Brian J. MacDonald

Senior IT Leader · Enterprise Architecture · Oracle & Database Operations
OPEN TO OPPORTUNITIES
25+
Years in enterprise IT
$1.8M+
Recurring annual savings delivered
11i → 12.2.x
Oracle EBS upgrades led
4
Organizations, Oracle DBA to Sr. Manager
// professional summary
Senior IT leader with 25+ years architecting and operating mission-critical enterprise systems for global organizations. Deep expertise spanning enterprise integration, high availability and disaster recovery, license optimization, and Agile delivery, with a consistent focus on platform modernization, cost governance, and SLA performance. Trusted partner to executive stakeholders across complex, cross-functional Oracle database and applications programs.
// core competencies
IT Leadership & Team Management Enterprise Architecture & Solutions Design Project Management Product Owner Oracle E-Business Suite, RDBMS, RAC, ORDS High Availability, DR & Data Replication License Optimization & Vendor Management Performance Tuning & SLA/SLO Governance Enterprise Integration (HR, Payroll, SSO, AR/AP, Banking) Agile / Scrum Delivery Leadership Data Governance, Masking & Security Cloud-Ready Modernization & Migration
// professional experience
Acuity Brands, Inc. | Atlanta, GA
Mar 2006 – Nov 2025
Senior Manager, Information Technology
Directed Oracle database and applications teams, enterprise architecture, license governance, Agile delivery, and systems integration across business-critical platforms supporting global operations including HR, payroll, AR/AP, banking, and SSO.
  • Reduced annual Oracle Corporation spend by 60%, delivering $1.8M+ in recurring annual savings through license rationalization, contract renegotiation, and architectural redesign.
  • Led Oracle database and applications teams responsible for business-critical platforms supporting global operations, consistently meeting SLA and SLO commitments for availability and performance.
  • Architected enterprise-grade solutions for high availability, multi-region data replication, disaster recovery, and data masking, establishing the standard reference architecture adopted across the company.
  • Set company-wide standards for data handling, environment lifecycle, and operational governance adopted across multiple business units.
  • Implemented real-time license monitoring, giving leadership unprecedented visibility into usage patterns and enabling proactive cost control.
  • Integrated core enterprise platforms including HR, Payroll, SSO, AR/AP, and banking, streamlining operations and improving end-to-end data consistency.
  • Directed Agile delivery as Scrum Leader, owning sprint planning, daily execution, and stakeholder reporting to keep complex initiatives on schedule and aligned with business priorities.
  • Owned the API lifecycle on Oracle REST Data Services (ORDS), enabling secure, scalable data access patterns across enterprise applications.
  • Delivered major version upgrades end-to-end: Oracle E-Business Suite 11i → 12.2.x, RDBMS 10.x → 19c+, including SSO integration, OEL/AIX migrations, RAC clustering, and HA/DR rollouts.
Sierra Atlantic | Westwood, MA
Aug 2004 – Mar 2006
Oracle applications consulting firm specializing in EBS implementations, upgrades, and client support services.
Oracle Applications Database Administrator / Client Project Lead
Led Oracle E-Business Suite and database administration, application support, upgrades, and proof-of-concept work for multiple enterprise client engagements across Linux, AIX, Solaris, HP-UX, and Windows platforms.
  • Built and owned Sierra Atlantic's standard Oracle environment architecture, enforcing it across all client onboardings and transforming a fragmented multi-client portfolio into a scalable, engineer-agnostic support model.
  • Owned Oracle E-Business Suite 11i environments (11.5.1 – 11.5.10.x) on Oracle 8i/9i across Linux, AIX, Sun, HP, and Windows platforms for client engagements.
  • Led application upgrades, patch cycles, and proof-of-concepts for emerging Oracle technologies, evaluating fit for enterprise client environments.
  • Automated full and partial environment cloning using AutoConfig and AutoClone, reducing downtime and freeing the operations team for higher-value work.
  • Tuned end-to-end performance across the database, storage, and SQL layers, including indexing, partitioning, explain-plan analysis, and trace-driven optimization.
  • Installed and configured Oracle Applications in single- and multi-node architectures with distributed application servers, AutoSync, and NFS-mounted APPL_TOP.
  • Partnered with Oracle Support on critical production issues, managing SRs/iTARs, applying one-off patches, and escalating effectively to keep client systems online.
  • Provided 24x7 production monitoring of databases, concurrent managers, Apache, forms, reports, storage, and system resources.
  • Maintained rigorous change documentation, capturing performance metrics and approval evidence to satisfy audit and governance requirements.
Lightolier | Fall River, MA
May 2001 – Jul 2004
Commercial lighting manufacturer subsequently acquired by Philips Lighting.
Oracle Applications Database Administrator
Managed Oracle database and applications administration across all Oracle products, including maintenance, upgrades, monitoring, alerting, and support, while contributing to technology vision and roadmap planning for the Oracle environment.
  • Established Lightolier's Oracle technology roadmap from the ground up, engaging business owners, department heads, and internal IT leadership to surface competing priorities and align on a CTO-approved multi-year plan executed through structured quarterly deliverables.
  • Maintained Oracle E-Business Suite 11i and 10.7 with Oracle 7.x → 8i → 9i database backends, leading the version upgrades end-to-end.
  • Built and operated a 4 node Real Application Clusters (RAC) environment on Red Hat Advanced Server, including RAW disk storage, Oracle Cluster Manager, and ongoing patching, supporting a Sales Force Automation platform.
  • Designed and operated an Oracle data warehouse, consolidating CRM, MRP, and AR data into a single reporting layer using materialized views, partitioning, and index-organized tables.
  • Enabled self-service analytics by deploying Oracle Discoverer with shared workbooks and parameterized reports for business users across the company.
  • Managed user and responsibility security, menus, report sets, schedules, and concurrent request monitoring across the EBS environment.
Trellix, acquired by Yahoo Corp | Concord, MA
Jul 1999 – May 2001
Consumer website-building software.
Database Administrator
Administered Oracle production databases, designed and built a corporate data warehouse, and supported a third-party web analytics platform on Sun UNIX in a software technology environment.
  • Created and operated Oracle databases on Sun UNIX, providing 24x7 production support across tablespaces, datafiles, indexes, locks, security, and archive logs.
  • Designed and built a corporate Oracle data warehouse, including data modeling, ETL workflows, and operational runbooks.
  • Developed SQL*Loader jobs, PL/SQL stored procedures, and CRON-driven automation to extract data from non-Oracle systems and load it into the warehouse.
// education & certifications
Bachelor of Arts in Business Administration
Bridgewater State College, Bridgewater, MA
Certified Oracle Database Administrator
Clark University, Worcester, MA
Oracle Database Administration
Oracle Corporation
Oracle PL/SQL
Oracle Corporation
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