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Senior Sql Developer Jobs in Hanover, MD (NOW HIRING)

IntelliDyne

SQL and Python Developer

Washington, DC · On-site

$90K - $125K/yr

... in senior level position supporting open systems Oracle environments * Minimum 5 years SQL and PL ... The developer should be comfortable working with cross-functional teams and adapting to evolving ...

IntelliDyne

SQL and Python Developer

Washington, DC · On-site

$90K - $125K/yr

... in senior level position supporting open systems Oracle environments * Minimum 5 years SQL and PL ... The developer should be comfortable working with cross-functional teams and adapting to evolving ...

Maximus

Senior SQL Server Database Administrator

Bethesda, MD · On-site

$53.25 - $73.25/hr

General information Job Posting Title Senior SQL Server Database Administrator Date Monday, August ... service teams using a DevOps mindset and principles. - Identify cost saving opportunities ...

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How much do senior sql developer jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for senior sql developer in Hanover, MD is $57.59, according to ZipRecruiter salary data. Most workers in this role earn between $48.08 and $65.53 per hour, depending on experience, location, and employer.

What is a senior SQL developer?

A Senior SQL Developer is responsible for designing, developing, and optimizing database solutions to support applications and business processes. They write complex SQL queries, create stored procedures, and ensure database performance and security. Additionally, they collaborate with developers, analysts, and business teams to translate requirements into efficient database solutions. Experience with database management systems like SQL Server, MySQL, or PostgreSQL is essential. They may also be involved in data modeling, ETL processes, and automation tasks to improve data handling efficiency.

What does a senior SQL developer do?

As a Senior SQL Developer, you can expect to work on tasks such as designing and optimizing complex database structures, writing advanced queries and stored procedures, and ensuring data integrity across systems. You will often collaborate closely with software developers, business analysts, and data architects to translate business requirements into practical database solutions. Daily responsibilities might also include troubleshooting performance issues, managing data migrations, and supporting application development teams with their database needs. This role typically involves a mix of independent work and teamwork, providing both variety and opportunities for learning new technologies.

What are the key skills and qualifications needed to thrive as a senior SQL developer?

To excel as a Senior SQL Developer, you need advanced proficiency in SQL programming, database design, and data modeling, typically supported by a relevant degree and several years of experience. Familiarity with major database management systems like Microsoft SQL Server, Oracle, or MySQL, as well as certifications such as Microsoft Certified: Azure Database Administrator Associate, is highly valuable. Strong problem-solving skills, collaboration, and effective communication are crucial soft skills for this position. These competencies enable you to build robust, efficient database systems while working seamlessly within cross-functional teams to support organizational objectives.

What are the most commonly searched types of Sql Developer jobs in Hanover, MD?

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Senior Sql Developer jobs near you
Infographic showing various Senior Sql Developer job openings in Hanover, MD as of August 2026, with employment types broken down into 1% Internship, 86% Full Time, 5% Part Time, and 8% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $119,790 per year, or $57.6 per hour.

Senior SQL Database Platform Engineer

System One Holdings, LLC

Washington, DC • On-site

$120K - $163K/yr

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 27 days ago

Job description

Senior SQL Database Platform Engineer
Washington DC 20006 - 100% ONSITE
Per Federal contract U.S. Citizenship Required
Must be able to pass enhanced background screen (criminal, financial, drug) for Public Trust clearance
W-2 or C2C
Application Deadline: 8/19/2026
Position Requirements:
Provide a senior engineer to deliver database server administration for the Board's on-premises SQL Server and PostgreSQL environments as automated, FISMA-compliant code - supporting the PostgreSQL ATO, cloud-readiness, and platform modernization.
Tasks:
• Design and implement CI/CD pipelines in GitLab for database server and instance builds, version upgrades, patching, cumulative updates, and configuration changes across SQL Server and PostgreSQL server enterprise service offerings.
• Develop and maintain Infrastructure as Code (Powershell, Ansible playbooks/roles executed via AAP; IaC modules) to provision, configure, and enforce desired state for on-premises database servers.
• Develop PowerShell scripts and T-SQL stored procedures to automate routine tasks
• Automate routine maintenance - backups, health checks, patch cycles, drift remediation.
• Embed security and compliance in the pipeline: vulnerability scanning, hardening, and FISMA control evidence supporting the PostgreSQL ATO.
• Documentation, runbooks, and knowledge transfer.
• Database Administration & Operations:
o Install, configure, upgrade, and maintain SQL Server instances (2019/2022/2025) across development, test, and production environments
o Manage database backups, restores, and disaster recovery procedures
o Monitor database performance, capacity, and availability using native tools and third-party monitoring solutions
o Perform routine maintenance: index optimization, statistics updates, integrity checks (DBCC CHECKDB)
o Manage database security: user accounts, roles, permissions, encryption (TDE/Always Encrypted)
o Strong experience with Performance Tuning and Optimization.
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
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About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US

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