| About |
DevOps | AWS Cloud Developer | Solutions Architect | Technical Leader
Jeffrey James is a seasoned DevOps engineer, AWS cloud developer, and solutions architect with over 15 years of hands-on experience designing, automating, and optimizing mission-critical deployments in AWS and hybrid cloud environments. As the founder and technical lead at COSProfessionals, LLC, Jeffrey has driven digital transformation initiatives for enterprise clients by architecting robust infrastructure solutions, refining automation strategies, and mentoring cross-functional DevOps teams.
With deep expertise across AWS services—including EC2, ECS, Lambda, RDS, CloudFront, and VPC—as well as DevSecOps methodologies, Jeffrey specializes in secure, scalable, and resilient cloud infrastructure design. He’s also proficient in Azure technologies, Kubernetes, container orchestration, and configuration management with tools such as Chef, Ansible, and Terraform.
A certified AWS Developer Associate, Certified Scrum Master (CSM), RHCSA, and RHCE, Jeffrey has led diverse cloud projects, from migrating legacy systems to Kubernetes and EKS, to implementing CI/CD pipelines and cloud-native monitoring solutions using CloudWatch and Prometheus.
Jeffrey’s projects demonstrate a mastery of integrating security (DevSecOps), automation, and infrastructure as code. He has successfully:
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Migrated complex applications from Azure and on-premises infrastructure to AWS.
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Designed and deployed highly available environments using EKS, ECS, and Docker Swarm.
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Built and refactored Terraform templates and Chef cookbooks to align with enterprise compliance standards.
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Developed robust internal CLI and API tools to streamline support operations and cloud provisioning.
He is equally skilled at bridging the gap between technical complexity and organizational goals—leading teams, creating technical documentation, and mentoring engineers while ensuring alignment with business strategy and agile project delivery.
Jeffrey’s leadership and technical expertise are trusted by clients across sectors where reliability, security, and innovation are paramount.
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| Skills |
Category
Skills / Tools / Technologies
Proficiency
Years of Experience
Cloud Platforms & Services
AWS (EC2, ECS, Lambda, RDS, S3, EBS, EFS, Route 53, CloudFront, CloudWatch, CloudTrail, RedShift, API Gateway, Auto Scaling, Elastic Beanstalk, Elasticache)
Expert
10+ years
Azure (AKS, ACR, Active Directory)
Intermediate–Advanced
5+ years
VPC Design, Migration, Cloud Security, Cloud Auditing
Expert
10+ years
Infrastructure as Code (IaC)
Terraform, CloudFormation, AWS CLI
Expert
8+ years
OpsWorks
Advanced
6+ years
Configuration Management
Chef, Ansible, Puppet
Expert
10+ years
Cookbooks, Recipes, Roles, Playbooks
Expert
10+ years
DevOps & Automation
CI/CD (CodeCommit, CodeBuild, CodeDeploy, CodePipeline, Jenkins, CodeStar)
Expert
8+ years
Automation Tools: Vagrant, Docker, Serverspec, Test-Kitchen, Inspec
Expert
10+ years
Container Security & Vulnerability Management (Wiz, custom RBAC for AKS/EKS)
Advanced
5+ years
Containers & Orchestration
Docker, Docker Swarm, Kubernetes, EKS, AKS, ECS
Expert
8+ years
Scripting & Programming
Python, Ruby, Bash, PHP, Dart
Advanced
10+ years
Front-End Development
Angular, React
Intermediate
3–5 years
Operating Systems
RHEL, Ubuntu, OEL, SUSE, Windows Server (2008/2012)
Expert
15+ years
Monitoring & Logging
CloudWatch, Prometheus, Grafana, VPC Flow Logs
Advanced
7+ years
Security & DevSecOps
Security Exploit Remediation, AWS Inspector, Secure CI/CD pipelines, Chef Compliance
Advanced
6+ years
OpenID Connect Provisioning, Certificate Management
Intermediate–Advanced
5+ years
Application Development & Tools
REST/SOAP Client Development, Lambda-triggered API workflows, CLI tools for BladeLogic & ServiceNow
Advanced
7+ years
ServiceNow, Bladelogic, Centro REST API
Intermediate–Advanced
5+ years
Databases
MySQL, RDS
Intermediate
6+ years
Project & Leadership
Team Leadership, Mentoring, Project Scoping, Proposal Writing, SOWs, Technical Documentation
Expert
10+ years
Agile/Scrum Practices
Certified Scrum Master
8+ years
Certifications
AWS Certified Developer – Associate
Certified Scrum Master (CSM)
RHCSA
RHCE
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| Experience |
Project / Role
Responsibilities
Technologies & Tools Used
Duration
Founder & Lead Cloud Engineer – COSProfessionals, LLC
Led design, implementation, and migration of cloud infrastructure (AWS & Azure); built and maintained CI/CD pipelines; mentored DevOps engineers.
AWS, Azure, Jenkins, Git, Terraform, Chef, Ansible, CloudFormation
2008 – Present
Lambda & API Automation
Created Lambda functions triggered by CloudWatch for automation and alerting. Built internal API/CLI tools to interface with ServiceNow and BladeLogic.
AWS Lambda, CloudWatch, Python, Bash, REST, ServiceNow API, BladeLogic
Ongoing
On-Prem to VPC Migration
Migrated legacy environments to AWS VPC; refactored infrastructure with Terraform; implemented OpsWorks deployments.
Terraform, AWS VPC, OpsWorks, EC2, S3
Multi-phase (5+ years)
Chef & Kubernetes Integration
Developed Chef Cookbooks to configure and automate Kubernetes cluster deployments and container orchestration environments.
Chef, Kubernetes, Docker, Terraform
Ongoing
DevSecOps Exploit Remediation
Identified and resolved security exploits using AWS Inspector; refactored existing cookbooks; created unit testing for validation.
AWS Inspector, Chef, InSpec, Test-Kitchen, Bash
2 years
CI/CD Pipeline Development
Designed and deployed CI/CD pipelines for application builds and deployments across Dev, Staging, and Production.
CodePipeline, Jenkins, GitHub, Chef, CodeBuild, CodeDeploy
6+ years
NCR POS Application Automation
Automated the installation and update process for NCR’s POS system; built a TDD environment; utilized Chocolatey and Chef for packaging.
Chef, Chocolatey, Jenkins, C#, TDD, PowerShell
1.5 years
Kubernetes Migration & High Availability Setup
Migrated Music & TV Catalog apps to Kubernetes; developed technical migration strategies and infrastructure documentation.
Kubernetes, Docker, Chef, AWS EKS
1 year
Azure to AWS Migration
Resolved Azure AD issues, migrated apps to AWS, configured auditing and alerting infrastructure.
Azure AKS, ACR, AWS CloudTrail, VPC Flow Logs, EC2, IAM
1.5 years
Security Role Definition for Wiz CSPM
Defined IAM and RBAC roles for Wiz to perform container vulnerability analysis in AWS EKS and Azure AKS; integrated with DevSecOps.
AWS IAM, Azure AD, EKS, AKS, Wiz, Kubernetes RBAC
1 year
Build Automation & Monitoring Stack
Built pipelines for image deployment; customized Prometheus/Grafana stacks for monitoring Docker Swarm; automated artifact management.
Prometheus, Grafana, Jenkins, Puppet, Docker Swarm, Bash
2 years
PrivateLink VPN & REST API Infrastructure
Built Docker-based deployment for Centro J2EE app and MySQL; ensured persistence and replication; created Angular frontend for user portal.
Docker, MySQL, Ansible, Angular, Centro API, REST, VPN
1.5 years
Support Automation & CLI Tools
Created REST/SOAP clients for Linux support and change management teams; automated system remediations and provisioning across multiple platforms.
Python, Bash, REST, SOAP, BladeLogic, Jenkins, Linux (RHEL/OEL/Ubuntu/Windows)
3+ years
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