Senior SQL Database Administrator

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.

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