This curriculum spans the technical and operational rigor of a multi-workshop program with the depth of an internal capability build for enterprise data platform teams, covering infrastructure, pipeline reliability, compliance, and production ML operations at scale.
Module 1: Architecting Scalable Data Infrastructure
- Selecting between on-premise Hadoop clusters and cloud-based data lakes based on data gravity, compliance needs, and long-term TCO.
- Designing zone separation in distributed storage (e.g., hot, cold, archive tiers) to balance access latency and cost.
- Implementing multi-region replication strategies for disaster recovery while managing cross-geo bandwidth costs.
- Choosing file formats (Parquet, ORC, Avro) based on query patterns, compression efficiency, and schema evolution requirements.
- Configuring HDFS block size and replication factor to optimize for large sequential reads versus small file overhead.
- Integrating object storage gateways with legacy applications requiring POSIX-compliant interfaces.
- Planning for metadata scalability by selecting external metastores (e.g., AWS Glue, Hive Metastore on RDS).
- Evaluating containerization of data processing engines (Spark, Flink) using Kubernetes for resource isolation and portability.
Module 2: Data Pipeline Orchestration and Reliability
- Defining SLA policies in Apache Airflow DAGs with retry strategies, timeout thresholds, and alert escalation paths.
- Partitioning batch workflows by time, geography, or tenant to enable partial reprocessing and fault isolation.
- Implementing idempotent data ingestion steps to prevent duplication during pipeline retries.
- Managing pipeline dependencies across teams using versioned data contracts and schema registry integration.
- Securing pipeline credentials using vault-integrated secrets backends instead of environment variables.
- Designing backpressure handling in streaming pipelines to prevent consumer lag under load spikes.
- Validating data completeness at pipeline boundaries using row count, hash checksums, or watermark alignment.
- Migrating legacy cron-based ETL jobs to orchestrated workflows with dependency tracking and audit trails.
Module 3: Real-Time Data Processing Systems
- Tuning Kafka consumer group configurations (fetch size, session timeout) for low-latency processing without rebalance storms.
- Choosing between Kafka Streams and ksqlDB based on stateful processing complexity and operational overhead.
- Managing state stores in Flink applications with checkpoint intervals and incremental snapshots.
- Partitioning Kafka topics to align with parallelism settings in downstream consumers for optimal throughput.
- Implementing event-time processing with watermarks to handle late-arriving data in time-windowed aggregations.
- Configuring retention policies for Kafka topics based on downstream SLA and storage cost constraints.
- Monitoring end-to-end latency in streaming pipelines using embedded metrics and synthetic probes.
- Isolating high-priority streams using Kafka multi-cluster or tenant-dedicated clusters to prevent resource starvation.
Module 4: Data Governance and Compliance
- Implementing column-level masking policies in query engines (e.g., Presto, Spark SQL) for PII fields.
- Enforcing data retention schedules through automated tagging and lifecycle policies in object storage.
- Integrating data lineage tools (e.g., DataHub, Atlas) with orchestration systems to track ETL provenance.
- Classifying datasets using automated scanners and regex patterns to flag regulated content (e.g., PCI, HIPAA).
- Managing access control via attribute-based policies synchronized with enterprise IAM systems.
- Auditing data access patterns using query logs and exporting to SIEM tools for anomaly detection.
- Handling data subject access requests (DSARs) with traceable workflows for locate, mask, or delete operations.
- Documenting data ownership and stewardship roles in a centralized catalog for regulatory audits.
Module 5: Performance Monitoring and Observability
- Instrumenting Spark applications with custom metrics (e.g., shuffle spill, task duration) for granular performance analysis.
- Correlating infrastructure metrics (CPU, disk I/O) with query execution plans to identify resource bottlenecks.
- Setting dynamic alert thresholds using statistical baselines instead of static values to reduce noise.
- Implementing distributed tracing across microservices and data pipelines using OpenTelemetry.
- Configuring log sampling strategies to reduce volume while preserving debuggability for rare failures.
- Building dashboard templates for SLA compliance tracking across data freshness, availability, and latency.
- Using synthetic transactions to validate pipeline health when real data flow is intermittent.
- Integrating observability data with incident management systems for automated ticket creation.
Module 6: Capacity Planning and Cost Optimization
- Right-sizing cluster node types based on memory-to-core ratios required by workloads (e.g., shuffle-heavy Spark jobs).
- Implementing auto-scaling policies for EMR or Dataproc clusters using predictive and reactive triggers.
- Negotiating reserved instance commitments for stable workloads versus spot instances for fault-tolerant batch jobs.
- Identifying underutilized data assets for archival or decommissioning using access frequency reports.
- Enforcing cost allocation tags across cloud resources to enable chargeback reporting by team or project.
- Optimizing query performance through partition pruning and clustering to reduce scanned data volume.
- Managing cross-AZ data transfer costs by co-locating compute and storage in the same region.
- Conducting quarterly cost reviews with data owners to align spending with business value.
Module 7: Security and Access Control in Distributed Systems
- Enabling Kerberos authentication for on-premise Hadoop clusters with centralized key distribution.
- Implementing TLS encryption for data in transit between nodes, clients, and external services.
- Using Ranger or Sentry policies to enforce row- and column-level access in SQL-on-Hadoop engines.
- Rotating long-lived service account keys using automated credential rotation pipelines.
- Hardening cluster nodes with OS-level security baselines and intrusion detection agents.
- Isolating sensitive workloads using dedicated virtual networks and firewall rules.
- Validating encryption at rest for managed services (e.g., S3 SSE-KMS, Cloud Storage CMEK).
- Conducting quarterly access reviews to remove stale permissions for departed personnel.
Module 8: Disaster Recovery and Business Continuity
- Defining RPO and RTO for critical data pipelines and aligning replication and backup strategies accordingly.
- Automating failover testing for data clusters using chaos engineering principles (e.g., node termination).
- Storing immutable backups in write-once-read-many (WORM) storage to prevent ransomware corruption.
- Replicating metastore databases across regions using log shipping or managed HA configurations.
- Documenting manual intervention steps for recovery scenarios where automation fails.
- Validating backup integrity through periodic restore drills on isolated environments.
- Coordinating cross-team recovery runbooks with dependencies on upstream data providers.
- Monitoring replication lag in geo-distributed databases to detect silent failures.
Module 9: Operationalizing Machine Learning Workflows
- Versioning training datasets and model artifacts using dedicated repositories (e.g., DVC, MLflow).
- Scheduling retraining pipelines based on data drift detection thresholds from statistical monitors.
- Managing GPU resource allocation for training jobs in shared Kubernetes clusters.
- Implementing shadow mode deployment to compare model outputs before full cutover.
- Enforcing model validation gates (accuracy, bias checks) before promotion to production.
- Monitoring inference latency and error rates in real-time serving endpoints.
- Securing model APIs with authentication and rate limiting to prevent abuse.
- Tracking model lineage from training data to deployment for audit and reproducibility.