Work

6 years of quality solutions delivery for US energy operators and technology clients — architecture, team leadership, and client communication from requirements through production. 29 projects, each with a dedicated case study.

AI journal entry automation thumbnail

AI journal entry automation

Manual, audit-heavy accounting built on incoming bank statements.

A US oil and gas operator needed derivative journal entries produced from incoming bank statements - a manual, error-prone, audit-sensitive close process.

  • US Oil and Gas Operator
  • Microsoft Azure
  • Artificial Intelligence
  • Data Engineering
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Master data & Xref architecture thumbnail

Master data & Xref architecture

Well and property records that didn't agree across five source systems.

Built the master-data backbone for a US upstream operator's Snowflake estate: an end-to-end cross-reference (Xref) system unifying identifiers across five source systems (ERP, production, land, drilling), plus Well Master and Property Master reporting found…

  • US Oil and Gas Operator
  • Snowflake
  • Master Data Management
  • Data Modeling
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AI knowledge platform (MCP) thumbnail

AI knowledge platform (MCP)

Company knowledge scattered across hundreds of tools and databases.

Designed, developed, and deployed an MCP-native AI knowledge platform that gives AI assistants governed, consolidated access to a company's internal systems and databases.

  • US Energy Data Consultancy
  • Artificial Intelligence
  • AI Chatbot
  • Python
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Operator-to-operator warehouse migration thumbnail

Operator-to-operator warehouse migration

A full Snowflake estate that had to move during a corporate transition.

When one US energy operator's assets transitioned to another, the entire Snowflake analytics estate had to move with them - data layers, object layers, security, and downstream reporting.

  • US Energy Operators (Transition)
  • Snowflake
  • Data Migration
  • SQL
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Land data stack thumbnail

Land data stack

A land system with sparse documentation and opaque relationships.

Built a complete land-entity data stack for an energy data platform where the source system had minimal documentation and limited insight into its internal relationships.

  • US Upstream Operator (Land)
  • Snowflake
  • Python
  • Data Modeling
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Wellbore schematics application thumbnail

Wellbore schematics application

Drilling data locked in tables nobody could visualize.

Delivered a Snowflake-based application that renders detailed, interactive wellbore schematics from WellView source data - every object and component in the wellbore, with historical context attached, explorable through 2D and 3D visuals.

  • US Upstream Operator
  • Snowflake
  • Data Visualization
  • Web Application
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Data quality framework thumbnail

Data quality framework

Bad data discovered only when a report looked wrong.

Designed, developed, and implemented a Snowflake-based data quality framework for an energy operator's critical reporting views, surfaced through Sigma dashboards.

  • US Upstream Operator
  • Snowflake
  • Data Quality
  • Sigma
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Production variance reporting thumbnail

Production variance reporting

“Why did this well produce less than expected?” — asked daily.

Built production variance reporting over ProCount data in Snowflake with Sigma dashboards for a US upstream operator, plus daily production (days vs. depth) reporting over WellView drilling data.

  • US Upstream Operator
  • Snowflake
  • SQL
  • Business Intelligence
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Hierarchy & schema management apps thumbnail

Hierarchy & schema management apps

Business and financial rollups living in spreadsheets.

Architected, deployed, and project-managed two Snowflake-based web applications for creating, mapping, and comparing multi-level business and financial hierarchies.

  • US Energy Data Consultancy
  • Snowflake
  • Web Application
  • Cloud Architecture
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Source-vs-warehouse gap analysis thumbnail

Source-vs-warehouse gap analysis

Two systems disagree; nobody can prove where or why.

Performed comprehensive gap analysis between an energy operator's source systems and their MDM/warehouse layer, then across unified metrics, production, and volumes reporting sub-systems.

  • US Upstream Operator
  • Snowflake
  • SQL
  • Data Analysis
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Legacy ERP conversion, rebuilt on Azure thumbnail

Legacy ERP conversion, rebuilt on Azure

A single-machine ERP conversion workflow at its limits.

An aging Enertia ERP conversion system - the workflow that imports and updates client company data into the ERP - was rebuilt on a hybrid-cloud approach I co-designed.

  • Oil and Gas ERP
  • Azure Data Factory
  • Databricks
  • PySpark
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MatchMaker AI — five systems, one truth thumbnail

MatchMaker AI — five systems, one truth

Five source systems, five naming conventions, zero shared keys.

Designed, named, and built MatchMaker AI end to end: an ML-driven matching engine that unifies data from five oil & gas source systems - ERP, reserves, production accounting, drilling operations, and scheduling - into one cross-reference backbone.

  • US Oil and Gas Operator
  • Snowflake
  • Machine Learning
  • Python
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Land reporting suite thumbnail

Land reporting suite

Land answers assembled by hand from multiple systems.

Developed a land-management reporting suite on Snowflake for an energy data platform: Division of Interest, task usage and workload, acreage, wells, and data quality reporting, delivered through Tableau.

  • US Upstream Operator (Land)
  • Snowflake
  • SQL
  • Tableau
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Multi-stream data intake into SAP thumbnail

Multi-stream data intake into SAP

Brittle manual data handling feeding a global producer's SAP.

Modernized the data intake workflow for a global chemicals and energy producer running a legacy drilling-software estate: built secure processes to ingest data from multiple streams, then process, transform, and load it into SAP and SQL systems using Azure …

  • Global Chemicals & Energy Producer
  • Azure Data Factory
  • SQL
  • Microsoft Fabric
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AI-assisted financial reports thumbnail

AI-assisted financial reports

Business-critical reports; near-zero documentation; limited access.

Built two business-critical financial reports - owners to be paid, and ledger - for a client on SQL Server, working with very limited access and near-zero documentation.

  • US Land Software Company
  • SQL Server
  • Python
  • Machine Learning
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SaaS platform architecture on AWS thumbnail

SaaS platform architecture on AWS

A US SaaS platform needing architecture, scale, and cost discipline.

Led cloud engineering for a US SaaS platform on AWS: designed the microservices and API architecture, DB schemas (MySQL RDS, Cassandra), and the AWS roadmap across logging, encryption, metrics, storage, compute, delivery, security, and sustainability.

  • ResQ TRX
  • AWS
  • Kubernetes
  • Microservices
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Graph analytics platform (Neo4j) thumbnail

Graph analytics platform (Neo4j)

Relationship-shaped questions relational databases answer slowly or never.

Helped design and build a graph-based data analytics platform on AWS: DynamoDB and PySpark for data processing, Neo4j for graph storage and analytics, serverless stack provisioned with Chalice.

  • Data ConnecXion
  • Neo4j
  • PySpark
  • AWS Lambda
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DataAmplifier web app thumbnail

DataAmplifier web app

Reorgs breaking rollups that lived in spreadsheets.

Architected the cloud solution, deployed, and project-managed DataAmplifier: a Snowflake-based web application for creating, mapping, and comparing multi-level business structures.

  • US Energy Data Consultancy
  • Snowflake
  • Web Application
  • Solution Architecture
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Hierarchy Manager web app thumbnail

Hierarchy Manager web app

Financial rollup trees changing faster than reports could follow.

Architected, deployed, and project-managed the Hierarchy Manager web application: a Snowflake-based tool for creating, mapping, and comparing multi-level financial structures.

  • US Energy Data Consultancy
  • Snowflake
  • Web Application
  • Financial Reporting
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TIES data integration thumbnail

TIES data integration

A production integration that had to survive deployment, not just development.

Developed TIES-related objects over Snowflake for a US energy operator, reviewed work completed by other developers, prepared deployment scripts, and project-managed the integration effort end to end: implementation review, deployment readiness, and structu…

  • US Oil and Gas Operator
  • Snowflake
  • SQL
  • Data Integration
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Midstream data project thumbnail

Midstream data project

Midstream volumes with reconciliation challenges all their own.

Project-managed a midstream data initiative for a US oil and gas operator: provided technical guidance to the development team, maintained the deployment cycle, and kept implementation planning, technical coordination, and release management aligned through…

  • US Oil and Gas Operator
  • Snowflake
  • Project Management
  • Data Engineering
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EnerHub MDM integration thumbnail

EnerHub MDM integration

A commercial MDM covering only part of the estate.

Developed the end-to-end integration of the EnerHub cross-reference system across a US operator's Snowflake environment.

  • US Oil and Gas Operator
  • Snowflake
  • Master Data Management
  • SQL
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Property Master sub-system thumbnail

Property Master sub-system

Every system answering “which property is this?” differently.

Developed and co-designed the Property Master sub-system on Snowflake for a US energy operator, providing a single unified view of properties across the organization.

  • US Oil and Gas Operator
  • Snowflake
  • Data Modeling
  • Master Data Management
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Internal multi-cloud infrastructure thumbnail

Internal multi-cloud infrastructure

A consultancy's own estate spanning three clouds.

Designed, deployed, and managed a consultancy's internal infrastructure across Azure, AWS, and GCP: virtual machines, databases, applications, networking components, and supporting cloud resources.

  • US Energy Data Consultancy
  • Microsoft Azure
  • AWS
  • Google Cloud Platform
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Days vs. depth drilling reports thumbnail

Days vs. depth drilling reports

The drilling curve everyone watches, rebuilt on governed data.

Developed and provided oversight for daily drilling report development over Snowflake using WellView source data, centered on days-vs-depth reporting - the curve every drilling engineer reads first.

  • US Upstream Operator
  • Snowflake
  • SQL
  • Data Visualization
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Route-planning app architecture on GCP thumbnail

Route-planning app architecture on GCP

Production architecture on the third cloud.

Designed and deployed the cloud architecture for a route-planning application on Google Cloud Platform for a technology client.

  • US Technology Client
  • Google Cloud Platform
  • Cloud Architecture
  • DevOps
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Azure Data Factory pipeline expansion thumbnail

Azure Data Factory pipeline expansion

Adding pipelines to a production estate without breaking it.

Extended an established Azure Data Factory estate for a US energy operator, adding new workflows to production data pipelines without destabilizing what already ran.

  • US Energy Operator
  • Azure Data Factory
  • ETL Pipeline
  • SQL
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Unified reporting model — five sources thumbnail

Unified reporting model — five sources

Five systems that never agreed on volumes and metrics.

Developed and still maintain the unified presentation layer for a US operator's reporting: volumes and metrics views fed by five different source systems over Snowflake, all resolved through the unified cross-reference system.

  • US Oil and Gas Operator
  • Snowflake
  • Data Modeling
  • SQL
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Daily & monthly production reporting thumbnail

Daily & monthly production reporting

Daily ops numbers and monthly accounting numbers that never agreed.

Developed the daily and monthly production reporting suite for a US operator based on the ProCount production accounting system - the operational heartbeat reports that production and management teams open every morning and every close.

  • US Oil and Gas Operator
  • Snowflake
  • SQL
  • Business Intelligence
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