DBMS Specialist, Database Administration

Certsys

Database Administrator at Certsys, responsible for managing and optimizing database systems. Ensuring integrity, security, and performance of databases in digital transformation projects.

Posted 7/7/2026full-timeRemote • 🇧🇷 BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in Database Administration, ensuring database availability, integrity, and performance while optimizing SQL queries and implementing data modeling improvements. Proficient in managing relational, analytical, and NoSQL databases, with a strong focus on performance tuning and ETL processes.

Highest-signal resume keywords

Database AdministrationSQL Query OptimizationRelational Database ModelingETL Tools KnowledgeVery Large Databases (VLDB)

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Database Management Systems (DBMS)SQLPerformance TuningDDLDMLDCLTable Partitioning TechniquesData MigrationData LoadingImpact Analysis

Certifications & Qualifications

Bachelor's Degree in Information TechnologyPostgraduate Certificate in Information Technology

Industry Keywords

Database AvailabilityDatabase IntegrityDatabase SecurityDatabase PerformanceMultidimensional Database

Tech Stack

Tools & technologies

ETLNoSQLSQL

About the role

Key responsibilities & impact

Administer, monitor, and provide support for Database Management Systems (DBMS).
Ensure database availability, integrity, security, and performance.
Analyze and optimize SQL queries to improve performance.
Monitor application performance across development, staging (homologation), and production environments.
Propose data modeling improvements to optimize performance.
Perform data loading and migration between environments.
Assess the impact of database changes and propose technical solutions.
Support the implementation of database administration solutions.

Requirements

What you’ll need

Solid experience as a Database Administrator (DBA).
Experience administering and supporting Database Management Systems (DBMS).
Advanced knowledge of SQL and query optimization (performance tuning).
Experience in relational and multidimensional database modeling.
Knowledge of ETL tools and processes.
Experience with Relational, Analytical, and NoSQL databases.
Knowledge of DDL, DML, and DCL.
Experience with table partitioning techniques.
Experience with Very Large Databases (VLDB).
Ability to analyze impacts and implement changes in database environments.
Bachelor's degree in Information Technology;
Or a bachelor's degree in any field, provided it is accompanied by a postgraduate certificate (specialization, master's, or doctorate) in Information Technology with a minimum workload of 360 hours.

Benefits

Comp & perks

Bradesco National Health Plan with medical and dental coverage.
Swile card for meals.
Transportation allowance (Vale Transporte) for commuting.
Exclusive banking credit package.
100% coverage at no additional cost.
Exclusive discounts on courses and educational institutions.
Access to gyms via Wellhub (Gympass).