Senior DevOps
2 weeks ago
We are looking for an experienced DevOps + SQL Server Database Administrator who specializes in SQL Server High Availability (Always On Availability Groups), Windows Server Failover Clustering, and Cloud infrastructure.
Your primary responsibility will be to design and implement a zero-downtime SQL Server environment where the application can continue running automatically if any server goes down.
Job Title: Senior DevOps & SQL Server DBA (Always On / Failover Cluster Expert)
(Windows Server + .NET Infrastructure)
Job Summary
We are looking for an experienced DevOps + SQL Server Database Administrator who specializes in SQL Server High Availability (Always On Availability Groups), Windows Server Failover Clustering, and Cloud infrastructure.
Your primary responsibility will be to design and implement a zero-downtime SQL Server environment where the application can continue running automatically if any server goes down.
Responsibilities
SQL Server & High Availability
Set up SQL Server 2019/2022 on multiple Windows Servers
Configure Always On Availability Groups (AG)
Configure Windows Server Failover Cluster (WSFC)
Create and configure an AG Listener for .NET applications
Ensure automatic failover, synchronous replication, and zero downtime
Optimize SQL Server for performance and reliability
Set up database mirroring, backups, maintenance, and monitoring
Windows Server & Networking
Configure Active Directory Domain Services
Join servers to domain
Set up File Share Witness
Configure private network
Set firewall rules for secure communication
Cloud & Infrastructure
Deploy and configure servers (cloud or dedicated)
Implement HA best practices: redundancy, monitoring, fault tolerance
Document full architecture and setup steps
Application Integration
Create connection strings using AG Listener for .NET applications
Ensure seamless failover for production workloads
Work with the development team to validate integration
Documentation & Knowledge Transfer
Provide full written documentation
Provide after-setup support if required
Train team on monitoring and managing the cluster
Required Skills
Technical Expertise
Strong experience with Microsoft SQL Server 2016+
Deep knowledge of Always On AGs, WSFC, mirroring, replication
Strong Windows Server admin skills (2019/2022)
Active Directory & DNS configuration
PowerShell scripting for automation
Experience with cloud providers (Hetzner, AWS, Azure, GCP, OVH, etc.)
Networking: subnets, DNS, firewalls, load balancing
Experience Required
4–7+ years with SQL Server Administration
3+ years with Always On Availability Groups
Proven track record of setting up HA production environments
Experience handling DR/Backup solutions
Job Type: Full-time
Work Location: In person
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