IT Systems Analyst with Data Integrity Focus

Darin Holloway

Helena, Montana

406-***-**** **********@********.***

Professional Summary

Database Specialist with extensive experience supporting enterprise data systems, data integrity, validation, and reporting across government, insurance, and federal environments. Proven success collaborating with IT staff, business stakeholders, and QA teams to ensure secure, accurate, and compliant data management processes. Skilled in data governance support, system validation, process improvement, data collection technologies, and operational reporting. Strong background in SQL Server and Oracle development, ETL processes, data quality assurance, and technical documentation. Experienced in supporting User Acceptance Testing (UAT), developing process workflows, and improving system reliability for mission-critical applications.

Core Competencies

Data Validation & Data Collection Processes

User Acceptance Testing (UAT) & System Validation

Requirements Gathering & Stakeholder Collaboration

SQL Server & Oracle Database Development

ETL Design, Data Migration & Reporting Support

Technical Documentation & Training Materials

Analytics, Root Cause Analysis & Problem Solving

Agile / Scrum / Kanban Methodologies

CI/CD Automation & Production Support

Professional Experience

Database Developer

Sapiens – Montana, United States

Jan 2022 – May 2025

Provided database development and operational support for enterprise insurance systems with emphasis on data integrity, validation, and cross-functional collaboration.

Coordinated testing cycles and supported User Acceptance Testing (UAT) activities to validate system functionality and data accuracy prior to production deployment

Collaborated with business stakeholders and IT teams to clarify requirements, improve workflows, and support data governance objectives

Modified and optimized Oracle 12c/19c PL/SQL queries, procedures, functions, and views to improve data quality and reporting reliability

Investigated and resolved production data issues, ensuring integrity and continuity of mission-critical systems

Assisted with process improvement initiatives to streamline deployment, validation, and reporting activities

Utilized Jira for requirements tracking, sprint planning, workflow coordination, and issue management

Software Developer

Battelle – Idaho, United States

Jan 2019 – Nov 2021

Supported enterprise systems at Idaho National Laboratory with focus on SQL Server development, ETL processing, and secure data operations.

Engineered ETL processes migrating data from Oracle to SQL Server environments while ensuring data completeness, consistency, and integrity

Developed and maintained advanced T-SQL stored procedures, triggers, views, and performance-optimized queries supporting enterprise reporting and analytics

Designed Azure DevOps CI/CD pipelines to automate SQL Server deployments and improve operational reliability

Participated in integration testing and UAT efforts to validate system functionality and ensure adherence to operational standards

Collaborated with technical and business stakeholders to support secure and compliant data management practices

Managed work activities and enhancement tracking using Jira Kanban boards

Software Engineer II

Montana State Fund – Montana, United States

Nov 2010 – Nov 2018

Supported statewide workers’ compensation insurance systems through database development, reporting support, and operational system validation.

Collaborated with end users and business units to define requirements, support workflows, and coordinate User Acceptance Testing (UAT) activities

Developed and maintained Oracle 11g/12c PL/SQL packages, procedures, triggers, and queries supporting critical operational systems

Supported data validation, troubleshooting, and production recovery efforts for high-availability insurance applications

Served as a technical resource for QA validation, release verification, and documentation activities

Developed integration solutions supporting document management and enterprise data workflows

Consultant

Deloitte/BearingPoint – Montana, United States

Sep 2008 – Oct 2010

Delivered database conversion, validation, and reporting solutions for state and federal agencies.

Led data conversion and validation efforts for the Montana Department of Justice licensing and registration system

Designed and executed comprehensive test cases while coordinating system testing and UAT validation activities

Worked directly with agency stakeholders to support compliance, reporting accuracy, and operational readiness

Extracted, transformed, and validated financial data for FDIC archival and enterprise warehouse environments

Supported multiple database platforms including SQL Server, Oracle, PostgreSQL, MySQL, Access, and FoxPro

Performed SQL Server backup, recovery, monitoring, and production support activities

Technical Skills

Databases

SQL Server (2005–2019), Oracle (11g–21c), PostgreSQL, MySQL, Access, FoxPro

Data & Database Technologies

T-SQL, PL/SQL, SSIS, ETL Development, Stored Procedures, Triggers, Views, Performance Tuning, Backup & Recovery, Data Migration

Tools & Platforms

Azure DevOps, Jira, Git, Jenkins, Serena Dimensions, PL/SQL Developer, MS Visual Studio

Languages & Technologies

T-SQL, PL/SQL, C#, PowerBuilder, VB6, ASP (VBScript), PowerShell, JavaScript, HTML, CSS

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