Senior Municipal Engineer leading municipal drinking water and wastewater projects. Guiding technical teams and managing client relationships at WaterSMART Solutions in Calgary, Alberta.
About the role
- MongoDB Engineer designing and implementing advanced database standards for financial client. Contract role with potential extension, focusing on scalable, secure MongoDB environments.
Responsibilities
- Design replica set and sharded cluster topologies based on workload requirements such as read/write patterns, data growth, latency, and multi-AZ/region deployments. Develop schema and index strategies aligned with document modeling best practices. Perform capacity planning and conduct performance tuning on IOPS, CPU, RAM, and storage systems. Create backup and restore strategies to ensure data integrity and availability. Implement security hardening measures including RBAC, TLS, encryption-at-rest, auditing, IP allowlists, and compliance with CIS benchmarks. Integrate observability tools such as metrics, logs, and tracing for monitoring MongoDB environments. Manage release cycles including rolling upgrades, feature compatibility versions, and patching schedules. Automate database provisioning, patching, and configuration using Ansible (IaC), ensuring idempotency and drift remediation. Collaborate with application teams for data modeling reviews and optimize performance tuning strategies. Define standards, develop runbooks, conduct readiness and disaster recovery testing, ensuring compliance with frameworks like SOC2, ISO27001, PCI, and HIPAA.
Requirements
- 5+ years of experience administering MongoDB in a production environment at scale, including replica sets and sharded clusters. 3+ years of expertise with Ansible, including roles, collections, CI/CD integration, and testing with Molecule. Strong Linux foundation (RHEL/Ubuntu), networking knowledge, and understanding of storage and TLS/PKI fundamentals. Proficiency in scripting languages such as Bash and Python for automation and operational tooling.
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