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At Central Ailos, the Database Administrator III works from 3:00 PM to 11:45 PM, operating Oracle, SQL Server, and cloud. The role leads migrations, tuning, backup, and access controls, negotiating with vendors. The hiring is CLT, with medical assistance, dental assistance, pension, PPR, and education, in addition to life insurance.
The Database Administrator starts the evening shift when most of the business is already running at full capacity: closings, integrations, usage peaks, and critical routines. In an institution of the Ailos System, the mission is to keep data available, intact, and fast, with technical decisions that impact what the user perceives at the front end.
While ensuring the stability of the “now,” this profile drives the change of “tomorrow”: migrations, modernization to cloud, continuous performance improvement, and strengthening security. The role is a technical reference, with responsibility for diagnosis, solution design, and validation of what goes into production.
What the Evening Shift Reveals About Priority and Risk
The shift from 3:00 PM to 11:45 PM usually concentrates scenarios where “a detail turns into an incident”: asynchronous loads competing for I/O, smaller maintenance windows, delayed replications, and systems sensitive to latency. Therefore, the Database Administrator needs to work with real-time monitoring, observability of metrics, and change discipline, avoiding “panic” corrections.
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During this time of day, coordination with product, infrastructure, and security areas becomes part of the technical work. It’s not just about responding to alerts: it’s about anticipating through proactive performance analysis, architecture review, and prioritization of improvements that enhance scalability without sacrificing stability.
Migrations and Cloud: When Modernization Requires Method and Leadership
Leading a database migration is not just “copying data”—it’s orchestrating compatibility, windows, rollback, testing, and risks. The Database Administrator plans stages, validates requirements, defines success criteria, and conducts execution with audit trails and sufficient documentation for the environment to survive post-change.
When the migration involves cloud (AWS, Azure, or Oracle Cloud), the work gains additional layers: network, latency, IAM, encryption, costs by usage, and designing high availability. The technical choice must fit within the budget and operation, and this requires the ability to translate trade-offs (cost versus performance, flexibility versus governance) for sustainable decisions.
Performance and Tuning: Diagnosis Before the “Remedy”
The heart of the function lies in transforming symptoms into root causes: slow queries, lock contention, CPU queues, storage bottlenecks, outdated statistics, and routines that degrade over time. The Database Administrator conducts detailed diagnostics and applies tuning with criteria, understanding the effects of indexes, execution plans, partitioning, and engine parameters.
This position assumes mastery of SQL and database objects such as procedures, views, triggers, and functions, in addition to maintenance and automation tools. The goal is not to “mess too much,” but to mess right: measure first, change, validate results, and monitor regression, maintaining response capability and predictability.
Security and Governance: Minimum Access, Maximum Audit
In environments with sensitive data, security is not a checklist: it’s routine. The Database Administrator complies with information security policies by controlling access, reviewing permissions, and structuring controls that reflect technical and regulatory criteria, reducing excessive privileges and tracking critical changes.
Governance materializes in processes: segregation of duties, audit trails, periodic access reviews, and standardization of authentication/authorizations. A “fast” database that is not secure becomes an operational risk, and the function’s role is to balance protection with continuity, avoiding bottlenecks that prevent the business from operating.
Backup, Restore, and Disaster Recovery: Continuity Without Heroism
Backup and restore strategies cannot exist just “on paper.” The Database Administrator proposes, implements, and monitors policies, configuring tools, defining practical RPO/RTO, and validating restorations in real scenarios, because testing is what separates a plan from a promise.
The role also involves high availability and disaster recovery: replication, clusters, update procedures, maintenance windows, and contingency plans. The best incident is one that doesn’t happen—and the second best is one that ends quickly, with traceability and no significant data loss.
Stack, Requirements, and How the Selection Journey Works
The position requires a degree in Computer Science, Systems Analysis, or related fields and a complete specialization in the area. In practice, this translates into maturity to operate relational and non-relational databases (Oracle, SQL Server, MySQL, PostgreSQL, MongoDB), as well as handling replication, cloud environments, and, when necessary, technologies like Progress and Dataserver.
Competencies in platforms are also required: Linux, UNIX (AIX), and Windows, along with assertive communication and a proactive approach to driving changes with multiple teams. The selection process follows clear stages: registration, curriculum screening, behavioral assessment (PDA), interview with HR, interview with the manager, satisfaction survey, and hiring. The hiring is CLT, and the benefits package includes medical and dental assistance, profit sharing, private pension, life insurance, education investment, meal/food vouchers, transportation vouchers, and childcare/nanny support, among others.
This position places the Database Administrator at the center of three fronts that rarely run separately: day-to-day stability, modernization (especially in cloud), and security with real governance. Whoever takes this position does not just “look after the database”: they support services that depend on data to exist, with method, leadership, and technical responsibility.
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