DBA, Bulk Data Management Engineer

Posted 2hrs ago

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Job Description

DBA engineering Webbing's global telecom connectivity and IoT platform across PostgreSQL, BSS, and network databases. Building resilient data operations, integrations, governance, and disaster recovery.

Responsibilities:

  • Own every database underpinning Webbing's multi-site telecom services platform, including BSS/OSS/NOC modules and PostgreSQL application stores
  • Maintain interfaces to vendor-managed databases in HSS, OCS, PCRF, and SMSC network nodes
  • Ensure mediation pipelines reliably and completely bring network data into required systems
  • Build backup, restoration, and disaster-recovery frameworks for BSS and network-layer PostgreSQL clusters
  • Develop performance optimization strategies covering indexes, query tuning, table partitioning, and vacuum schedules
  • Build bulk data pipelines for imports, exports, migrations, and timed purges of subscriber CDRs and event records
  • Design and enforce data handling, retention, archival, and compliance policies aligned with GDPR, operator SLAs, and internal requirements
  • Create Prometheus and Grafana database monitoring dashboards and alerts
  • Develop installation and upgrade playbooks for PostgreSQL instances
  • Build cross-platform data integration between BSS mediation and network-element databases, including HSS, OCS, PCRF, SMSC, and PGW
  • Advise BSS and Workflow engineering teams on schema and data architecture
  • Establish database access controls, roles, privileges, row-level security, and audit logging
  • Maintain runbooks and a knowledge base for database operations, disaster recovery, and incident response
  • Serve as the senior individual contributor and go-to database expert across the BSS and NOC stack

Requirements:

  • Strong hands-on PostgreSQL administration: installation, configuration, replication (logical/streaming), upgrade, and vacuum tuning
  • Proven backup and restore experience: pg_dump, pg_basebackup, WAL archiving, point-in-time recovery, and DR testing
  • Query performance analysis: EXPLAIN/ANALYZE, index design (B-Tree, partial, composite), and schema-level optimisation
  • Bulk data operations: large COPY/INSERT loads, logical replication for live migrations, and automated purge/archival pipelines
  • Data governance: designing and documenting retention, archival, masking, and access-control policies
  • Scripting in Python or Bash for automation of backup jobs, health-check scripts, and bulk-load utilities
  • Experience with containerized database deployments (Docker / Kubernetes)
  • Monitoring: setting up Prometheus postgres_exporter, building Grafana dashboards for database KPIs
  • High-availability patterns: replication failover, connection pooling (PgBouncer / Pgpool), read-replica routing
  • Ability to work independently across multiple concurrent projects in a distributed, async-first team
  • Multi-datacenter replication and active-passive failover between geographically distributed clusters
  • Strong Advantage: Experience with telecoms BSS/OSS platforms (billing, subscription management, or mediation systems)
  • Strong Advantage: Familiarity with network-element databases: HSS (HLR), OCS, PCRF, SMSC, or PGW data models
  • Strong Advantage: Data compliance experience (GDPR subscriber data, CDR retention regulations in EU jurisdictions)
  • Nice to Have: Exposure to mediation layer data formats (ASN.1, IPDR, Diameter AVPs)
  • Nice to Have: Experience with BI or reporting extracts from operational BSS databases

Benefits:

  • Fully remote
  • Great skill and knowledge development opportunities
  • Professional development opportunities
  • Opportunity to join a team of highly professional specialists in an international environment