Devops Engineer System Administrator

NICOLAS MARTINEZ

Dallas - Texas

***********@*****.*** * 386-***-****

SKILLS & QUALIFICATIONS

AWS Certified SysOps Administrator – Associate

AWS Certified Security – Specialty

CI/CD: Jenkins, Terraform, Ansible

Databases: SQL, MariaDB

Monitoring: Nagios, Cloudwatch

Linux System Administrator

Bridging, Switching and LAN technologies

Kubernetes

Source Control Management Tools: Git, Bitbucket

Programming languages: PHP, jQuery, Bash, Python, HTML

Fluent in Spanish

EXPERIENCE

RingCentral, Remote, USA

DevOps Engineer, Sep 2022 - Present

Build and maintain the entire AWS infrastructure for the PSI team, which includes services like Elastic Kubernetes Service (EKS), RDS Postgres Database, EC2 instances, and API Gateways

Designed and implemented an AI-assisted observability solution leveraging MCP to stream logs, metrics, and infrastructure metadata to a Large Language Model (LLM), enabling developers to quickly understand and diagnose system issues in real-time.

Implement Continuous Integration and Continuous Deployment (CI/CD) pipelines with Jenkins, using features such as SonarQube for code quality analysis and Kaniko for building container images and Cypress for testing. This results in more reliable deployment processes and faster recovery from any potential issues

Use Helm charts for managing Kubernetes applications, providing an easy way to define, install, and upgrade the applications

Designed and deployed scalable Kubernetes clusters on AWS using Amazon EKS, managing workloads through Helm charts and GitOps practices.

Automated infrastructure provisioning using Terraform, ensuring consistent and version-controlled deployments through Infrastructure as Code (IaC).

Managed and optimized EC2 instances for high availability and performance, including AMI management, auto-scaling, and load balancing.

Developed and maintained Terraform modules for reusable infrastructure components, reducing duplication and increasing development speed.

Supported and maintained mission-critical production applications, performing root cause analysis and implementing proactive monitoring with CloudWatch and Prometheus.

Configure and manage the application monitoring and alerting with Grafana, Loki, and Prometheus. This helps the team proactively address the issues before they affect the users, improving overall system stability and performance

Utilize GitHub Actions for software workflow automation which improves the speed and efficiency of the development process

Work extensively with databases, particularly with Amazon RDS for PostgreSQL, optimizing database use and ensuring seamless data operations

Regularly interact with diverse teams to ensure smooth operations and devise ways to automate repeated tasks, thereby ensuring product quality and faster delivery times Sangoma, Remote, USA

DevOps Engineer, Sep 2020 - Sep 2022

Create and maintain fully automated CI/CD pipelines for code deployment using Jenkins and Terraform

Write and test Terraform modules to deploy infrastructure on AWS

Audit an active production AWS account, and implement IAM and other security measures according to best practices

Developed and maintained Terraform modules for reusable infrastructure components, reducing duplication and increasing development speed.

Automated patching and maintenance of EC2 instances and custom automation documents.

Developed pre- and post-deployment scripts in Bash and shell scripts to handle custom infrastructure workflows and automated rollback scenarios.

Participated in on-call rotations and incident response handling, improving system recovery time and reducing alert fatigue via alert tuning.

Leveraged CloudFormation alongside Terraform where needed for hybrid infrastructure environments and legacy compatibility.

Integrated secrets and configuration management using AWS Secrets Manager, Parameter Store, and environment-specific Helm values.

Automate the provisioning of new environments with Jenkins and Ansible and deploy environments using Kubernetes

Execute multiple deployments from various developmental groups each week. Depending on the deployments, these are done as rolling, canary, and/or blue/green deployments

SPECTRUM, Maitland, FL, USA

Technical Cloud support Engineer, Feb 2019 - Sep 2020

Transitioned from traditional network engineering to cloud DevOps, leveraging foundational networking expertise to design secure and scalable AWS architectures.

Provisioned and managed EC2 instances using Terraform, enabling repeatable, automated infrastructure deployments across multiple environments.

Implemented VPCs, subnets, route tables, NAT gateways, and security groups to mirror on-premises network topologies in AWS.

Deployed containerized and non-containerized applications on EC2, automating environment setup and deployment workflows using Bash and Terraform.

Collaborated with application teams to migrate legacy apps to AWS, optimizing performance and improving deployment speed.

Set up monitoring and logging for EC2-based applications using AWS CloudWatch, helping reduce response times to incidents.

Used Terraform modules to manage infrastructure as code (IaC), ensuring consistent and auditable resource provisioning.

Initially provided inbound and outbound technical support to Enterprise clients on supported network technologies including Fiber Internet Access, Ethernet, Hosted Voice.

Fibras Opticas del Oeste, Mendoza, Argentina

Network Operations Center Engineer, 2016-2018

Setup server required for the operations including Email, PBX, CMR, Web, Help Desk Ticket, and Monitoring in a virtual machine environment utilizing Vmware

Setup networking environment utilizing Quagga and Pfsense for routing and Cisco equipment for the rest of the network.

Trained and managed tech support agents

The Vines of Mendoza, Mendoza, Argentina

IT Systems Administrator, 2013-2016

Designed and built the network infrastructure for office locations, hotel and winery

Setup networking environment utilizing Quagga and Pfsense for routing and Cisco equipment

Built and configured phone system with open source software

Setup PBX integration with Opera and MICROS-Fidelio Avaya, Buenos Aires, Argentina

Backbone Engineer on Unified Communications, 2011-2013

Provided IP network support for new and existing services and features

Supported second and third tier escalations for all VOIP operational outages

Troubleshot voice services for all LAN and WAN hardware components

Configured communication media segments

Performed lab testing, design, and architecture work IBM, Buenos Aires, Argentina

TSM- Tivoli Storage Manager Administrator, 2010-2012

Responsible for day to day operations of enterprise data protection, disaster recovery, archive and backup storage environments for Managed Services clients

Provided “on call” support as needed for customers

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