Senior Database Administrator

October 25, 2026

Job Description

Company: Mark43
Location: Remote (US, Canada, UK)
Workplace Type: Remote
Employment Type: Full-time
Pay / Compensation: $140,000 – $180,000 / year + bonus, stock options, full benefits

About the Role

Mark43’s mission is to empower communities and their governments with new technologies that improve the safety and quality of life for all. Mark43 builds scalable, cloud-based public safety software relied upon by first responders.

We are seeking an experienced and innovative Senior Database Administrator who has managed databases at scale. As a senior member of the Mark43 team, you will take ownership of our database infrastructure, ensure the stability, performance, and monitoring of production databases, and serve as a trusted knowledge resource for engineering teams writing performant queries.

What You’ll Do / Key Responsibilities

  • Database Monitoring & Reliability: Ensure production databases are properly monitored and alerted, proactively identifying and resolving issues before customer impact.
  • Engine Tuning & Configuration: Review and optimize MySQL configurations to enhance performance, reliability, and scalability across production environments.
  • Query Optimization & Schema Design: Identify problematic queries using execution plans and indexing strategies, partnering with software engineers to refine database schemas and query patterns.
  • Automation & Operations: Automate routine database maintenance and operational tasks using Infrastructure as Code (Terraform) to streamline management at scale.
  • Capacity Planning & Upgrades: Plan and execute database upgrades, migrations, and configuration changes while monitoring capacity and performance trends to anticipate growth.
  • Disaster Recovery & Documentation: Strengthen backup, recovery, and disaster recovery (DR) processes, validating recovery points and updating operational runbooks.

Requirements & Qualifications

  • 7+ years of professional experience administering MySQL or similar relational databases in production.
  • Cloud Infrastructure: Solid experience administering cloud-hosted databases on AWS (e.g., AWS RDS, Amazon Aurora) or Azure Databases.
  • Infrastructure as Code: Proficiency with Terraform and cloud infrastructure automation.
  • Database Operations: Deep technical understanding of database internals, query optimization, backup/restore procedures, and automated testing.
  • Architecture: Knowledge or experience with microservices architecture and agile methodologies.
  • Work Authorization: Authorized to work in the country of application (US, Canada, or UK); sponsorship is not available.

Benefits & Perks

  • Competitive Salary: $140,000 – $180,000 target base annual salary range.
  • Equity: Annual bonus opportunity and company stock options.
  • Healthcare: Comprehensive health insurance package.
  • Retirement: 401(k) plan.
  • Time Off: Paid time off (PTO) and company holidays.

Mark43 is committed to the full inclusion of all qualified individuals and is an Equal Opportunity Employer.