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Senior SQL Database Administrator

Addison Group, Des Plaines, Illinois, us, 60019

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Job Title:

Senior SQL Database Administrator (Hybrid 70% On-Prem & 30% Azure)

Location:

Rosemont, IL

Compensation:

$60-$65 / hour – W2 Candidates only

Benefits:

This position is eligible for medical, dental, vision, and 401(k).

Overview We are seeking a Senior SQL Database Administrator to manage and optimize a hybrid environment spanning on-premises SQL Server and Azure SQL platforms. This role supports enterprise applications, reporting systems, and large-scale clinical/registry datasets. The ideal candidate is hands-on, technically strong, and comfortable working across administration, performance tuning, modernization initiatives, upgrades, and cross-functional collaboration with development, BI, infrastructure, and security teams.

Key Responsibilities

Database Administration & Platform Management

Administer SQL Server environments across DEV, QA, UAT, SUP, and PROD

Support SQL Server versions 2016–2022, Azure SQL Database, Managed Instance, and Analysis Services

Implement and maintain security controls including backups/restores, TDE encryption, certificates, data masking, and access management

Monitor system health (CPU, memory, storage) and troubleshoot outages and job failures

Performance Tuning & Optimization

Diagnose and resolve slow queries, blocking, deadlocks, and timeouts

Utilize Query Store, Extended Events, sp_BlitzFirst, sp_WhoIsActive, and execution plans

Optimize indexing strategies, stored procedures, and workload scheduling

Partner with developers to improve query performance and deployment quality

Deployment & Release Support

Support after-hours/midnight releases and production change execution

Execute and validate deployment scripts and DACPAC releases

Ensure schema consistency across environments

Reduce technical debt by decommissioning unused databases and optimizing Azure costs

Data Integration, ETL & Reporting

Maintain and troubleshoot SSIS packages, staging tables, incremental loads, and linked servers

Support SSRS configurations, data gateways, CRM data sources, and report publishing

Collaborate with BI teams on data flow stability and reporting performance

Data Governance, Security & Compliance

Validate PHI/PII masking in non-production environments

Maintain compliance with internal governance and security policies

Partner with data management and BI teams to safeguard sensitive data

Contribute to governance documentation and annual planning initiatives

Upgrades, Patching & Infrastructure

Apply cumulative updates using documented runbooks

Lead SQL version upgrades, migrations, refreshes, and consolidations

Collaborate with infrastructure teams on capacity planning and resource expansion

Troubleshooting & Incident Response

Investigate outages, recovery issues, blocked jobs, and optimization failures

Diagnose SQL service, storage, network, and concurrency issues

Provide root cause analysis and document remediation actions

Cross-Team Collaboration

Partner with DevOps, BI, Infrastructure, Security, and application teams

Support users across enterprise platforms and custom applications

Participate in workshops and present environment health updates

Documentation & Automation

Maintain inventories of SQL Servers, Azure SQL DBs, ADF factories, VMs, and metadata

Develop automation for monitoring, alerts, and ticket creation (Jira/ADO)

Document deployment steps, upgrades, tuning actions, and change logs

Required Skills & Experience Databases

SQL Server 2008–2022

Azure SQL Database & Managed Instance

Analysis Services

Performance & Monitoring

Query Store

Extended Events

sp_BlitzFirst

sp_WhoIsActive

Plan Explorer

ETL & Reporting

SSIS

SSRS

Azure Data Factory (ADF)

Microsoft Integration Runtime

Scripting & Automation

T-SQL

PowerShell

Security & Governance

Transparent Data Encryption (TDE)

Data masking

Certificates and key management

Operations & Processes

SQL Agent job management

Index maintenance (IndexOptimize)

Capacity planning and resource monitoring

Jira/ADO, CAB/change processes, incident response

Nice to Have

Experience supporting clinical, registry, or large-scale regulated datasets

Azure cost optimization experience

Modernization or cloud migration projects

Strong documentation and automation mindset

Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Addison Group complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. Reasonable accommodation is available for qualified individuals with disabilities, upon request.

IND 005-010

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