sema.cloud
Resume

Enterprise Architect · Cross-Cloud Solutions · Software & Platform Engineering

I am a practitioner Enterprise Architect and hands-on technology leader with 25+ years delivering enterprise systems across healthcare, finance, logistics, retail, manufacturing, and aerospace. I turn business strategy and ambiguous transformation goals into coherent architectures, executable transitions, and systems teams can operate.

My work spans AWS and Azure modernization, hybrid platforms, application and database migration, Kubernetes/OpenShift, GitOps, distributed software, data architecture, security boundaries, observability, and Infrastructure as Code. I bring both architecture leadership and the engineering depth to test assumptions in implementation.

Applied AI is the newest expression of that career — not a departure from it. I build and evaluate RAG, document-processing, and AI-governance patterns with the same focus on evidence, cost, security, operability, and business value.

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Leadership

Technical Leadership

  • Led architecture and modernization initiatives across Fortune 500 healthcare, aerospace, banking, logistics, and retail organizations.
  • Mentored senior engineers and technical leads, supporting career progression into principal engineering roles.
  • Defined enterprise architecture patterns for cloud foundations, transition states, microservices, event-driven platforms, governance, and operating models.
  • Guided adoption of GitOps, Infrastructure as Code, and Kubernetes-based delivery platforms across engineering teams.
  • Served as the technical bridge between engineering leadership, product stakeholders, and enterprise architecture organizations.
  • Built reference implementations that make solution strategy concrete, testable, measurable, and production-shaped.
Platform Depth

Core Technical Expertise

Enterprise Architecture

Business alignment, baseline and target states, transition architectures, governance, roadmaps, standards, and operating models

Cross-Cloud Modernization

AWS and Azure strategy, hybrid estates, application and database migration, landing zones, identity, networking, security, and cost

AWS Security

CloudTrail, GuardDuty, Security Hub, Config, KMS, least-privilege IAM, WAF, identity boundaries, and production support patterns

Serverless Platforms

Lambda, Step Functions, SQS, SNS, API Gateway, Cognito, CloudFront, DynamoDB, S3, Glue, Athena, and event-driven architecture

AI / GenAI Platforms

Amazon Bedrock, Claude, retrieval-augmented generation, OpenSearch, tenant-isolated retrieval, citations, and evaluation workflows

Platform Engineering

EKS, Kubernetes, OpenShift, Docker, GitOps, Argo CD, CI/CD modernization, infrastructure automation, and production operations

Languages

Java, Python, TypeScript, React, SQL

Cloud

AWS, Azure, and hybrid platforms

IaC & CI/CD

Terraform, CloudFormation, Azure DevOps, Jenkins, Argo CD

Data & Messaging

Kafka, SQL and NoSQL databases, DynamoDB, OpenSearch, Elasticsearch, Glue, Athena

Additional depth: Route 53, CloudWatch, RDS, Aurora, Azure SQL, SQL Server, PostgreSQL, Oracle, MySQL, MongoDB, RabbitMQ, ActiveMQ, IBM MQ, Pub/Sub, Linux, Unix, Windows. Certification: HashiCorp Terraform Associate.
Career

Professional Experience

CDW / IGNW

Senior Solutions Architect & Cloud Engineer

Delivered architecture and engineering for Fortune 500 banking, healthcare, and logistics clients, with a parallel independent portfolio focused on AWS cloud foundations, GenAI/RAG, serverless document processing, security governance, and Terraform module composition.

AWS Solutioning & Reference Architecture
  • Developed an independent repeatable AWS landing zone process with requirements gathering, implementation checklists, runbooks, and a working reference architecture.
  • Implemented governed OUs, centralized audit logging, delegated security aggregation, DNS, cost controls, cross-region Terraform state, and SCP guardrails in a portfolio reference environment.
  • Built a tenant-isolated RAG reference implementation using Cognito, tenant-scoped OpenSearch indexes, hybrid retrieval, Bedrock/Claude answer generation, and citations.
  • Built an event-driven document extraction reference platform with S3, SQS, Step Functions, Lambda, Textract, Bedrock, DynamoDB, Glue, Athena, and Terraform.
Application Modernization & Platform Engineering
  • Built Spring Boot microservices on OpenShift and AWS EKS for enterprise banking workloads with production reliability requirements.
  • Led migration of 100+ microservice deployments from Octopus Deploy to GitOps-based delivery with Argo CD.
  • Supported migration of 50+ enterprise applications from Pivotal Tanzu to Red Hat OpenShift.
Enterprise Cloud Migration
  • Architected migration of 64 enterprise applications from on-premises infrastructure to Microsoft Azure.
  • Designed the migration strategy for 1,200+ SQL Server databases to Azure SQL Managed Instance.
  • Supported 150+ CI/CD pipeline migrations to Azure DevOps.

Collinear Group / Boeing

Principal Java Engineer
  • Led backend architecture for Boeing manufacturing planning systems.
  • Designed microservices for SQL Server change capture and Elasticsearch synchronization.
  • Implemented distributed services executing proprietary manufacturing planning algorithms.
  • Designed Camunda BPMN workflow orchestration across coordinated manufacturing-planning services.

Nike

Principal Engineer / Technical Architect
  • Led Java and Python/AWS teams supporting Nike global trade compliance.
  • Drove architecture reviews, engineering standards, feature launches, and stakeholder planning.
  • Designed enterprise integrations with SAP, Kafka, and Splunk.

Cambia Health Systems

Cloud Engineer
  • Built Java and TypeScript components for a healthcare attribution platform.
  • Deployed AWS Batch workloads and managed controlled database migrations with Flyway.
  • Maintained AWS Database Migration Service data-transfer processes in a regulated environment.

Nike / Ancestry / CSAA

Architecture, Cloud, DevOps
  • Authored enterprise reference architectures and implementation guidance for cloud-based services.
  • Contributed to enterprise Kafka and AWS disaster recovery patterns.
  • Built cloud-native services using Java, Spring, ReactiveX, and Netflix OSS.
  • Automated AWS infrastructure with Terraform, CloudFormation, Ansible, and Python.
  • Guided Tanzu/PCF adoption and cloud operating practices across engineering teams.