Marcus Badu
@marcusbadu
Senior Database Administrator specializing in high-availability systems and cloud migrations.
What I'm looking for
I am a Senior Database Administrator with 18+ years managing enterprise databases across Oracle, DB2, SQL Server, Sybase, PostgreSQL and MySQL in mission-critical, high-availability environments.
I have led DBA teams in multinational outsourcing settings, delivered SLA-driven operations, and executed major datacenter and migration projects with zero downtime, achieving significant cost savings.
My strengths include performance tuning, backup/recovery, replication, disaster recovery planning, capacity forecasting, Unix/Linux scripting, and Oracle Cloud (OCI) implementations and automation.
I hold multiple Oracle certifications, have driven process improvements that reduced costs and recovered underperforming contracts, and I am pursuing a Postgraduate Diploma in Artificial Intelligence to expand my technical leadership in modern database and cloud architectures.
Experience
Work history, roles, and key accomplishments
Led internal IT operations including identity/access management and SOC2/ISO27001 participation; implemented Okta integration that reduced provisioning costs by 50% and developed automation handling 60% of access activities.
IT Operations Senior Manager
Nexa Tecnologia Ltda
Sep 2019 - Dec 2021 (2 years 3 months)
Oversaw IT infrastructure support and database services for major client portfolios, recovering 80% of underperforming contracts through process optimization and ensuring SLA compliance.
Administered Sybase ASE and SQL Server for a public bank client, improving batch query performance, implementing log-savings processes and delivering proactive support backed by custom shell scripting for capacity and backup operations.
Led the Brazil DBA team managing 1,400+ instances across HA and DR environments, implemented 24x7 support saving ~$250K annually, managed offshore transitions and drove datacenter migration of 300+ servers/databases with zero downtime.
Database Administrator
Aracruz Celulose S.A.
Jan 1998 - Jan 2000 (2 years)
Administered Oracle databases for SAP environments, implemented and managed cartographic (Arc/GIS) databases and developed C-language data tools to support operations.
Education
Degrees, certifications, and relevant coursework
Universidade Tecnológica Federal do Paraná
Postgraduate Diploma, Artificial Intelligence
Postgraduate diploma in Artificial Intelligence currently in progress with expected completion in January 2027.
Universidade Federal do Espírito Santo
Postgraduate Diploma, Multimedia and Internet Systems
Postgraduate diploma in Multimedia and Internet Systems completed in 2000.
Pontifícia Universidade Católica do Rio de Janeiro
Bachelor's degree, Data Processing Technology
Bachelor's degree in Data Processing Technology (Information Technology) awarded in 1988.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Social media
Job categories
Skills
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