Sr Database Administrator

Harris Computer; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

Harris Computer is seeking an experienced SQL Server Database Administrator to own the health, performance, and security of mission-critical SQL Server environments. This role emphasizes AG/HADR design, 24x7 on-call support, and ongoing automation across on-premises and Azure.

The ideal candidate has 5+ years of DBA experience, deep SQL Server internals knowledge, and strong collaboration with cloud, development, and operations teams.

Qualifications

• 5+ years of experience as a SQL Server DBA.
• Strong expertise in SQL Server architecture, internals, and troubleshooting.
• Hands-on with Always On Availability Groups (AG) and HADR configurations.
• Experience in Azure IaaS/PaaS (Azure SQL, Managed Instance).
• Strong performance tuning, query optimization, and indexing.
• Automation experience using PowerShell and T-SQL.

Responsibilities

• Administer SQL Server databases on-prem and Azure.
• Design, implement, and manage AG and other HADR solutions for high availability.
• Lead 24x7 on-call support and RCA ownership.
• Perform advanced performance tuning at query, index, and server levels.
• Collaborate with development, infrastructure, and cloud teams to design scalable DB solutions.
• Drive automation with PowerShell/T-SQL to improve operations.
• Define and enforce database security standards and audits.
• Plan backups, restore strategies, and DR drills.
• Plan upgrades, migrations, and patching with minimal downtime.
• Mentor junior DBAs and maintain documentation.

Skills

SQL Server

Performance tuning

Always On AG

Azure SQL/Managed Instance

PowerShell / T-SQL

Monitoring tools

Security & encryption

24x7 support

Mentoring

Documentation

Tools

SentryOne

LogicMonitor

AppDynamics

Job description

Summary:

We are seeking an experienced and highly skilled SQL Server Database Administrator with 5+ years of experience to join our 24x7 operations team. In this role, you will take ownership of the health, performance, security, and availability of mission-critical SQL Server environments. You will play a key role in designing, implementing, and managing high availability and disaster recovery solutions, with a strong focus on Always On Availability Groups (AG). Additionally, you will act as a technical mentor and drive continuous improvements across database platforms.

Responsibilities:

• Administer, manage, and optimize SQL Server databases across on-premises and Azure environments.

• Design, implement, and manage Always On Availability Groups (AG)and other HADR solutions for enterprise-scale systems.

• Lead troubleshooting of complex database performance issues, outages, and critical incidents with RCA ownership.

• Participate in and lead 24x7 on-call support , ensuring SLA adherence and incident resolution.

• Perform advanced performance tuning at query, index, and server levels.

• Collaborate with development, infrastructure, and cloud teams to design scalable and resilient database solutions.

• Drive automation initiatives using scripts (PowerShell/T-SQL) to improve operational efficiency.

• Define and enforce database security standards , including encryption, access control, and auditing.

• Manage backup, restore, and disaster recovery strategies, including DR drills and validation.

• Plan and execute SQL Server upgrades, migrations, and patching with minimal downtime.

• Perform capacity planning , forecasting, and cost optimization (especially in Azure environments).

• Create and maintain detailed technical documentation, SOPs, and knowledge base articles.

• Mentor junior DBAs and provide technical guidance to the team.

• Work with monitoring tools to proactively identify and resolve issues before business impact.

Qualifications:

• 5+ years of experience as a SQL Server Database Administrator.

• Strong expertise in SQL Server architecture, internals, and troubleshooting.

• Hands-on experience with Always On Availability Groups (AG)and HADR configurations.

• Experience working in Azure (IaaS/PaaS – Azure SQL, Managed Instance)environments.

• Strong experience in performance tuning , query optimization, and indexing strategies.

• Experience with automation (PowerShell, T-SQL scripting).

• Hands-on experience with monitoring tools such as SentryOne, LogicMonitor, AppDynamics , or similar.

• Good understanding of database security, compliance, and best practices.

• Experience handling production-critical environments with 24x7 support model.

• Strong analytical, troubleshooting, and problem-solving skills.

• Excellent communication skills with ability to interact with cross-functional teams.

Preferred / Good to Have:

• Azure certifications (AZ-900, AZ-104, DP-300).

• Experience with cloud migrations and modernization projects.

• Exposure to DevOps practices (CI/CD for database deployments).

• Knowledge of other database platforms (PostgreSQL, MySQL) is a plus.