Senior Systems Architect & SRE-Driven Infra Leader

DEVOIN RUFFIN

Cottage Grove, WI 608-***-**** ********@***.*** LinkedIn

SYSTEMS ARCHITECT & INFRASTRUCTURE CONSULTANT

Accomplished systems architect and integrations specialist with 20+ years of success optimizing enterprise systems, data pipelines, and automation frameworks across complex environments. Expert in leading large-scale infrastructure, integration, and application transformation initiatives that enhance scalability, security, and operational efficiency. Proven ability to design .NET, SQL, and Azure- based solutions that modernize legacy platforms, streamline workflows, and elevate performance. Trusted by public and private sector clients for delivering future-ready architectures that align technology investments with business growth and objectives. Enterprise Systems Architecture CRM Modernization & Data Migration ETL Design & Data Integration (SSIS/Informatica Cloud) Cloud & On-Prem Infrastructure Systems Integration & API Development Automation & Scripting Data Governance Agile Project Leadership DevOps Software Development Life Cycle (SDLC) Active Directory & Access Management Legacy System Transformation Database Design Process Optimization Business Intelligence & Reporting TECHNOLOGY

Languages & Frameworks: C#, Java, JavaScript, SQL, Python, HTML5, CSS3, ASP.NET Core/MVC, .NET, REST, SOAP APIs Data & Analytics: SQL Server, Oracle, T-SQL, SSIS, SSRS, SSAS, Informatica Cloud, Power BI, Crystal Reports, Active Directory Systems & Platforms: Windows 10/11, Windows Server 2016+, Linux, UNIX, IIS, Azure Cloud Tools & Software: Visual Studio, PowerShell, Git, Team Foundation Server (TFS), SharePoint, SAP, MS Office Suite, Visio PROFESSIONAL EXPERIENCE

Humana Insurance Corporation Madison, WI/Remote Sep 2013-Present System Engineer, Infrastructure Admin

Spearheads enterprise CRM, ETL, and infrastructure modernization initiatives, architecting scalable cloud and on-prem systems that strengthen data governance, automation, and cross-team performance.

• Architects CRM, ETL, and UI integration framework for cloud data uploads, enhancing interoperability, performance, and security across five business units while supporting migrations from Informatica Cloud to MuleSoft.

• Leads four teams through SIT testing, developing Selenium test cases and improving release quality and defect detection.

• Administers Active Directory groups and service accounts for CRM and ETL applications across Test, QA, and PROD environments, designing access controls, provisioning workflows, and audit-ready security models.

• Manages server-side operations, including storage monitoring alerts, quarterly patch cycles, and UNIX-based cron scheduling supporting batch ETL workflows and CRM data processing.

• Authors comprehensive documentation for Informatica Cloud, PowerCenter, and CRM ETL workflows, including design, development, batch processing, and operational runbooks that standardized enterprise processes.

• Supports CRM, Data Integration, and Infrastructure teams with ETL debugging and cross-platform process enhancements across Salesforce, Informatica, and MuleSoft environments.

• Builds and maintains SharePoint environments for CRM Test Data operations, centralizing data access and collaboration.

• Partners with Linux and Integration teams to deploy Dollar Universe, automating scheduling and reducing manual work.

• Implements CipherCloud encryption with Informatica Cloud, ensuring compliance with enterprise data security standards.

• Enhances web performance by updating Humana’s public site in C# and creating WCF Web Services test suites.

• Delivers remote work training for ~25 onshore and offshore team members, supporting both standard operations and a critical transition period during COVID-19.

Select Projects:

• CRM Architecture Rebuild: Led an 18-month overhaul of Humana’s CRM data architecture from the ground up, engineering AI-ready data models and SharePoint integrations that modernized system performance and accessibility.

• Salesforce -> Informatica Integration POC: Developed and deployed the proof of concept connecting Salesforce to Informatica Cloud, setting the enterprise standard for automated data synchronization and secure cloud exchange.

• ETL Job Standardization: Created new job review templates and scheduling tools for Informatica Cloud and PowerCenter, institutionalizing QA practices and expediting peer review cycles.

• Infrastructure Reliability: Built server storage notification processes, oversaw recurring patch cycles, and created AD access governance models, strengthening uptime, compliance, and operational consistency.

• CRM Release Leadership: Served as project lead for GSO/RSO releases and product support triage, aligning resolution workflows with business continuity goals and compliance requirements. DEVOIN RUFFIN 608-***-**** Page 2

Anchor Bank Madison, WI Sep 2012-Sep 2013

Solution Architect

Led system modernization and integration across the bank’s digital ecosystem, advancing automation, resilience, and performance of mission-critical web and data platforms.

• Streamlined operations by triaging Help Desk tickets, upgrading Visual SourceSafe to TFS 2012, and rewriting DTS packages into SSIS for improved data efficiency.

• Built and deployed WCF web services, assisted with server configuration, and implemented AppFabric, enhancing server performance, reliability, and service continuity.

• Automated SQL updates through PowerShell 4.0 scripting and Active Directory integration, improving task scheduling and reducing manual workload.

Wick Buildings LLC Madison, WI Mar 2012-Sep 2012 Application Developer

Selected to transform outdated business platforms into scalable, data-driven applications, replacing legacy platforms with SQL-based systems that optimized data flow and improved operational performance.

• Redeveloped legacy FoxPro programs in Microsoft LightSwitch, improving stability and maintainability across business units.

• Built an Outlook Add-in for eFax processing and automated data migration from FoxPro to SQL Server via SSIS, streamlining document management and data integrity.

• Developed SSRS business reports, integrating with SharePoint to enhance visibility and key decision-making. Ruffin Technologies Madison, WI Oct 2011-Mar 2012 Web Developer SSIS Pkgs/SSRS

Founded and led a consulting practice delivering custom web, data, and reporting solutions for clients across public and private sectors, integrating .NET frameworks, automation, and analytics to enhance performance and usability.

• Directed full life cycle web development projects using .NET Framework 3.5/4.0, improving functionality and scalability.

• Created AJAX-based tutorials, enabling dynamic, real-time data interaction.

• Partnered with the Milwaukee Police Department to modernize SSRS report packages, adding advanced functionality and improving data clarity for operational reporting.

EARLIER EXPERIENCE

Cuna Mutual Madison, WI Application Developer Feb 2011-Sep 2011 Wisconsin Hospital Association Madison, WI DBA Programmer Jul 2010-Jan 2011 Stress Photonics & Milwaukee County Madison, WI .NET Developer Oct 2009-Jun 2010 Vrakas/Blum Computer Consulting Madison, WI Mobile Application Developer Aug 2007-Jun 2009 HAS Bank & Cleary Building Madison, WI Application Developer & Systems Analyst Mar 2007-Aug 2007 EDUCATION

Bachelor of Science (BS), Computer Science: Georgia Tech Scheller College of Business, Atlanta, GA CERTIFICATIONS & TRAINING

Certified Associate in Project Management (CAPM®)

Oracle Internet Developer Certification

SAS Development Certification

Intermediate and Advanced PL/SQL Development Certification Microsoft Certified Professional (MCP): Implementing Web Applications with Visual Studio .NET and ASP.NET

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