands of servers before the Google acquisition.

Employment

  • Senior DevOps Engineer

    2017 - 2020
    Omnyway
    • Designed and implemented Omnyway's next-generation infrastructure—deployed in redundant multiple active-active AWS regions and built on modern technologies like API Gateway, Lambda, Docker, and ECS/Fargate.
    • Built infrastructure as code (IaC) using Terraform and following best practices for agile teams. Automated the process of bringing up entire AWS accounts and environments.
    • Implemented security solutions for a highly secure PCI environment, using cloud-based tools such as AWS Lamba, GuardDuty, and Dome9.
    Technologies: AWS, Terraform, Amazon ECS, AWS Fargate, Serverless, Lambda
  • AWS Consultant

    2016 - 2018
    Zillow
    • Advised and assisted various teams during Trulia's migration from a datacenter to AWS. Trulia is a subsidiary of Zillow.
    • Implemented Terraform-based workflows, designing and creating most base modules (e.g., VPC, ALB, Kafka, Hadoop, EMR) that enabled multiple teams to reuse and share Terraform code, which sped up internal onboarding and management of Terraform code.
    • Led cost-saving initiatives across all Trulia teams such as using open source tools like Cloud Custodian to take advantage of cloud-based elasticity and on-demand, automated shutting down of unused resources during off-hours to save costs.
    Technologies: AWS, Terraform, Cloud Custodian, Hadoop, Kafka, EMR, Cost Optimization
  • Site Reliability Engineer

    2015 - 2017
    Thumbtack
    • Provided AWS expertise and cloud-based automation during Thumbtack's migration to AWS. Designed and implemented AWS account separation for a secure and reliable environment.
    • Optimized system security with proactive changes such as automated Linux system upgrades that were staged and controlled in various environments.
    • Tuned system performance to optimize the efficacy of new and existing ELK clusters. Automated ELK cluster deployment with Terraform.
    • Enhanced availability of the infrastructure through planning, thorough testing, automated implementation, and chaos engineering.
    Technologies: AWS, Puppet, Security, ELK, Automation, Chaos Engineering
  • Founder, Principal Consultant

    2013 - 2016
    Opscale, LLC
    • Founded Opscale to help startups in the Bay Area with their infrastructure automation challenges. Grew the firm to six-person consultancy focused on bringing value to our clients and being very involved in the local DevOps community.
    • Consulted to clients such as eBay/Paypal, Deutsche Telekom HBS, Electric Cloud, Balanced, and Continuuity, helping them manage and automate infrastructures using configuration management tools like Chef and Ansible on cloud solutions like AWS or GCP.
    • Implemented Docker-based solutions to help clients take advantage of cutting-edge technologies to achieve speed and portability for their businesses.
    • Spearheaded DevOps community involvement: co-organized DevOpsDays Silicon Valley, organized the Bay Area Chef Meetup group, founded the Infracoders Bay Area Meetup group, and presented topics like configuration management and monitoring to Meetups.
    Technologies: AWS, GPC, Chef, Ansible, Puppet, Docker

Experience

  • Knife-Backup (Development)
    https://github.com/mdxp/knife-backup

    Knife-Backup is a Knife plugin that helps users back up and restore a Chef server. This can be useful when migrating from one Chef server to another during upgrades or to back up current objects on the Chef server for DR purposes.

  • aws-env (Development)
    https://github.com/mdxp/aws-env

    aws-env makes it easier to work with multiple AWS cli profile keys and configs. It allows easy switching between different AWS profiles by simply running: aws-switch profile_name. It's very useful for anyone who has more than one AWS profile in their local config.

Skills

  • Tools

    Terraform, Chef, Amazon Virtual Private Cloud (VPC), Puppet, GitHub, VPN, Jenkins, Ansible, Git, Vim Text Editor
  • Paradigms

    DevOps, Continuous Delivery (CD), Continuous Integration (CI)
  • Platforms

    Linux, Kubernetes, Docker, Debian, Red Hat Linux, Ubuntu, Amazon Web Services (AWS), Unix, Google Cloud Platform (GCP), MacOS
  • Industry Expertise

    Security
  • Other

    Serverless, AWS, Networking, AWS DevOps, System Administration, Linux System Administration, Site Reliability Engineering (SRE), Open Source, High Availability
  • Languages

    Python, Ruby, Bash
  • Storage

    Databases

Certifications

  • AWS Certified DevOps Engineer - Professional
    AUGUST 2018 - AUGUST 2021
    Amazon Web Services (AWS)
  • AWS Certified Security - Specialty
    MARCH 2018 - MARCH 2021
    Amazon Web Services (AWS)
  • AWS Certified Solutions Architect - Professional
    NOVEMBER 2017 - NOVEMBER 2020
    Amazon Web Services (AWS)

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