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AVAILABLE FOR HIRE!

My DevOps Experience

I have a diverse range of expertise in coding and DevSecOps toolsmithing, with a strong focus on implementing efficient and secure software solutions. Throughout my career, I have gained extensive experience in various technologies and frameworks utilizing the industry standard cloud environments in AWS, Azure and all the various Linux VM flavors.

My DevOps Skillset

  • Configuration management tools: Chef, Ansible, and CloudFormation.
  • Containerization technologies: ECS/EKS/Docker.
  • Python scripting with the boto3 framework.
  • Implementing GDPR, SOC 1, and SOC 2 compliance frameworks.
  • Implementing PCI/PHI compliance best practices.
  • Ruby Capistrano CI/CD for streamlined deployment processes.
  • Infrastructure provisioning using Kubernetes, Vagrant, Packer, Vault, and Terraform (Hashistack).
  • Continuous integration and delivery using Jenkins and Jenkinsfile Pipeline (Groovy DSL).
  • Full stack SaaS/PaaS engineering, encompassing front-end and back-end development.
  • Management of Amazon Web Services (AWS) and Microsoft Azure (E5/O365 Enterprise Plan).
  • Exchange 365 mailbox migrations and administration.
  • Virtualization technologies: VMWare, VirtualBox, XenServer, and Proxmox.
  • Experience with Palo Alto products, including GP-GlobalProtect firewall and VPN.
  • Custom builds and toolsmithing for Citrix Virtual App and XenServer.
  • Citrix vmdk/ova/vbox image builds and Citrix Virtual Desktop (XenApp) deployments.
  • Proficiency in version control systems: Git, Subversion, and CVS.
  • Front-end development using jQuery-UI and jQuery Mobile.
  • Handling various data formats: JSON, YAML, and XML.
  • Proficiency in MVC frameworks: Java, PHP, Ruby.
  • Strong grasp of object-oriented programming languages: PHP, Java, Perl, Ruby, Python, C, C++.
  • Familiarity with IDEs: Jetbrains, Eclipse, Komodo, Visual Studio.
  • Experience with XenServer, VMWare, VirtualBox, AWS, and Azure platforms.
  • Competence in working with various operating systems, including Linux distributions (CentOS, Fedora, Ubuntu, Debian, Redhat, Alpine), Solaris, FreeBSD, and Windows Server family.
  • Web server administration: Nginx, Apache, Varnish, HaProxy.
  • Proficiency in using GitHub and Bitbucket for version control and collaboration.
  • Working with REST APIs for seamless integration.
  • Database management: MySQL, PostgreSQL, Aurora.
  • Monitoring tools: Nagios, MRTG, SNMP.
  • Log management using Graylog2, Rsyslog, Logstash, and ELK (Elasticsearch/Kibana).
  • Security protocols and tools: OpenSSH, OpenSSL.
  • Experience with MobileIron Cloud MDM, Duo 2FA integrations, Yubikey management.
  • Management of MS Itune MDM and ADM.
  • Proficient in Visual Studio IDE.
  • MS Team deployments and administration.
  • MS DevOps deployment and management.

My Career Highlights

MTI Mobile Technologies.

  

  • Led the implementation of Infrastructure as Code (IaC) using Terraform and Terragrunt, ensuring efficient and scalable deployments.
  • Created Kubernetes to Graylog GELF logging for developer visibility and monitoring.
  • Orchestrated containerized applications on various platforms, including Amazon EKS, kops, and EKS Anywhere, enhancing scalability and reliability.
  • Established and maintained CI/CD pipelines using Jenkins, optimizing software delivery processes.
  •  Implemented configuration management solutions with ArgoCD and Helm, improving deployment consistency. 
  •  Developed and maintained automation scripts in Python and Groovy to streamline operational tasks.
  •  Integrated security measures into the development lifecycle, conducting regular vulnerability assessments and audits for ISO27001
  • Created AWS Compliance Library in Python 3, using boto 3 framework for automated compliance excel reports.
  • Forked Helmsman for customized helm chart deployments suitable for org specific needs in reporting requirements.
  •  Wrote custom Snyk Github repo sync for static code analysis in Jenkins, using groovy to automate repo and branch selection for scanning and automated ISO27001 Compliance reporting 


Intuitive.Cloud (Principle DevSecOps Engineer):

  • Duration: Jan 2023 - May 2023 (5 months)
  • Assisted with Azure to AWS Migration Planning.
  • Multi Project Tennant and Team Planning.
  • Team Building Initiatives.
  • Conducted AWS IAM Pentesting.
  • Managed AWS Multi Account and Compliance Management.
  • Created Infrastructure diagrams for deploying new IoT technologies in AWS.
  • Provided SecOps Compliance Training.
  • Assisted with AWS CDK Planning and Development.


Sr. Dev/SecOps Engineer / Team Lead at Verizon (Jan 2017 - Dec 2020):

  • Led a team as a Sr. Dev/SecOps Engineer, focusing on general DevOps security and compliance.
  • Managed the relationship with the Paranoid security team at Verizon Media.
  • Actively participated in the incident response team for security and compliance violations.
  • Implemented continuous security integration and conducted performance training.
  • Contributed to the growth of the DevOps culture within the business unit through weekly conversations and side projects.
  • Received quarterly leadership management training.
  • Served as the co-chair for Culture Hack Day to foster a positive and enjoyable work environment.


Sr. DevOps and Platform Engineering at MapQuest (Sep 2016 - Sep 2019):

  • Worked as a Sr. DevOps and Platform Engineer, responsible for security and compliance management.
  • Developed and managed Chef cookbooks for configuration management.
  • Oversaw Jenkins CI development and management.
  • Built and released frequent updates for MapQuest.
  • Operated in an Agile/Scrum environment, participating in standups, backlog grooming, sprint planning, retrospectives, and demos.
  • Rebuilt and migrated XenServer to AWS EC2 servers.
  • Utilized various AWS services including CloudFormation, Route53, ECS, SES, ES, EFS, EBS, RDS, ELB, ALB, ASG, S3, IAM, Glacier, Elasticache, EC2, and Lambda.
  • Developed Packer/Vagrant CI AMI (Amazon Machine Image).
  • Implemented centralized log management using Graylog/ELK stack.
  • Deployed and maintained Apache/Varnish and Nginx/NodeJS using CloudFormation.
  • Maintained Bash/Ruby/Perl/Python scripts and integrated with monitoring platforms like New Relic and Datadog.
  • Handled PostgreSQL, MySQL, and MSSQL development, disaster recovery, migrations, and administration.
  • Provided on-call support and participated in after-hours development.


Sr. AWS Solutions Architect at AOL (Sep 2016 - Sep 2019):

  • Held the role of Sr. AWS Solutions Architect at AOL.
  • Led security and compliance management efforts.
  • Developed and managed Chef cookbooks for configuration management.
  • Oversaw Jenkins CI development and management.
  • Contributed to frequent build and release cycles for MapQuest.
  • Worked in an Agile/Scrum environment, participating in standups, backlog grooming, sprint planning, retrospectives, and demos.
  • Managed XenServer to AWS EC2 server rebuilds and migrations.
  • Utilized various AWS services such as CloudFormation, Route53, ECS, SES, ES, EFS, EBS, RDS, ELB, ALB, ASG, S3, IAM, Glacier, Elasticache, EC2, and Lambda.
  • Developed CI stack deployments using Ruby CloudFormation.
  • Built and deployed CloudFormation stacks for Apache/Varnish, Nginx/NodeJS, and Apache/Tomcat.
  • Maintained Bash/Ruby/Perl/Python scripts.
  • Integrated with monitoring platforms like New Relic and Datadog.
  • Developed repeatable build processes for Tomcat, Ruby on Rails, NodeJS, and AWS AMIs using Packer and Jenkins CI.
  • Managed PostgreSQL, MySQL, and MSSQL development, disaster recovery, migrations, and administration.
  • Participated in on-call rotations and provided after-hours support and development.

Resume

Files coming soon.

Copyright © 2024 David St John - All Rights Reserved.

https://www.linkedin.com/in/davestj

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