Summary
Overview
Work History
Education
Skills
Timeline
Generic
Jean Mersch

Jean Mersch

Fort Worth,Texas

Summary

Over 3+ years of IT experience in build and deployment automation through tools like Jenkins, Ansible, GitHub Actions and GIT. Worked on Software Configuration Management and DevOps. Extensive experience includes Build/Release support and Change/Incident Management support. Excellent communicative, interpersonal, intuitive, analysis and leadership skills with ability to work efficiently in both independent and team work environments. Experience on working with VMware Workstation and Virtual Box.Experience with Version Control Systems like GIT .Worked in implementing entire CI/CD using GitHub Actions
worked on Configuration management tools like Puppet and Ansible.
Worked in agile projects delivering end to end continuous integration/continuous delivery pipeline by integration of tools like Jenkins, AWS for VM provisioning.

Overview

3
3
years of professional experience

Work History

DevOps Engineer

Deepwatch
Miami, FL
03.2023 - Current
  • Actively involved in AGILE/SCRUM Methodologies while executing project.
  • Extensively worked on version controls like Git
  • Used GitHub Actions for CI/CD pipeline builds, and actively involved in Pipeline setups and Jenkins configurations.
  • On boarded and supported several mobile iOS and android applications onto Jenkins CI/CD pipeline.
  • Various Git Webhooks were configured for continuous integration operations.
  • Expertise in Atlassian Confluence created and developed multiple pages, captured various information in organized manner.
  • Hands on experience in installing and administrating tools like Jenkins, Puppet and Artifactory.
  • Supported Production and Pre-production environments in resolving issues on demand.
  • Worked and supported on several Java applications migrations to Jenkins Pipeline.
  • Supported monthly product feature releases and also involved in testing feature and reported bugs before delivering to costumers.
  • Managed AWS EC2 instances along with EBS and S3 services.
  • Maintain services hosted in AWS managing EC2 instances, Auto Scaling groups, EBS, ELB, S3, Route 53, IAM account management and AWS code deploy.
  • Developed and maintained Product release notes and feature enhancements on confluence.
  • Worked with Development, Quality Assurance and Management teams to ensure cross communication and confirmed approval of all production changes.
  • Wrote various shell scripts to automate Build and Release process.
  • Researched and identified new technologies and tools to improve agile development environment.
    Worked with software development and testing team members to design and develop robust solutions to meet client requirements for functionality, scalability, and performance.
    Automated build and deployment process with Jenkins for CI/CD.
    Developed Git hooks for local repository, code commit, and remote repository, code push functionality and worked on GitHub.
    Designed application layer of product with EC2, RDS, and elastic cache, and configured AWS Cloud
    Watch for application monitoring.
    Wrote and updated documentation to outline technical design of entire project.
    Actively managed and monitored cloud infrastructure on AWS, EC2, S3, and RDS.
    Deployed docker containers to break up monolithic app into microservices, improving developer workflow, increasing scalability, and optimizing speed.
    Developed code and supported architecture in high-throughput systems.
    Implemented CI/CD process using Jenkins for global development teams, allowing for dozens of code updates with zero downtime.

DevOps Engineer/Cloud Engineer

Friss
Mason, OH
03.2023 - Current
  • DevOps Engineer for team that involved different development teams and multiple simultaneous software releases.
  • Responsible for build, design and maintain platform automation infrastructure using Octopus.
  • Configure Octopus Deploy for our release tool to automate deployments
  • Launching Ansible configured and build management system to deploy servers with proper configuration on per role and per environment basis.
  • Installed Jenkins and slaves on AWS ec2.
  • Supported server/VM provisioning activities, middleware installation and deployment activities via Ansible.
  • Integration of Configuration Management Systems like ANSIBLE with AWS for code deployment.
  • Setup Sonatype Nexus on AWS for private repository management of in house developed libraries.
  • Worked on simple storage services, simple notification service and cloud watch.
  • Creating S3 buckets and restricting access to buckets and directories to specific IAM users.
  • Configured various Cron jobs and other scheduler jobs in servers.
  • Participated working with other teams to move clients from on-prem to cloud AWS using Terraform
  • Researched and identified new technologies and tools to improve agile development environment.
    Worked with software development and testing team members to design and develop robust solutions to
    meet client requirements for functionality, scalability, and performance.
    Automated build and deployment process with Jenkins for CI/CD.
    Developed Git hooks for local repository, code commit, and remote repository, code push functionality and worked on GitHub.
    Designed application layer of product with EC2, RDS, and elastic cache, and configured AWS Cloud
    Watch for application monitoring.
    Wrote and updated documentation to outline technical design of entire project.
    Actively managed and monitored cloud infrastructure on AWS, EC2, S3, and RDS.
    Deployed docker containers to break up monolithic app into microservices, improving developer
    workflow, increasing scalability, and optimizing speed.
    Implemented CI/CD process using Jenkins for global development teams, allowing for dozens of code updates with zero downtime.
  • Managed and automated infrastructure on AWS including EC2, ELB, ECS, CloudWatch, and CloudFront to support high-traffic applications
  • Implemented IAM policies and permissions to enhance security using least privilege access controls for all AWS resources
  • Built CI/CD pipelines to automate deployment of containerized applications to ECS clusters across multiple AWS accounts
  • Configured WAF rules to block malicious bots, rate limit requests, and prevent common web exploits protecting public facing CloudFront distributions
  • Setup load balancer auto scaling groups based on CloudWatch metrics to maintain maximum uptime during traffic spikes
  • Monitored logs and system events using CloudWatch Dashboards to identify and troubleshoot infrastructure issues proactively
  • Reduced infrastructure provisioning time by 50% using Terraform across development environments
  • Evangelized infrastructure-as-code and immutable infrastructure best practices across product teams
  • Worked closely with developers and systems administrators to optimize architecture and resolve production issues.

DevOps Engineer

Alten
Greensboro, NC
10.2021 - 03.2023
  • Orchestrated and maintained infrastructure using Terraform, ensuring scalability and reliability
  • Created and managed Docker containers for efficient application deployment
  • Utilized GitHub and Git for version control and code collaboration
  • Implemented CI/CD pipelines using GitHub Actions, automating software delivery process
  • Leveraged various AWS services to build and manage cloud-based solutions like ECS
  • Employed Bash scripting for automation and task optimization
  • Set up and configure Grafana and Prometheus for comprehensive monitoring and performance analysis
  • Integrated Snyk and StackHawk for code scanning, enhancing security and code quality
  • Collaborated closely with cross-functional teams to optimize development workflows
  • Documented deployment processes and best practices for knowledge sharing.
  • Managed and automated infrastructure on AWS including EC2, ELB, ECS, CloudWatch, and CloudFront to support high-traffic applications
  • Implemented IAM policies and permissions to enhance security using least privilege access controls for all AWS resources
  • Built CI/CD pipelines to automate deployment of containerized applications to ECS clusters across multiple AWS accounts
  • Configured WAF rules to block malicious bots, rate limit requests, and prevent common web exploits protecting public facing CloudFront distributions
  • Setup load balancer auto scaling groups based on CloudWatch metrics to maintain maximum uptime during traffic spikes
  • Reduced infrastructure provisioning time by 50% using CloudFormation templates across development environments
  • Evangelized infrastructure-as-code and immutable infrastructure best practices across product teams
  • Worked closely with developers and systems administrators to optimize architecture and resolve production issues

Linux System Administrator

DSG
Bear, DE
08.2020 - 10.2021
  • Updated and automated Release reports for Change Management.
  • Analyzing and Installing hardware and software needs.
  • Worked on redhat/centos 5.x and 6.x and automated daily tasks using Cron scheduler.
  • Wrote shell scripts for updating software regularly.
  • Worked in building project branches, merging them and releasing them using version control tools like Git and SVN.
  • Deployed jar files using Ant and Maven scripts to WebLogic servers.
  • Performed weekly and on-call deployments of application codes to production environments.
  • Worked on each phase of lifecycle of build system - from analysis, development, implementation and support of builds, unit testing and deployments.
  • Performed system administration tasks, including installation, configuration, and maintenance of servers
  • Collaborated with cross-functional teams to troubleshoot and resolve technical issues promptly
  • Implemented security measures, including regular updates and patch management, to safeguard systems
  • Conducted system monitoring, performance tuning, and capacity planning to optimize server infrastructure
  • Assisted in the automation of routine tasks, enhancing operational efficiency
  • Documented system configurations and procedures for future reference.
  • Installed system-wide hardware components, confirmed interoperation and compatibility with
  • Linux-based software distros.
  • Provided input on hardware and software purchasing, prioritizing return on investment to optimize IT spending.
  • Deploy latest patches for linux and application servers.
  • Monitor system performance of virtual usage,Disk utilization Cpu usage.
  • Manage system process and scheduled process with cron utility.
  • Perform tuning and preventive maintenance perform daily backup
  • Develop manage and update various script for servers start,stop,restart
  • Developed organization-wide administration policies to encourage continuity across multiple systems and facilities.
  • Resolved trouble tickets to reduce backlog .
  • Tuned system performance to optimize efficacy of new and existing hardware components.
  • Responsible for system admin tasks such as user/group management, assigning permissions, managing disk space usage, software and hardware upgrades,
  • Configured and maintained Load-Balancer and Firewall on servers across different platforms.
  • Streamlined troubleshooting processes to improve system support and enhance.
  • Performed building and maintaining of Linux servers, including installation and configuration of software, and monitoring system performance.
  • Managed cloud infrastructure on AWS, including EC2 instances, RDS, and S3 storage.
  • Implemented security measures and firewalls to protect sensitive data and prevent unauthorized access.
  • Developed and documented system administration procedures.
  • Administer linux servers for several functions including managing apache tomcat server.

Education

High School Diploma -

Satung High
Lusaka
12.2009

Skills

  • Scripting
  • Shell,
  • Operating System
  • Linux/Unix (Redhat (5,6,7), Ubuntu (14104), Centos (5,6,7), Windows
  • Build Tools
  • Maven,
  • CI Tools
  • Jenkins, GitHub Actions
  • Configuration Management
  • Ansible
  • Web Servers
  • Tomcat, Apache
  • SCM Tools
  • GIT
  • Repository Tools
  • Nexus, ECR
  • Atlassian tools
  • Jira, Confluence,
  • Others
  • Terraform , AWS , docker ,

Timeline

DevOps Engineer

Deepwatch
03.2023 - Current

DevOps Engineer/Cloud Engineer

Friss
03.2023 - Current

DevOps Engineer

Alten
10.2021 - 03.2023

Linux System Administrator

DSG
08.2020 - 10.2021

High School Diploma -

Satung High

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Jean Mersch