Senior Database Reliability Engineer
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Job Description
Database Reliability Engineer ensuring data reliability in Conexa's digital health ecosystem in Brazil. Focused on monitoring and improving database performance and security compliance.
Responsibilities:
- Continuously monitor the data layer's performance — slow queries, locks, index usage, saturation and capacity — defining thresholds, alerts and action plans.
- Conduct capacity planning analyses and propose evolution of the data architecture according to product growth.
- Technically review queries and data models proposed by developers, acting as a consultative reference and guardian of standards.
- Define and evolve company database standards: naming, versioning, integrity, modeling and scalability.
- Ensure best practices are consistently adopted by engineering teams.
- Manage the database change cycle across dev/staging/prod environments, implementing CI/CD flows appropriate for schema and data changes.
- Assess migration risks, define maintenance windows and rollback strategies.
- Define and operate backup, restore, replication and disaster recovery strategies, including periodic recovery testing.
- Sustain availability SLOs and the data layer's RPO/RTO objectives.
- Establish and review permission policies, access segregation and auditing.
- Ensure adherence to applicable security and compliance requirements (LGPD — Brazilian General Data Protection Law — and the frameworks adopted by the company).
- Develop and evolve internal tooling that improves developer experience (DX), observability, access management and the scalability of data operations.
- Act as a technical bridge between product engineering, infrastructure and security.
Requirements:
- Strong experience as a DBA, DBRE, data SRE or Data Engineer with a focus on reliability, working in critical production environments.
- Advanced SQL and proficiency in query tuning, reading and interpreting execution plans, lock analysis and index management.
- Expertise in relational modeling and integrity patterns, versioning and schema migrations.
- Experience with backup, restore, replication and disaster recovery strategies, including recovery testing.
- Experience with managed cloud databases (AWS RDS/Aurora, Google Cloud SQL or equivalents).
- CI/CD practices applied to database changes (versioned migrations, automated review, controlled deploys in dev/staging/prod).
- Database observability using tools such as Datadog, New Relic, Grafana or equivalents.
- Knowledge of data security and governance: permission management, least-privilege principles and audit controls.
- Nice-to-haves: Experience in healthtech or other regulated industries, with sensitivity to LGPD and compliance (ISO 27001, SOC 2).
- Experience with NoSQL databases and hybrid architectures (relational + NoSQL + cache).
- Experience building internal tooling (platforms, CLIs, automations) that scale database practices for product teams.
- Experience working in high-growth environments with autonomous squads.
- Familiarity with IaC (Terraform) applied to the data layer.
Benefits:
- CAJU card: R$ 1,059.00 monthly credit distributed across categories: Meal, Food, Mobility, Health, Home Office, Culture and Education.
- AMIL S450 Health Plan – APTO, with a 30% copayment on consultations and exams and 40% PS; extendable to legal dependents (spouses and/or children up to 24 years old) and dependent fees are deducted from payroll. Cost per dependent: R$ 506.86 per person + copayment.
- Omni Saúde: Intended for purchasing prescription medications. A monthly balance of R$ 100.00 is provided to the employee, exclusively for buying medications prescribed by our Hospital Conexa.
- Free access to the Conexa and Zenklub platforms, with online consultations for mental and physical health.
- Childcare assistance according to regional collective agreement and Extended Maternity/Paternity Leave for our team: option to extend maternity leave to 6 months. For fathers, paternity leave is 30 days.
- AMIL Life Insurance: We want you to feel secure knowing you and your loved ones are protected.
- Birthday month day off: Take a day off during your birthday month to celebrate as you wish.
- Totalpass and Wellhub: To help you stay on track with your fitness goals.
- Course discounts: For your personal and professional development, Conexa offers educational partnerships with various institutions.
- SESC Benefit: Access to sports activities, culture, leisure, courses and more with special conditions for employees and dependents.
- Transportation voucher: 6% salary deduction, if opted in.
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