Senior Cloud DB Engineer: MySQL & Performance

Mark43; Boston (MA); On-site; USD 140,000 - 180,000; Full time

Benefits offered by this job

Bonus opportunity

Stock options

Health insurance

Paid time off

401k

Job summary

Mark43 is seeking an experienced Database Administrator to own and scale our production databases in a cloud-centric environment. You will monitor, optimize, and secure our data infrastructure, collaborating with engineers to improve schemas, queries, and overall performance.

The role emphasizes mentoring junior teammates, contributing to infrastructure as code, and advancing a robust backup and DR strategy while supporting a fast-growing public safety software platform.

Qualifications

• 7+ years of professional experience administering MySQL or similar databases in production.
• Experience with cloud environments and Infrastructure as Code (Terraform).
• Experience building AWS RDS and Aurora or Azure Databases is preferred.
• Knowledge of or prior experience with microservices architecture.
• Commitment to providing support for more junior members of the team and developing cooperative working relationships.
• Leaning in to contribute to the company outside your role - engineers have written blog posts, attended events, and helped grow the team.

Responsibilities

• Ensured our databases were properly monitored and alerted, improving our ability to identify and respond to issues before they impacted customers
• Reviewed and optimized MySQL configurations to improve the performance, reliability, and scalability of our production environments
• Identified problematic queries and used execution plans, indexing strategies, and other techniques to improve their performance
• Partnered with engineers to improve database schemas, indexes, and query patterns as new features and services were developed
• Investigated a production database issue, identified the underlying cause, and implemented a longer-term fix to prevent it from recurring
• Automated routine database maintenance and operational work, reducing manual effort and making our systems easier to manage at scale
• Reviewed capacity and performance trends to anticipate future scaling needs and identify opportunities for infrastructure improvements
• Planned and executed database upgrades, migrations, and configuration changes while minimizing risk and customer impact
• Strengthened our backup, recovery, and disaster recovery processes and validated that critical data could be restored when needed
• Improved database documentation and operational runbooks, making it easier for engineers to troubleshoot issues and safely work with our data infrastructure

Skills

MySQL administration

Cloud infrastructure

Terraform

Agile methodologies

Tools

MySQL

AWS RDS

Aurora

Job description

Mark43 is seeking an experienced Database Administrator to own and scale our production databases in a cloud-centric environment. You will monitor, optimize, and secure our data infrastructure, collaborating with engineers to improve schemas, queries, and overall performance.

The role emphasizes mentoring junior teammates, contributing to infrastructure as code, and advancing a robust backup and DR strategy while supporting a fast-growing public safety software platform.