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LWSA

Integrando soluções & Impulsionando negócios

Infrastructure Specialist, MySQL

Infrastructure EngineerInfrastructure EngineerFull TimeRemoteSeniorTeam 1,001-5,000Since 1998H1B No SponsorCompany SiteLinkedIn

Location

Brazil

Posted

33 days ago

Salary

0

Seniority

Senior

Job Description

Infrastructure Specialist, MySQL

LWSA

• Design and evolve distributed, resilient, and scalable database architectures on AWS, focusing on high availability and disaster recovery (DR). • Administer and perform deep tuning of MySQL/MariaDB engines and TiDB clusters, ensuring performance in high-concurrency scenarios. • Lead architectural design reviews with Product and Engineering teams, ensuring data design supports business growth. • Build robust automation using Python, Go, or Bash for provisioning, maintenance, and self-healing of infrastructure (IaC). • Implement and maintain an advanced observability strategy that goes beyond basic monitoring to include distributed tracing and structured logs for rapid anomaly detection. • Mentor analysts and engineers, raising the team's technical bar in modern database and cloud practices. • Ensure data security by design, implementing hardening, encryption (in transit and at rest), access management (IAM with least-privilege principle) and compliance with network policies. • Lead critical incident responses (War Rooms), conducting post-mortems focused on preventing recurrence.

Job Requirements

  • Strong expertise in MySQL/MariaDB: Deep knowledge of internal architecture (InnoDB), replication (GTID, Galera, Async/Semi-sync), partitioning, manual sharding, and troubleshooting complex performance issues.
  • Experience with CDC (Change Data Capture) tools or migrating monoliths to distributed architectures.
  • Ability to diagnose issues beyond CPU/RAM metrics, by interpreting wait events, slow query logs, and distributed tracing.
  • Hands-on experience with EC2 (instance families, EBS IOPS, Nitro), VPC (Peering, Transit Gateway, PrivateLink), S3 and advanced IAM in both managed and self-managed environments.
  • Solid knowledge of database hardening, encryption (KMS, TLS/SSL), secret management (Secrets Manager/Vault), and compliance (Security Hub).
  • Fluency in Bash and at least one robust scripting language (Python or Go) to create automations, internal CLIs and maintenance scripts.
  • Proven experience in cloud cost management (rightsizing, using Spot/Graviton instances and tagging strategies for cost allocation).
  • Experience with TiDB (or similar NewSQL) is a plus.
  • Knowledge of Infrastructure as Code (IaC), with experience in Terraform or similar for provisioning databases.
  • Experience operating databases inside Kubernetes is a big plus.
  • Development background: Ability to read and debug application code (PHP, Node.js or Go) to help developers refactor inefficient queries at the source.
  • Experience defining SLIs/SLOs/SLAs, Error Budgets and using modern monitoring tools (Prometheus, Grafana).

Benefits

  • Health insurance;
  • Dental insurance;
  • Meal allowance or grocery allowance;
  • Childcare assistance;
  • Profit-sharing program (PPR);
  • Day off during your birthday month;
  • Life insurance;
  • Wellhub;
  • Férias&Co (travel benefit);
  • Zenklub (psychotherapy/nutritional counseling);
  • 6-month maternity leave and 20-day paternity leave;
  • Flexible working hours;
  • Education assistance and language course assistance;

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