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Atha Kouroussis, Unix Shell Scripting Developer in Pilar, Buenos Aires Province, Argentina
Atha Kouroussis

Unix Shell Scripting Developer in Pilar, Buenos Aires Province, Argentina

Member since December 28, 2018
Atha is a senior DevOps engineer and IT architect with 20+ years of experience in a wide range of IT initiatives. As a former CTO of an IaaS and managed services company, automation, thinking at scale, and customer focus have become his main drivers. His eagerness to learn and explore new technologies along with his extensive IT experience make him uniquely suited to leverage technology to produce flexible solutions that adapt to business needs.
Atha is now available for hire

Portfolio

  • Belatrix Software
    AWS, GCP, IBM Cloud, Linux, Ansible, Terraform, Kubernetes, Nomad, Consul
  • Vurbia Technologies
    IBM Cloud, VMware, AWS, GCP, Linux, Windows, Ansible, Terraform, Nomad, Consul
  • Uniqs
    Linux, Solaris, Oracle, Veritas, Sun Microsystems, EMC

Experience

  • Linux, 20 years
  • Unix Shell Scripting, 18 years
  • Git, 10 years
  • DevOps, 6 years
  • Amazon Web Services (AWS), 5 years
  • Ansible, 4 years
  • Terraform, 3 years
  • Google Cloud Platform (GCP), 3 years
Pilar, Buenos Aires Province, Argentina

Availability

Part-time

Preferred Environment

Linux, Zsh, Vim, Git, Ansible, Terraform

The most amazing...

...project I've led is the migration of an entire on-premises datacenter to a multi-cloud architecture.

Employment

  • Director of Cloud Sevices and DevOps

    2018 - PRESENT
    Belatrix Software
    • Bootstrapped the company's Cloud Services unit.
    • Designed, managed and supported the cloud infrastructure of multiple customers at multiple cloud providers.
    • Designed and executed multiple inter-cloud infrastructure migrations.
    • Oversaw recruiting and training, resource allocation, and employee assessment.
    • Designed and executed the company's cloud partnership strategy.
    Technologies: AWS, GCP, IBM Cloud, Linux, Ansible, Terraform, Kubernetes, Nomad, Consul
  • CEO/CTO and Co-founder

    2009 - 2018
    Vurbia Technologies
    • Designed, managed, and supported the company's VMware based IaaS.
    • Designed and executed the company's shift to become a managed services provider.
    • Architected and implemented many tailor-made infrastructure solutions for company customers.
    • Designed and developed numerous internal Ansible roles and Terraform modules.
    • Built and mentored a cohesive, diversely qualified IT team.
    Technologies: IBM Cloud, VMware, AWS, GCP, Linux, Windows, Ansible, Terraform, Nomad, Consul
  • Senior IT Architect and Consultant

    2007 - 2009
    Uniqs
    • Provided consulting services to a wide variety of companies in Latin America.
    • Designed and implemented several high availability and disaster recovery solutions for a wide variety of systems and platforms.
    • Performed numerous capacity planning and performance assessments.
    • Designed and implemented multiple early stage automation and configuration management solutions.
    • Developed custom tools for analysis of capacity planning and performance assessment data.
    Technologies: Linux, Solaris, Oracle, Veritas, Sun Microsystems, EMC
  • Operations and IT Manager

    2002 - 2006
    Naviera Petrosan
    • Recruited to organize and manage the company’s operations department.
    • Established and managed an enterprise-wide IT program.
    • Oversaw company-wide efforts to identify and evaluate all critical systems.
    • Designed and implemented security processes and procedures.
    • Designed and oversaw the development of a web-based application for the operational needs of the company.
    Technologies: Linux, Java, MySQL, Windows
  • Senior IT Architect

    2000 - 2001
    spyn Inc.
    • Recruited to provide consulting services to a wide variety of companies worldwide.
    • Supervised integration of heterogeneous platforms.
    • Provided final approval for fully functional mission-critical solutions.
    • Managed creation of high-profile HATP (high availability transaction processing) solutions, supervising development teams working in multiple locations.
    • Designed and supervised the implementation of several high availability and disaster recovery solutions for a wide variety of systems and platforms.
    Technologies: Solaris, Oracle, Sun Microsystems, Veritas, Hitachi
  • Senior Unix Engineer/Systems Architect

    1999 - 2000
    Unifon (Telefonica)
    • Provided internal support to the Unix development team for the company’s mission-critical application.
    • Co-managed and designed the company’s Unix infrastructure.
    • Capacity-planned and supervised the migration of Miniphones Unix infrastructure to Unifon.
    • Designed and supervised the implementation of the company’s new data center for the above migration.
    • Implemented several high availability solutions involving Sun Enterprise 10000 Servers and EMC Symmetrix disk arrays.
    Technologies: Solaris, Tru64, AIX, Oracle, Sun Microsystems, Digital, EMC, IBM RS600, Hitachi

Experience

  • Implementation of a Mission Critical High Availability Solution (Other amazing things)

    Implemented a multi-node Veritas cluster managing the billing system of a mobile phone carrier. Given that each hour of downtime represented over USD $1 million in lost revenue, the projects top priority was to minimize downtime to the bare minimum with a maximum tolerance of 3 hours for the whole implementation. The final tally of 42 minutes of downtime was well below even the most optimistic expectations.

Skills

  • Languages

    Bash, Python, Ruby, SQL
  • Tools

    Terraform, Ansible, Git, Ansible Tower, Vault, Jenkins, VMWare vSphere, Vagrant, Vim Text Editor, Apache, Nginx, Postfix, OpenVPN, Træfik, VirtualBox, Nagios, Grafana, RabbitMQ, Zabbix
  • Paradigms

    DevOps, Continuous Integration (CI), Continuous Deployment, Continuous Delivery (CD), Automation, Agile Software Development
  • Platforms

    Linux, Kubernetes, Amazon Web Services (AWS), Google Cloud Platform (GCP), Docker, Azure, Solaris, Percona
  • Other

    IBM Cloud, Unix Shell Scripting, Nomad, Consul, HAProxy, Unix/Linux Virtualization, NFS, Prometheus
  • Storage

    MySQL, MariaDB, PostgreSQL, Memcached, Redis, Cassandra, MongoDB, Elasticsearch, Datadog, AWS S3, Google Cloud Storage

Education

  • Progress towards a bachelor's degree in Systems Engineering
    1994 - 1996
    Instituto Tecnologico de Buenos Aires - Buenos Aires, Argentina
Certifications
  • Sun Certified Systems Adminstrator for Solaris 10
    APRIL 2008 - PRESENT
    Sun Microsystems
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