2022 Update: I have limited availability for new engagements. Please email me if you have specific questions.Projects that allow me to operate in a range from 10-30 hours per week for 1-6 months are preferred. I am capable of contributing to high-level architecture and design, tool selection, and implementation. Example work done for clients recently:* An Ad-Tech client:** Evaluate the current CI and deployment solutions. Build a new CI/CD plan for the client utilizing current Kubernetes-based solutions.* An Advertising client** Implemented a system to manage the client's Google Ads Data Hub infrastructure on GCP across regions and agencies.** The work was linked to the client's global AD system for SSO purposes and auditability.** Initial work done in Python with later migration to Terraform.* A FinTech client** Provide review and discovery on legacy Puppet codebase.** Remediation for issues in the codebase.* An AdTech client** External audit support.*** Provide interpretation and guidance on requirements.*** Ensure compliance of Hadoop/Spark solutions.*** Write ad-hoc tooling as necessary** The client passed the audit.* An AdTech client** Analyze spend across multiple AWS consolidated billing accounts.** Provide tools and documents to breakdown product spend on Glue & Athena with a goal of allowing teams to track development and production costs more clearly.** Develop and present information for senior executives to help them understand strategic and tactical AWS spend.** Extensive security review of AWS security groups, NACLs, and IAM policies.* A Mobile client** Review of infrastructure and application setup on a GCP Kubernetes based system prior to client launch.** Develop stress testing methods for GRPC apps to give the team the ability to prove the load capabilities of their system.

* Achieved PCI DSS Level 1 compliance as tech lead. ** Worked through the audit process and determined/managed work necessary to achieve compliance from a technical POV. ** Worked with our QSA through all stages of the process.* Oversaw the development and deployment of a infrastructure platform (PaaS)based on Puppet & AWS. ** The platform allowed developers the ability to initiate and deploy new serviceswith requisite component infrastructure directly to test & production environments in timeframes ranging from minutes to less than an hour.* Managed a series of Cassandra clusters. ** Dealt with data integrity, compaction-related issues, and general support in the 2.1 and 2.2 trains.

VideoAmp* Helping with scaling issues on a series of Spark jobs implementing analytics for RTB events.* Apache Kafka cluster debugging, maintenance, migration.Womply* Coordinating and implementing version upgrades for Spark and Cassandra on an existing processing pipeline.

* Developed tools to automatically spin up Hadoop clusters on AWS.* Support for conversion tracking product (Marin Tracker).* Mentoring and training of personnel on Hadoop and Hadoop-related products.* Migration of our Marin Tracker product from CDH3 to CDH4.* Support for Apache Spark.* Hive data warehouse deployment.