Auf einen Blick
- Aufgaben: Führe die Migration von Datenbanken zu Amazon RDS durch und löse technische Herausforderungen.
- Unternehmen: Innovatives Unternehmen im Bereich HR SaaS für den öffentlichen Sektor.
- Vorteile: Flexibles Arbeiten, wettbewerbsfähiges Gehalt und professionelle Entwicklungsmöglichkeiten.
- Weitere Informationen: Engagiertes Team mit aktiven Tech-Communities und regelmäßigen Wissensaustauschen.
- Warum dieser Job: Gestalte die Zukunft der Datenmigration und arbeite mit modernster Technologie.
- Qualifikationen: Mindestens 5 Jahre Erfahrung als DBA und fundierte Kenntnisse in Microsoft SQL Server.
Das prognostizierte Gehalt liegt zwischen 49500 - 60500 € pro Jahr.
Project
HR Saa S for the public sector.
We are looking for a Senior Database Engineer to execute a production database migration from on-premises Microsoft SQL Server to Amazon RDS for a large HR/Learning Saa S platform serving public-sector and government agencies.
You will own the migration mechanism end-to-end: moving multiple active OLTP databases with a near-zero-downtime cutover and a verified rollback path.
This is a hands-on delivery role embedded in a cross-functional team (Backend, Dev Ops, and the client's existing DBA and QA teams).
Beyond the migration itself, you will diagnose and resolve database-layer issues that surface during parallel run and cutover (latency, connection routing, read-only replica behavior).
The platform's longer-term direction includes introducing Postgre SQL alongside SQL Server, so experience with a polyglot estate is a strong plus.
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Key Responsibilities
- Execute the migration of the OLTP database from on-prem SQL Server to Amazon RDS for SQL Server (Multi-AZ) for dependent products.
- Provision and configure RDS instances (Enterprise Edition for AG support), parameter groups, option groups, backups, and Multi-AZ HA across all environments.
- Validate RDS feature compatibility: Change Tracking (required for downstream ETL) and CLR SAFE assemblies; prepare and cost the fallback path
- Diagnose and fix database-layer issues during parallel run and cutover: Transit Gateway / cross-network latency, connection-string and read-only routing, command timeouts, and accidental writes to read replicas.
- Define and rehearse cutover and rollback runbooks (failover/failback timings, RPO/RTO targets, validation steps); support QA parity testing and performance baselining
- Establish monitoring, alerting, and backup/recovery (Cloud Watch, Performance Insights, point-in-time recovery) for the migrated databases.
Tools and skills you will use in this role
- Microsoft SQL Server (T-SQL, Always-On Availability Groups, Change Tracking, CLR)
- Amazon RDS for SQL Server (Multi-AZ), AWS DMS
- AWS (VPC/Transit Gateway, S3, Cloud Watch, Performance Insights, IAM)
- Nice to have: Infrastructure-as-Code (AWS CDK)
- Nice to have: Postgre SQL / Amazon RDS / Aurora Postgre SQL
Requirements
- 5+ years as a DBA / Database Engineer in production environments.
- Deep Microsoft SQL Server administration expertise: Always-On Availability Groups, replication, backup/restore, log shipping, Change Tracking, performance tuning, and T-SQL.
- Proven experience migrating SQL Server workloads to AWS, ideally Amazon RDS for SQL Server, including AG-based and/or DMS-based approaches.
- Strong understanding of HA/DR, RPO/RTO, cutover, and rollback planning for active production systems.
- Hands-on AWS experience: RDS, networking (VPC, Transit Gateway), S3, monitoring, IAM.
- Ability to troubleshoot database connectivity, latency, and routing issues in hybrid (on-prem + cloud) topologies.
- Experience working alongside a client-side DBA team and coordinating phased, multi-environment rollouts.
- English: Upper-Intermediate or higher.
Nice to have
- Postgre SQL administration and SQL Server-to-Postgre SQL migration experience (schema, stored procedures, data-type mapping, dual-write/cutover).
- Familiarity with EF Core / Npgsql and . NET application data layers.
- Experience with AWS DMS for heterogeneous migrations.
- Infrastructure-as-Code with AWS CDK; CI/CD-driven database migrations. xayajpt
- Exposure to regulated/compliance environments (e. g. Fed RAMP).
We offer*
- Flexible working format - remote, office-based or flexible
- A competitive salary and good compensation package
- Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
- Active tech communities with regular knowledge sharing
Senior DataBase Engineer (#5463) Arbeitgeber: N-iX
N-iX ist ein hervorragender Arbeitgeber, der seinen Mitarbeitern die Möglichkeit bietet, in einem dynamischen und innovativen Umfeld zu arbeiten. Mit flexiblen Arbeitsmodellen, einem wettbewerbsfähigen Gehalt und umfangreichen Entwicklungsmöglichkeiten fördert das Unternehmen eine Kultur des Wissensaustauschs und der kontinuierlichen Verbesserung. Die Zusammenarbeit mit Experten im Bereich KI und die Teilnahme an aktiven Tech-Communities machen N-iX zu einem attraktiven Arbeitsplatz für alle, die ihre Karriere im Software Engineering vorantreiben möchten.
