DevOps
2017 - PRESENTSpinemedia, LLC- Maintained AWS infrastructure (EC2. Aurora, ELB, OpsWorks, IAM, ElastiCache).
- Implemented WordPress provisioning, deployment, and scaling on AWS OpsWorks/Chef.
- Implemented a Kubernetes environment based on AWS EKS, including CI/CD pipelines using Jenkins.
Technologies: Amazon EKS, Kubernetes, Chef, AWS OpsWorks, WordPressDevOps
2015 - PRESENTRabbittApp, LLC- Designed, implemented, and administrated high-availability, auto-scalable, and secure AWS infrastructure.
- Implemented secured VPC with VPN access.
- Implemented load-balanced public (web) and private (app) layers.
- Implemented auto-scaling groups to support demand variation.
- Implemented multi-availability zone master/slave MySQL RDS.
- Improved performance on SQL queries.
Technologies: Amazon Web Services (AWS), Bash, Ubuntu, Linux, Apache, MySQL, PHP, AWSDevOps
2018 - 2018MATI, LLC- Implemented Node.js REST API provisioning, deployment, and scaling using AWS OpsWorks Chef.
Technologies: Node.js, Chef, AWS OpsWorksDevOps
2014 - 2017PriceBlink- Handled daily Rackspace cloud sysadmin issues (e.g., web server and database migration and replication).
- Supported to improve application efficiency and response time.
- Handled MySQL DBA operations.
Technologies: New Relic, Apache, MySQL, Rackspace, CentOS, Ubuntu, Bash, PHPAdvanced Operating Systems Professor
2009 - 2017Universidad Tecnológica Nacional- Performed real-time and kernel-level Linux programming.
- Developed client-server applications based on sockets and RPC technologies.
- Taught and programmed device drivers.
Technologies: Bash, Java, CDevOps
2016 - 2016Arduino, LLC- Created an integrated interaction among DataDog (monitoring, visualization), AWS Autoscaling, SaltCloud (orchestration), and Drone (continuous delivery).
Technologies: Amazon Web Services (AWS), Drones, SaltStack, Datadog, Autoscaling, AWSFull-stack Developer
2015 - 2015Evobits IT- Created a template system.
- Made a security audit on a Bitcoin-related site.
- Implemented an administrators' internal messaging subsystem.
- Implemented several security measures in a Bitcoin related site (CSRF, XSS, SQL injection, etc).
- Developed a DDoS prevention subsystem based on Redis.
Technologies: jQuery, JavaScript, CSS, HTML, MySQL, PHPDeveloper, System Administrator
2010 - 2014Universidad Tecnológica Nacional- Supported an email management system using PHP and Perl with a MySQL back end.
- Created a distributed, multi-daemon watchdog system with Python and MySQL, which monitored resource availability and behavior (internet links and internet services) and automatically handled the routing of data and services.
- Led migration to a fault tolerant LDAP-based architecture to support all university applications.
- Provided security consultations for new web PHP, HTML, and JavaScript web applications.
- Developed several system administration scripting applications in Bash, PHP, Perl, and Python.
Technologies: JavaScript, Perl, Bash, C, Python, PHPSoftware Architect, Developer
2011 - 2012DINT S.A.- Designed and developed an application for a Linux-based device which was controlled via Bluetooth from an Android device (tablet or smartphone) and controlled two video outputs (LED TV and a projector), one audio output, and a lightboard controlled from the device serial port or a different Bluetooth port.
Technologies: CSystem Administrator, Developer
2006 - 2010CONICET - Centro Científico/Tecnológico Litoral Centro- Wrote many PHP and Bash scripts for custom system administration.
- Developed an application to control a mass spectrometer and generate graphic representations of the results.
- Designed and developed an inventory system for the organization of assets.
Technologies: Visual Basic, Bash, PHPSoftware Architect, Developer
2004 - 2005Omega S.A.- Designed and developed a web-based system to assist with the running of a betting game in a Venezuelan casino in Venezuela, which generated the necessary random entities, calculated the bet awards, and graphed the results of the game.
- Designed an application protocol for electronic money transfer and accounting.
- Designed and implemented the server architecture to support several application deployments.
Technologies: JavaScript, HTML, PHP, Java
Oscar A. Jara
System Administration Developer in Santa Fe, Santa Fe Province, Argentina
Member since April 1, 2013
Oscar is a top information systems engineer who has worked as a developer, system administrator, DevOps engineer, and university professor. He has extensive experience with low-level software development and has worked with client-server, distributed, and fault-tolerant web architectures. He has been working as a DevOps engineer in recent years.
Oscar is now available for hire
Portfolio
- Spinemedia, LLCAmazon EKS, Kubernetes, Chef, AWS OpsWorks, WordPress
- RabbittApp, LLCAmazon Web Services (AWS), Bash, Ubuntu, Linux, Apache, MySQL, PHP, AWS
- MATI, LLCNode.js, Chef, AWS OpsWorks
Experience
- Linux 12 years
- System Administration 12 years
- DevOps 7 years
- Amazon Web Services (AWS) 5 years
- New Relic 5 years
- Ansible 4 years
- Jenkins 4 years
- Chef 2 years
Availability
Part-time
Preferred Environment
Amazon Web Services (AWS), AWS, Linux
The most amazing...
...thing I've coded is a libVLC-based app to control via Bluetooth two video outputs: one audio output and a lightboard, concurrently.
Employment
Experience
- DevOps @ Priceblink.comhttp://www.priceblink.com
Cloud infrastructure management based on Rackspace services (Provisioning, Load Balancing, Database replication). Application monitoring and deployment (Ruby, PHP, Git, Capistrano, New Relic).
- Developer @ EvoBits Information Technology SRL
Developed across the full stack:
* run security audit.
* implemented security measures.
* developed template subsystem.
* developed internal messaging subsystem.
* developed DDoS mitigation system based on Redis. - DevOps @ RabbittApp.com
Designed, implemented, and administrated a high-availability AWS infrastructure.
Includes:
* VPC with VPN access.
* Load Balanced Public Web Layer.
* Load Balanced Private App Layer.
* Autoscaling Layers.
* Multi Availability Zones all Layers.
* Master Slave Multi AZ RDS.
* SES service for mail sending. - Multi-daemon Watchdog System
Designed and developed a multi-daemon based system that monitors resource availability and behavior (internet links and internet services) and automatically make decisions about the routing of data and services. There are multiple instances of an agent daemon and one central daemon which performs decision-making.
- Multimedia Controller
Designed and developed an application to run on a GNU Linux-based device, controlled via Bluetooth protocol with an Android tablet or smartphone. The app controls two video outputs, one audio output and a serial connected lightboard, all concurrently and independently. The app is coded in C and heavily built on top of libVLC library.
Skills
Languages
Bash, Python, C, PHP, JavaScript, SQL, XML, Perl, Visual Basic, CSS, Java, C++, HTMLTools
Ansible, Amazon ECS (Amazon Elastic Container Service), Amazon EKS, Chef, Jenkins, AWS OpsWorks, Vagrant, Capistrano, Terraform, Boto 3, Apache, Xdebug, SaltStackParadigms
DevOps, Object-oriented Programming (OOP), Procedural ProgrammingPlatforms
Linux, New Relic, Amazon Web Services (AWS), Rackspace Cloud, Windows, Kubernetes, Docker, Arch Linux, WordPress, Ubuntu, CentOS, RackspaceStorage
MySQL, MongoDB, Datadog, PostgreSQL, VerticaOther
GitFlow, System Administration, Bluetooth, Ajax, AWS, Autoscaling, DronesFrameworks
Django, Bootstrap, Symfony 2, CodeIgniterLibraries/APIs
jQuery, Node.js, Puppet.js
Education
- Engineering Degree in Computer/Information Systems Engineering2000 - 2006Universidad Tecnológica Nacional - Santa Fe, Argentina
Certifications
- AWS Certified Solutions Architect - AssociateAUGUST 2018 - AUGUST 2020Amazon
