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SQL Server Architect - SC Cleared
Job in
Greater London, London, Greater London, W1B, England, UK
Listed on 2026-02-28
Listing for:
Whitehall Resources
Contract
position Listed on 2026-02-28
Job specializations:
-
IT/Tech
Systems Engineer, Cloud Computing
Job Description & How to Apply Below
Whitehall Resources are currently looking for a SQL Server Architect - SC Cleared based in London for an initial 1 month contract.
*** INSIDE IR35 ***
*** MUST HOLD ACTIVE SC CLEARANCE *** Job Spec:
You will be responsible for working with the Infrastructure Architect to define PoV success criteria (RPO/RTO, failover time, throughput, recovery steps).
Stand up PoV topology:- SQL Server Always On Availability Groups on Amazon EC2 across multiple AZs.
- Storage using EBS (io1/io2 / gp3) and, where required, FSx for Windows File Server for cluster dependencies.
- Integrate Cloud Watch, AWS Backup, Systems Manager, and automation as appropriate (Cloud Formation/Terraform/Power Shell).
- Confirm and test SharePoint compatibility (content/search/service DBs).
- Produce pattern catalogue and TCO/performance findings and assessment of complexity to introduce and in terms of operability and maintainability for each of the chosen patterns (Always On availability groups, Always On failover cluster instances (FCI), SIOS Data Keeper, AWS Elastic Disaster Recovery, and AWS Database Migration Service (AWS DMS)).
- Architect HA/DR for SQL Server in AWS to support a mission critical SharePoint farm.
- Evaluate native AWS options (EC2, EBS, FSx, Route 53, Cloud Watch, Backup, Systems Manager, Cloud Formation).
- PoV Plan & Success Metrics
- Testing of DR options with SharePoint team.
- Performance Baseline & Findings Report (throughput/latency, failover timings)
- PoV Recommendation & Next Step Design Decisions
- Design and validate Always On patterns, listener routing, quorum/witness.
- Collaborate with the Infrastructure Architect to ensure network/IAM/security fit.
- Produce documentation, runbooks, and handover materials for operations.
- 10+ years with Microsoft SQL Server (2016+) architecture and operations.
- Proven delivery of Always On Availability Groups, FCI, log shipping/replication.
- Strong performance engineering (indexing, I/O, concurrency, wait stats, storage optimisation).
- Deep understanding of networking for Always On, listener design, DNS failover.
- Excellent documentation and stakeholder communication.
- Handson AWS deployment for SQL workloads (EC2, EBS, FSx, Route 53, Cloud Watch, Backup, SSM)
- Automation tooling (Cloud Formation/Terraform, Power Shell DSC).
- Experience with regulated environments and security hardening.
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